luaotfload (23dec15)

git-svn-id: svn://tug.org/texlive/trunk@39184 c570f23f-e606-0410-a88d-b1316a301751

21 files changed, 4826 insertions, 724 deletions

diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-2015-12-12.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-2015-12-22.lua
index 0eaf442ef32..6e8879eab12 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-2015-12-12.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-2015-12-22.lua
@@ -1,6 +1,6 @@
 --[[info-----------------------------------------------------------------------
   Luaotfload fontloader package
-  build 2015-12-12 20:06:58 by phg@phlegethon
+  build 2015-12-22 23:59:34 by phg@phlegethon
 -------------------------------------------------------------------------------
 
   © 2015 PRAGMA ADE / ConTeXt Development Team
@@ -34,9 +34,9 @@
     · fontloader-font-oti.lua
     · fontloader-font-otf.lua
     · fontloader-font-otb.lua
-    · fontloader-fonts-inj.lua
+    · fontloader-font-inj.lua
     · fontloader-fonts-ota.lua
-    · fontloader-fonts-otn.lua
+    · fontloader-font-otn.lua
     · fontloader-font-otp.lua
     · fontloader-fonts-lua.lua
     · fontloader-font-def.lua
@@ -47,7 +47,7 @@
 --info]]-----------------------------------------------------------------------
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “data-con” 675f5a0af45ffb3e0d2e2ab5d6c2e47b] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “data-con” 675f5a0af45ffb3e0d2e2ab5d6c2e47b] ---
 
 if not modules then modules={} end modules ['data-con']={
   version=1.100,
@@ -159,10 +159,10 @@ function containers.cleanname(name)
   return (gsub(lower(name),"[^%w\128-\255]+","-")) 
 end
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “data-con”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “data-con”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “basics-nod” d060e22b2afed6e7624f879b0e1a7d71] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “basics-nod” af682899d202229c0c1b859a07384b8c] ---
 
 if not modules then modules={} end modules ['luatex-fonts-nod']={
   version=1.001,
@@ -200,15 +200,21 @@ end
 nodes={}
 nodes.pool={}
 nodes.handlers={}
-local nodecodes={} for k,v in next,node.types  () do nodecodes[string.gsub(v,"_","")]=k end
-local whatcodes={} for k,v in next,node.whatsits() do whatcodes[string.gsub(v,"_","")]=k end
-local glyphcodes={ [0]="character","glyph","ligature","ghost","left","right" }
-local disccodes={ [0]="discretionary","explicit","automatic","regular","first","second" }
-for i=0,#glyphcodes do glyphcodes[glyphcodes[i]]=i end
-for i=0,#disccodes do disccodes [disccodes [i]]=i end
+local nodecodes={}
+local glyphcodes=node.subtypes("glyph")
+local disccodes=node.subtypes("disc")
+for k,v in next,node.types() do
+  v=string.gsub(v,"_","")
+  nodecodes[k]=v
+  nodecodes[v]=k
+end
+for i=0,#glyphcodes do
+  glyphcodes[glyphcodes[i]]=i
+end
+for i=0,#disccodes do
+  disccodes[disccodes[i]]=i
+end
 nodes.nodecodes=nodecodes
-nodes.whatcodes=whatcodes
-nodes.whatsitcodes=whatcodes
 nodes.glyphcodes=glyphcodes
 nodes.disccodes=disccodes
 local free_node=node.free
@@ -272,7 +278,6 @@ nodes.traverse_id=node.traverse_id
 nodes.slide=node.slide
 nodes.vpack=node.vpack
 nodes.first_glyph=node.first_glyph
-nodes.first_character=node.first_character
 nodes.has_glyph=node.has_glyph or node.first_glyph
 nodes.current_attr=node.current_attr
 nodes.do_ligature_n=node.do_ligature_n
@@ -301,13 +306,27 @@ local setfield=direct.setfield
 nuts.getfield=getfield
 nuts.setfield=setfield
 nuts.getnext=direct.getnext
+nuts.setnext=direct.setnext
 nuts.getprev=direct.getprev
+nuts.setprev=direct.setprev
+nuts.getboth=direct.getboth
+nuts.setboth=direct.setboth
 nuts.getid=direct.getid
-nuts.getattr=getfield
+nuts.getattr=direct.get_attribute or direct.has_attribute or getfield
 nuts.setattr=setfield
 nuts.getfont=direct.getfont
+nuts.setfont=direct.setfont
 nuts.getsubtype=direct.getsubtype
+nuts.setsubtype=direct.setsubtype or function(n,s) setfield(n,"subtype",s) end
 nuts.getchar=direct.getchar
+nuts.setchar=direct.setchar
+nuts.getdisc=direct.getdisc
+nuts.setdisc=direct.setdisc
+nuts.setlink=direct.setlink
+nuts.getlist=direct.getlist
+nuts.setlist=direct.setlist  or function(n,l) setfield(n,"list",l) end
+nuts.getleader=direct.getleader
+nuts.setleader=direct.setleader or function(n,l) setfield(n,"leader",l) end
 nuts.insert_before=direct.insert_before
 nuts.insert_after=direct.insert_after
 nuts.delete=direct.delete
@@ -321,6 +340,9 @@ nuts.is_node=direct.is_node
 nuts.end_of_math=direct.end_of_math
 nuts.traverse=direct.traverse
 nuts.traverse_id=direct.traverse_id
+nuts.traverse_char=direct.traverse_char
+nuts.ligaturing=direct.ligaturing
+nuts.kerning=direct.kerning
 nuts.getprop=nuts.getattr
 nuts.setprop=nuts.setattr
 local new_nut=direct.new
@@ -354,10 +376,10 @@ end
 nodes.setprop=nodes.setproperty
 nodes.getprop=nodes.getproperty
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “basics-nod”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “basics-nod”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “font-ini” 179f0a75cda26696c1b1cd6d7fe0d8ae] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “font-ini” 179f0a75cda26696c1b1cd6d7fe0d8ae] ---
 
 if not modules then modules={} end modules ['font-ini']={
   version=1.001,
@@ -381,10 +403,10 @@ fonts.definers={ methods={} }
 fonts.loggers={ register=function() end }
 fontloader.totable=fontloader.to_table 
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “font-ini”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “font-ini”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “font-con” 5ae91fc3b5bb8d22b2fba27258d49971] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “font-con” 99aacd19adce25fa35a9a30d43e8ac79] ---
 
 if not modules then modules={} end modules ['font-con']={
   version=1.001,
@@ -1536,10 +1558,10 @@ function constructors.addcoreunicodes(unicodes)
   return unicodes
 end
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “font-con”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “font-con”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-enc” b224fe179312d924ffaf8334cf5ef15b] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-enc” b224fe179312d924ffaf8334cf5ef15b] ---
 
 if not modules then modules={} end modules ['luatex-font-enc']={
   version=1.001,
@@ -1567,10 +1589,10 @@ setmetatable(fonts.encodings.agl,{ __index=function(t,k)
   end
 end })
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-enc”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-enc”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “font-cid” 52421d1fdaa07ec4b1d936c6ff5079be] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “font-cid” 52421d1fdaa07ec4b1d936c6ff5079be] ---
 
 if not modules then modules={} end modules ['font-cid']={
   version=1.001,
@@ -1721,10 +1743,10 @@ function cid.getmap(specification)
   return found
 end
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “font-cid”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “font-cid”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “font-map” 60c9f3d4d80944ce9123c9cddc1e57e5] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “font-map” a20a454f933095d78faf1d5f8200d025] ---
 
 if not modules then modules={} end modules ['font-map']={
   version=1.001,
@@ -2038,10 +2060,10 @@ function mappings.addtounicode(data,filename,checklookups)
   end
 end
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “font-map”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “font-map”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-syn” 9729d0e49b770f78e88dab86739e0297] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-syn” 9729d0e49b770f78e88dab86739e0297] ---
 
 if not modules then modules={} end modules ['luatex-fonts-syn']={
   version=1.001,
@@ -2117,10 +2139,10 @@ function fonts.names.ignoredfile(filename)
   return false 
 end
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-syn”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-syn”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “font-tfm” bbee5eddb11211fb0a8d993db678bf3c] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “font-tfm” bbee5eddb11211fb0a8d993db678bf3c] ---
 
 if not modules then modules={} end modules ['font-tfm']={
   version=1.001,
@@ -2275,10 +2297,10 @@ function readers.tfm(specification)
   return check_tfm(specification,fullname)
 end
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “font-tfm”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “font-tfm”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “font-afm” ece4863414d6b38c2e577110c9b55bd3] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “font-afm” ece4863414d6b38c2e577110c9b55bd3] ---
 
 if not modules then modules={} end modules ['font-afm']={
   version=1.001,
@@ -3130,10 +3152,10 @@ function readers.pfb(specification,method)
   return readers.afm(specification,method)
 end
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “font-afm”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “font-afm”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “font-afk” b36a76ceb835f41f8c05b471000ddc14] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “font-afk” b36a76ceb835f41f8c05b471000ddc14] ---
 
 if not modules then modules={} end modules ['font-afk']={
   version=1.001,
@@ -3300,10 +3322,10 @@ fonts.handlers.afm.helpdata={
   }
 }
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “font-afk”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “font-afk”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-tfm” 8fd3865240e4e87e99e0739abeda2322] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-tfm” 8fd3865240e4e87e99e0739abeda2322] ---
 
 if not modules then modules={} end modules ['luatex-fonts-tfm']={
   version=1.001,
@@ -3341,10 +3363,10 @@ function fonts.readers.tfm(specification)
   end
 end
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-tfm”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-tfm”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “font-oti” 035a51b49029d7da48453ec5f1d65018] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “font-oti” b6d493035cec2d748f2f9ec510c860ef] ---
 
 if not modules then modules={} end modules ['font-oti']={
   version=1.001,
@@ -3358,8 +3380,9 @@ local fonts=fonts
 local constructors=fonts.constructors
 local otf=constructors.newhandler("otf")
 local otffeatures=constructors.newfeatures("otf")
-local otftables=otf.tables
 local registerotffeature=otffeatures.register
+local otftables=otf.tables or {}
+otf.tables=otftables
 local allocate=utilities.storage.allocate
 registerotffeature {
   name="features",
@@ -3423,11 +3446,69 @@ registerotffeature {
     node=setscript,
   }
 }
+otftables.featuretypes=allocate {
+  gpos_single="position",
+  gpos_pair="position",
+  gpos_cursive="position",
+  gpos_mark2base="position",
+  gpos_mark2ligature="position",
+  gpos_mark2mark="position",
+  gpos_context="position",
+  gpos_contextchain="position",
+  gsub_single="substitution",
+  gsub_multiple="substitution",
+  gsub_alternate="substitution",
+  gsub_ligature="substitution",
+  gsub_context="substitution",
+  gsub_contextchain="substitution",
+  gsub_reversecontextchain="substitution",
+  gsub_reversesub="substitution",
+}
+function otffeatures.checkeddefaultscript(featuretype,autoscript,scripts)
+  if featuretype=="position" then
+    local default=scripts.dflt
+    if default then
+      if autoscript=="position" or autoscript==true then
+        return default
+      else
+        report_otf("script feature %s not applied, enable default positioning")
+      end
+    else
+    end
+  elseif featuretype=="substitution" then
+    local default=scripts.dflt
+    if default then
+      if autoscript=="substitution" or autoscript==true then
+        return default
+      end
+    end
+  end
+end
+function otffeatures.checkeddefaultlanguage(featuretype,autolanguage,languages)
+  if featuretype=="position" then
+    local default=languages.dflt
+    if default then
+      if autolanguage=="position" or autolanguage==true then
+        return default
+      else
+        report_otf("language feature %s not applied, enable default positioning")
+      end
+    else
+    end
+  elseif featuretype=="substitution" then
+    local default=languages.dflt
+    if default then
+      if autolanguage=="substitution" or autolanguage==true then
+        return default
+      end
+    end
+  end
+end
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “font-oti”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “font-oti”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “font-otf” b1a5f4340125198b1b0489ef903dd267] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “font-otf” b14a46a7fec8b5cb4c909f4c4c299453] ---
 
 if not modules then modules={} end modules ['font-otf']={
   version=1.001,
@@ -3467,7 +3548,7 @@ local report_otf=logs.reporter("fonts","otf loading")
 local fonts=fonts
 local otf=fonts.handlers.otf
 otf.glists={ "gsub","gpos" }
-otf.version=2.819 
+otf.version=2.820 
 otf.cache=containers.define("fonts","otf",otf.version,true)
 local hashes=fonts.hashes
 local definers=fonts.definers
@@ -3648,6 +3729,7 @@ local ordered_enhancers={
   "check encoding",
   "add duplicates",
   "expand lookups",
+  "check extra features",
   "cleanup tables",
   "compact lookups",
   "purge names",
@@ -3918,7 +4000,6 @@ function otf.load(filename,sub,featurefile)
       applyruntimefixes(filename,data)
     end
     enhance("add dimensions",data,filename,nil,false)
-enhance("check extra features",data,filename)
     if trace_sequences then
       showfeatureorder(data,filename)
     end
@@ -5803,7 +5884,7 @@ otf.coverup={
     kern=justset,
   },
   register=function(coverage,lookuptype,format,feature,n,descriptions,resources)
-    local name=formatters["ctx_%s_%s"](feature,n)
+    local name=formatters["ctx_%s_%s_%s"](feature,lookuptype,n) 
     if lookuptype=="kern" then
       resources.lookuptypes[name]="position"
     else
@@ -5884,10 +5965,10 @@ function otf.getkern(tfmdata,left,right,kind)
   return 0
 end
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “font-otf”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “font-otf”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “font-otb” 93461f2f412a9b33b35a273c09b64291] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “font-otb” 93461f2f412a9b33b35a273c09b64291] ---
 
 if not modules then modules={} end modules ['font-otb']={
   version=1.001,
@@ -6472,10 +6553,10 @@ directives.register("fonts.otf.loader.basemethod",function(v)
   end
 end)
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “font-otb”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “font-otb”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-inj” 2e61e59f1931a84336c6aea812e219c2] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “font-inj” 593642f0a6fe4a7fef5ed63034276e6f] ---
 
 if not modules then modules={} end modules ['font-inj']={
   version=1.001,
@@ -6537,8 +6618,10 @@ function injections.resetcounts()
 end
 function injections.reset(n)
   local p=rawget(properties,n)
-  if p and rawget(p,"injections") then
-    p.injections=nil
+  if p then
+    p.injections=false 
+  else
+    properties[n]=false 
   end
 end
 function injections.copy(target,source)
@@ -6555,10 +6638,17 @@ function injections.copy(target,source)
           injections=si,
         }
       end
+    elseif tp then
+      tp.injections=false 
     else
-      if tp then
-        tp.injections=nil
-      end
+      properties[target]={ injections={} }
+    end
+  else
+    local tp=rawget(properties,target)
+    if tp then
+      tp.injections=false 
+    else
+      properties[target]=false 
     end
   end
 end
@@ -6793,10 +6883,11 @@ local function show(n,what,nested,symbol)
         local markx=i.markx   or 0
         local marky=i.marky   or 0
         local markdir=i.markdir  or 0
-        local markbase=i.markbase or 0 
+        local markbase=i.markbase or 0
         local cursivex=i.cursivex or 0
         local cursivey=i.cursivey or 0
         local ligaindex=i.ligaindex or 0
+        local cursbase=i.cursiveanchor
         local margin=nested and 4 or 2
         if rightkern~=0 or yoffset~=0 then
           report_injections("%w%s pair: lx %p, rx %p, dy %p",margin,symbol,leftkern,rightkern,yoffset)
@@ -6807,7 +6898,13 @@ local function show(n,what,nested,symbol)
           report_injections("%w%s mark: dx %p, dy %p, dir %s, base %s",margin,symbol,markx,marky,markdir,markbase~=0 and "yes" or "no")
         end
         if cursivex~=0 or cursivey~=0 then
-          report_injections("%w%s curs: dx %p, dy %p",margin,symbol,cursivex,cursivey)
+          if cursbase then
+            report_injections("%w%s curs: base dx %p, dy %p",margin,symbol,cursivex,cursivey)
+          else
+            report_injections("%w%s curs: dx %p, dy %p",margin,symbol,cursivex,cursivey)
+          end
+        elseif cursbase then
+          report_injections("%w%s curs: base",margin,symbol)
         end
         if ligaindex~=0 then
           report_injections("%w%s liga: index %i",margin,symbol,ligaindex)
@@ -7486,12 +7583,12 @@ function injections.handler(head,where)
   end
 end
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-inj”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “font-inj”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-ota” e18236703ac20ece7ff45f9209a9b9d6] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-ota” 67a1fc4c6508526fa54041d22bcb6eab] ---
 
-if not modules then modules={} end modules ['font-otx']={
+if not modules then modules={} end modules ['luatex-fonts-ota']={
   version=1.001,
   comment="companion to font-otf.lua (analysing)",
   author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
@@ -7508,7 +7605,6 @@ local initializers=allocate()
 local methods=allocate()
 analyzers.initializers=initializers
 analyzers.methods=methods
-analyzers.useunicodemarks=false
 local a_state=attributes.private('state')
 local nuts=nodes.nuts
 local tonut=nuts.tonut
@@ -7564,6 +7660,7 @@ local features={
 }
 analyzers.states=states
 analyzers.features=features
+analyzers.useunicodemarks=false
 function analyzers.setstate(head,font)
   local useunicodemarks=analyzers.useunicodemarks
   local tfmdata=fontdata[font]
@@ -7577,7 +7674,10 @@ function analyzers.setstate(head,font)
       local char=getchar(current)
       local d=descriptions[char]
       if d then
-        if d.class=="mark" or (useunicodemarks and categories[char]=="mn") then
+        if d.class=="mark" then
+          done=true
+          setprop(current,a_state,s_mark)
+        elseif useunicodemarks and categories[char]=="mn" then
           done=true
           setprop(current,a_state,s_mark)
         elseif n==0 then
@@ -7864,10 +7964,10 @@ directives.register("otf.analyze.useunicodemarks",function(v)
   analyzers.useunicodemarks=v
 end)
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-ota”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-ota”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-otn” f01870a8622259f58ffbdc5718a53377] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “font-otn” e8a1f33bbba52eda6aec4e6d6a9662dc] ---
 
 if not modules then modules={} end modules ['font-otn']={
   version=1.001,
@@ -7927,7 +8027,9 @@ local tonut=nuts.tonut
 local getfield=nuts.getfield
 local setfield=nuts.setfield
 local getnext=nuts.getnext
+local setnext=nuts.setnext
 local getprev=nuts.getprev
+local setprev=nuts.setprev
 local getid=nuts.getid
 local getattr=nuts.getattr
 local setattr=nuts.setattr
@@ -7935,7 +8037,9 @@ local getprop=nuts.getprop
 local setprop=nuts.setprop
 local getfont=nuts.getfont
 local getsubtype=nuts.getsubtype
+local setsubtype=nuts.setsubtype
 local getchar=nuts.getchar
+local setchar=nuts.setchar
 local insert_node_before=nuts.insert_before
 local insert_node_after=nuts.insert_after
 local delete_node=nuts.delete
@@ -7954,15 +8058,14 @@ local zwj=0x200D
 local wildcard="*"
 local default="dflt"
 local nodecodes=nodes.nodecodes
-local whatcodes=nodes.whatcodes
 local glyphcodes=nodes.glyphcodes
 local disccodes=nodes.disccodes
 local glyph_code=nodecodes.glyph
 local glue_code=nodecodes.glue
 local disc_code=nodecodes.disc
 local math_code=nodecodes.math
-local dir_code=whatcodes.dir
-local localpar_code=whatcodes.localpar
+local dir_code=nodecodes.dir
+local localpar_code=nodecodes.localpar
 local discretionary_code=disccodes.discretionary
 local ligature_code=glyphcodes.ligature
 local privateattribute=attributes.private
@@ -8082,8 +8185,8 @@ local function flattendisk(head,disc)
     if replace then
       if next then
         local tail=find_node_tail(replace)
-        setfield(tail,"next",next)
-        setfield(next,"prev",tail)
+        setnext(tail,next)
+        setprev(next,tail)
       end
       return replace,replace
     elseif next then
@@ -8097,17 +8200,17 @@ local function flattendisk(head,disc)
     if replace then
       local tail=find_node_tail(replace)
       if next then
-        setfield(tail,"next",next)
-        setfield(next,"prev",tail)
+        setnext(tail,next)
+        setprev(next,tail)
       end
-      setfield(prev,"next",replace)
-      setfield(replace,"prev",prev)
+      setnext(prev,replace)
+      setprev(replace,prev)
       return head,replace
     else
       if next then
-        setfield(next,"prev",prev)
+        setprev(next,prev)
       end
-      setfield(prev,"next",next)
+      setnext(prev,next)
       return head,next
     end
   end
@@ -8120,14 +8223,14 @@ local function appenddisc(disc,list)
   local ptail=find_node_tail(post)
   local rtail=find_node_tail(replace)
   if post then
-    setfield(ptail,"next",phead)
-    setfield(phead,"prev",ptail)
+    setnext(ptail,phead)
+    setprev(phead,ptail)
   else
     setfield(disc,"post",phead)
   end
   if replace then
-    setfield(rtail,"next",rhead)
-    setfield(rhead,"prev",rtail)
+    setnext(rtail,rhead)
+    setprev(rhead,rtail)
   else
     setfield(disc,"replace",rhead)
   end
@@ -8138,24 +8241,24 @@ local function markstoligature(kind,lookupname,head,start,stop,char)
   else
     local prev=getprev(start)
     local next=getnext(stop)
-    setfield(start,"prev",nil)
-    setfield(stop,"next",nil)
+    setprev(start,nil)
+    setnext(stop,nil)
     local base=copy_glyph(start)
     if head==start then
       head=base
     end
     resetinjection(base)
-    setfield(base,"char",char)
-    setfield(base,"subtype",ligature_code)
+    setchar(base,char)
+    setsubtype(base,ligature_code)
     setfield(base,"components",start)
     if prev then
-      setfield(prev,"next",base)
+      setnext(prev,base)
     end
     if next then
-      setfield(next,"prev",base)
+      setprev(next,base)
     end
-    setfield(base,"next",next)
-    setfield(base,"prev",prev)
+    setnext(base,next)
+    setprev(base,prev)
     return head,base
   end
 end
@@ -8183,7 +8286,7 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun
   end
   if start==stop and getchar(start)==char then
     resetinjection(start)
-    setfield(start,"char",char)
+    setchar(start,char)
     return head,start
   end
   local components=getfield(start,"components")
@@ -8192,24 +8295,24 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun
   local prev=getprev(start)
   local next=getnext(stop)
   local comp=start
-  setfield(start,"prev",nil)
-  setfield(stop,"next",nil)
+  setprev(start,nil)
+  setnext(stop,nil)
   local base=copy_glyph(start)
   if start==head then
     head=base
   end
   resetinjection(base)
-  setfield(base,"char",char)
-  setfield(base,"subtype",ligature_code)
+  setchar(base,char)
+  setsubtype(base,ligature_code)
   setfield(base,"components",comp) 
   if prev then
-    setfield(prev,"next",base)
+    setnext(prev,base)
   end
   if next then
-    setfield(next,"prev",base)
+    setprev(next,base)
   end
-  setfield(base,"prev",prev)
-  setfield(base,"next",next)
+  setprev(base,prev)
+  setnext(base,next)
   if not discfound then
     local deletemarks=markflag~="mark"
     local components=start
@@ -8249,41 +8352,41 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun
       start=getnext(start)
     end
   else
-    local discprev=getfield(discfound,"prev")
-    local discnext=getfield(discfound,"next")
+    local discprev=getprev(discfound)
+    local discnext=getnext(discfound)
     if discprev and discnext then
       local pre=getfield(discfound,"pre")
       local post=getfield(discfound,"post")
       local replace=getfield(discfound,"replace")
       if not replace then 
-        local prev=getfield(base,"prev")
+        local prev=getprev(base)
         local copied=copy_node_list(comp)
-        setfield(discnext,"prev",nil) 
-        setfield(discprev,"next",nil) 
+        setprev(discnext,nil) 
+        setnext(discprev,nil) 
         if pre then
-          setfield(discprev,"next",pre)
-          setfield(pre,"prev",discprev)
+          setnext(discprev,pre)
+          setprev(pre,discprev)
         end
         pre=comp
         if post then
           local tail=find_node_tail(post)
-          setfield(tail,"next",discnext)
-          setfield(discnext,"prev",tail)
-          setfield(post,"prev",nil)
+          setnext(tail,discnext)
+          setprev(discnext,tail)
+          setprev(post,nil)
         else
           post=discnext
         end
-        setfield(prev,"next",discfound)
-        setfield(discfound,"prev",prev)
-        setfield(discfound,"next",next)
-        setfield(next,"prev",discfound)
-        setfield(base,"next",nil)
-        setfield(base,"prev",nil)
+        setnext(prev,discfound)
+        setprev(discfound,prev)
+        setnext(discfound,next)
+        setprev(next,discfound)
+        setnext(base,nil)
+        setprev(base,nil)
         setfield(base,"components",copied)
         setfield(discfound,"pre",pre)
         setfield(discfound,"post",post)
         setfield(discfound,"replace",base)
-        setfield(discfound,"subtype",discretionary_code)
+        setsubtype(discfound,discretionary_code)
         base=prev 
       end
     end
@@ -8294,19 +8397,19 @@ local function multiple_glyphs(head,start,multiple,ignoremarks)
   local nofmultiples=#multiple
   if nofmultiples>0 then
     resetinjection(start)
-    setfield(start,"char",multiple[1])
+    setchar(start,multiple[1])
     if nofmultiples>1 then
       local sn=getnext(start)
       for k=2,nofmultiples do
         local n=copy_node(start) 
         resetinjection(n)
-        setfield(n,"char",multiple[k])
-        setfield(n,"prev",start)
-        setfield(n,"next",sn)
+        setchar(n,multiple[k])
+        setprev(n,start)
+        setnext(n,sn)
         if sn then
-          setfield(sn,"prev",n)
+          setprev(sn,n)
         end
-        setfield(start,"next",n)
+        setnext(start,n)
         start=n
       end
     end
@@ -8354,7 +8457,7 @@ function handlers.gsub_single(head,start,kind,lookupname,replacement)
     logprocess("%s: replacing %s by single %s",pref(kind,lookupname),gref(getchar(start)),gref(replacement))
   end
   resetinjection(start)
-  setfield(start,"char",replacement)
+  setchar(start,replacement)
   return head,start,true
 end
 function handlers.gsub_alternate(head,start,kind,lookupname,alternative,sequence)
@@ -8365,7 +8468,7 @@ function handlers.gsub_alternate(head,start,kind,lookupname,alternative,sequence
       logprocess("%s: replacing %s by alternative %a to %s, %s",pref(kind,lookupname),gref(getchar(start)),choice,gref(choice),comment)
     end
     resetinjection(start)
-    setfield(start,"char",choice)
+    setchar(start,choice)
   else
     if trace_alternatives then
       logwarning("%s: no variant %a for %s, %s",pref(kind,lookupname),value,gref(getchar(start)),comment)
@@ -8459,7 +8562,7 @@ function handlers.gsub_ligature(head,start,kind,lookupname,ligature,sequence)
         end
       else
         resetinjection(start)
-        setfield(start,"char",lig)
+        setchar(start,lig)
         if trace_ligatures then
           logprocess("%s: replacing %s by (no real) ligature %s case 3",pref(kind,lookupname),gref(startchar),gref(lig))
         end
@@ -8786,7 +8889,7 @@ function chainprocs.reversesub(head,start,stop,kind,chainname,currentcontext,loo
       logprocess("%s: single reverse replacement of %s by %s",cref(kind,chainname),gref(char),gref(replacement))
     end
     resetinjection(start)
-    setfield(start,"char",replacement)
+    setchar(start,replacement)
     return head,start,true
   else
     return head,start,false
@@ -8818,7 +8921,7 @@ function chainprocs.gsub_single(head,start,stop,kind,chainname,currentcontext,lo
             logprocess("%s: replacing single %s by %s",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(currentchar),gref(replacement))
           end
           resetinjection(current)
-          setfield(current,"char",replacement)
+          setchar(current,replacement)
         end
       end
       return head,start,true
@@ -8876,7 +8979,7 @@ function chainprocs.gsub_alternate(head,start,stop,kind,chainname,currentcontext
               logprocess("%s: replacing %s by alternative %a to %s, %s",cref(kind,chainname,chainlookupname,lookupname),gref(char),choice,gref(choice),comment)
             end
             resetinjection(start)
-            setfield(start,"char",choice)
+            setchar(start,choice)
           else
             if trace_alternatives then
               logwarning("%s: no variant %a for %s, %s",cref(kind,chainname,chainlookupname,lookupname),value,gref(char),comment)
@@ -9371,13 +9474,13 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
       local tail=nil
       if prev then
         tail=prev
-        setfield(current,"prev",sweepnode)
+        setprev(current,sweepnode)
       else
         tail=find_node_tail(head)
       end
-      setfield(sweepnode,"next",current)
-      setfield(head,"prev",nil)
-      setfield(tail,"next",nil)
+      setnext(sweepnode,current)
+      setprev(head,nil)
+      setnext(tail,nil)
       appenddisc(sweepnode,head)
     end
   end
@@ -9465,12 +9568,12 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
       startishead=cf==head
       cprev=getprev(cprev)
     end
-    setfield(lookaheaddisc,"prev",cprev)
+    setprev(lookaheaddisc,cprev)
     if cprev then
-      setfield(cprev,"next",lookaheaddisc)
+      setnext(cprev,lookaheaddisc)
     end
-    setfield(cf,"prev",nil)
-    setfield(cl,"next",nil)
+    setprev(cf,nil)
+    setnext(cl,nil)
     if startishead then
       head=lookaheaddisc
     end
@@ -9492,13 +9595,13 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
       new,cnew,ok=chainproc(new,cnew,clast,kind,chainname,ck,lookuphash,chainlookup,chainlookupname,nil,sequence)
     end
     if pre then
-      setfield(cl,"next",pre)
-      setfield(pre,"prev",cl)
+      setnext(cl,pre)
+      setprev(pre,cl)
     end
     if replace then
       local tail=find_node_tail(new)
-      setfield(tail,"next",replace)
-      setfield(replace,"prev",tail)
+      setnext(tail,replace)
+      setprev(replace,tail)
     end
     setfield(lookaheaddisc,"pre",cf)   
     setfield(lookaheaddisc,"replace",new) 
@@ -9516,11 +9619,11 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
       cnext=getnext(cnext)
     end
     if cnext then
-      setfield(cnext,"prev",backtrackdisc)
+      setprev(cnext,backtrackdisc)
     end
-    setfield(backtrackdisc,"next",cnext)
-    setfield(cf,"prev",nil)
-    setfield(cl,"next",nil)
+    setnext(backtrackdisc,cnext)
+    setprev(cf,nil)
+    setnext(cl,nil)
     local replace=getfield(backtrackdisc,"replace")
     local post=getfield(backtrackdisc,"post")
     local new=copy_node_list(cf)
@@ -9540,15 +9643,15 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
     end
     if post then
       local tail=find_node_tail(post)
-      setfield(tail,"next",cf)
-      setfield(cf,"prev",tail)
+      setnext(tail,cf)
+      setprev(cf,tail)
     else
       post=cf
     end
     if replace then
       local tail=find_node_tail(replace)
-      setfield(tail,"next",new)
-      setfield(new,"prev",tail)
+      setnext(tail,new)
+      setprev(new,tail)
     else
       replace=new
     end
@@ -10076,25 +10179,40 @@ otf.chainhandlers={
   normal=normal_handle_contextchain,
   verbose=verbose_handle_contextchain,
 }
+local handle_contextchain=nil
+function chained_contextchain(head,start,stop,...)
+  local steps=currentlookup.steps
+  local nofsteps=currentlookup.nofsteps
+  if nofsteps>1 then
+    reportmoresteps(dataset,sequence)
+  end
+  return handle_contextchain(head,start,...)
+end
 function otf.setcontextchain(method)
   if not method or method=="normal" or not otf.chainhandlers[method] then
-    if handlers.contextchain then 
+    if handle_contextchain then 
       logwarning("installing normal contextchain handler")
     end
-    handlers.contextchain=normal_handle_contextchain
+    handle_contextchain=normal_handle_contextchain
   else
     logwarning("installing contextchain handler %a",method)
     local handler=otf.chainhandlers[method]
-    handlers.contextchain=function(...)
+    handle_contextchain=function(...)
       return handler(currentfont,...) 
     end
   end
-  handlers.gsub_context=handlers.contextchain
-  handlers.gsub_contextchain=handlers.contextchain
-  handlers.gsub_reversecontextchain=handlers.contextchain
-  handlers.gpos_contextchain=handlers.contextchain
-  handlers.gpos_context=handlers.contextchain
+  handlers.gsub_context=handle_contextchain
+  handlers.gsub_contextchain=handle_contextchain
+  handlers.gsub_reversecontextchain=handle_contextchain
+  handlers.gpos_contextchain=handle_contextchain
+  handlers.gpos_context=handle_contextchain
+  handlers.contextchain=handle_contextchain
 end
+chainprocs.gsub_context=chained_contextchain
+chainprocs.gsub_contextchain=chained_contextchain
+chainprocs.gsub_reversecontextchain=chained_contextchain
+chainprocs.gpos_contextchain=chained_contextchain
+chainprocs.gpos_context=chained_contextchain
 otf.setcontextchain()
 local missing={} 
 local function logprocess(...)
@@ -10122,19 +10240,32 @@ setmetatableindex(lookuphashes,function(t,font)
   t[font]=lookuphash
   return lookuphash
 end)
-local autofeatures=fonts.analyzers.features 
-local function initialize(sequence,script,language,enabled)
+local autofeatures=fonts.analyzers.features
+local featuretypes=otf.tables.featuretypes
+local defaultscript=otf.features.checkeddefaultscript
+local defaultlanguage=otf.features.checkeddefaultlanguage
+local function initialize(sequence,script,language,enabled,autoscript,autolanguage)
   local features=sequence.features
   if features then
     local order=sequence.order
     if order then
-      for i=1,#order do 
-        local kind=order[i] 
+      local featuretype=featuretypes[sequence.type or "unknown"]
+      for i=1,#order do
+        local kind=order[i]
         local valid=enabled[kind]
         if valid then
-          local scripts=features[kind] 
-          local languages=scripts[script] or scripts[wildcard]
-          if languages and (languages[language] or languages[wildcard]) then
+          local scripts=features[kind]
+          local languages=scripts and (
+            scripts[script] or
+            scripts[wildcard] or
+            (autoscript and defaultscript(featuretype,autoscript,scripts))
+          )
+          local enabled=languages and (
+            languages[language] or
+            languages[wildcard] or
+            (autolanguage and defaultlanguage(featuretype,autolanguage,languages))
+          )
+          if enabled then
             return { valid,autofeatures[kind] or false,sequence,kind }
           end
         end
@@ -10150,6 +10281,8 @@ function otf.dataset(tfmdata,font)
   local language=properties.language or "dflt"
   local script=properties.script  or "dflt"
   local enabled=shared.features
+  local autoscript=enabled and enabled.autoscript
+  local autolanguage=enabled and enabled.autolanguage
   local res=resolved[font]
   if not res then
     res={}
@@ -10167,7 +10300,7 @@ function otf.dataset(tfmdata,font)
     rs[language]=rl
     local sequences=tfmdata.resources.sequences
     for s=1,#sequences do
-      local v=enabled and initialize(sequences[s],script,language,enabled)
+      local v=enabled and initialize(sequences[s],script,language,enabled,autoscript,autolanguage)
       if v then
         rl[#rl+1]=v
       end
@@ -10197,57 +10330,57 @@ local function kernrun(disc,run)
   if not pre then
   elseif prev then
     local nest=getprev(pre)
-    setfield(pre,"prev",prev)
-    setfield(prev,"next",pre)
+    setprev(pre,prev)
+    setnext(prev,pre)
     run(prevmarks,"preinjections")
-    setfield(pre,"prev",nest)
-    setfield(prev,"next",disc)
+    setprev(pre,nest)
+    setnext(prev,disc)
   else
     run(pre,"preinjections")
   end
   if not post then
   elseif next then
     local tail=find_node_tail(post)
-    setfield(tail,"next",next)
-    setfield(next,"prev",tail)
+    setnext(tail,next)
+    setprev(next,tail)
     run(post,"postinjections",next)
-    setfield(tail,"next",nil)
-    setfield(next,"prev",disc)
+    setnext(tail,nil)
+    setprev(next,disc)
   else
     run(post,"postinjections")
   end
   if not replace and prev and next then
-    setfield(prev,"next",next)
-    setfield(next,"prev",prev)
+    setnext(prev,next)
+    setprev(next,prev)
     run(prevmarks,"injections",next)
-    setfield(prev,"next",disc)
-    setfield(next,"prev",disc)
+    setnext(prev,disc)
+    setprev(next,disc)
   elseif prev and next then
     local tail=find_node_tail(replace)
     local nest=getprev(replace)
-    setfield(replace,"prev",prev)
-    setfield(prev,"next",replace)
-    setfield(tail,"next",next)
-    setfield(next,"prev",tail)
+    setprev(replace,prev)
+    setnext(prev,replace)
+    setnext(tail,next)
+    setprev(next,tail)
     run(prevmarks,"replaceinjections",next)
-    setfield(replace,"prev",nest)
-    setfield(prev,"next",disc)
-    setfield(tail,"next",nil)
-    setfield(next,"prev",disc)
+    setprev(replace,nest)
+    setnext(prev,disc)
+    setnext(tail,nil)
+    setprev(next,disc)
   elseif prev then
     local nest=getprev(replace)
-    setfield(replace,"prev",prev)
-    setfield(prev,"next",replace)
+    setprev(replace,prev)
+    setnext(prev,replace)
     run(prevmarks,"replaceinjections")
-    setfield(replace,"prev",nest)
-    setfield(prev,"next",disc)
+    setprev(replace,nest)
+    setnext(prev,disc)
   elseif next then
     local tail=find_node_tail(replace)
-    setfield(tail,"next",next)
-    setfield(next,"prev",tail)
+    setnext(tail,next)
+    setprev(next,tail)
     run(replace,"replaceinjections",next)
-    setfield(tail,"next",nil)
-    setfield(next,"prev",disc)
+    setnext(tail,nil)
+    setprev(next,disc)
   else
     run(replace,"replaceinjections")
   end
@@ -10294,21 +10427,21 @@ local function testrun(disc,trun,crun)
       local prev=getprev(disc)
       if prev then
         local tail=find_node_tail(replace)
-        setfield(tail,"next",next)
-        setfield(next,"prev",tail)
+        setnext(tail,next)
+        setprev(next,tail)
         if trun(replace,next) then
           setfield(disc,"replace",nil) 
-          setfield(prev,"next",replace)
-          setfield(replace,"prev",prev)
-          setfield(next,"prev",tail)
-          setfield(tail,"next",next)
-          setfield(disc,"prev",nil)
-          setfield(disc,"next",nil)
+          setnext(prev,replace)
+          setprev(replace,prev)
+          setprev(next,tail)
+          setnext(tail,next)
+          setprev(disc,nil)
+          setnext(disc,nil)
           flush_node_list(disc)
           return replace 
         else
-          setfield(tail,"next",nil)
-          setfield(next,"prev",disc)
+          setnext(tail,nil)
+          setprev(next,disc)
         end
       else
       end
@@ -10326,19 +10459,19 @@ local function discrun(disc,drun,krun)
     report_run("disc") 
   end
   if next and prev then
-    setfield(prev,"next",next)
+    setnext(prev,next)
     drun(prev)
-    setfield(prev,"next",disc)
+    setnext(prev,disc)
   end
   local pre=getfield(disc,"pre")
   if not pre then
   elseif prev then
     local nest=getprev(pre)
-    setfield(pre,"prev",prev)
-    setfield(prev,"next",pre)
+    setprev(pre,prev)
+    setnext(prev,pre)
     krun(prev,"preinjections")
-    setfield(pre,"prev",nest)
-    setfield(prev,"next",disc)
+    setprev(pre,nest)
+    setnext(prev,disc)
   else
     krun(pre,"preinjections")
   end
@@ -10596,6 +10729,40 @@ local function featuresprocessor(head,font,attr)
               end
             elseif id==math_code then
               start=getnext(end_of_math(start))
+            elseif id==dir_code then
+              local dir=getfield(start,"dir")
+              if dir=="+TLT" then
+                topstack=topstack+1
+                dirstack[topstack]=dir
+                rlmode=1
+              elseif dir=="+TRT" then
+                topstack=topstack+1
+                dirstack[topstack]=dir
+                rlmode=-1
+              elseif dir=="-TLT" or dir=="-TRT" then
+                topstack=topstack-1
+                rlmode=dirstack[topstack]=="+TRT" and -1 or 1
+              else
+                rlmode=rlparmode
+              end
+              if trace_directions then
+                report_process("directions after txtdir %a: parmode %a, txtmode %a, # stack %a, new dir %a",dir,rlparmode,rlmode,topstack,newdir)
+              end
+              start=getnext(start)
+            elseif id==localpar_code then
+              local dir=getfield(start,"dir")
+              if dir=="TRT" then
+                rlparmode=-1
+              elseif dir=="TLT" then
+                rlparmode=1
+              else
+                rlparmode=0
+              end
+              rlmode=rlparmode
+              if trace_directions then
+                report_process("directions after pardir %a: parmode %a, txtmode %a",dir,rlparmode,rlmode)
+              end
+              start=getnext(start)
             else
               start=getnext(start)
             end
@@ -10816,6 +10983,40 @@ local function featuresprocessor(head,font,attr)
             end
           elseif id==math_code then
             start=getnext(end_of_math(start))
+          elseif id==dir_code then
+            local dir=getfield(start,"dir")
+            if dir=="+TLT" then
+              topstack=topstack+1
+              dirstack[topstack]=dir
+              rlmode=1
+            elseif dir=="+TRT" then
+              topstack=topstack+1
+              dirstack[topstack]=dir
+              rlmode=-1
+            elseif dir=="-TLT" or dir=="-TRT" then
+              topstack=topstack-1
+              rlmode=dirstack[topstack]=="+TRT" and -1 or 1
+            else
+              rlmode=rlparmode
+            end
+            if trace_directions then
+              report_process("directions after txtdir %a: parmode %a, txtmode %a, # stack %a, new dir %a",dir,rlparmode,rlmode,topstack,newdir)
+            end
+            start=getnext(start)
+          elseif id==localpar_code then
+            local dir=getfield(start,"dir")
+            if dir=="TRT" then
+              rlparmode=-1
+            elseif dir=="TLT" then
+              rlparmode=1
+            else
+              rlparmode=0
+            end
+            rlmode=rlparmode
+            if trace_directions then
+              report_process("directions after pardir %a: parmode %a, txtmode %a",dir,rlparmode,rlmode)
+            end
+            start=getnext(start)
           else
             start=getnext(start)
           end
@@ -10951,10 +11152,10 @@ local function split(replacement,original)
   end
   return result
 end
-local valid={
-  coverage={ chainsub=true,chainpos=true,contextsub=true },
+local valid={ 
+  coverage={ chainsub=true,chainpos=true,contextsub=true,contextpos=true },
   reversecoverage={ reversesub=true },
-  glyphs={ chainsub=true,chainpos=true },
+  glyphs={ chainsub=true,chainpos=true,contextsub=true,contextpos=true },
 }
 local function prepare_contextchains(tfmdata)
   local rawdata=tfmdata.shared.rawdata
@@ -11007,7 +11208,7 @@ local function prepare_contextchains(tfmdata)
                   sequence[nofsequences]=after[n]
                 end
               end
-              if sequence[1] then
+              if sequence[start] then
                 nt=nt+1
                 t[nt]={ nofrules,lookuptype,sequence,start,stop,rule.lookups,replacements }
                 for unic in next,sequence[start] do
@@ -11058,10 +11259,10 @@ registerotffeature {
 }
 otf.handlers=handlers
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-otn”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “font-otn”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “font-otp” 18b4375155925ee1809150f4f6c3973b] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “font-otp” 18b4375155925ee1809150f4f6c3973b] ---
 
 if not modules then modules={} end modules ['font-otp']={
   version=1.001,
@@ -11896,10 +12097,10 @@ end
 otf.enhancers.unpack=unpackdata 
 otf.enhancers.pack=packdata  
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “font-otp”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “font-otp”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-lua” 50b8edb1db7009b6c661ab71ff24a466] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-lua” 50b8edb1db7009b6c661ab71ff24a466] ---
 
 if not modules then modules={} end modules ['luatex-fonts-lua']={
   version=1.001,
@@ -11932,10 +12133,10 @@ function fonts.readers.lua(specification)
   end
 end
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-lua”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-lua”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “font-def” 3c71c27300a8cb5c29f5d278d2049fb6] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “font-def” 3c71c27300a8cb5c29f5d278d2049fb6] ---
 
 if not modules then modules={} end modules ['font-def']={
   version=1.001,
@@ -12266,12 +12467,12 @@ function font.getfont(id)
 end
 callbacks.register('define_font',definers.read,"definition of fonts (tfmdata preparation)")
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “font-def”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “font-def”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-def” 8dc05f2aa96d2fd0245242c8fd3320eb] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-def” e758c9faca4d44382b88bbea892e8bbf] ---
 
-if not modules then modules={} end modules ['luatex-font-def']={
+if not modules then modules={} end modules ['luatex-fonts-def']={
   version=1.001,
   comment="companion to luatex-*.tex",
   author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
@@ -12349,10 +12550,10 @@ function fonts.definers.applypostprocessors(tfmdata)
   return tfmdata
 end
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-def”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-def”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-ext” 0eee87fb26b7d135da88ac0a43a8037a] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-ext” 0eee87fb26b7d135da88ac0a43a8037a] ---
 
 if not modules then modules={} end modules ['luatex-fonts-ext']={
   version=1.001,
@@ -12569,10 +12770,10 @@ otffeatures.register {
   }
 }
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-ext”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-ext”] ---
 
 
-do  --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-cbk” 3e86c6a492ca8d792f6b06149ba0dd57] ---
+do  --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-cbk” 3e86c6a492ca8d792f6b06149ba0dd57] ---
 
 if not modules then modules={} end modules ['luatex-fonts-cbk']={
   version=1.001,
@@ -12774,7 +12975,7 @@ function nodes.simple_font_handler(head)
   end
 end
 
-end --- [luaotfload, fontloader-2015-12-12.lua scope for “fonts-cbk”] ---
+end --- [luaotfload, fontloader-2015-12-22.lua scope for “fonts-cbk”] ---
 
 
 --- vim:ft=lua:sw=2:ts=8:et:tw=79
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-basics-nod.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-basics-nod.lua
index 39400a3d001..78f1b172a43 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-basics-nod.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-basics-nod.lua
@@ -51,17 +51,23 @@ nodes              = { }
 nodes.pool         = { }
 nodes.handlers     = { }
 
-local nodecodes    = { } for k,v in next, node.types   () do nodecodes[string.gsub(v,"_","")] = k end
-local whatcodes    = { } for k,v in next, node.whatsits() do whatcodes[string.gsub(v,"_","")] = k end
-local glyphcodes   = { [0] = "character", "glyph", "ligature", "ghost", "left", "right" }
-local disccodes    = { [0] = "discretionary", "explicit", "automatic", "regular", "first", "second" }
-
-for i=0,#glyphcodes do glyphcodes[glyphcodes[i]] = i end
-for i=0,#disccodes  do disccodes [disccodes [i]] = i end
+local nodecodes    = { }
+local glyphcodes   = node.subtypes("glyph")
+local disccodes    = node.subtypes("disc")
+
+for k, v in next, node.types() do
+    v = string.gsub(v,"_","")
+    nodecodes[k] = v
+    nodecodes[v] = k
+end
+for i=0,#glyphcodes do
+    glyphcodes[glyphcodes[i]] = i
+end
+for i=0,#disccodes do
+    disccodes[disccodes[i]] = i
+end
 
 nodes.nodecodes    = nodecodes
-nodes.whatcodes    = whatcodes
-nodes.whatsitcodes = whatcodes
 nodes.glyphcodes   = glyphcodes
 nodes.disccodes    = disccodes
 
@@ -140,7 +146,6 @@ nodes.slide                = node.slide
 nodes.vpack                = node.vpack
 
 nodes.first_glyph          = node.first_glyph
-nodes.first_character      = node.first_character
 nodes.has_glyph            = node.has_glyph or node.first_glyph
 
 nodes.current_attr         = node.current_attr
@@ -178,20 +183,33 @@ nodes.tonut              = tonut
 nuts.tonode              = tonode
 nuts.tonut               = tonut
 
-
 local getfield           = direct.getfield
 local setfield           = direct.setfield
 
 nuts.getfield            = getfield
 nuts.setfield            = setfield
 nuts.getnext             = direct.getnext
+nuts.setnext             = direct.setnext
 nuts.getprev             = direct.getprev
+nuts.setprev             = direct.setprev
+nuts.getboth             = direct.getboth
+nuts.setboth             = direct.setboth
 nuts.getid               = direct.getid
-nuts.getattr             = getfield
+nuts.getattr             = direct.get_attribute or direct.has_attribute or getfield
 nuts.setattr             = setfield
 nuts.getfont             = direct.getfont
+nuts.setfont             = direct.setfont
 nuts.getsubtype          = direct.getsubtype
+nuts.setsubtype          = direct.setsubtype or function(n,s) setfield(n,"subtype",s) end
 nuts.getchar             = direct.getchar
+nuts.setchar             = direct.setchar
+nuts.getdisc             = direct.getdisc
+nuts.setdisc             = direct.setdisc
+nuts.setlink             = direct.setlink
+nuts.getlist             = direct.getlist
+nuts.setlist             = direct.setlist    or function(n,l) setfield(n,"list",l) end
+nuts.getleader           = direct.getleader
+nuts.setleader           = direct.setleader  or function(n,l) setfield(n,"leader",l) end
 
 nuts.insert_before       = direct.insert_before
 nuts.insert_after        = direct.insert_after
@@ -206,6 +224,9 @@ nuts.is_node             = direct.is_node
 nuts.end_of_math         = direct.end_of_math
 nuts.traverse            = direct.traverse
 nuts.traverse_id         = direct.traverse_id
+nuts.traverse_char       = direct.traverse_char
+nuts.ligaturing          = direct.ligaturing
+nuts.kerning             = direct.kerning
 
 nuts.getprop             = nuts.getattr
 nuts.setprop             = nuts.setattr
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-char-ini.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-char-ini.lua
new file mode 100644
index 00000000000..0a79051e8f0
--- /dev/null
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-char-ini.lua
@@ -0,0 +1,1318 @@
+if not modules then modules = { } end modules ['char-ini'] = {
+    version   = 1.001,
+    comment   = "companion to char-ini.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+-- todo: make two files, one for format generation, one for format use
+-- todo: move some to char-utf
+
+-- we can remove the tag range starting at 0xE0000 (special applications)
+
+local utfchar, utfbyte, utfvalues, ustring, utotable = utf.char, utf.byte, utf.values, utf.ustring, utf.totable
+local concat, unpack, tohash = table.concat, table.unpack, table.tohash
+local next, tonumber, type, rawget, rawset = next, tonumber, type, rawget, rawset
+local format, lower, gsub = string.format, string.lower, string.gsub
+local P, R, S, Cs = lpeg.P, lpeg.R, lpeg.S, lpeg.Cs
+
+if not characters then require("char-def") end
+
+local lpegpatterns          = lpeg.patterns
+local lpegmatch             = lpeg.match
+local utf8byte              = lpegpatterns.utf8byte
+local utf8character         = lpegpatterns.utf8character
+
+local utfchartabletopattern = lpeg.utfchartabletopattern
+
+local allocate              = utilities.storage.allocate
+local mark                  = utilities.storage.mark
+
+local setmetatableindex     = table.setmetatableindex
+
+local trace_defining        = false  trackers.register("characters.defining", function(v) characters_defining = v end)
+
+local report_defining       = logs.reporter("characters")
+
+--[[ldx--
+<p>This module implements some methods and creates additional datastructured
+from the big character table that we use for all kind of purposes:
+<type>char-def.lua</type>.</p>
+
+<p>We assume that at this point <type>characters.data</type> is already
+loaded!</p>
+--ldx]]--
+
+-- todo: in 'char-def.lua' assume defaults:
+--
+-- directtions = l
+-- cjkwd       = a
+-- linebreak   = al
+
+characters       = characters or { }
+local characters = characters
+local data       = characters.data
+
+if data then
+    mark(data) -- why does this fail
+else
+    report_defining("fatal error: 'char-def.lua' is not loaded")
+    os.exit()
+end
+
+--[[ldx--
+<p>This converts a string (if given) into a number.</p>
+--ldx]]--
+
+local pattern = (P("0x") + P("U+")) * ((R("09","AF")^1 * P(-1)) / function(s) return tonumber(s,16) end)
+
+lpegpatterns.chartonumber = pattern
+
+local function chartonumber(k)
+    if type(k) == "string" then
+        local u = lpegmatch(pattern,k)
+        if u then
+            return utfbyte(u)
+        else
+            return utfbyte(k) or 0
+        end
+    else
+        return k or 0
+    end
+end
+
+local function charfromnumber(k)
+    if type(k) == "number" then
+        return utfchar(k) or ""
+    else
+        local u = lpegmatch(pattern,k)
+        if u then
+            return utfchar(u)
+        else
+            return k
+        end
+    end
+end
+
+--~ print(chartonumber(97), chartonumber("a"), chartonumber("0x61"), chartonumber("U+61"))
+
+characters.tonumber   = chartonumber
+characters.fromnumber = charfromnumber
+
+local private = {
+    description = "PRIVATE SLOT",
+}
+
+local ranges      = allocate()
+characters.ranges = ranges
+
+setmetatableindex(data, function(t,k)
+    local tk = type(k)
+    if tk == "string" then
+        k = lpegmatch(pattern,k) or utfbyte(k)
+        if k then
+            local v = rawget(t,k)
+            if v then
+                return v
+            else
+                tk = "number" -- fall through to range
+            end
+        else
+            return private
+        end
+    end
+    if tk == "number" and k < 0xF0000 then
+        for r=1,#ranges do
+            local rr = ranges[r]
+            if k >= rr.first and k <= rr.last then
+                local extender = rr.extender
+                if extender then
+                    local v = extender(k,v)
+                    t[k] = v
+                    return v
+                end
+            end
+        end
+    end
+    return private -- handy for when we loop over characters in fonts and check for a property
+end)
+
+local blocks = allocate {
+    ["aegeannumbers"]                              = { first = 0x10100, last = 0x1013F,             description = "Aegean Numbers" },
+    ["ahom"]                                       = { first = 0x11700, last = 0x1173F,             description = "Ahom" },
+    ["alchemicalsymbols"]                          = { first = 0x1F700, last = 0x1F77F,             description = "Alchemical Symbols" },
+    ["alphabeticpresentationforms"]                = { first = 0x0FB00, last = 0x0FB4F, otf="latn", description = "Alphabetic Presentation Forms" },
+    ["anatolianhieroglyphs"]                       = { first = 0x14400, last = 0x1467F,             description = "Anatolian Hieroglyphs" },
+    ["ancientgreekmusicalnotation"]                = { first = 0x1D200, last = 0x1D24F, otf="grek", description = "Ancient Greek Musical Notation" },
+    ["ancientgreeknumbers"]                        = { first = 0x10140, last = 0x1018F, otf="grek", description = "Ancient Greek Numbers" },
+    ["ancientsymbols"]                             = { first = 0x10190, last = 0x101CF, otf="grek", description = "Ancient Symbols" },
+    ["arabic"]                                     = { first = 0x00600, last = 0x006FF, otf="arab", description = "Arabic" },
+    ["arabicextendeda"]                            = { first = 0x008A0, last = 0x008FF,             description = "Arabic Extended-A" },
+    ["arabicmathematicalalphabeticsymbols"]        = { first = 0x1EE00, last = 0x1EEFF,             description = "Arabic Mathematical Alphabetic Symbols" },
+    ["arabicpresentationformsa"]                   = { first = 0x0FB50, last = 0x0FDFF, otf="arab", description = "Arabic Presentation Forms-A" },
+    ["arabicpresentationformsb"]                   = { first = 0x0FE70, last = 0x0FEFF, otf="arab", description = "Arabic Presentation Forms-B" },
+    ["arabicsupplement"]                           = { first = 0x00750, last = 0x0077F, otf="arab", description = "Arabic Supplement" },
+    ["armenian"]                                   = { first = 0x00530, last = 0x0058F, otf="armn", description = "Armenian" },
+    ["arrows"]                                     = { first = 0x02190, last = 0x021FF,             description = "Arrows" },
+    ["avestan"]                                    = { first = 0x10B00, last = 0x10B3F,             description = "Avestan" },
+    ["balinese"]                                   = { first = 0x01B00, last = 0x01B7F, otf="bali", description = "Balinese" },
+    ["bamum"]                                      = { first = 0x0A6A0, last = 0x0A6FF,             description = "Bamum" },
+    ["bamumsupplement"]                            = { first = 0x16800, last = 0x16A3F,             description = "Bamum Supplement" },
+    ["basiclatin"]                                 = { first = 0x00000, last = 0x0007F, otf="latn", description = "Basic Latin" },
+    ["bassavah"]                                   = { first = 0x16AD0, last = 0x16AFF,             description = "Bassa Vah" },
+    ["batak"]                                      = { first = 0x01BC0, last = 0x01BFF,             description = "Batak" },
+    ["bengali"]                                    = { first = 0x00980, last = 0x009FF, otf="beng", description = "Bengali" },
+    ["blockelements"]                              = { first = 0x02580, last = 0x0259F, otf="bopo", description = "Block Elements" },
+    ["bopomofo"]                                   = { first = 0x03100, last = 0x0312F, otf="bopo", description = "Bopomofo" },
+    ["bopomofoextended"]                           = { first = 0x031A0, last = 0x031BF, otf="bopo", description = "Bopomofo Extended" },
+    ["boxdrawing"]                                 = { first = 0x02500, last = 0x0257F,             description = "Box Drawing" },
+    ["brahmi"]                                     = { first = 0x11000, last = 0x1107F,             description = "Brahmi" },
+    ["braillepatterns"]                            = { first = 0x02800, last = 0x028FF, otf="brai", description = "Braille Patterns" },
+    ["buginese"]                                   = { first = 0x01A00, last = 0x01A1F, otf="bugi", description = "Buginese" },
+    ["buhid"]                                      = { first = 0x01740, last = 0x0175F, otf="buhd", description = "Buhid" },
+    ["byzantinemusicalsymbols"]                    = { first = 0x1D000, last = 0x1D0FF, otf="byzm", description = "Byzantine Musical Symbols" },
+    ["carian"]                                     = { first = 0x102A0, last = 0x102DF,             description = "Carian" },
+    ["caucasianalbanian"]                          = { first = 0x10530, last = 0x1056F,             description = "Caucasian Albanian" },
+    ["chakma"]                                     = { first = 0x11100, last = 0x1114F,             description = "Chakma" },
+    ["cham"]                                       = { first = 0x0AA00, last = 0x0AA5F,             description = "Cham" },
+    ["cherokee"]                                   = { first = 0x013A0, last = 0x013FF, otf="cher", description = "Cherokee" },
+    ["cherokeesupplement"]                         = { first = 0x0AB70, last = 0x0ABBF,             description = "Cherokee Supplement" },
+    ["cjkcompatibility"]                           = { first = 0x03300, last = 0x033FF, otf="hang", description = "CJK Compatibility" },
+    ["cjkcompatibilityforms"]                      = { first = 0x0FE30, last = 0x0FE4F, otf="hang", description = "CJK Compatibility Forms" },
+    ["cjkcompatibilityideographs"]                 = { first = 0x0F900, last = 0x0FAFF, otf="hang", description = "CJK Compatibility Ideographs" },
+    ["cjkcompatibilityideographssupplement"]       = { first = 0x2F800, last = 0x2FA1F, otf="hang", description = "CJK Compatibility Ideographs Supplement" },
+    ["cjkradicalssupplement"]                      = { first = 0x02E80, last = 0x02EFF, otf="hang", description = "CJK Radicals Supplement" },
+    ["cjkstrokes"]                                 = { first = 0x031C0, last = 0x031EF, otf="hang", description = "CJK Strokes" },
+    ["cjksymbolsandpunctuation"]                   = { first = 0x03000, last = 0x0303F, otf="hang", description = "CJK Symbols and Punctuation" },
+    ["cjkunifiedideographs"]                       = { first = 0x04E00, last = 0x09FFF, otf="hang", description = "CJK Unified Ideographs", catcode = "letter" },
+    ["cjkunifiedideographsextensiona"]             = { first = 0x03400, last = 0x04DBF, otf="hang", description = "CJK Unified Ideographs Extension A" },
+    ["cjkunifiedideographsextensionb"]             = { first = 0x20000, last = 0x2A6DF, otf="hang", description = "CJK Unified Ideographs Extension B" },
+    ["cjkunifiedideographsextensionc"]             = { first = 0x2A700, last = 0x2B73F,             description = "CJK Unified Ideographs Extension C" },
+    ["cjkunifiedideographsextensiond"]             = { first = 0x2B740, last = 0x2B81F,             description = "CJK Unified Ideographs Extension D" },
+    ["cjkunifiedideographsextensione"]             = { first = 0x2B820, last = 0x2CEAF,             description = "CJK Unified Ideographs Extension E" },
+    ["combiningdiacriticalmarks"]                  = { first = 0x00300, last = 0x0036F,             description = "Combining Diacritical Marks" },
+    ["combiningdiacriticalmarksextended"]          = { first = 0x01AB0, last = 0x01AFF,             description = "Combining Diacritical Marks Extended" },
+    ["combiningdiacriticalmarksforsymbols"]        = { first = 0x020D0, last = 0x020FF,             description = "Combining Diacritical Marks for Symbols" },
+    ["combiningdiacriticalmarkssupplement"]        = { first = 0x01DC0, last = 0x01DFF,             description = "Combining Diacritical Marks Supplement" },
+    ["combininghalfmarks"]                         = { first = 0x0FE20, last = 0x0FE2F,             description = "Combining Half Marks" },
+    ["commonindicnumberforms"]                     = { first = 0x0A830, last = 0x0A83F,             description = "Common Indic Number Forms" },
+    ["controlpictures"]                            = { first = 0x02400, last = 0x0243F,             description = "Control Pictures" },
+    ["coptic"]                                     = { first = 0x02C80, last = 0x02CFF, otf="copt", description = "Coptic" },
+    ["copticepactnumbers"]                         = { first = 0x102E0, last = 0x102FF,             description = "Coptic Epact Numbers" },
+    ["countingrodnumerals"]                        = { first = 0x1D360, last = 0x1D37F,             description = "Counting Rod Numerals" },
+    ["cuneiform"]                                  = { first = 0x12000, last = 0x123FF, otf="xsux", description = "Cuneiform" },
+    ["cuneiformnumbersandpunctuation"]             = { first = 0x12400, last = 0x1247F, otf="xsux", description = "Cuneiform Numbers and Punctuation" },
+    ["currencysymbols"]                            = { first = 0x020A0, last = 0x020CF,             description = "Currency Symbols" },
+    ["cypriotsyllabary"]                           = { first = 0x10800, last = 0x1083F, otf="cprt", description = "Cypriot Syllabary" },
+    ["cyrillic"]                                   = { first = 0x00400, last = 0x004FF, otf="cyrl", description = "Cyrillic" },
+    ["cyrillicextendeda"]                          = { first = 0x02DE0, last = 0x02DFF, otf="cyrl", description = "Cyrillic Extended-A" },
+    ["cyrillicextendedb"]                          = { first = 0x0A640, last = 0x0A69F, otf="cyrl", description = "Cyrillic Extended-B" },
+    ["cyrillicsupplement"]                         = { first = 0x00500, last = 0x0052F, otf="cyrl", description = "Cyrillic Supplement" },
+    ["deseret"]                                    = { first = 0x10400, last = 0x1044F, otf="dsrt", description = "Deseret" },
+    ["devanagari"]                                 = { first = 0x00900, last = 0x0097F, otf="deva", description = "Devanagari" },
+    ["devanagariextended"]                         = { first = 0x0A8E0, last = 0x0A8FF,             description = "Devanagari Extended" },
+    ["digitsarabicindic"]                          = { first = 0x00660, last = 0x00669, math = true },
+ -- ["digitsbengali"]                              = { first = 0x009E6, last = 0x009EF, math = true },
+    ["digitsbold"]                                 = { first = 0x1D7CE, last = 0x1D7D8, math = true },
+ -- ["digitsdevanagari"]                           = { first = 0x00966, last = 0x0096F, math = true },
+    ["digitsdoublestruck"]                         = { first = 0x1D7D8, last = 0x1D7E2, math = true },
+ -- ["digitsethiopic"]                             = { first = 0x01369, last = 0x01371, math = true },
+    ["digitsextendedarabicindic"]                  = { first = 0x006F0, last = 0x006F9, math = true },
+ -- ["digitsgujarati"]                             = { first = 0x00AE6, last = 0x00AEF, math = true },
+ -- ["digitsgurmukhi"]                             = { first = 0x00A66, last = 0x00A6F, math = true },
+ -- ["digitskannada"]                              = { first = 0x00CE6, last = 0x00CEF, math = true },
+ -- ["digitskhmer"]                                = { first = 0x017E0, last = 0x017E9, math = true },
+ -- ["digitslao"]                                  = { first = 0x00ED0, last = 0x00ED9, math = true },
+    ["digitslatin"]                                = { first = 0x00030, last = 0x00039, math = true },
+ -- ["digitsmalayalam"]                            = { first = 0x00D66, last = 0x00D6F, math = true },
+ -- ["digitsmongolian"]                            = { first = 0x01810, last = 0x01809, math = true },
+    ["digitsmonospace"]                            = { first = 0x1D7F6, last = 0x1D80F, math = true },
+ -- ["digitsmyanmar"]                              = { first = 0x01040, last = 0x01049, math = true },
+    ["digitsnormal"]                               = { first = 0x00030, last = 0x00039, math = true },
+ -- ["digitsoriya"]                                = { first = 0x00B66, last = 0x00B6F, math = true },
+    ["digitssansserifbold"]                        = { first = 0x1D7EC, last = 0x1D805, math = true },
+    ["digitssansserifnormal"]                      = { first = 0x1D7E2, last = 0x1D7EC, math = true },
+ -- ["digitstamil"]                                = { first = 0x00030, last = 0x00039, math = true }, -- no zero
+ -- ["digitstelugu"]                               = { first = 0x00C66, last = 0x00C6F, math = true },
+ -- ["digitsthai"]                                 = { first = 0x00E50, last = 0x00E59, math = true },
+ -- ["digitstibetan"]                              = { first = 0x00F20, last = 0x00F29, math = true },
+    ["dingbats"]                                   = { first = 0x02700, last = 0x027BF,              description = "Dingbats" },
+    ["dominotiles"]                                = { first = 0x1F030, last = 0x1F09F,              description = "Domino Tiles" },
+    ["duployan"]                                   = { first = 0x1BC00, last = 0x1BC9F,              description = "Duployan" },
+    ["earlydynasticcuneiform"]                     = { first = 0x12480, last = 0x1254F,              description = "Early Dynastic Cuneiform" },
+    ["egyptianhieroglyphs"]                        = { first = 0x13000, last = 0x1342F,              description = "Egyptian Hieroglyphs" },
+    ["elbasan"]                                    = { first = 0x10500, last = 0x1052F,              description = "Elbasan" },
+    ["emoticons"]                                  = { first = 0x1F600, last = 0x1F64F,              description = "Emoticons" },
+    ["enclosedalphanumerics"]                      = { first = 0x02460, last = 0x024FF,              description = "Enclosed Alphanumerics" },
+    ["enclosedalphanumericsupplement"]             = { first = 0x1F100, last = 0x1F1FF,              description = "Enclosed Alphanumeric Supplement" },
+    ["enclosedcjklettersandmonths"]                = { first = 0x03200, last = 0x032FF,              description = "Enclosed CJK Letters and Months" },
+    ["enclosedideographicsupplement"]              = { first = 0x1F200, last = 0x1F2FF,              description = "Enclosed Ideographic Supplement" },
+    ["ethiopic"]                                   = { first = 0x01200, last = 0x0137F, otf="ethi",  description = "Ethiopic" },
+    ["ethiopicextended"]                           = { first = 0x02D80, last = 0x02DDF, otf="ethi",  description = "Ethiopic Extended" },
+    ["ethiopicextendeda"]                          = { first = 0x0AB00, last = 0x0AB2F,              description = "Ethiopic Extended-A" },
+    ["ethiopicsupplement"]                         = { first = 0x01380, last = 0x0139F, otf="ethi",  description = "Ethiopic Supplement" },
+    ["generalpunctuation"]                         = { first = 0x02000, last = 0x0206F,              description = "General Punctuation" },
+    ["geometricshapes"]                            = { first = 0x025A0, last = 0x025FF, math = true, description = "Geometric Shapes" },
+    ["geometricshapesextended"]                    = { first = 0x1F780, last = 0x1F7FF,              description = "Geometric Shapes Extended" },
+    ["georgian"]                                   = { first = 0x010A0, last = 0x010FF, otf="geor",  description = "Georgian" },
+    ["georgiansupplement"]                         = { first = 0x02D00, last = 0x02D2F, otf="geor",  description = "Georgian Supplement" },
+    ["glagolitic"]                                 = { first = 0x02C00, last = 0x02C5F, otf="glag",  description = "Glagolitic" },
+    ["gothic"]                                     = { first = 0x10330, last = 0x1034F, otf="goth",  description = "Gothic" },
+    ["grantha"]                                    = { first = 0x11300, last = 0x1137F,              description = "Grantha" },
+    ["greekandcoptic"]                             = { first = 0x00370, last = 0x003FF, otf="grek",  description = "Greek and Coptic" },
+    ["greekextended"]                              = { first = 0x01F00, last = 0x01FFF, otf="grek",  description = "Greek Extended" },
+    ["gujarati"]                                   = { first = 0x00A80, last = 0x00AFF, otf="gujr",  description = "Gujarati" },
+    ["gurmukhi"]                                   = { first = 0x00A00, last = 0x00A7F, otf="guru",  description = "Gurmukhi" },
+    ["halfwidthandfullwidthforms"]                 = { first = 0x0FF00, last = 0x0FFEF,              description = "Halfwidth and Fullwidth Forms" },
+    ["hangulcompatibilityjamo"]                    = { first = 0x03130, last = 0x0318F, otf="jamo",  description = "Hangul Compatibility Jamo" },
+    ["hanguljamo"]                                 = { first = 0x01100, last = 0x011FF, otf="jamo",  description = "Hangul Jamo" },
+    ["hanguljamoextendeda"]                        = { first = 0x0A960, last = 0x0A97F,              description = "Hangul Jamo Extended-A" },
+    ["hanguljamoextendedb"]                        = { first = 0x0D7B0, last = 0x0D7FF,              description = "Hangul Jamo Extended-B" },
+    ["hangulsyllables"]                            = { first = 0x0AC00, last = 0x0D7AF, otf="hang",  description = "Hangul Syllables" },
+    ["hanunoo"]                                    = { first = 0x01720, last = 0x0173F, otf="hano",  description = "Hanunoo" },
+    ["hatran"]                                     = { first = 0x108E0, last = 0x108FF,              description = "Hatran" },
+    ["hebrew"]                                     = { first = 0x00590, last = 0x005FF, otf="hebr",  description = "Hebrew" },
+    ["highprivateusesurrogates"]                   = { first = 0x0DB80, last = 0x0DBFF,              description = "High Private Use Surrogates" },
+    ["highsurrogates"]                             = { first = 0x0D800, last = 0x0DB7F,              description = "High Surrogates" },
+    ["hiragana"]                                   = { first = 0x03040, last = 0x0309F, otf="kana",  description = "Hiragana" },
+    ["ideographicdescriptioncharacters"]           = { first = 0x02FF0, last = 0x02FFF,              description = "Ideographic Description Characters" },
+    ["imperialaramaic"]                            = { first = 0x10840, last = 0x1085F,              description = "Imperial Aramaic" },
+    ["inscriptionalpahlavi"]                       = { first = 0x10B60, last = 0x10B7F,              description = "Inscriptional Pahlavi" },
+    ["inscriptionalparthian"]                      = { first = 0x10B40, last = 0x10B5F,              description = "Inscriptional Parthian" },
+    ["ipaextensions"]                              = { first = 0x00250, last = 0x002AF,              description = "IPA Extensions" },
+    ["javanese"]                                   = { first = 0x0A980, last = 0x0A9DF,              description = "Javanese" },
+    ["kaithi"]                                     = { first = 0x11080, last = 0x110CF,              description = "Kaithi" },
+    ["kanasupplement"]                             = { first = 0x1B000, last = 0x1B0FF,              description = "Kana Supplement" },
+    ["kanbun"]                                     = { first = 0x03190, last = 0x0319F,              description = "Kanbun" },
+    ["kangxiradicals"]                             = { first = 0x02F00, last = 0x02FDF,              description = "Kangxi Radicals" },
+    ["kannada"]                                    = { first = 0x00C80, last = 0x00CFF, otf="knda",  description = "Kannada" },
+    ["katakana"]                                   = { first = 0x030A0, last = 0x030FF, otf="kana",  description = "Katakana" },
+    ["katakanaphoneticextensions"]                 = { first = 0x031F0, last = 0x031FF, otf="kana",  description = "Katakana Phonetic Extensions" },
+    ["kayahli"]                                    = { first = 0x0A900, last = 0x0A92F,              description = "Kayah Li" },
+    ["kharoshthi"]                                 = { first = 0x10A00, last = 0x10A5F, otf="khar",  description = "Kharoshthi" },
+    ["khmer"]                                      = { first = 0x01780, last = 0x017FF, otf="khmr",  description = "Khmer" },
+    ["khmersymbols"]                               = { first = 0x019E0, last = 0x019FF, otf="khmr",  description = "Khmer Symbols" },
+    ["khojki"]                                     = { first = 0x11200, last = 0x1124F,              description = "Khojki" },
+    ["khudawadi"]                                  = { first = 0x112B0, last = 0x112FF,              description = "Khudawadi" },
+    ["lao"]                                        = { first = 0x00E80, last = 0x00EFF, otf="lao",   description = "Lao" },
+    ["latinextendeda"]                             = { first = 0x00100, last = 0x0017F, otf="latn",  description = "Latin Extended-A" },
+    ["latinextendedadditional"]                    = { first = 0x01E00, last = 0x01EFF, otf="latn",  description = "Latin Extended Additional" },
+    ["latinextendedb"]                             = { first = 0x00180, last = 0x0024F, otf="latn",  description = "Latin Extended-B" },
+    ["latinextendedc"]                             = { first = 0x02C60, last = 0x02C7F, otf="latn",  description = "Latin Extended-C" },
+    ["latinextendedd"]                             = { first = 0x0A720, last = 0x0A7FF, otf="latn",  description = "Latin Extended-D" },
+    ["latinextendede"]                             = { first = 0x0AB30, last = 0x0AB6F,              description = "Latin Extended-E" },
+    ["latinsupplement"]                            = { first = 0x00080, last = 0x000FF, otf="latn",  description = "Latin-1 Supplement" },
+    ["lepcha"]                                     = { first = 0x01C00, last = 0x01C4F,              description = "Lepcha" },
+    ["letterlikesymbols"]                          = { first = 0x02100, last = 0x0214F, math = true, description = "Letterlike Symbols" },
+    ["limbu"]                                      = { first = 0x01900, last = 0x0194F, otf="limb",  description = "Limbu" },
+    ["lineara"]                                    = { first = 0x10600, last = 0x1077F,              description = "Linear A" },
+    ["linearbideograms"]                           = { first = 0x10080, last = 0x100FF, otf="linb",  description = "Linear B Ideograms" },
+    ["linearbsyllabary"]                           = { first = 0x10000, last = 0x1007F, otf="linb",  description = "Linear B Syllabary" },
+    ["lisu"]                                       = { first = 0x0A4D0, last = 0x0A4FF,              description = "Lisu" },
+    ["lowercasebold"]                              = { first = 0x1D41A, last = 0x1D433, math = true },
+    ["lowercaseboldfraktur"]                       = { first = 0x1D586, last = 0x1D59F, math = true },
+    ["lowercasebolditalic"]                        = { first = 0x1D482, last = 0x1D49B, math = true },
+    ["lowercaseboldscript"]                        = { first = 0x1D4EA, last = 0x1D503, math = true },
+    ["lowercasedoublestruck"]                      = { first = 0x1D552, last = 0x1D56B, math = true },
+    ["lowercasefraktur"]                           = { first = 0x1D51E, last = 0x1D537, math = true },
+    ["lowercasegreekbold"]                         = { first = 0x1D6C2, last = 0x1D6DB, math = true },
+    ["lowercasegreekbolditalic"]                   = { first = 0x1D736, last = 0x1D74F, math = true },
+    ["lowercasegreekitalic"]                       = { first = 0x1D6FC, last = 0x1D715, math = true },
+    ["lowercasegreeknormal"]                       = { first = 0x003B1, last = 0x003CA, math = true },
+    ["lowercasegreeksansserifbold"]                = { first = 0x1D770, last = 0x1D789, math = true },
+    ["lowercasegreeksansserifbolditalic"]          = { first = 0x1D7AA, last = 0x1D7C3, math = true },
+    ["lowercaseitalic"]                            = { first = 0x1D44E, last = 0x1D467, math = true },
+    ["lowercasemonospace"]                         = { first = 0x1D68A, last = 0x1D6A3, math = true },
+    ["lowercasenormal"]                            = { first = 0x00061, last = 0x0007A, math = true },
+    ["lowercasesansserifbold"]                     = { first = 0x1D5EE, last = 0x1D607, math = true },
+    ["lowercasesansserifbolditalic"]               = { first = 0x1D656, last = 0x1D66F, math = true },
+    ["lowercasesansserifitalic"]                   = { first = 0x1D622, last = 0x1D63B, math = true },
+    ["lowercasesansserifnormal"]                   = { first = 0x1D5BA, last = 0x1D5D3, math = true },
+    ["lowercasescript"]                            = { first = 0x1D4B6, last = 0x1D4CF, math = true },
+    ["lowsurrogates"]                              = { first = 0x0DC00, last = 0x0DFFF,              description = "Low Surrogates" },
+    ["lycian"]                                     = { first = 0x10280, last = 0x1029F,              description = "Lycian" },
+    ["lydian"]                                     = { first = 0x10920, last = 0x1093F,              description = "Lydian" },
+    ["mahajani"]                                   = { first = 0x11150, last = 0x1117F,              description = "Mahajani" },
+    ["mahjongtiles"]                               = { first = 0x1F000, last = 0x1F02F,              description = "Mahjong Tiles" },
+    ["malayalam"]                                  = { first = 0x00D00, last = 0x00D7F, otf="mlym",  description = "Malayalam" },
+    ["mandaic"]                                    = { first = 0x00840, last = 0x0085F, otf="mand",  description = "Mandaic" },
+    ["manichaean"]                                 = { first = 0x10AC0, last = 0x10AFF,              description = "Manichaean" },
+    ["mathematicalalphanumericsymbols"]            = { first = 0x1D400, last = 0x1D7FF, math = true, description = "Mathematical Alphanumeric Symbols" },
+    ["mathematicaloperators"]                      = { first = 0x02200, last = 0x022FF, math = true, description = "Mathematical Operators" },
+    ["meeteimayek"]                                = { first = 0x0ABC0, last = 0x0ABFF,              description = "Meetei Mayek" },
+    ["meeteimayekextensions"]                      = { first = 0x0AAE0, last = 0x0AAFF,              description = "Meetei Mayek Extensions" },
+    ["mendekikakui"]                               = { first = 0x1E800, last = 0x1E8DF,              description = "Mende Kikakui" },
+    ["meroiticcursive"]                            = { first = 0x109A0, last = 0x109FF,              description = "Meroitic Cursive" },
+    ["meroitichieroglyphs"]                        = { first = 0x10980, last = 0x1099F,              description = "Meroitic Hieroglyphs" },
+    ["miao"]                                       = { first = 0x16F00, last = 0x16F9F,              description = "Miao" },
+    ["miscellaneousmathematicalsymbolsa"]          = { first = 0x027C0, last = 0x027EF, math = true, description = "Miscellaneous Mathematical Symbols-A" },
+    ["miscellaneousmathematicalsymbolsb"]          = { first = 0x02980, last = 0x029FF, math = true, description = "Miscellaneous Mathematical Symbols-B" },
+    ["miscellaneoussymbols"]                       = { first = 0x02600, last = 0x026FF, math = true, description = "Miscellaneous Symbols" },
+    ["miscellaneoussymbolsandarrows"]              = { first = 0x02B00, last = 0x02BFF, math = true, description = "Miscellaneous Symbols and Arrows" },
+    ["miscellaneoussymbolsandpictographs"]         = { first = 0x1F300, last = 0x1F5FF,              description = "Miscellaneous Symbols and Pictographs" },
+    ["miscellaneoustechnical"]                     = { first = 0x02300, last = 0x023FF, math = true, description = "Miscellaneous Technical" },
+    ["modi"]                                       = { first = 0x11600, last = 0x1165F,              description = "Modi" },
+    ["modifiertoneletters"]                        = { first = 0x0A700, last = 0x0A71F,              description = "Modifier Tone Letters" },
+    ["mongolian"]                                  = { first = 0x01800, last = 0x018AF, otf="mong",  description = "Mongolian" },
+    ["mro"]                                        = { first = 0x16A40, last = 0x16A6F,              description = "Mro" },
+    ["multani"]                                    = { first = 0x11280, last = 0x112AF,              description = "Multani" },
+    ["musicalsymbols"]                             = { first = 0x1D100, last = 0x1D1FF, otf="musc",  description = "Musical Symbols" },
+    ["myanmar"]                                    = { first = 0x01000, last = 0x0109F, otf="mymr",  description = "Myanmar" },
+    ["myanmarextendeda"]                           = { first = 0x0AA60, last = 0x0AA7F,              description = "Myanmar Extended-A" },
+    ["myanmarextendedb"]                           = { first = 0x0A9E0, last = 0x0A9FF,              description = "Myanmar Extended-B" },
+    ["nabataean"]                                  = { first = 0x10880, last = 0x108AF,              description = "Nabataean" },
+    ["newtailue"]                                  = { first = 0x01980, last = 0x019DF,              description = "New Tai Lue" },
+    ["nko"]                                        = { first = 0x007C0, last = 0x007FF, otf="nko",   description = "NKo" },
+    ["numberforms"]                                = { first = 0x02150, last = 0x0218F,              description = "Number Forms" },
+    ["ogham"]                                      = { first = 0x01680, last = 0x0169F, otf="ogam",  description = "Ogham" },
+    ["olchiki"]                                    = { first = 0x01C50, last = 0x01C7F,              description = "Ol Chiki" },
+    ["oldhungarian"]                               = { first = 0x10C80, last = 0x10CFF,              description = "Old Hungarian" },
+    ["olditalic"]                                  = { first = 0x10300, last = 0x1032F, otf="ital",  description = "Old Italic" },
+    ["oldnortharabian"]                            = { first = 0x10A80, last = 0x10A9F,              description = "Old North Arabian" },
+    ["oldpermic"]                                  = { first = 0x10350, last = 0x1037F,              description = "Old Permic" },
+    ["oldpersian"]                                 = { first = 0x103A0, last = 0x103DF, otf="xpeo",  description = "Old Persian" },
+    ["oldsoutharabian"]                            = { first = 0x10A60, last = 0x10A7F,              description = "Old South Arabian" },
+    ["oldturkic"]                                  = { first = 0x10C00, last = 0x10C4F,              description = "Old Turkic" },
+    ["opticalcharacterrecognition"]                = { first = 0x02440, last = 0x0245F,              description = "Optical Character Recognition" },
+    ["oriya"]                                      = { first = 0x00B00, last = 0x00B7F, otf="orya",  description = "Oriya" },
+    ["ornamentaldingbats"]                         = { first = 0x1F650, last = 0x1F67F,              description = "Ornamental Dingbats" },
+    ["osmanya"]                                    = { first = 0x10480, last = 0x104AF, otf="osma",  description = "Osmanya" },
+    ["pahawhhmong"]                                = { first = 0x16B00, last = 0x16B8F,              description = "Pahawh Hmong" },
+    ["palmyrene"]                                  = { first = 0x10860, last = 0x1087F,              description = "Palmyrene" },
+    ["paucinhau"]                                  = { first = 0x11AC0, last = 0x11AFF,              description = "Pau Cin Hau" },
+    ["phagspa"]                                    = { first = 0x0A840, last = 0x0A87F, otf="phag",  description = "Phags-pa" },
+    ["phaistosdisc"]                               = { first = 0x101D0, last = 0x101FF,              description = "Phaistos Disc" },
+    ["phoenician"]                                 = { first = 0x10900, last = 0x1091F, otf="phnx",  description = "Phoenician" },
+    ["phoneticextensions"]                         = { first = 0x01D00, last = 0x01D7F,              description = "Phonetic Extensions" },
+    ["phoneticextensionssupplement"]               = { first = 0x01D80, last = 0x01DBF,              description = "Phonetic Extensions Supplement" },
+    ["playingcards"]                               = { first = 0x1F0A0, last = 0x1F0FF,              description = "Playing Cards" },
+    ["privateusearea"]                             = { first = 0x0E000, last = 0x0F8FF,              description = "Private Use Area" },
+    ["psalterpahlavi"]                             = { first = 0x10B80, last = 0x10BAF,              description = "Psalter Pahlavi" },
+    ["rejang"]                                     = { first = 0x0A930, last = 0x0A95F,              description = "Rejang" },
+    ["ruminumeralsymbols"]                         = { first = 0x10E60, last = 0x10E7F,              description = "Rumi Numeral Symbols" },
+    ["runic"]                                      = { first = 0x016A0, last = 0x016FF, otf="runr",  description = "Runic" },
+    ["samaritan"]                                  = { first = 0x00800, last = 0x0083F,              description = "Samaritan" },
+    ["saurashtra"]                                 = { first = 0x0A880, last = 0x0A8DF,              description = "Saurashtra" },
+    ["sharada"]                                    = { first = 0x11180, last = 0x111DF,              description = "Sharada" },
+    ["shavian"]                                    = { first = 0x10450, last = 0x1047F, otf="shaw",  description = "Shavian" },
+    ["shorthandformatcontrols"]                    = { first = 0x1BCA0, last = 0x1BCAF,              description = "Shorthand Format Controls" },
+    ["siddham"]                                    = { first = 0x11580, last = 0x115FF,              description = "Siddham" },
+    ["sinhala"]                                    = { first = 0x00D80, last = 0x00DFF, otf="sinh",  description = "Sinhala" },
+    ["sinhalaarchaicnumbers"]                      = { first = 0x111E0, last = 0x111FF,              description = "Sinhala Archaic Numbers" },
+    ["smallformvariants"]                          = { first = 0x0FE50, last = 0x0FE6F,              description = "Small Form Variants" },
+    ["sorasompeng"]                                = { first = 0x110D0, last = 0x110FF,              description = "Sora Sompeng" },
+    ["spacingmodifierletters"]                     = { first = 0x002B0, last = 0x002FF,              description = "Spacing Modifier Letters" },
+    ["specials"]                                   = { first = 0x0FFF0, last = 0x0FFFF,              description = "Specials" },
+    ["sundanese"]                                  = { first = 0x01B80, last = 0x01BBF,              description = "Sundanese" },
+    ["sundanesesupplement"]                        = { first = 0x01CC0, last = 0x01CCF,              description = "Sundanese Supplement" },
+    ["superscriptsandsubscripts"]                  = { first = 0x02070, last = 0x0209F,              description = "Superscripts and Subscripts" },
+    ["supplementalarrowsa"]                        = { first = 0x027F0, last = 0x027FF, math = true, description = "Supplemental Arrows-A" },
+    ["supplementalarrowsb"]                        = { first = 0x02900, last = 0x0297F, math = true, description = "Supplemental Arrows-B" },
+    ["supplementalarrowsc"]                        = { first = 0x1F800, last = 0x1F8FF, math = true, description = "Supplemental Arrows-C" },
+    ["supplementalmathematicaloperators"]          = { first = 0x02A00, last = 0x02AFF, math = true, description = "Supplemental Mathematical Operators" },
+    ["supplementalpunctuation"]                    = { first = 0x02E00, last = 0x02E7F,              description = "Supplemental Punctuation" },
+    ["supplementalsymbolsandpictographs"]          = { first = 0x1F900, last = 0x1F9FF,              description = "Supplemental Symbols and Pictographs" },
+    ["supplementaryprivateuseareaa"]               = { first = 0xF0000, last = 0xFFFFF,              description = "Supplementary Private Use Area-A" },
+    ["supplementaryprivateuseareab"]               = { first = 0x100000,last = 0x10FFFF,             description = "Supplementary Private Use Area-B" },
+    ["suttonsignwriting"]                          = { first = 0x1D800, last = 0x1DAAF,              description = "Sutton SignWriting" },
+    ["sylotinagri"]                                = { first = 0x0A800, last = 0x0A82F, otf="sylo",  description = "Syloti Nagri" },
+    ["syriac"]                                     = { first = 0x00700, last = 0x0074F, otf="syrc",  description = "Syriac" },
+    ["tagalog"]                                    = { first = 0x01700, last = 0x0171F, otf="tglg",  description = "Tagalog" },
+    ["tagbanwa"]                                   = { first = 0x01760, last = 0x0177F, otf="tagb",  description = "Tagbanwa" },
+    ["tags"]                                       = { first = 0xE0000, last = 0xE007F,              description = "Tags" },
+    ["taile"]                                      = { first = 0x01950, last = 0x0197F, otf="tale",  description = "Tai Le" },
+    ["taitham"]                                    = { first = 0x01A20, last = 0x01AAF,              description = "Tai Tham" },
+    ["taiviet"]                                    = { first = 0x0AA80, last = 0x0AADF,              description = "Tai Viet" },
+    ["taixuanjingsymbols"]                         = { first = 0x1D300, last = 0x1D35F,              description = "Tai Xuan Jing Symbols" },
+    ["takri"]                                      = { first = 0x11680, last = 0x116CF,              description = "Takri" },
+    ["tamil"]                                      = { first = 0x00B80, last = 0x00BFF, otf="taml",  description = "Tamil" },
+    ["telugu"]                                     = { first = 0x00C00, last = 0x00C7F, otf="telu",  description = "Telugu" },
+    ["thaana"]                                     = { first = 0x00780, last = 0x007BF, otf="thaa",  description = "Thaana" },
+    ["thai"]                                       = { first = 0x00E00, last = 0x00E7F, otf="thai",  description = "Thai" },
+    ["tibetan"]                                    = { first = 0x00F00, last = 0x00FFF, otf="tibt",  description = "Tibetan" },
+    ["tifinagh"]                                   = { first = 0x02D30, last = 0x02D7F, otf="tfng",  description = "Tifinagh" },
+    ["tirhuta"]                                    = { first = 0x11480, last = 0x114DF,              description = "Tirhuta" },
+    ["transportandmapsymbols"]                     = { first = 0x1F680, last = 0x1F6FF,              description = "Transport and Map Symbols" },
+    ["ugaritic"]                                   = { first = 0x10380, last = 0x1039F, otf="ugar",  description = "Ugaritic" },
+    ["unifiedcanadianaboriginalsyllabics"]         = { first = 0x01400, last = 0x0167F, otf="cans",  description = "Unified Canadian Aboriginal Syllabics" },
+    ["unifiedcanadianaboriginalsyllabicsextended"] = { first = 0x018B0, last = 0x018FF,              description = "Unified Canadian Aboriginal Syllabics Extended" },
+    ["uppercasebold"]                              = { first = 0x1D400, last = 0x1D419, math = true },
+    ["uppercaseboldfraktur"]                       = { first = 0x1D56C, last = 0x1D585, math = true },
+    ["uppercasebolditalic"]                        = { first = 0x1D468, last = 0x1D481, math = true },
+    ["uppercaseboldscript"]                        = { first = 0x1D4D0, last = 0x1D4E9, math = true },
+    ["uppercasedoublestruck"]                      = { first = 0x1D538, last = 0x1D551, math = true },
+    ["uppercasefraktur"]                           = { first = 0x1D504, last = 0x1D51D, math = true },
+    ["uppercasegreekbold"]                         = { first = 0x1D6A8, last = 0x1D6C1, math = true },
+    ["uppercasegreekbolditalic"]                   = { first = 0x1D71C, last = 0x1D735, math = true },
+    ["uppercasegreekitalic"]                       = { first = 0x1D6E2, last = 0x1D6FB, math = true },
+    ["uppercasegreeknormal"]                       = { first = 0x00391, last = 0x003AA, math = true },
+    ["uppercasegreeksansserifbold"]                = { first = 0x1D756, last = 0x1D76F, math = true },
+    ["uppercasegreeksansserifbolditalic"]          = { first = 0x1D790, last = 0x1D7A9, math = true },
+    ["uppercaseitalic"]                            = { first = 0x1D434, last = 0x1D44D, math = true },
+    ["uppercasemonospace"]                         = { first = 0x1D670, last = 0x1D689, math = true },
+    ["uppercasenormal"]                            = { first = 0x00041, last = 0x0005A, math = true },
+    ["uppercasesansserifbold"]                     = { first = 0x1D5D4, last = 0x1D5ED, math = true },
+    ["uppercasesansserifbolditalic"]               = { first = 0x1D63C, last = 0x1D655, math = true },
+    ["uppercasesansserifitalic"]                   = { first = 0x1D608, last = 0x1D621, math = true },
+    ["uppercasesansserifnormal"]                   = { first = 0x1D5A0, last = 0x1D5B9, math = true },
+    ["uppercasescript"]                            = { first = 0x1D49C, last = 0x1D4B5, math = true },
+    ["vai"]                                        = { first = 0x0A500, last = 0x0A63F,              description = "Vai" },
+    ["variationselectors"]                         = { first = 0x0FE00, last = 0x0FE0F,              description = "Variation Selectors" },
+    ["variationselectorssupplement"]               = { first = 0xE0100, last = 0xE01EF,              description = "Variation Selectors Supplement" },
+    ["vedicextensions"]                            = { first = 0x01CD0, last = 0x01CFF,              description = "Vedic Extensions" },
+    ["verticalforms"]                              = { first = 0x0FE10, last = 0x0FE1F,              description = "Vertical Forms" },
+    ["warangciti"]                                 = { first = 0x118A0, last = 0x118FF,              description = "Warang Citi" },
+    ["yijinghexagramsymbols"]                      = { first = 0x04DC0, last = 0x04DFF, otf="yi",    description = "Yijing Hexagram Symbols" },
+    ["yiradicals"]                                 = { first = 0x0A490, last = 0x0A4CF, otf="yi",    description = "Yi Radicals" },
+    ["yisyllables"]                                = { first = 0x0A000, last = 0x0A48F, otf="yi",    description = "Yi Syllables" },
+}
+
+characters.blocks = blocks
+
+function characters.blockrange(name)
+    local b = blocks[name]
+    if b then
+        return b.first, b.last
+    else
+        return 0, 0
+    end
+end
+
+setmetatableindex(blocks, function(t,k) -- we could use an intermediate table if called often
+    return k and rawget(t,lower(gsub(k,"[^a-zA-Z]","")))
+end)
+
+local otfscripts      = utilities.storage.allocate()
+characters.otfscripts = otfscripts
+
+setmetatableindex(otfscripts,function(t,unicode)
+    for k, v in next, blocks do
+        local first, last = v.first, v.last
+        if unicode >= first and unicode <= last then
+            local script = v.otf or "dflt"
+            for u=first,last do
+                t[u] = script
+            end
+            return script
+        end
+    end
+    -- pretty slow when we're here
+    t[unicode] = "dflt"
+    return "dflt"
+end)
+
+local splitter = lpeg.splitat(S(":-"))
+
+function characters.getrange(name) -- used in font fallback definitions (name or range)
+    local range = blocks[name]
+    if range then
+        return range.first, range.last, range.description, range.gaps
+    end
+    name = gsub(name,'"',"0x") -- goodie: tex hex notation
+    local start, stop = lpegmatch(splitter,name)
+    if start and stop then
+        start, stop = tonumber(start,16) or tonumber(start), tonumber(stop,16) or tonumber(stop)
+        if start and stop then
+            return start, stop, nil
+        end
+    end
+    local slot = tonumber(name,16) or tonumber(name)
+    return slot, slot, nil
+end
+
+local categorytags = allocate {
+    lu = "Letter Uppercase",
+    ll = "Letter Lowercase",
+    lt = "Letter Titlecase",
+    lm = "Letter Modifier",
+    lo = "Letter Other",
+    mn = "Mark Nonspacing",
+    mc = "Mark Spacing Combining",
+    me = "Mark Enclosing",
+    nd = "Number Decimal Digit",
+    nl = "Number Letter",
+    no = "Number Other",
+    pc = "Punctuation Connector",
+    pd = "Punctuation Dash",
+    ps = "Punctuation Open",
+    pe = "Punctuation Close",
+    pi = "Punctuation Initial Quote",
+    pf = "Punctuation Final Quote",
+    po = "Punctuation Other",
+    sm = "Symbol Math",
+    sc = "Symbol Currency",
+    sk = "Symbol Modifier",
+    so = "Symbol Other",
+    zs = "Separator Space",
+    zl = "Separator Line",
+    zp = "Separator Paragraph",
+    cc = "Other Control",
+    cf = "Other Format",
+    cs = "Other Surrogate",
+    co = "Other Private Use",
+    cn = "Other Not Assigned",
+}
+
+local detailtags = allocate {
+    sl = "small letter",
+    bl = "big letter",
+    im = "iteration mark",
+    pm = "prolonged sound mark"
+}
+
+characters.categorytags = categorytags
+characters.detailtags   = detailtags
+
+-- sounds : voiced unvoiced semivoiced
+
+--~ special   : cf (softhyphen) zs (emspace)
+--~ characters: ll lm lo lt lu mn nl no pc pd pe pf pi po ps sc sk sm so
+
+local is_character = allocate ( tohash {
+    "lu","ll","lt","lm","lo",
+    "nd","nl","no",
+    "mn",
+    "nl","no",
+    "pc","pd","ps","pe","pi","pf","po",
+    "sm","sc","sk","so"
+} )
+
+local is_letter = allocate ( tohash {
+    "ll","lm","lo","lt","lu"
+} )
+
+local is_command = allocate ( tohash {
+    "cf","zs"
+} )
+
+local is_spacing = allocate ( tohash {
+    "zs", "zl","zp",
+} )
+
+local is_mark = allocate ( tohash {
+    "mn", "ms",
+} )
+
+local is_punctuation = allocate ( tohash {
+    "pc","pd","ps","pe","pi","pf","po",
+} )
+
+-- to be redone: store checked characters
+
+characters.is_character   = is_character
+characters.is_letter      = is_letter
+characters.is_command     = is_command
+characters.is_spacing     = is_spacing
+characters.is_mark        = is_mark
+characters.is_punctuation = is_punctuation
+
+local mti = function(t,k)
+    if type(k) == "number" then
+        local c = data[k].category
+        return c and rawget(t,c)
+    else
+        -- avoid auto conversion in data.characters lookups
+    end
+end
+
+setmetatableindex(characters.is_character,  mti)
+setmetatableindex(characters.is_letter,     mti)
+setmetatableindex(characters.is_command,    mti)
+setmetatableindex(characters.is_spacing,    mti)
+setmetatableindex(characters.is_punctuation,mti)
+
+-- todo: also define callers for the above
+
+-- linebreak: todo: hash
+--
+-- normative   : BK CR LF CM SG GL CB SP ZW NL WJ JL JV JT H2 H3
+-- informative : XX OP CL CP QU NS EX SY IS PR PO NU AL ID IN HY BB BA SA AI B2 HL CJ RI
+--
+-- comments taken from standard:
+
+characters.linebreaks = {
+
+    -- non-tailorable line breaking classes
+
+    ["bk"] = "mandatory break",                              -- nl, ps : cause a line break (after)
+    ["cr"] = "carriage return",                              -- cr : cause a line break (after), except between cr and lf
+    ["lf"] = "line feed",                                    -- lf : cause a line break (after)
+    ["cm"] = "combining mark",                               -- combining marks, control codes : prohibit a line break between the character and the preceding character
+    ["nl"] = "next line",                                    -- nel : cause a line break (after)
+    ["sg"] = "surrogate",                                    -- surrogates :do not occur in well-formed text
+    ["wj"] = "word joiner",                                  -- wj : prohibit line breaks before and after
+    ["zw"] = "zero width space",                             -- zwsp : provide a break opportunity
+    ["gl"] = "non-breaking (glue)",                          -- cgj, nbsp, zwnbsp : prohibit line breaks before and after
+    ["sp"] = "space",                                        -- space : enable indirect line breaks
+
+    -- break opportunities
+
+    ["b2"] = "break opportunity before and after",           -- em dash : provide a line break opportunity before and after the character
+    ["ba"] = "break after",                                  -- spaces, hyphens : generally provide a line break opportunity after the character
+    ["bb"] = "break before",                                 -- punctuation used in dictionaries : generally provide a line break opportunity before the character
+    ["hy"] = "hyphen",                                       -- hyphen-minus : provide a line break opportunity after the character, except in numeric context
+    ["cb"] = "contingent break opportunity",                 -- inline objects : provide a line break opportunity contingent on additional information
+
+    -- characters prohibiting certain breaks
+
+    ["cl"] = "close punctuation",                            -- “}”, “❳”, “⟫” etc. : prohibit line breaks before
+    ["cp"] = "close parenthesis",                            -- “)”, “]” : prohibit line breaks before
+    ["ex"] = "exclamation/interrogation",                    -- “!”, “?”, etc. : prohibit line breaks before
+    ["in"] = "inseparable",                                  -- leaders : allow only indirect line breaks between pairs
+    ["ns"] = "nonstarter",                                   -- “‼”, “‽”, “⁇”, “⁉”, etc. : allow only indirect line breaks before
+    ["op"] = "open punctuation",                             -- “(“, “[“, “{“, etc. : prohibit line breaks after
+    ["qu"] = "quotation",                                    -- quotation marks : act like they are both opening and closing
+
+    -- numeric context
+
+    ["is"] = "infix numeric separator",                      -- . , : prevent breaks after any and before numeric
+    ["nu"] = "numeric",                                      -- digits : form numeric expressions for line breaking purposes
+    ["po"] = "postfix numeric",                              -- %, ¢ : do not break following a numeric expression
+    ["pr"] = "prefix numeric",                               -- $, £, ¥, etc. : do not break in front of a numeric expression
+    ["sy"] = "symbols allowing break after",                 -- / : prevent a break before, and allow a break after
+
+    -- other characters
+
+    ["ai"] = "ambiguous (alphabetic or ideographic)",        -- characters with ambiguous east asian width : act like al when the resolved eaw is n; otherwise, act as id
+    ["al"] = "alphabetic",                                   -- alphabets and regular symbols : are alphabetic characters or symbols that are used with alphabetic characters
+    ["cj"] = "conditional japanese starter",                 -- small kana : treat as ns or id for strict or normal breaking.
+    ["h2"] = "hangul lv syllable",                           -- hangul : form korean syllable blocks
+    ["h3"] = "hangul lvt syllable",                          -- hangul : form korean syllable blocks
+    ["hl"] = "hebrew letter",                                -- hebrew : do not break around a following hyphen; otherwise act as alphabetic
+    ["id"] = "ideographic",                                  -- ideographs : break before or after, except in some numeric context
+    ["jl"] = "hangul l jamo",                                -- conjoining jamo : form korean syllable blocks
+    ["jv"] = "hangul v jamo",                                -- conjoining jamo : form korean syllable blocks
+    ["jt"] = "hangul t jamo",                                -- conjoining jamo : form korean syllable blocks
+    ["ri"] = "regional indicator",                           -- regional indicator symbol letter a .. z : keep together, break before and after from others
+    ["sa"] = "complex context dependent (south east asian)", -- south east asian: thai, lao, khmer : provide a line break opportunity contingent on additional, language-specific context analysis
+    ["xx"] = "unknown",                                      -- most unassigned, private-use : have as yet unknown line breaking behavior or unassigned code positions
+
+}
+
+-- east asian width:
+--
+-- N A H W F Na
+
+characters.bidi = allocate {
+    l   = "Left-to-Right",
+    lre = "Left-to-Right Embedding",
+    lro = "Left-to-Right Override",
+    r   = "Right-to-Left",
+    al  = "Right-to-Left Arabic",
+    rle = "Right-to-Left Embedding",
+    rlo = "Right-to-Left Override",
+    pdf = "Pop Directional Format",
+    en  = "European Number",
+    es  = "European Number Separator",
+    et  = "European Number Terminator",
+    an  = "Arabic Number",
+    cs  = "Common Number Separator",
+    nsm = "Non-Spacing Mark",
+    bn  = "Boundary Neutral",
+    b   = "Paragraph Separator",
+    s   = "Segment Separator",
+    ws  = "Whitespace",
+    on  = "Other Neutrals",
+}
+
+--[[ldx--
+<p>At this point we assume that the big data table is loaded. From this
+table we derive a few more.</p>
+--ldx]]--
+
+if not characters.fallbacks then
+
+    characters.fallbacks = {
+        [0x0308] = 0x00A8, [0x00A8] = 0x0308, -- dieresiscmb      dieresis
+        [0x0304] = 0x00AF, [0x00AF] = 0x0304, -- macroncmb        macron
+        [0x0301] = 0x00B4, [0x00B4] = 0x0301, -- acutecomb        acute
+        [0x0327] = 0x00B8, [0x00B8] = 0x0327, -- cedillacmb       cedilla
+        [0x0302] = 0x02C6, [0x02C6] = 0x0302, -- circumflexcmb    circumflex
+        [0x030C] = 0x02C7, [0x02C7] = 0x030C, -- caroncmb         caron
+        [0x0306] = 0x02D8, [0x02D8] = 0x0306, -- brevecmb         breve
+        [0x0307] = 0x02D9, [0x02D9] = 0x0307, -- dotaccentcmb     dotaccent
+        [0x030A] = 0x02DA, [0x02DA] = 0x030A, -- ringcmb          ring
+        [0x0328] = 0x02DB, [0x02DB] = 0x0328, -- ogonekcmb        ogonek
+        [0x0303] = 0x02DC, [0x02DC] = 0x0303, -- tildecomb        tilde
+        [0x030B] = 0x02DD, [0x02DD] = 0x030B, -- hungarumlautcmb  hungarumlaut
+        [0x0305] = 0x203E, [0x203E] = 0x0305, -- overlinecmb      overline
+        [0x0300] = 0x0060, [0x0060] = 0x0333, -- gravecomb        grave
+    }
+
+    -- not done (would mess up mapping):
+    --
+    -- 0X0301/0X0384 0X0314/0X1FFE 0X0313/0X1FBD 0X0313/0X1FBF 0X0342/0X1FC0
+    -- 0X3099/0X309B 0X309A/0X309C 0X0333/0X2017 0X0345/0X037A
+
+end
+
+if storage then
+    storage.register("characters/fallbacks", characters.fallbacks, "characters.fallbacks") -- accents and such
+end
+
+characters.directions  = { }
+
+setmetatableindex(characters.directions,function(t,k)
+    local d = data[k]
+    if d then
+        local v = d.direction
+        if v then
+            t[k] = v
+            return v
+        end
+    end
+    t[k] = false -- maybe 'l'
+    return v
+end)
+
+characters.mirrors  = { }
+
+setmetatableindex(characters.mirrors,function(t,k)
+    local d = data[k]
+    if d then
+        local v = d.mirror
+        if v then
+            t[k] = v
+            return v
+        end
+    end
+    t[k] = false
+    return v
+end)
+
+characters.textclasses  = { }
+
+setmetatableindex(characters.textclasses,function(t,k)
+    local d = data[k]
+    if d then
+        local v = d.textclass
+        if v then
+            t[k] = v
+            return v
+        end
+    end
+    t[k] = false
+    return v
+end)
+
+--[[ldx--
+<p>Next comes a whole series of helper methods. These are (will be) part
+of the official <l n='api'/>.</p>
+--ldx]]--
+
+-- we could make them virtual: characters.contextnames[n]
+
+function characters.contextname(n) return data[n] and data[n].contextname or "" end
+function characters.adobename  (n) return data[n] and data[n].adobename   or "" end
+function characters.description(n) return data[n] and data[n].description or "" end
+-------- characters.category   (n) return data[n] and data[n].category    or "" end
+
+function characters.category(n,verbose)
+    local c = data[n].category
+    if not c then
+        return ""
+    elseif verbose then
+        return categorytags[c]
+    else
+        return c
+    end
+end
+
+-- -- some day we will make a table .. not that many calls to utfchar
+--
+-- local utfchar = utf.char
+-- local utfbyte = utf.byte
+-- local utfbytes = { }
+-- local utfchars = { }
+--
+-- table.setmetatableindex(utfbytes,function(t,k) local v = utfchar(k) t[k] = v return v end)
+-- table.setmetatableindex(utfchars,function(t,k) local v = utfbyte(k) t[k] = v return v end)
+
+local function toutfstring(s)
+    if type(s) == "table" then
+        return utfchar(unpack(s)) -- concat { utfchar( unpack(s) ) }
+    else
+        return utfchar(s)
+    end
+end
+
+utf.tostring = toutfstring
+
+local categories = allocate()  characters.categories = categories -- lazy table
+
+setmetatableindex(categories, function(t,u) if u then local c = data[u] c = c and c.category or u t[u] = c return c end end)
+
+-- todo: overloads (these register directly in the tables as number and string) e.g. for greek
+-- todo: for string do a numeric lookup in the table itself
+
+local lccodes = allocate()  characters.lccodes = lccodes -- lazy table
+local uccodes = allocate()  characters.uccodes = uccodes -- lazy table
+local shcodes = allocate()  characters.shcodes = shcodes -- lazy table
+local fscodes = allocate()  characters.fscodes = fscodes -- lazy table
+
+setmetatableindex(lccodes, function(t,u) if u then local c = data[u] c = c and c.lccode or (type(u) == "string" and utfbyte(u)) or u t[u] = c return c end end)
+setmetatableindex(uccodes, function(t,u) if u then local c = data[u] c = c and c.uccode or (type(u) == "string" and utfbyte(u)) or u t[u] = c return c end end)
+setmetatableindex(shcodes, function(t,u) if u then local c = data[u] c = c and c.shcode or (type(u) == "string" and utfbyte(u)) or u t[u] = c return c end end)
+setmetatableindex(fscodes, function(t,u) if u then local c = data[u] c = c and c.fscode or (type(u) == "string" and utfbyte(u)) or u t[u] = c return c end end)
+
+local lcchars = allocate()  characters.lcchars = lcchars -- lazy table
+local ucchars = allocate()  characters.ucchars = ucchars -- lazy table
+local shchars = allocate()  characters.shchars = shchars -- lazy table
+local fschars = allocate()  characters.fschars = fschars -- lazy table
+
+setmetatableindex(lcchars, function(t,u) if u then local c = data[u] c = c and c.lccode c = c and toutfstring(c) or (type(u) == "number" and utfchar(u)) or u t[u] = c return c end end)
+setmetatableindex(ucchars, function(t,u) if u then local c = data[u] c = c and c.uccode c = c and toutfstring(c) or (type(u) == "number" and utfchar(u)) or u t[u] = c return c end end)
+setmetatableindex(shchars, function(t,u) if u then local c = data[u] c = c and c.shcode c = c and toutfstring(c) or (type(u) == "number" and utfchar(u)) or u t[u] = c return c end end)
+setmetatableindex(fschars, function(t,u) if u then local c = data[u] c = c and c.fscode c = c and toutfstring(c) or (type(u) == "number" and utfchar(u)) or u t[u] = c return c end end)
+
+local decomposed = allocate()  characters.decomposed = decomposed   -- lazy table
+local specials   = allocate()  characters.specials   = specials     -- lazy table
+
+setmetatableindex(decomposed, function(t,u) -- either a table or false
+    if u then
+        local c = data[u]
+        local s = c and c.decomposed or false -- could fall back to specials
+        t[u] = s
+        return s
+    end
+end)
+
+setmetatableindex(specials, function(t,u) -- either a table or false
+    if u then
+        local c = data[u]
+        local s = c and c.specials or false
+        t[u] = s
+        return s
+    end
+end)
+
+local specialchars = allocate()  characters.specialchars = specialchars -- lazy table
+local descriptions = allocate()  characters.descriptions = descriptions -- lazy table
+
+setmetatableindex(specialchars, function(t,u)
+    if u then
+        local c = data[u]
+        local s = c and c.specials
+        if s then
+            local tt, ttn = { }, 0
+            for i=2,#s do
+                local si = s[i]
+                local c = data[si]
+                if is_letter[c.category] then
+                    ttn = ttn + 1
+                    tt[ttn] = utfchar(si)
+                end
+            end
+            c = concat(tt)
+            t[u] = c
+            return c
+        else
+            if type(u) == "number" then
+                u = utfchar(u)
+            end
+            t[u] = u
+            return u
+        end
+    end
+end)
+
+setmetatableindex(descriptions, function(t,k)
+    -- 0.05 - 0.10 sec
+    for u, c in next, data do
+        local d = c.description
+        if d then
+            d = gsub(d," ","")
+            d = lower(d)
+            t[d] = u
+        end
+    end
+    local d = rawget(t,k)
+    if not d then
+        t[k] = k
+    end
+    return d
+end)
+
+function characters.unicodechar(asked)
+    local n = tonumber(asked)
+    if n then
+        return n
+    elseif type(asked) == "string" then
+        return descriptions[asked] or descriptions[gsub(asked," ","")]
+    end
+end
+
+-- function characters.lower(str)
+--     local new, n = { }, 0
+--     for u in utfvalues(str) do
+--         n = n + 1
+--         new[n] = lcchars[u]
+--     end
+--     return concat(new)
+-- end
+--
+-- function characters.upper(str)
+--     local new, n = { }, 0
+--     for u in utfvalues(str) do
+--         n = n + 1
+--         new[n] = ucchars[u]
+--     end
+--     return concat(new)
+-- end
+--
+-- function characters.shaped(str)
+--     local new, n = { }, 0
+--     for u in utfvalues(str) do
+--         n = n + 1
+--         new[n] = shchars[u]
+--     end
+--     return concat(new)
+-- end
+
+----- tolower = Cs((utf8byte/lcchars)^0)
+----- toupper = Cs((utf8byte/ucchars)^0)
+----- toshape = Cs((utf8byte/shchars)^0)
+
+local tolower = Cs((utf8character/lcchars)^0) -- no need to check spacing
+local toupper = Cs((utf8character/ucchars)^0) -- no need to check spacing
+local toshape = Cs((utf8character/shchars)^0) -- no need to check spacing
+
+lpegpatterns.tolower = tolower -- old ones ... will be overloaded
+lpegpatterns.toupper = toupper -- old ones ... will be overloaded
+lpegpatterns.toshape = toshape -- old ones ... will be overloaded
+
+-- function characters.lower (str) return lpegmatch(tolower,str) end
+-- function characters.upper (str) return lpegmatch(toupper,str) end
+-- function characters.shaped(str) return lpegmatch(toshape,str) end
+
+--     local superscripts = allocate()   characters.superscripts = superscripts
+--     local subscripts   = allocate()   characters.subscripts   = subscripts
+
+--     if storage then
+--         storage.register("characters/superscripts", superscripts, "characters.superscripts")
+--         storage.register("characters/subscripts",   subscripts,   "characters.subscripts")
+--     end
+
+-- end
+
+if not characters.splits then
+
+    local char   = allocate()
+    local compat = allocate()
+
+    local splits = {
+        char   = char,
+        compat = compat,
+    }
+
+    characters.splits = splits
+
+    -- [0x013F] = { 0x004C, 0x00B7 }
+    -- [0x0140] = { 0x006C, 0x00B7 }
+
+    for unicode, data in next, characters.data do
+        local specials = data.specials
+        if specials and #specials > 2 then
+            local kind = specials[1]
+            if kind == "compat" then
+                compat[unicode] = { unpack(specials,2) }
+            elseif kind == "char" then
+                char  [unicode] = { unpack(specials,2) }
+            end
+        end
+    end
+
+    if storage then
+        storage.register("characters/splits", splits, "characters.splits")
+    end
+
+end
+
+if not characters.lhash then
+
+    local lhash = allocate()   characters.lhash = lhash -- nil if no conversion
+    local uhash = allocate()   characters.uhash = uhash -- nil if no conversion
+    local shash = allocate()   characters.shash = shash -- nil if no conversion
+
+    for k, v in next, characters.data do
+     -- if k < 0x11000 then
+            local l = v.lccode
+            if l then
+                -- we have an uppercase
+                if type(l) == "number" then
+                    lhash[utfchar(k)] = utfchar(l)
+                elseif #l == 2 then
+                    lhash[utfchar(k)] = utfchar(l[1]) .. utfchar(l[2])
+                else
+                    inspect(v)
+                end
+            else
+                local u = v.uccode
+                if u then
+                    -- we have an lowercase
+                    if type(u) == "number" then
+                        uhash[utfchar(k)] = utfchar(u)
+                    elseif #u == 2 then
+                        uhash[utfchar(k)] = utfchar(u[1]) .. utfchar(u[2])
+                    else
+                        inspect(v)
+                    end
+                end
+            end
+            local s = v.shcode
+            if s then
+                if type(s) == "number" then
+                    shash[utfchar(k)] = utfchar(s)
+                elseif #s == 2 then
+                    shash[utfchar(k)] = utfchar(s[1]) .. utfchar(s[2])
+                else
+                    inspect(v)
+                end
+            end
+     -- end
+    end
+
+    if storage then
+        storage.register("characters/lhash", lhash, "characters.lhash")
+        storage.register("characters/uhash", uhash, "characters.uhash")
+        storage.register("characters/shash", shash, "characters.shash")
+    end
+
+end
+
+local lhash = characters.lhash mark(lhash)
+local uhash = characters.uhash mark(uhash)
+local shash = characters.shash mark(shash)
+
+local utf8lowercharacter = utfchartabletopattern(lhash) / lhash
+local utf8uppercharacter = utfchartabletopattern(uhash) / uhash
+local utf8shapecharacter = utfchartabletopattern(shash) / shash
+
+local utf8lower = Cs((utf8lowercharacter + utf8character)^0)
+local utf8upper = Cs((utf8uppercharacter + utf8character)^0)
+local utf8shape = Cs((utf8shapecharacter + utf8character)^0)
+
+lpegpatterns.utf8lowercharacter = utf8lowercharacter -- one character
+lpegpatterns.utf8uppercharacter = utf8uppercharacter -- one character
+lpegpatterns.utf8shapecharacter = utf8shapecharacter -- one character
+
+lpegpatterns.utf8lower = utf8lower -- string
+lpegpatterns.utf8upper = utf8upper -- string
+lpegpatterns.utf8shape = utf8shape -- string
+
+function characters.lower (str) return lpegmatch(utf8lower,str) end
+function characters.upper (str) return lpegmatch(utf8upper,str) end
+function characters.shaped(str) return lpegmatch(utf8shape,str) end
+
+-- local str = [[
+--     ÀÁÂÃÄÅàáâãäå àáâãäåàáâãäå ÀÁÂÃÄÅÀÁÂÃÄÅ AAAAAAaaaaaa
+--     ÆÇæç         æçæç         ÆÇÆÇ         AECaec
+--     ÈÉÊËèéêë     èéêëèéêë     ÈÉÊËÈÉÊË     EEEEeeee
+--     ÌÍÎÏÞìíîïþ   ìíîïþìíîïþ   ÌÍÎÏÞÌÍÎÏÞ   IIIIÞiiiiþ
+--     Ðð           ðð           ÐÐ           Ðð
+--     Ññ           ññ           ÑÑ           Nn
+--     ÒÓÔÕÖòóôõö   òóôõöòóôõö   ÒÓÔÕÖÒÓÔÕÖ   OOOOOooooo
+--     Øø           øø           ØØ           Oo
+--     ÙÚÛÜùúûü     ùúûüùúûü     ÙÚÛÜÙÚÛÜ     UUUUuuuu
+--     Ýýÿ          ýýÿ          ÝÝŸ          Yyy
+--     ß            ß            SS           ss
+--     Ţţ           ţţ           ŢŢ           Tt
+-- ]]
+--
+-- local lower  = characters.lower   print(lower(str))
+-- local upper  = characters.upper   print(upper(str))
+-- local shaped = characters.shaped  print(shaped(str))
+--
+-- local c, n = os.clock(), 10000
+-- for i=1,n do lower(str) upper(str) shaped(str) end -- 2.08 => 0.77
+-- print(os.clock()-c,n*#str*3)
+
+-- maybe: (twice as fast when much ascii)
+--
+-- local tolower  = lpeg.patterns.tolower
+-- local lower    = string.lower
+--
+-- local allascii = R("\000\127")^1 * P(-1)
+--
+-- function characters.checkedlower(str)
+--     return lpegmatch(allascii,str) and lower(str) or lpegmatch(tolower,str) or str
+-- end
+
+function characters.lettered(str,spacing)
+    local new, n = { }, 0
+    if spacing then
+        local done = false
+        for u in utfvalues(str) do
+            local c = data[u].category
+            if is_letter[c] then
+                if done and n > 1 then
+                    n = n + 1
+                    new[n] = " "
+                    done = false
+                end
+                n = n + 1
+                new[n] = utfchar(u)
+            elseif spacing and is_spacing[c] then
+                done = true
+            end
+        end
+    else
+        for u in utfvalues(str) do
+            if is_letter[data[u].category] then
+                n = n + 1
+                new[n] = utfchar(u)
+            end
+        end
+    end
+    return concat(new)
+end
+
+--[[ldx--
+<p>Requesting lower and uppercase codes:</p>
+--ldx]]--
+
+function characters.uccode(n) return uccodes[n] end -- obsolete
+function characters.lccode(n) return lccodes[n] end -- obsolete
+
+function characters.shape(n)
+    local shcode = shcodes[n]
+    if not shcode then
+        return n, nil
+    elseif type(shcode) == "table" then
+        return shcode[1], shcode[#shcode]
+    else
+        return shcode, nil
+    end
+end
+
+-- -- some day we might go this route, but it does not really save that much
+-- -- so not now (we can generate a lot using mtx-unicode that operates on the
+-- -- database)
+--
+-- -- category cjkwd direction linebreak
+--
+-- -- adobename comment contextcommand contextname description fallback lccode
+-- -- mathclass mathfiller mathname mathspec mathstretch mathsymbol mirror
+-- -- range shcode specials uccode uccodes unicodeslot
+--
+-- local data = {
+--     ['one']={
+--         common = {
+--             category="cc",
+--             direction="bn",
+--             linebreak="cm",
+--         },
+--         vector = {
+--             [0x0000] = {
+--                 description="NULL",
+--                 group='one',
+--                 unicodeslot=0x0000,
+--             },
+--             {
+--                 description="START OF HEADING",
+--                 group='one',
+--                 unicodeslot=0x0001,
+--             },
+--         }
+--     }
+-- }
+--
+-- local chardata, groupdata = { }, { }
+--
+-- for group, gdata in next, data do
+--     local common, vector = { __index = gdata.common }, gdata.vector
+--     for character, cdata in next, vector do
+--         chardata[character] = cdata
+--         setmetatable(cdata,common)
+--     end
+--     groupdata[group] = gdata
+-- end
+
+-- characters.data, characters.groups = chardata, groupdata
+
+--  [0xF0000]={
+--   category="co",
+--   cjkwd="a",
+--   description="<Plane 0x000F Private Use, First>",
+--   direction="l",
+--   unicodeslot=0xF0000,
+--  },
+--  [0xFFFFD]={
+--   category="co",
+--   cjkwd="a",
+--   description="<Plane 0x000F Private Use, Last>",
+--   direction="l",
+--   unicodeslot=0xFFFFD,
+--  },
+--  [0x100000]={
+--   category="co",
+--   cjkwd="a",
+--   description="<Plane 0x0010 Private Use, First>",
+--   direction="l",
+--   unicodeslot=0x100000,
+--  },
+--  [0x10FFFD]={
+--   category="co",
+--   cjkwd="a",
+--   description="<Plane 0x0010 Private Use, Last>",
+--   direction="l",
+--   unicodeslot=0x10FFFD,
+--  },
+
+if not characters.superscripts then
+
+    local superscripts = allocate()   characters.superscripts = superscripts
+    local subscripts   = allocate()   characters.subscripts   = subscripts
+    local fractions    = allocate()   characters.fractions    = fractions
+
+    -- skipping U+02120 (service mark) U+02122 (trademark)
+
+    for k, v in next, data do
+        local specials = v.specials
+        if specials then
+            local what = specials[1]
+            if what == "super" then
+                if #specials == 2 then
+                    superscripts[k] = specials[2]
+                elseif trace_defining then
+                    report_defining("ignoring %s %a, char %c, description %a","superscript",ustring(k),k,v.description)
+                end
+            elseif what == "sub" then
+                if #specials == 2 then
+                    subscripts[k] = specials[2]
+                elseif trace_defining then
+                    report_defining("ignoring %s %a, char %c, description %a","subscript",ustring(k),k,v.description)
+                end
+            elseif what == "fraction" then
+                if #specials > 1 then
+                    fractions[k] = { unpack(specials,2) }
+                elseif trace_defining then
+                    report_defining("ignoring %s %a, char %c, description %a","fraction",ustring(k),k,v.description)
+                end
+            end
+        end
+    end
+
+ -- print(table.serialize(superscripts, "superscripts", { hexify = true }))
+ -- print(table.serialize(subscripts,   "subscripts",   { hexify = true }))
+ -- print(table.serialize(fractions,    "fractions",    { hexify = true }))
+
+    if storage then
+        storage.register("characters/superscripts", superscripts, "characters.superscripts")
+        storage.register("characters/subscripts",   subscripts,   "characters.subscripts")
+        storage.register("characters/fractions",    fractions,   "characters.fractions")
+    end
+
+end
+
+function characters.showstring(str)
+    local list = utotable(str)
+    for i=1,#list do
+        report_defining("split % 3i : %C",i,list[i])
+    end
+end
+
+-- code moved to char-tex.lua
+
+return characters
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-cff.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-cff.lua
new file mode 100644
index 00000000000..0314e4ac4a1
--- /dev/null
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-cff.lua
@@ -0,0 +1,1697 @@
+if not modules then modules = { } end modules ['font-cff'] = {
+    version   = 1.001,
+    comment   = "companion to font-ini.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+-- todo: option.outlines
+-- todo: option.boundingbox
+-- per charstring (less memory)
+
+-- This is a heavy one as it is a rather packed format. We don't need al the information
+-- now but we might need it later (who know what magic we can do with metapost). So at
+-- some point this might become a module. We just follow Adobe Technical Notes #5176 and
+-- #5177. In case of doubt I looked in the fontforge code that comes with LuaTeX.
+
+-- For now we save the segments in a list of segments with the operator last in an entry
+-- because that reflects the original. But it might make more sense to use a single array
+-- per segment. For pdf a simple concat works ok, but for other purposes a operator first
+-- flush is nicer.
+
+local next, type, tonumber = next, type, tonumber
+local byte = string.byte
+local concat, remove = table.concat, table.remove
+local floor, abs, round, ceil = math.floor, math.abs, math.round, math.ceil
+local P, C, R, S, C, Cs, Ct = lpeg.P, lpeg.C, lpeg.R, lpeg.S, lpeg.C, lpeg.Cs, lpeg.Ct
+local lpegmatch = lpeg.match
+
+local readers           = fonts.handlers.otf.readers
+local streamreader      = readers.streamreader
+
+local readbytes         = streamreader.readbytes
+local readstring        = streamreader.readstring
+local readbyte          = streamreader.readcardinal1  --  8-bit unsigned integer
+local readushort        = streamreader.readcardinal2  -- 16-bit unsigned integer
+local readuint          = streamreader.readcardinal3  -- 24-bit unsigned integer
+local readulong         = streamreader.readcardinal4  -- 24-bit unsigned integer
+local setposition       = streamreader.setposition
+local getposition       = streamreader.getposition
+
+local setmetatableindex = table.setmetatableindex
+
+local trace_charstrings = false trackers.register("fonts.cff.charstrings",function(v) trace_charstrings = v end)
+local report            = logs.reporter("otf reader","cff")
+
+local parsedictionaries
+local parsecharstring
+local parsecharstrings
+local resetcharstrings
+local parseprivates
+
+local defaultstrings = { [0] = -- taken from ff
+    ".notdef", "space", "exclam", "quotedbl", "numbersign", "dollar", "percent",
+    "ampersand", "quoteright", "parenleft", "parenright", "asterisk", "plus",
+    "comma", "hyphen", "period", "slash", "zero", "one", "two", "three", "four",
+    "five", "six", "seven", "eight", "nine", "colon", "semicolon", "less",
+    "equal", "greater", "question", "at", "A", "B", "C", "D", "E", "F", "G", "H",
+    "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W",
+    "X", "Y", "Z", "bracketleft", "backslash", "bracketright", "asciicircum",
+    "underscore", "quoteleft", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j",
+    "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y",
+    "z", "braceleft", "bar", "braceright", "asciitilde", "exclamdown", "cent",
+    "sterling", "fraction", "yen", "florin", "section", "currency",
+    "quotesingle", "quotedblleft", "guillemotleft", "guilsinglleft",
+    "guilsinglright", "fi", "fl", "endash", "dagger", "daggerdbl",
+    "periodcentered", "paragraph", "bullet", "quotesinglbase", "quotedblbase",
+    "quotedblright", "guillemotright", "ellipsis", "perthousand", "questiondown",
+    "grave", "acute", "circumflex", "tilde", "macron", "breve", "dotaccent",
+    "dieresis", "ring", "cedilla", "hungarumlaut", "ogonek", "caron", "emdash",
+    "AE", "ordfeminine", "Lslash", "Oslash", "OE", "ordmasculine", "ae",
+    "dotlessi", "lslash", "oslash", "oe", "germandbls", "onesuperior",
+    "logicalnot", "mu", "trademark", "Eth", "onehalf", "plusminus", "Thorn",
+    "onequarter", "divide", "brokenbar", "degree", "thorn", "threequarters",
+    "twosuperior", "registered", "minus", "eth", "multiply", "threesuperior",
+    "copyright", "Aacute", "Acircumflex", "Adieresis", "Agrave", "Aring",
+    "Atilde", "Ccedilla", "Eacute", "Ecircumflex", "Edieresis", "Egrave",
+    "Iacute", "Icircumflex", "Idieresis", "Igrave", "Ntilde", "Oacute",
+    "Ocircumflex", "Odieresis", "Ograve", "Otilde", "Scaron", "Uacute",
+    "Ucircumflex", "Udieresis", "Ugrave", "Yacute", "Ydieresis", "Zcaron",
+    "aacute", "acircumflex", "adieresis", "agrave", "aring", "atilde",
+    "ccedilla", "eacute", "ecircumflex", "edieresis", "egrave", "iacute",
+    "icircumflex", "idieresis", "igrave", "ntilde", "oacute", "ocircumflex",
+    "odieresis", "ograve", "otilde", "scaron", "uacute", "ucircumflex",
+    "udieresis", "ugrave", "yacute", "ydieresis", "zcaron", "exclamsmall",
+    "Hungarumlautsmall", "dollaroldstyle", "dollarsuperior", "ampersandsmall",
+    "Acutesmall", "parenleftsuperior", "parenrightsuperior", "twodotenleader",
+    "onedotenleader", "zerooldstyle", "oneoldstyle", "twooldstyle",
+    "threeoldstyle", "fouroldstyle", "fiveoldstyle", "sixoldstyle",
+    "sevenoldstyle", "eightoldstyle", "nineoldstyle", "commasuperior",
+    "threequartersemdash", "periodsuperior", "questionsmall", "asuperior",
+    "bsuperior", "centsuperior", "dsuperior", "esuperior", "isuperior",
+    "lsuperior", "msuperior", "nsuperior", "osuperior", "rsuperior", "ssuperior",
+    "tsuperior", "ff", "ffi", "ffl", "parenleftinferior", "parenrightinferior",
+    "Circumflexsmall", "hyphensuperior", "Gravesmall", "Asmall", "Bsmall",
+    "Csmall", "Dsmall", "Esmall", "Fsmall", "Gsmall", "Hsmall", "Ismall",
+    "Jsmall", "Ksmall", "Lsmall", "Msmall", "Nsmall", "Osmall", "Psmall",
+    "Qsmall", "Rsmall", "Ssmall", "Tsmall", "Usmall", "Vsmall", "Wsmall",
+    "Xsmall", "Ysmall", "Zsmall", "colonmonetary", "onefitted", "rupiah",
+    "Tildesmall", "exclamdownsmall", "centoldstyle", "Lslashsmall",
+    "Scaronsmall", "Zcaronsmall", "Dieresissmall", "Brevesmall", "Caronsmall",
+    "Dotaccentsmall", "Macronsmall", "figuredash", "hypheninferior",
+    "Ogoneksmall", "Ringsmall", "Cedillasmall", "questiondownsmall", "oneeighth",
+    "threeeighths", "fiveeighths", "seveneighths", "onethird", "twothirds",
+    "zerosuperior", "foursuperior", "fivesuperior", "sixsuperior",
+    "sevensuperior", "eightsuperior", "ninesuperior", "zeroinferior",
+    "oneinferior", "twoinferior", "threeinferior", "fourinferior",
+    "fiveinferior", "sixinferior", "seveninferior", "eightinferior",
+    "nineinferior", "centinferior", "dollarinferior", "periodinferior",
+    "commainferior", "Agravesmall", "Aacutesmall", "Acircumflexsmall",
+    "Atildesmall", "Adieresissmall", "Aringsmall", "AEsmall", "Ccedillasmall",
+    "Egravesmall", "Eacutesmall", "Ecircumflexsmall", "Edieresissmall",
+    "Igravesmall", "Iacutesmall", "Icircumflexsmall", "Idieresissmall",
+    "Ethsmall", "Ntildesmall", "Ogravesmall", "Oacutesmall", "Ocircumflexsmall",
+    "Otildesmall", "Odieresissmall", "OEsmall", "Oslashsmall", "Ugravesmall",
+    "Uacutesmall", "Ucircumflexsmall", "Udieresissmall", "Yacutesmall",
+    "Thornsmall", "Ydieresissmall", "001.000", "001.001", "001.002", "001.003",
+    "Black", "Bold", "Book", "Light", "Medium", "Regular", "Roman", "Semibold",
+}
+
+local cffreaders = {
+    readbyte,
+    readushort,
+    readuint,
+    readulong,
+}
+
+-- The header contains information about its own size.
+
+local function readheader(f)
+    local offset = getposition(f)
+    local header = {
+        offset = offset,
+        major  = readbyte(f),
+        minor  = readbyte(f),
+        size   = readbyte(f), -- headersize
+        osize  = readbyte(f), -- for offsets to start
+    }
+    setposition(f,offset+header.size)
+    return header
+end
+
+-- The indexes all look the same, so we share a loader. We could pass a handler
+-- and run over the array but why bother, we only have a few uses.
+
+local function readlengths(f)
+    local count = readushort(f)
+    if count == 0 then
+        return { }
+    end
+    local osize = readbyte(f)
+    local read  = cffreaders[osize]
+    if not read then
+        report("bad offset size: %i",osize)
+        return { }
+    end
+    local lengths  = { }
+    local previous = read(f)
+    for i=1,count do
+        local offset = read(f)
+        lengths[i] = offset - previous
+        previous = offset
+    end
+    return lengths
+end
+
+-- There can be subfonts so names is an array. However, in our case it's always
+-- one font. The same is true for the top dictionaries. Watch how we only load
+-- the dictionary string as for interpretation we need to have the strings loaded
+-- as well.
+
+local function readfontnames(f)
+    local names = readlengths(f)
+    for i=1,#names do
+        names[i] = readstring(f,names[i])
+    end
+    return names
+end
+
+local function readtopdictionaries(f)
+    local dictionaries = readlengths(f)
+    for i=1,#dictionaries do
+        dictionaries[i] = readstring(f,dictionaries[i])
+    end
+    return dictionaries
+end
+
+-- Strings are added to a list of standard strings so we start the font specific
+-- one with an offset. Strings are shared so we have one table.
+
+local function readstrings(f)
+    local lengths = readlengths(f)
+    local strings = setmetatableindex({ }, defaultstrings)
+    local index   = #defaultstrings
+    for i=1,#lengths do
+        index = index + 1
+        strings[index] = readstring(f,lengths[i])
+    end
+    return strings
+end
+
+-- Parsing the dictionaries is delayed till we have the strings loaded. The parser
+-- is stack based so the operands come before the operator (like in postscript).
+
+-- local function delta(t)
+--     local n = #t
+--     if n > 1 then
+--         local p = t[1]
+--         for i=2,n do
+--             local c = t[i]
+--             t[i] = c + p
+--             p = c
+--         end
+--     end
+-- end
+
+do
+
+    -- We use a closure so that we don't need to pass too much around.
+
+    local stack   = { }
+    local top     = 0
+    local result  = { }
+    local strings = { }
+
+    local p_single =
+        P("\00") / function()
+            result.version = strings[stack[top]] or "unset"
+            top = 0
+        end
+      + P("\01") / function()
+            result.notice = strings[stack[top]] or "unset"
+            top = 0
+        end
+      + P("\02") / function()
+            result.fullname = strings[stack[top]] or "unset"
+            top = 0
+        end
+      + P("\03") / function()
+            result.familyname = strings[stack[top]] or "unset"
+            top = 0
+        end
+      + P("\04") / function()
+            result.weight = strings[stack[top]] or "unset"
+            top = 0
+        end
+      + P("\05") / function()
+            result.fontbbox = { unpack(stack,1,4) }
+            top = 0
+        end
+   -- + P("\06") / function() end -- bluevalues
+   -- + P("\07") / function() end -- otherblues
+   -- + P("\08") / function() end -- familyblues
+   -- + P("\09") / function() end -- familyotherblues
+   -- + P("\10") / function() end -- strhw
+   -- + P("\11") / function() end -- stdvw
+      + P("\13") / function()
+            result.uniqueid = stack[top]
+            top = 0
+        end
+      + P("\14") / function()
+            result.xuid = concat(stack,"",1,top)
+            top = 0
+        end
+      + P("\15") / function()
+            result.charset = stack[top]
+            top = 0
+        end
+      + P("\16") / function()
+            result.encoding = stack[top]
+            top = 0
+        end
+      + P("\17") / function()
+            result.charstrings = stack[top]
+            top = 0
+        end
+      + P("\18") / function()
+            result.private = {
+                size   = stack[top-1],
+                offset = stack[top],
+            }
+            top = 0
+        end
+      + P("\19") / function()
+            result.subroutines = stack[top]
+        end
+      + P("\20") / function()
+            result.defaultwidthx = stack[top]
+        end
+      + P("\21") / function()
+            result.nominalwidthx = stack[top]
+        end
+   -- + P("\22") / function() end -- reserved
+   -- + P("\23") / function() end -- reserved
+   -- + P("\24") / function() end -- reserved
+   -- + P("\25") / function() end -- reserved
+   -- + P("\26") / function() end -- reserved
+   -- + P("\27") / function() end -- reserved
+
+    local p_double = P("\12") * (
+        P("\00") / function()
+            result.copyright = stack[top]
+            top = 0
+        end
+      + P("\01") / function()
+            result.monospaced = stack[top] == 1 and true or false -- isfixedpitch
+            top = 0
+        end
+      + P("\02") / function()
+            result.italicangle = stack[top]
+            top = 0
+        end
+      + P("\03") / function()
+            result.underlineposition = stack[top]
+            top = 0
+        end
+      + P("\04") / function()
+            result.underlinethickness = stack[top]
+            top = 0
+        end
+      + P("\05") / function()
+            result.painttype = stack[top]
+            top = 0
+        end
+      + P("\06") / function()
+            result.charstringtype = stack[top]
+            top = 0
+        end
+      + P("\07") / function()
+            result.fontmatrix = { unpack(stack,1,6) }
+            top = 0
+        end
+      + P("\08") / function()
+            result.strokewidth = stack[top]
+            top = 0
+        end
+      + P("\20") / function()
+            result.syntheticbase = stack[top]
+            top = 0
+        end
+      + P("\21") / function()
+            result.postscript = strings[stack[top]] or "unset"
+            top = 0
+        end
+      + P("\22") / function()
+            result.basefontname = strings[stack[top]] or "unset"
+            top = 0
+        end
+      + P("\21") / function()
+            result.basefontblend = stack[top]
+            top = 0
+        end
+      + P("\30") / function()
+            result.cid.registry   = strings[stack[top-2]] or "unset"
+            result.cid.ordering   = strings[stack[top-1]] or "unset"
+            result.cid.supplement = stack[top]
+            top = 0
+        end
+      + P("\31") / function()
+            result.cid.fontversion = stack[top]
+            top = 0
+        end
+      + P("\32") / function()
+            result.cid.fontrevision= stack[top]
+            top = 0
+        end
+      + P("\33") / function()
+            result.cid.fonttype = stack[top]
+            top = 0
+        end
+      + P("\34") / function()
+            result.cid.count = stack[top]
+            top = 0
+        end
+      + P("\35") / function()
+            result.cid.uidbase = stack[top]
+            top = 0
+        end
+      + P("\36") / function()
+            result.cid.fdarray = stack[top]
+            top = 0
+        end
+      + P("\37") / function()
+            result.cid.fdselect = stack[top]
+            top = 0
+        end
+      + P("\38") / function()
+            result.cid.fontname = strings[stack[top]] or "unset"
+            top = 0
+        end
+    )
+
+    -- Some lpeg fun ... a first variant split the byte and made a new string but
+    -- the second variant is much faster. Not that it matters much as we don't see
+    -- such numbers often.
+
+    local p_last = P("\x0F") / "0" + P("\x1F") / "1" + P("\x2F") / "2"  + P("\x3F") / "3"
+        + P("\x4F") / "4" + P("\x5F") / "5" + P("\x6F") / "6"  + P("\x7F") / "7"
+        + P("\x8F") / "8" + P("\x9F") / "9" + P("\xAF") / ""   + P("\xBF") / ""
+        + P("\xCF") / ""  + P("\xDF") / ""  + P("\xEF") / ""   + R("\xF0\xFF") / ""
+
+ -- local remap = { [0] =
+ --     "00",  "01",  "02",  "03",  "04",  "05",  "06",  "07",  "08",  "09",  "0.",  "0E",  "0E-",  "0",  "0-",  "0",
+ --     "10",  "11",  "12",  "13",  "14",  "15",  "16",  "17",  "18",  "19",  "0.",  "0E",  "0E-",  "0",  "0-",  "0",
+ --     "20",  "21",  "22",  "23",  "24",  "25",  "26",  "27",  "28",  "29",  "0.",  "0E",  "0E-",  "0",  "0-",  "0",
+ --     "30",  "31",  "32",  "33",  "34",  "35",  "36",  "37",  "38",  "39",  "0.",  "0E",  "0E-",  "0",  "0-",  "0",
+ --     "40",  "41",  "42",  "43",  "44",  "45",  "46",  "47",  "48",  "49",  "0.",  "0E",  "0E-",  "0",  "0-",  "0",
+ --     "50",  "51",  "52",  "53",  "54",  "55",  "56",  "57",  "58",  "59",  "0.",  "0E",  "0E-",  "0",  "0-",  "0",
+ --     "60",  "61",  "62",  "63",  "64",  "65",  "66",  "67",  "68",  "69",  "0.",  "0E",  "0E-",  "0",  "0-",  "0",
+ --     "70",  "71",  "72",  "73",  "74",  "75",  "76",  "77",  "78",  "79",  "0.",  "0E",  "0E-",  "0",  "0-",  "0",
+ --     "80",  "81",  "82",  "83",  "84",  "85",  "86",  "87",  "88",  "89",  "0.",  "0E",  "0E-",  "0",  "0-",  "0",
+ --     "90",  "91",  "92",  "93",  "94",  "95",  "96",  "97",  "98",  "99",  "0.",  "0E",  "0E-",  "0",  "0-",  "0",
+ --     ".0",  ".1",  ".2",  ".3",  ".4",  ".5",  ".6",  ".7",  ".8",  ".9",  "..",  ".E",  ".E-",  ".",  ".-",  ".",
+ --     "E0",  "E1",  "E2",  "E3",  "E4",  "E5",  "E6",  "E7",  "E8",  "E9",  "E.",  "EE",  "EE-",  "E",  "E-",  "E",
+ --     "E-0", "E-1", "E-2", "E-3", "E-4", "E-5", "E-6", "E-7", "E-8", "E-9", "E-.", "E-E", "E-E-", "E-", "E--", "E-",
+ --     "-0",  "-1",  "-2",  "-3",  "-4",  "-5",  "-6",  "-7",  "-8",  "-9",  "-.",  "-E",  "-E-",  "-",  "--",  "-",
+ -- }
+
+ -- local p_nibbles = Cs(((1-p_last)/byte/remap)^0+p_last)
+
+ -- local p = P("\30") * p_nibbles / function(t)
+ --     print(tonumber(t))
+ -- end
+
+    local remap = {
+        ["\x00"] = "00",  ["\x01"] = "01",  ["\x02"] = "02",  ["\x03"] = "03",  ["\x04"] = "04",  ["\x05"] = "05",  ["\x06"] = "06",  ["\x07"] = "07",  ["\x08"] = "08",  ["\x09"] = "09",  ["\x0A"] = "0.",  ["\x0B"] = "0E",  ["\x0C"] = "0E-",  ["\x0D"] = "0",  ["\x0E"] = "0-",  ["\x0F"] = "0",
+        ["\x10"] = "10",  ["\x11"] = "11",  ["\x12"] = "12",  ["\x13"] = "13",  ["\x14"] = "14",  ["\x15"] = "15",  ["\x16"] = "16",  ["\x17"] = "17",  ["\x18"] = "18",  ["\x19"] = "19",  ["\x1A"] = "0.",  ["\x1B"] = "0E",  ["\x1C"] = "0E-",  ["\x1D"] = "0",  ["\x1E"] = "0-",  ["\x1F"] = "0",
+        ["\x20"] = "20",  ["\x21"] = "21",  ["\x22"] = "22",  ["\x23"] = "23",  ["\x24"] = "24",  ["\x25"] = "25",  ["\x26"] = "26",  ["\x27"] = "27",  ["\x28"] = "28",  ["\x29"] = "29",  ["\x2A"] = "0.",  ["\x2B"] = "0E",  ["\x2C"] = "0E-",  ["\x2D"] = "0",  ["\x2E"] = "0-",  ["\x2F"] = "0",
+        ["\x30"] = "30",  ["\x31"] = "31",  ["\x32"] = "32",  ["\x33"] = "33",  ["\x34"] = "34",  ["\x35"] = "35",  ["\x36"] = "36",  ["\x37"] = "37",  ["\x38"] = "38",  ["\x39"] = "39",  ["\x3A"] = "0.",  ["\x3B"] = "0E",  ["\x3C"] = "0E-",  ["\x3D"] = "0",  ["\x3E"] = "0-",  ["\x3F"] = "0",
+        ["\x40"] = "40",  ["\x41"] = "41",  ["\x42"] = "42",  ["\x43"] = "43",  ["\x44"] = "44",  ["\x45"] = "45",  ["\x46"] = "46",  ["\x47"] = "47",  ["\x48"] = "48",  ["\x49"] = "49",  ["\x4A"] = "0.",  ["\x4B"] = "0E",  ["\x4C"] = "0E-",  ["\x4D"] = "0",  ["\x4E"] = "0-",  ["\x4F"] = "0",
+        ["\x50"] = "50",  ["\x51"] = "51",  ["\x52"] = "52",  ["\x53"] = "53",  ["\x54"] = "54",  ["\x55"] = "55",  ["\x56"] = "56",  ["\x57"] = "57",  ["\x58"] = "58",  ["\x59"] = "59",  ["\x5A"] = "0.",  ["\x5B"] = "0E",  ["\x5C"] = "0E-",  ["\x5D"] = "0",  ["\x5E"] = "0-",  ["\x5F"] = "0",
+        ["\x60"] = "60",  ["\x61"] = "61",  ["\x62"] = "62",  ["\x63"] = "63",  ["\x64"] = "64",  ["\x65"] = "65",  ["\x66"] = "66",  ["\x67"] = "67",  ["\x68"] = "68",  ["\x69"] = "69",  ["\x6A"] = "0.",  ["\x6B"] = "0E",  ["\x6C"] = "0E-",  ["\x6D"] = "0",  ["\x6E"] = "0-",  ["\x6F"] = "0",
+        ["\x70"] = "70",  ["\x71"] = "71",  ["\x72"] = "72",  ["\x73"] = "73",  ["\x74"] = "74",  ["\x75"] = "75",  ["\x76"] = "76",  ["\x77"] = "77",  ["\x78"] = "78",  ["\x79"] = "79",  ["\x7A"] = "0.",  ["\x7B"] = "0E",  ["\x7C"] = "0E-",  ["\x7D"] = "0",  ["\x7E"] = "0-",  ["\x7F"] = "0",
+        ["\x80"] = "80",  ["\x81"] = "81",  ["\x82"] = "82",  ["\x83"] = "83",  ["\x84"] = "84",  ["\x85"] = "85",  ["\x86"] = "86",  ["\x87"] = "87",  ["\x88"] = "88",  ["\x89"] = "89",  ["\x8A"] = "0.",  ["\x8B"] = "0E",  ["\x8C"] = "0E-",  ["\x8D"] = "0",  ["\x8E"] = "0-",  ["\x8F"] = "0",
+        ["\x90"] = "90",  ["\x91"] = "91",  ["\x92"] = "92",  ["\x93"] = "93",  ["\x94"] = "94",  ["\x95"] = "95",  ["\x96"] = "96",  ["\x97"] = "97",  ["\x98"] = "98",  ["\x99"] = "99",  ["\x9A"] = "0.",  ["\x9B"] = "0E",  ["\x9C"] = "0E-",  ["\x9D"] = "0",  ["\x9E"] = "0-",  ["\x9F"] = "0",
+        ["\xA0"] = ".0",  ["\xA1"] = ".1",  ["\xA2"] = ".2",  ["\xA3"] = ".3",  ["\xA4"] = ".4",  ["\xA5"] = ".5",  ["\xA6"] = ".6",  ["\xA7"] = ".7",  ["\xA8"] = ".8",  ["\xA9"] = ".9",  ["\xAA"] = "..",  ["\xAB"] = ".E",  ["\xAC"] = ".E-",  ["\xAD"] = ".",  ["\xAE"] = ".-",  ["\xAF"] = ".",
+        ["\xB0"] = "E0",  ["\xB1"] = "E1",  ["\xB2"] = "E2",  ["\xB3"] = "E3",  ["\xB4"] = "E4",  ["\xB5"] = "E5",  ["\xB6"] = "E6",  ["\xB7"] = "E7",  ["\xB8"] = "E8",  ["\xB9"] = "E9",  ["\xBA"] = "E.",  ["\xBB"] = "EE",  ["\xBC"] = "EE-",  ["\xBD"] = "E",  ["\xBE"] = "E-",  ["\xBF"] = "E",
+        ["\xC0"] = "E-0", ["\xC1"] = "E-1", ["\xC2"] = "E-2", ["\xC3"] = "E-3", ["\xC4"] = "E-4", ["\xC5"] = "E-5", ["\xC6"] = "E-6", ["\xC7"] = "E-7", ["\xC8"] = "E-8", ["\xC9"] = "E-9", ["\xCA"] = "E-.", ["\xCB"] = "E-E", ["\xCC"] = "E-E-", ["\xCD"] = "E-", ["\xCE"] = "E--", ["\xCF"] = "E-",
+        ["\xD0"] = "-0",  ["\xD1"] = "-1",  ["\xD2"] = "-2",  ["\xD3"] = "-3",  ["\xD4"] = "-4",  ["\xD5"] = "-5",  ["\xD6"] = "-6",  ["\xD7"] = "-7",  ["\xD8"] = "-8",  ["\xD9"] = "-9",  ["\xDA"] = "-.",  ["\xDB"] = "-E",  ["\xDC"] = "-E-",  ["\xDD"] = "-",  ["\xDE"] = "--",  ["\xDF"] = "-",
+    }
+
+    local p_nibbles = P("\30") * Cs(((1-p_last)/remap)^0+p_last) / function(n)
+        -- 0-9=digit a=. b=E c=E- d=reserved e=- f=finish
+        top = top + 1
+        stack[top] = tonumber(n) or 0
+    end
+
+    local p_byte = C(R("\32\246")) / function(b0)
+        -- -107 .. +107
+        top = top + 1
+        stack[top] = byte(b0) - 139
+    end
+
+    local p_positive =  C(R("\247\250")) * C(1) / function(b0,b1)
+        -- +108 .. +1131
+        top = top + 1
+        stack[top] = (byte(b0)-247)*256 + byte(b1) + 108
+    end
+
+    local p_negative = C(R("\251\254")) * C(1) / function(b0,b1)
+        -- -1131 .. -108
+        top = top + 1
+        stack[top] = -(byte(b0)-251)*256 - byte(b1) - 108
+    end
+
+    local p_short = P("\28") * C(1) * C(1) / function(b1,b2)
+        -- -32768 .. +32767 : b1<<8 | b2
+        top = top + 1
+        local n = 0x100 * byte(b1) + byte(b2)
+        if n  >= 0x8000 then
+            stack[top] = n - 0xFFFF - 1
+        else
+            stack[top] =  n
+        end
+    end
+
+    local p_long = P("\29") * C(1) * C(1) * C(1) * C(1) / function(b1,b2,b3,b4)
+        -- -2^31 .. +2^31-1 : b1<<24 | b2<<16 | b3<<8 | b4
+        top = top + 1
+        local n = 0x1000000 * byte(b1) + 0x10000 * byte(b2) + 0x100 * byte(b3) + byte(b4)
+        if n >= 0x8000000 then
+            stack[top] = n - 0xFFFFFFFF - 1
+        else
+            stack[top] = n
+        end
+    end
+
+    local p_unsupported = P(1) / function(detail)
+        top = 0
+    end
+
+    local p_dictionary = (
+        p_byte
+      + p_positive
+      + p_negative
+      + p_short
+      + p_long
+      + p_nibbles
+      + p_single
+      + p_double
+      + p_unsupported
+    )^1
+
+    parsedictionaries = function(data,dictionaries)
+        stack   = { }
+        strings = data.strings
+        for i=1,#dictionaries do
+            top    = 0
+            result = {
+                monospaced         = false,
+                italicangle        = 0,
+                underlineposition  = -100,
+                underlinethickness = 50,
+                painttype          = 0,
+                charstringtype     = 2,
+                fontmatrix         = { 0.001, 0, 0, 0.001, 0, 0 },
+                fontbbox           = { 0, 0, 0, 0 },
+                strokewidth        = 0,
+                charset            = 0,
+                encoding           = 0,
+                cid = {
+                    fontversion     = 0,
+                    fontrevision    = 0,
+                    fonttype        = 0,
+                    count           = 8720,
+                }
+            }
+            lpegmatch(p_dictionary,dictionaries[i])
+            dictionaries[i] = result
+        end
+        --
+        result = { }
+        top    = 0
+        stack  = { }
+    end
+
+    parseprivates = function(data,dictionaries)
+        stack   = { }
+        strings = data.strings
+        for i=1,#dictionaries do
+            local private = dictionaries[i].private
+            if private and private.data then
+                top     = 0
+                result  = {
+                    forcebold         = false,
+                    languagegroup     = 0,
+                    expansionfactor   = 0.06,
+                    initialrandomseed = 0,
+                    subroutines       = 0,
+                    defaultwidthx     = 0,
+                    nominalwidthx     = 0,
+                    cid               = {
+                        -- actually an error
+                    },
+                }
+                lpegmatch(p_dictionary,private.data)
+                private.data = result
+            end
+        end
+        result = { }
+        top    = 0
+        stack  = { }
+    end
+
+    -- All bezier curves have 6 points with successive pairs relative to
+    -- the previous pair. Some can be left out and are then copied or zero
+    -- (optimization).
+    --
+    -- We are not really interested in all the details of a glyph because we
+    -- only need to calculate the boundingbox. So, todo: a quick no result but
+    -- calculate only variant.
+    --
+    -- The conversion is straightforward and the specification os clear once
+    -- you understand that the x and y needs to be updates each step. It's also
+    -- quite easy to test because in mp a shape will look bad when a few variables
+    -- are swapped. But still there might be bugs down here because not all
+    -- variants are seen in a font so far. We are less compact that the ff code
+    -- because there quite some variants are done in one helper with a lot of
+    -- testing for states.
+
+    local x          = 0
+    local y          = 0
+    local width      = false
+    local r          = 0
+    local stems      = 0
+    local globalbias = 0
+    local localbias  = 0
+    local globals    = false
+    local locals     = false
+    local depth      = 1
+    local xmin       = 0
+    local xmax       = 0
+    local ymin       = 0
+    local ymax       = 0
+    local checked    = false
+    local keepcurve  = false
+
+    local function showstate(where)
+        report("%w%-10s : [%s] n=%i",depth*2,where,concat(stack," ",1,top),top)
+    end
+
+    local function showvalue(where,value,showstack)
+        if showstack then
+            report("%w%-10s : %s : [%s] n=%i",depth*2,where,tostring(value),concat(stack," ",1,top),top)
+        else
+            report("%w%-10s : %s",depth*2,where,tostring(value))
+        end
+    end
+
+    -- All these indirect calls make this run slower but it's cleaner this way
+    -- and we cache the result. As we moved the boundingbox code inline we gain
+    -- some back.
+
+    local function moveto(x,y)
+        if keepcurve then
+            r = r + 1
+            result[r] = { x, y, "m" }
+        end
+        if checked then
+            if x < xmin then xmin = x elseif x > xmax then xmax = x end
+            if y < ymin then ymin = y elseif y > ymax then ymax = y end
+        else
+            xmin = x
+            ymin = y
+            xmax = x
+            ymax = y
+            checked = true
+        end
+    end
+
+    local function lineto(x,y)
+        if keepcurve then
+            r = r + 1
+            result[r] = { x, y, "l" }
+        end
+        if checked then
+            if x < xmin then xmin = x elseif x > xmax then xmax = x end
+            if y < ymin then ymin = y elseif y > ymax then ymax = y end
+        else
+            xmin = x
+            ymin = y
+            xmax = x
+            ymax = y
+            checked = true
+        end
+    end
+
+    local function curveto(x1,y1,x2,y2,x3,y3)
+        if keepcurve then
+            r = r + 1
+            result[r] = { x1, y1, x2, y2, x3, y3, "c" }
+        end
+        if checked then
+            if x1 < xmin then xmin = x1 elseif x1 > xmax then xmax = x1 end
+            if y1 < ymin then ymin = y1 elseif y1 > ymax then ymax = y1 end
+        else
+            xmin = x1
+            ymin = y1
+            xmax = x1
+            ymax = y1
+            checked = true
+        end
+        if x2 < xmin then xmin = x2 elseif x2 > xmax then xmax = x2 end
+        if y2 < ymin then ymin = y2 elseif y2 > ymax then ymax = y2 end
+        if x3 < xmin then xmin = x3 elseif x3 > xmax then xmax = x3 end
+        if y3 < ymin then ymin = y3 elseif y3 > ymax then ymax = y3 end
+    end
+
+    local function rmoveto()
+        if top > 2 then
+            if not width then
+                width = stack[1]
+                if trace_charstrings then
+                    showvalue("width",width)
+                end
+            end
+        elseif not width then
+            width = true
+        end
+        if trace_charstrings then
+            showstate("rmoveto")
+        end
+        x = x + stack[top-1] -- dx1
+        y = y + stack[top]   -- dy1
+        top = 0
+        moveto(x,y)
+    end
+
+    local function hmoveto()
+        if top > 1 then
+            if not width then
+                width = stack[1]
+                if trace_charstrings then
+                    showvalue("width",width)
+                end
+            end
+        elseif not width then
+            width = true
+        end
+        if trace_charstrings then
+            showstate("hmoveto")
+        end
+        x = x + stack[top] -- dx1
+        top = 0
+        moveto(x,y)
+    end
+
+    local function vmoveto()
+        if top > 1 then
+            if not width then
+                width = stack[1]
+                if trace_charstrings then
+                    showvalue("width",width)
+                end
+            end
+        elseif not width then
+            width = true
+        end
+        if trace_charstrings then
+            showstate("vmoveto")
+        end
+        y = y + stack[top] -- dy1
+        top = 0
+        moveto(x,y)
+    end
+
+    local function rlineto()
+        if trace_charstrings then
+            showstate("rlineto")
+        end
+        for i=1,top,2 do
+            x = x + stack[i]   -- dxa
+            y = y + stack[i+1] -- dya
+            lineto(x,y)
+        end
+        top = 0
+    end
+
+    local function xlineto(swap) -- x (y,x)+ | (x,y)+
+        for i=1,top do
+            if swap then
+                x = x + stack[i]
+                swap = false
+            else
+                y = y + stack[i]
+                swap = true
+            end
+            lineto(x,y)
+        end
+        top = 0
+    end
+
+    local function hlineto() -- x (y,x)+ | (x,y)+
+        if trace_charstrings then
+            showstate("hlineto")
+        end
+        xlineto(true)
+    end
+
+    local function vlineto() -- y (x,y)+ | (y,x)+
+        if trace_charstrings then
+            showstate("vlineto")
+        end
+        xlineto(false)
+    end
+
+    local function rrcurveto()
+        if trace_charstrings then
+            showstate("rrcurveto")
+        end
+        for i=1,top,6 do
+            local ax = x  + stack[i]   -- dxa
+            local ay = y  + stack[i+1] -- dya
+            local bx = ax + stack[i+2] -- dxb
+            local by = ay + stack[i+3] -- dyb
+            x = bx + stack[i+4] -- dxc
+            y = by + stack[i+5] -- dyc
+            curveto(ax,ay,bx,by,x,y)
+        end
+        top = 0
+    end
+
+    local function hhcurveto()
+        if trace_charstrings then
+            showstate("hhcurveto")
+        end
+        local s = 1
+        if top % 2 ~= 0 then
+            y = y + stack[1] -- dy1
+            s = 2
+        end
+        for i=s,top,4 do
+            local ax = x + stack[i] -- dxa
+            local ay = y
+            local bx = ax + stack[i+1] -- dxb
+            local by = ay + stack[i+2] -- dyb
+            x = bx + stack[i+3] -- dxc
+            y = by
+            curveto(ax,ay,bx,by,x,y)
+        end
+        top = 0
+    end
+
+    local function vvcurveto()
+        if trace_charstrings then
+            showstate("vvcurveto")
+        end
+        local s = 1
+        local d = 0
+        if top % 2 ~= 0 then
+            d = stack[1] -- dx1
+            s = 2
+        end
+        for i=s,top,4 do
+            local ax = x + d
+            local ay = y + stack[i] -- dya
+            local bx = ax + stack[i+1] -- dxb
+            local by = ay + stack[i+2] -- dyb
+            x = bx
+            y = by + stack[i+3] -- dyc
+            curveto(ax,ay,bx,by,x,y)
+            d = 0
+        end
+        top = 0
+    end
+
+    local function xxcurveto(swap)
+        local last = top % 4 ~= 0 and stack[top]
+        if last then
+            top = top - 1
+        end
+        local sw = swap
+        for i=1,top,4 do
+            local ax, ay, bx, by
+            if swap then
+                ax = x  + stack[i]
+                ay = y
+                bx = ax + stack[i+1]
+                by = ay + stack[i+2]
+                y  = by + stack[i+3]
+                if last and i+3 == top then
+                    x = bx + last
+                else
+                    x = bx
+                end
+                swap = false
+            else
+                ax = x
+                ay = y  + stack[i]
+                bx = ax + stack[i+1]
+                by = ay + stack[i+2]
+                x  = bx + stack[i+3]
+                if last and i+3 == top then
+                    y = by + last
+                else
+                    y = by
+                end
+                swap = true
+            end
+            curveto(ax,ay,bx,by,x,y)
+        end
+        top = 0
+    end
+
+    local function hvcurveto()
+        if trace_charstrings then
+            showstate("hvcurveto")
+        end
+        xxcurveto(true)
+    end
+
+    local function vhcurveto()
+        if trace_charstrings then
+            showstate("vhcurveto")
+        end
+        xxcurveto(false)
+    end
+
+    local function rcurveline()
+        if trace_charstrings then
+            showstate("rcurveline")
+        end
+        for i=1,top-2,6 do
+            local ax = x  + stack[i]   -- dxa
+            local ay = y  + stack[i+1] -- dya
+            local bx = ax + stack[i+2] -- dxb
+            local by = ay + stack[i+3] -- dyb
+            x = bx + stack[i+4] -- dxc
+            y = by + stack[i+5] -- dyc
+            curveto(ax,ay,bx,by,x,y)
+        end
+        x = x + stack[top-1] -- dxc
+        y = y + stack[top]   -- dyc
+        lineto(x,y)
+        top = 0
+    end
+
+    local function rlinecurve()
+        if trace_charstrings then
+            showstate("rlinecurve")
+        end
+        if top > 6 then
+            for i=1,top-6,2 do
+                x = x + stack[i]
+                y = y + stack[i+1]
+                lineto(x,y)
+            end
+        end
+        local ax = x  + stack[top-5]
+        local ay = y  + stack[top-4]
+        local bx = ax + stack[top-3]
+        local by = ay + stack[top-2]
+        x = bx + stack[top-1]
+        y = by + stack[top]
+        curveto(ax,ay,bx,by,x,y)
+        top = 0
+    end
+
+    -- flex is not yet tested! no loop
+
+    local function flex() -- fd not used
+        if trace_charstrings then
+            showstate("flex")
+        end
+        local ax = x  + stack[1]  -- dx1
+        local ay = y  + stack[2]  -- dy1
+        local bx = ax + stack[3]  -- dx2
+        local by = ay + stack[4]  -- dy2
+        local cx = bx + stack[5]  -- dx3
+        local cy = by + stack[6]  -- dy3
+        curveto(ax,ay,bx,by,cx,cy)
+        local dx = cx + stack[7]  -- dx4
+        local dy = cy + stack[8]  -- dy4
+        local ex = dx + stack[9]  -- dx5
+        local ey = dy + stack[10] -- dy5
+        x = ex + stack[11]        -- dx6
+        y = ey + stack[12]        -- dy6
+        curveto(dx,dy,ex,ey,x,y)
+        top = 0
+    end
+
+    local function hflex()
+        if trace_charstrings then
+            showstate("hflex")
+        end
+        local ax = x  + stack[1]   -- dx1
+        local ay = y
+        local bx = ax + stack[2] -- dx2
+        local by = ay + stack[3] -- dy2
+        local cx = bx + stack[4] -- dx3
+        local cy = by
+        curveto(ax,ay,bx,by,cx,cy)
+        local dx = cx + stack[5] -- dx4
+        local dy = by
+        local ex = dx + stack[6] -- dx5
+        local ey = y
+        x  = ex + stack[7]       -- dx6
+        curveto(dx,dy,ex,ey,x,y)
+        top = 0
+    end
+
+    local function hflex1()
+        if trace_charstrings then
+            showstate("hflex1")
+        end
+        local ax = x  + stack[1] -- dx1
+        local ay = y  + stack[2] -- dy1
+        local bx = ax + stack[3] -- dx2
+        local by = ay + stack[4] -- dy2
+        local cx = bx + stack[5] -- dx3
+        local cy = by
+        curveto(ax,ay,bx,by,cx,cy)
+        local dx = cx + stack[6] -- dx4
+        local dy = by
+        local ex = dx + stack[7] -- dx5
+        local ey = dy + stack[8] -- dy5
+        x  = ex + stack[9]       -- dx6
+        curveto(dx,dy,ex,ey,x,y)
+        top = 0
+    end
+
+    local function flex1()
+        if trace_charstrings then
+            showstate("flex1")
+        end
+        local ax = x  + stack[1]  --dx1
+        local ay = y  + stack[2]  --dy1
+        local bx = ax + stack[3]  --dx2
+        local by = ay + stack[4]  --dy2
+        local cx = bx + stack[5]  --dx3
+        local cy = by + stack[6]  --dy3
+        curveto(ax,ay,bx,by,cx,cy)
+        local dx = cx + stack[7]  --dx4
+        local dy = cy + stack[8]  --dy4
+        local ex = dx + stack[9]  --dx5
+        local ey = dy + stack[10] --dy5
+        if abs(ex - x) > abs(ey - y) then -- spec: abs(dx) > abs(dy)
+            x = ex + stack[11]
+        else
+            y = ey + stack[11]
+        end
+        curveto(dx,dy,ex,ey,x,y)
+        top = 0
+    end
+
+    local function getstem()
+        if top == 0 then
+            -- bad
+        elseif top % 2 ~= 0 then
+            if width then
+                remove(stack,1)
+            else
+                width = remove(stack,1)
+                if trace_charstrings then
+                    showvalue("width",width)
+                end
+            end
+            top = top - 1
+        end
+        if trace_charstrings then
+            showstate("stem")
+        end
+        stems = stems + top/2
+        top   = 0
+    end
+
+    local function getmask()
+        if top == 0 then
+            -- bad
+        elseif top % 2 ~= 0 then
+            if width then
+                remove(stack,1)
+            else
+                width = remove(stack,1)
+                if trace_charstrings then
+                    showvalue("width",width)
+                end
+            end
+            top = top - 1
+        end
+        if trace_charstrings then
+            showstate(operator == 19 and "hintmark" or "cntrmask")
+        end
+        stems = stems + top/2
+        top   = 0
+        if stems == 0 then
+            -- forget about it
+        elseif stems <= 8 then
+            return 1
+        else
+            return floor((stems+7)/8)
+        end
+    end
+
+    local function unsupported()
+        if trace_charstrings then
+            showstate("unsupported")
+        end
+        top = 0
+    end
+
+    -- Bah, we cannot use a fast lpeg because a hint has an unknown size and a
+    -- runtime capture cannot handle that well.
+
+    local actions = { [0] =
+        unsupported,  --  0
+        getstem,      --  1 -- hstem
+        unsupported,  --  2
+        getstem,      --  3 -- vstem
+        vmoveto,      --  4
+        rlineto,      --  5
+        hlineto,      --  6
+        vlineto,      --  7
+        rrcurveto,    --  8
+        unsupported,  --  9 -- closepath
+        unsupported,  -- 10 -- calllocal,
+        unsupported,  -- 11 -- callreturn,
+        unsupported,  -- 12 -- elsewhere
+        unsupported,  -- 13 -- hsbw
+        unsupported,  -- 14 -- endchar,
+        unsupported,  -- 15
+        unsupported,  -- 16
+        unsupported,  -- 17
+        getstem,      -- 18 -- hstemhm
+        getmask,      -- 19 -- hintmask
+        getmask,      -- 20 -- cntrmask
+        rmoveto,      -- 21
+        hmoveto,      -- 22
+        getstem,      -- 23 -- vstemhm
+        rcurveline,   -- 24
+        rlinecurve,   -- 25
+        vvcurveto,    -- 26
+        hhcurveto,    -- 27
+        unsupported,  -- 28 -- elsewhere
+        unsupported,  -- 29 -- elsewhere
+        vhcurveto,    -- 30
+        hvcurveto,    -- 31
+    }
+
+    local subactions = {
+        [034] = hflex,
+        [035] = flex,
+        [036] = hflex1,
+        [037] = flex1,
+    }
+
+    local p_bytes = Ct((P(1)/byte)^0)
+
+    local function call(scope,list,bias,process)
+        local index = stack[top] + bias
+        top = top - 1
+        if trace_charstrings then
+            showvalue(scope,index,true)
+        end
+        local str = list[index]
+        if str then
+            if type(str) == "string" then
+                str = lpegmatch(p_bytes,str)
+                list[index] = str
+            end
+            depth = depth + 1
+            process(str)
+            depth = depth - 1
+        else
+            report("unknown %s %i",scope,index)
+        end
+    end
+
+    local function process(tab)
+        local i = 1
+        local n = #tab
+        while i <= n do
+            local t = tab[i]
+            if t >= 32 and t<=246 then
+                -- -107 .. +107
+                top = top + 1
+                stack[top] = t - 139
+                i = i + 1
+            elseif t >= 247 and t <= 250 then
+                -- +108 .. +1131
+                top = top + 1
+                stack[top] = (t-247)*256 + tab[i+1] + 108
+                i = i + 2
+            elseif t >= 251 and t <= 254 then
+                -- -1131 .. -108
+                top = top + 1
+                stack[top] = -(t-251)*256 - tab[i+1] - 108
+                i = i + 2
+            elseif t == 28 then
+                -- -32768 .. +32767 : b1<<8 | b2
+                top = top + 1
+                local n = 0x100 * tab[i+1] + tab[i+2]
+                if n  >= 0x8000 then
+                    stack[top] = n - 0xFFFF - 1
+                else
+                    stack[top] = n
+                end
+                i = i + 3
+            elseif t == 255 then
+                local n = 0x100 * tab[i+1] + tab[i+2]
+                top = top + 1
+                if n  >= 0x8000 then
+                    stack[top] = n - 0xFFFF - 1 + (0x100 * tab[i+3] + tab[i+4])/0xFFFF
+                else
+                    stack[top] = n              + (0x100 * tab[i+3] + tab[i+4])/0xFFFF
+                end
+                i = i + 5
+           elseif t == 11 then
+                if trace_charstrings then
+                    showstate("return")
+                end
+                return
+            elseif t == 10 then
+                call("local",locals,localbias,process)
+                i = i + 1
+             elseif t == 14 then -- endchar
+                if width then
+                    -- okay
+                elseif top > 0 then
+                    width = stack[1]
+                    if trace_charstrings then
+                        showvalue("width",width)
+                    end
+                else
+                    width = true
+                end
+                if trace_charstrings then
+                    showstate("endchar")
+                end
+                return
+            elseif t == 29 then
+                call("global",globals,globalbias,process)
+                i = i + 1
+            elseif t == 12 then
+                i = i + 1
+                local t = tab[i]
+                local a = subactions[t]
+                if a then
+                    a()
+                else
+                    if trace_charstrings then
+                        showvalue("<subaction>",t)
+                    end
+                    top = 0
+                end
+                i = i + 1
+            else
+                local a = actions[t]
+                if a then
+                    local s = a()
+                    if s then
+                        i = i + s
+                    end
+                else
+                    if trace_charstrings then
+                        showvalue("<action>",t)
+                    end
+                    top = 0
+                end
+                i = i + 1
+            end
+        end
+    end
+
+ -- local function calculatebounds(segments,x,y)
+ --     local nofsegments = #segments
+ --     if nofsegments == 0 then
+ --         return { x, y, x, y }
+ --     else
+ --         local xmin =  10000
+ --         local xmax = -10000
+ --         local ymin =  10000
+ --         local ymax = -10000
+ --         if x < xmin then xmin = x end
+ --         if x > xmax then xmax = x end
+ --         if y < ymin then ymin = y end
+ --         if y > ymax then ymax = y end
+ --         -- we now have a reasonable start so we could
+ --         -- simplyfy the next checks
+ --         for i=1,nofsegments do
+ --             local s = segments[i]
+ --             local x = s[1]
+ --             local y = s[2]
+ --             if x < xmin then xmin = x end
+ --             if x > xmax then xmax = x end
+ --             if y < ymin then ymin = y end
+ --             if y > ymax then ymax = y end
+ --             if s[#s] == "c" then -- "curveto"
+ --                 local x = s[3]
+ --                 local y = s[4]
+ --                 if x < xmin then xmin = x elseif x > xmax then xmax = x end
+ --                 if y < ymin then ymin = y elseif y > ymax then ymax = y end
+ --                 local x = s[5]
+ --                 local y = s[6]
+ --                 if x < xmin then xmin = x elseif x > xmax then xmax = x end
+ --                 if y < ymin then ymin = y elseif y > ymax then ymax = y end
+ --             end
+ --         end
+ --         return { round(xmin), round(ymin), round(xmax), round(ymax) } -- doesn't make ceil more sense
+ --     end
+ -- end
+
+    parsecharstrings = function(data,glyphs,doshapes)
+        -- for all charstrings
+        local dictionary  = data.dictionaries[1]
+        local charstrings = dictionary.charstrings
+        local charset     = dictionary.charset
+        keepcurve  = doshapes
+        stack      = { }
+        glyphs     = glyphs or { }
+        strings    = data.strings
+        locals     = dictionary.subroutines
+        globals    = data.routines
+        globalbias = #globals
+        localbias  = #locals
+        globalbias = ((globalbias <  1240 and 107) or (globalbias < 33900 and 1131) or 32768) + 1
+        localbias  = ((localbias  <  1240 and 107) or (localbias  < 33900 and 1131) or 32768) + 1
+        local nominalwidth = dictionary.private.data.nominalwidthx or 0
+        local defaultwidth = dictionary.private.data.defaultwidthx or 0
+
+        for i=1,#charstrings do
+            local str   = charstrings[i]
+            local tab   = lpegmatch(p_bytes,str)
+            local index = i - 1
+            x       = 0
+            y       = 0
+            width   = false
+            r       = 0
+            top     = 0
+            stems   = 0
+            result  = { }
+            --
+            xmin    = 0
+            xmax    = 0
+            ymin    = 0
+            ymax    = 0
+            checked = false
+            --
+            if trace_charstrings then
+                report("glyph: %i",index)
+                report("data: % t",tab)
+            end
+            --
+            process(tab)
+            --
+            local boundingbox = { round(xmin), round(ymin), round(xmax), round(ymax) }
+            --
+            if width == true or width == false then
+                width = defaultwidth
+            else
+                width = nominalwidth + width
+            end
+            --
+         -- trace_charstrings = index == 3078 -- todo: make tracker
+            local glyph = glyphs[index] -- can be autodefined in otr
+            if not glyph then
+                glyphs[index] = {
+                    segments    = doshapes ~= false and result or nil, -- optional
+                    boundingbox = boundingbox,
+                    width       = width,
+                    name        = charset[index],
+                 -- sidebearing = 0,
+                }
+            else
+                glyph.segments    = doshapes ~= false and result or nil
+                glyph.boundingbox = boundingbox
+                if not glyph.width then
+                    glyph.width = width
+                end
+                if charset and not glyph.name then
+                    glyph.name = charset[index]
+                end
+             -- glyph.sidebearing = 0 -- todo
+            end
+            if trace_charstrings then
+                report("width: %s",tostring(width))
+                report("boundingbox: % t",boundingbox)
+            end
+            charstrings[i] = nil -- free memory
+        end
+        return glyphs
+    end
+
+    parsecharstring = function(data,dictionary,charstring,glyphs,index,doshapes)
+        local private = dictionary.private
+        keepcurve  = doshapes
+        strings    = data.strings -- or in dict?
+        locals     = dictionary.subroutines or { }
+        globals    = data.routines or { }
+        globalbias = #globals
+        localbias  = #locals
+        globalbias = ((globalbias <  1240 and 107) or (globalbias < 33900 and 1131) or 32768) + 1
+        localbias  = ((localbias  <  1240 and 107) or (localbias  < 33900 and 1131) or 32768) + 1
+        local nominalwidth = private and private.data.nominalwidthx or 0
+        local defaultwidth = private and private.data.defaultwidthx or 0
+        --
+        local tab = lpegmatch(p_bytes,charstring)
+        x         = 0
+        y         = 0
+        width     = false
+        r         = 0
+        top       = 0
+        stems     = 0
+        result    = { }
+        --
+        xmin      = 0
+        xmax      = 0
+        ymin      = 0
+        ymax      = 0
+        checked   = false
+        --
+        if trace_charstrings then
+            report("glyph: %i",index)
+            report("data: % t",tab)
+        end
+        --
+        process(tab)
+        --
+        local boundingbox = { xmin, ymin, xmax, ymax }
+        --
+        if width == true or width == false then
+            width = defaultwidth
+        else
+            width = nominalwidth + width
+        end
+        --
+        local glyph = glyphs[index] -- can be autodefined in otr
+        if not glyph then
+            glyphs[index] = {
+                segments    = doshapes ~= false and result or nil, -- optional
+                boundingbox = boundingbox,
+                width       = width,
+                name        = charset[index],
+             -- sidebearing = 0,
+            }
+        else
+            glyph.segments    = doshapes ~= false and result or nil
+            glyph.boundingbox = boundingbox
+            if not glyph.width then
+                glyph.width = width
+            end
+            if charset and not glyph.name then
+                glyph.name = charset[index]
+            end
+         -- glyph.sidebearing = 0 -- todo
+        end
+        --
+        if trace_charstrings then
+            report("width: %s",tostring(width))
+            report("boundingbox: % t",boundingbox)
+        end
+        --
+        return charstring
+    end
+
+    resetcharstrings = function()
+        result = { }
+        top    = 0
+        stack  = { }
+    end
+
+end
+
+local function readglobals(f,data)
+    local routines = readlengths(f)
+    for i=1,#routines do
+        routines[i] = readstring(f,routines[i])
+    end
+    data.routines = routines
+end
+
+local function readencodings(f,data)
+    data.encodings = { }
+end
+
+local function readcharsets(f,data,dictionary)
+    local header        = data.header
+    local strings       = data.strings
+    local nofglyphs     = data.nofglyphs
+    local charsetoffset = dictionary.charset
+
+    if charsetoffset ~= 0 then
+        setposition(f,header.offset+charsetoffset)
+        local format       = readbyte(f)
+        local charset      = { [0] = ".notdef" }
+        dictionary.charset = charset
+        if format == 0 then
+            for i=1,nofglyphs do
+                charset[i] = strings[readushort(f)]
+            end
+        elseif format == 1 or format == 2 then
+            local readcount = format == 1 and readbyte or readushort
+            local i = 1
+            while i <= nofglyphs do
+                local sid = readushort(f)
+                local n   = readcount(f)
+                for s=sid,sid+n do
+                    charset[i] = strings[s]
+                    i = i + 1
+                    if i > nofglyphs then
+                        break
+                    end
+                end
+            end
+        else
+            report("cff parser: unsupported charset format %a",format)
+        end
+    end
+end
+
+local function readprivates(f,data)
+    local header       = data.header
+    local dictionaries = data.dictionaries
+    local private      = dictionaries[1].private
+    if private then
+        setposition(f,header.offset+private.offset)
+        private.data = readstring(f,private.size)
+    end
+end
+
+local function readlocals(f,data,dictionary)
+    local header  = data.header
+    local private = dictionary.private
+    if private then
+        local subroutineoffset = private.data.subroutines
+        if subroutineoffset ~= 0 then
+            setposition(f,header.offset+private.offset+subroutineoffset)
+            local subroutines = readlengths(f)
+            for i=1,#subroutines do
+                subroutines[i] = readstring(f,subroutines[i])
+            end
+            dictionary.subroutines = subroutines
+            private.data.subroutines = nil
+        else
+            dictionary.subroutines = { }
+        end
+    else
+        dictionary.subroutines = { }
+    end
+end
+
+-- These charstrings are little programs and described in: Technical Note #5177. A truetype
+-- font has only one dictionary.
+
+local function readcharstrings(f,data)
+    local header       = data.header
+    local dictionaries = data.dictionaries
+    local dictionary   = dictionaries[1]
+    local type         = dictionary.charstringtype
+    local offset       = dictionary.charstrings
+    if type == 2 then
+        setposition(f,header.offset+offset)
+        -- could be a metatable .. delayed loading
+        local charstrings = readlengths(f)
+        local nofglyphs   = #charstrings
+        for i=1,nofglyphs do
+            charstrings[i] = readstring(f,charstrings[i])
+        end
+        data.nofglyphs         = nofglyphs
+        dictionary.charstrings = charstrings
+    else
+        report("unsupported charstr type %i",type)
+        data.nofglyphs         = 0
+        dictionary.charstrings = { }
+    end
+end
+
+-- cid (maybe do this stepwise so less mem) -- share with above
+
+local function readcidprivates(f,data)
+    local header       = data.header
+    local dictionaries = data.dictionaries[1].cid.dictionaries
+    for i=1,#dictionaries do
+        local dictionary = dictionaries[i]
+        local private    = dictionary.private
+        if private then
+            setposition(f,header.offset+private.offset)
+            private.data = readstring(f,private.size)
+        end
+    end
+    parseprivates(data,dictionaries)
+end
+
+local function readnoselect(f,data,glyphs,doshapes)
+    local dictionaries = data.dictionaries
+    local dictionary   = dictionaries[1]
+    readglobals(f,data)
+    readcharstrings(f,data)
+    readencodings(f,data)
+    readcharsets(f,data,dictionary)
+    readprivates(f,data)
+    parseprivates(data,data.dictionaries)
+    readlocals(f,data,dictionary)
+    parsecharstrings(data,glyphs,doshapes)
+    resetcharstrings()
+end
+
+local function readfdselect(f,data,glyphs,doshapes)
+    local header       = data.header
+    local dictionaries = data.dictionaries
+    local dictionary   = dictionaries[1]
+    local cid          = dictionary.cid
+    local cidselect    = cid and cid.fdselect
+    readglobals(f,data)
+    readcharstrings(f,data)
+    readencodings(f,data)
+    local charstrings  = dictionary.charstrings
+    local fdindex      = { }
+    local nofglyphs    = data.nofglyphs
+    local maxindex     = -1
+    setposition(f,header.offset+cidselect)
+    local format       = readbyte(f)
+    if format == 1 then
+        for i=0,nofglyphs do -- notdef included (needs checking)
+            local index = readbyte(i)
+            fdindex[i] = index
+            if index > maxindex then
+                maxindex = index
+            end
+        end
+    elseif format == 3 then
+        local nofranges = readushort(f)
+        local first     = readushort(f)
+        local index     = readbyte(f)
+        while true do
+            local last = readushort(f)
+            if index > maxindex then
+                maxindex = index
+            end
+            for i=first,last do
+                fdindex[i] = index
+            end
+            if last >= nofglyphs then
+                break
+            else
+                first = last + 1
+                index = readbyte(f)
+            end
+        end
+    else
+        -- unsupported format
+    end
+    if maxindex >= 0 then
+        local cidarray = cid.fdarray
+        setposition(f,header.offset+cidarray)
+        local dictionaries = readlengths(f)
+        for i=1,#dictionaries do
+            dictionaries[i] = readstring(f,dictionaries[i])
+        end
+        parsedictionaries(data,dictionaries)
+        cid.dictionaries = dictionaries
+        readcidprivates(f,data)
+        for i=1,#dictionaries do
+            readlocals(f,data,dictionaries[i])
+        end
+        for i=1,#charstrings do
+            parsecharstring(data,dictionaries[fdindex[i]+1],charstrings[i],glyphs,i,doshapes)
+        end
+        resetcharstrings()
+    end
+end
+
+function readers.cff(f,fontdata,specification)
+--     if specification.glyphs then
+    if specification.details then
+        local datatable = fontdata.tables.cff
+        if datatable then
+            local offset = datatable.offset
+            local glyphs = fontdata.glyphs
+            if not f then
+                report("invalid filehandle")
+                return
+            end
+            if offset then
+                setposition(f,offset)
+            end
+            local header = readheader(f)
+            if header.major > 1 then
+                report("version mismatch")
+                return
+            end
+            local names        = readfontnames(f)
+            local dictionaries = readtopdictionaries(f)
+            local strings      = readstrings(f)
+            local data = {
+                header       = header,
+                names        = names,
+                dictionaries = dictionaries,
+                strings      = strings,
+                nofglyphs    = fontdata.nofglyphs,
+            }
+            --
+            parsedictionaries(data,data.dictionaries)
+            --
+            local d = dictionaries[1]
+            local c = d.cid
+            fontdata.cffinfo = {
+                familynamename     = d.familyname,
+                fullname           = d.fullname,
+                boundingbox        = d.boundingbox,
+                weight             = d.weight,
+                italicangle        = d.italicangle,
+                underlineposition  = d.underlineposition,
+                underlinethickness = d.underlinethickness,
+                monospaced         = d.monospaced,
+            }
+            fontdata.cidinfo = c and {
+                registry   = c.registry,
+                ordering   = c.ordering,
+                supplement = c.supplement,
+            }
+            --
+            if not specification.glyphs then
+                -- we only want some metadata
+            else
+                local cid = d.cid
+                if cid and cid.fdselect then
+                    readfdselect(f,data,glyphs,specification.shapes or false)
+                else
+                    readnoselect(f,data,glyphs,specification.shapes or false)
+                end
+            end
+            --
+            -- cleanup (probably more can go)
+            --
+         -- for i=1,#dictionaries do
+         --     local d = dictionaries[i]
+         --     d.subroutines = nil
+         -- end
+         -- data.strings = nil
+         -- if data then
+         --     data.charstrings  = nil
+         --     data.routines     = nil
+         -- end
+        end
+    end
+end
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-con.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-con.lua
index 55d7793cf91..e5bf9e9c1d9 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-con.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-con.lua
@@ -682,6 +682,8 @@ function constructors.scale(tfmdata,specification)
         if isunicode then
             chr.unicode   = isunicode
             chr.tounicode = tounicode(isunicode)
+            -- in luatex > 0.85 we can do this:
+         -- chr.tounicode = isunicode
         end
         if hasquality then
             -- we could move these calculations elsewhere (saves calculations)
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts-inj.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-inj.lua
index 36781f72f34..89370210d41 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts-inj.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-inj.lua
@@ -74,7 +74,6 @@ local nofregisteredkerns    = 0
 local nofregisteredpairs    = 0
 local nofregisteredmarks    = 0
 local nofregisteredcursives = 0
------ markanchors           = { } -- one base can have more marks
 local keepregisteredcounts  = false
 
 function injections.keepcounts()
@@ -91,10 +90,41 @@ end
 
 -- We need to make sure that a possible metatable will not kick in unexpectedly.
 
+-- function injections.reset(n)
+--     local p = rawget(properties,n)
+--     if p and rawget(p,"injections") then
+--         p.injections = nil
+--     end
+-- end
+
+-- function injections.copy(target,source)
+--     local sp = rawget(properties,source)
+--     if sp then
+--         local tp = rawget(properties,target)
+--         local si = rawget(sp,"injections")
+--         if si then
+--             si = fastcopy(si)
+--             if tp then
+--                 tp.injections = si
+--             else
+--                 propertydata[target] = {
+--                     injections = si,
+--                 }
+--             end
+--         else
+--             if tp then
+--                 tp.injections = nil
+--             end
+--         end
+--     end
+-- end
+
 function injections.reset(n)
     local p = rawget(properties,n)
-    if p and rawget(p,"injections") then
-        p.injections = nil
+    if p then
+        p.injections = false -- { }
+    else
+        properties[n] = false -- { injections = { } }
     end
 end
 
@@ -112,10 +142,17 @@ function injections.copy(target,source)
                     injections = si,
                 }
             end
+        elseif tp then
+            tp.injections = false -- { }
         else
-            if tp then
-                tp.injections = nil
-            end
+            properties[target] = { injections = { } }
+        end
+    else
+        local tp = rawget(properties,target)
+        if tp then
+            tp.injections = false -- { }
+        else
+            properties[target] = false -- { injections = { } }
         end
     end
 end
@@ -367,10 +404,11 @@ local function show(n,what,nested,symbol)
                 local markx     = i.markx     or 0
                 local marky     = i.marky     or 0
                 local markdir   = i.markdir   or 0
-                local markbase  = i.markbase  or 0 -- will be markbasenode
+                local markbase  = i.markbase  or 0
                 local cursivex  = i.cursivex  or 0
                 local cursivey  = i.cursivey  or 0
                 local ligaindex = i.ligaindex or 0
+                local cursbase  = i.cursiveanchor
                 local margin    = nested and 4 or 2
                 --
                 if rightkern ~= 0 or yoffset ~= 0 then
@@ -382,7 +420,13 @@ local function show(n,what,nested,symbol)
                     report_injections("%w%s mark: dx %p, dy %p, dir %s, base %s",margin,symbol,markx,marky,markdir,markbase ~= 0 and "yes" or "no")
                 end
                 if cursivex ~= 0 or cursivey ~= 0 then
-                    report_injections("%w%s curs: dx %p, dy %p",margin,symbol,cursivex,cursivey)
+                    if cursbase then
+                        report_injections("%w%s curs: base dx %p, dy %p",margin,symbol,cursivex,cursivey)
+                    else
+                        report_injections("%w%s curs: dx %p, dy %p",margin,symbol,cursivex,cursivey)
+                    end
+                elseif cursbase then
+                    report_injections("%w%s curs: base",margin,symbol)
                 end
                 if ligaindex ~= 0 then
                     report_injections("%w%s liga: index %i",margin,symbol,ligaindex)
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-map.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-map.lua
index b645d9aef2b..dc3f499abcc 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-map.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-map.lua
@@ -74,6 +74,71 @@ end
 local f_single = formatters["%04X"]
 local f_double = formatters["%04X%04X"]
 
+-- 0.684 0.661 0,672 0.650 : cache at lua end (more mem)
+-- 0.682 0,672 0.698 0.657 : no cache (moderate mem i.e. lua strings)
+-- 0.644 0.647 0.655 0.645 : convert in c (less mem in theory)
+
+-- local tounicodes = table.setmetatableindex(function(t,unicode)
+--     local s
+--     if unicode < 0x10000 then
+--         s = f_single(unicode)
+--     elseif unicode < 0x1FFFFFFFFF then
+--         s = f_double(floor(unicode/1024),unicode%1024+0xDC00)
+--     else
+--         s = false
+--     end
+--     t[unicode] = s
+--     return s
+-- end)
+--
+-- local function tounicode16(unicode,name)
+--     local s = tounicodes[unicode]
+--     if s then
+--         return s
+--     else
+--         report_fonts("can't convert %a in %a into tounicode",unicode,name)
+--     end
+-- end
+--
+-- local function tounicode16sequence(unicodes,name)
+--     local t = { }
+--     for l=1,#unicodes do
+--         local u = unicodes[l]
+--         local s = tounicodes[u]
+--         if s then
+--             t[l] = s
+--         else
+--             report_fonts ("can't convert %a in %a into tounicode",u,name)
+--             return
+--         end
+--     end
+--     return concat(t)
+-- end
+--
+-- local function tounicode(unicode,name)
+--     if type(unicode) == "table" then
+--         local t = { }
+--         for l=1,#unicode do
+--             local u = unicode[l]
+--             local s = tounicodes[u]
+--             if s then
+--                 t[l] = s
+--             else
+--                 report_fonts ("can't convert %a in %a into tounicode",u,name)
+--                 return
+--             end
+--         end
+--         return concat(t)
+--     else
+--         local s = tounicodes[unicode]
+--         if s then
+--             return s
+--         else
+--             report_fonts("can't convert %a in %a into tounicode",unicode,name)
+--         end
+--     end
+-- end
+
 local function tounicode16(unicode,name)
     if unicode < 0x10000 then
         return f_single(unicode)
@@ -126,7 +191,6 @@ local function tounicode(unicode,name)
     end
 end
 
-
 local function fromunicode16(str)
     if #str == 4 then
         return tonumber(str,16)
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-otf.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-otf.lua
index f709e70006a..0471c172b85 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-otf.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-otf.lua
@@ -58,7 +58,7 @@ local otf                = fonts.handlers.otf
 
 otf.glists               = { "gsub", "gpos" }
 
-otf.version              = 2.819 -- beware: also sync font-mis.lua and in mtx-fonts
+otf.version              = 2.820 -- beware: also sync font-mis.lua and in mtx-fonts
 otf.cache                = containers.define("fonts", "otf", otf.version, true)
 
 local hashes             = fonts.hashes
@@ -296,7 +296,8 @@ local ordered_enhancers = {
 
     "expand lookups", -- a temp hack awaiting the lua loader
 
---     "check extra features", -- after metadata and duplicates
+--[[phg-- PATCH: Next line restores font features --phg]]--
+    "check extra features", -- after metadata and duplicates
 
     "cleanup tables",
 
@@ -600,7 +601,9 @@ function otf.load(filename,sub,featurefile) -- second argument (format) is gone
             applyruntimefixes(filename,data)
         end
         enhance("add dimensions",data,filename,nil,false)
+--[[phg-- This was hand-patched to restore the fontloader
 enhance("check extra features",data,filename)
+--phg]]--
         if trace_sequences then
             showfeatureorder(data,filename)
         end
@@ -2959,7 +2962,7 @@ otf.coverup = {
         kern         = justset,
     },
     register = function(coverage,lookuptype,format,feature,n,descriptions,resources)
-        local name = formatters["ctx_%s_%s"](feature,n)
+        local name = formatters["ctx_%s_%s_%s"](feature,lookuptype,n) -- we can have a mix of types
         if lookuptype == "kern" then
             resources.lookuptypes[name] = "position"
         else
@@ -2973,7 +2976,6 @@ otf.coverup = {
             else
                 description.slookups = { [name] = c }
             end
--- inspect(feature,description)
         end
         return name
     end
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-oti.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-oti.lua
index 06c2a42fac2..bacd001a5e8 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-oti.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-oti.lua
@@ -13,9 +13,11 @@ local constructors       = fonts.constructors
 
 local otf                = constructors.newhandler("otf")
 local otffeatures        = constructors.newfeatures("otf")
-local otftables          = otf.tables
 local registerotffeature = otffeatures.register
 
+local otftables          = otf.tables or { }
+otf.tables               = otftables
+
 local allocate           = utilities.storage.allocate
 
 registerotffeature {
@@ -89,3 +91,68 @@ registerotffeature {
     }
 }
 
+-- here (as also in generic
+
+otftables.featuretypes = allocate {
+    gpos_single              = "position",
+    gpos_pair                = "position",
+    gpos_cursive             = "position",
+    gpos_mark2base           = "position",
+    gpos_mark2ligature       = "position",
+    gpos_mark2mark           = "position",
+    gpos_context             = "position",
+    gpos_contextchain        = "position",
+    gsub_single              = "substitution",
+    gsub_multiple            = "substitution",
+    gsub_alternate           = "substitution",
+    gsub_ligature            = "substitution",
+    gsub_context             = "substitution",
+    gsub_contextchain        = "substitution",
+    gsub_reversecontextchain = "substitution",
+    gsub_reversesub          = "substitution",
+}
+
+function otffeatures.checkeddefaultscript(featuretype,autoscript,scripts)
+    if featuretype == "position" then
+        local default = scripts.dflt
+        if default then
+            if autoscript == "position" or autoscript == true then
+                return default
+            else
+                report_otf("script feature %s not applied, enable default positioning")
+            end
+        else
+            -- no positioning at all
+        end
+    elseif featuretype == "substitution" then
+        local default = scripts.dflt
+        if default then
+            if autoscript == "substitution" or autoscript == true then
+                return default
+            end
+        end
+    end
+end
+
+function otffeatures.checkeddefaultlanguage(featuretype,autolanguage,languages)
+    if featuretype == "position" then
+        local default = languages.dflt
+        if default then
+            if autolanguage == "position" or autolanguage == true then
+                return default
+            else
+                report_otf("language feature %s not applied, enable default positioning")
+            end
+        else
+            -- no positioning at all
+        end
+    elseif featuretype == "substitution" then
+        local default = languages.dflt
+        if default then
+            if autolanguage == "substitution" or autolanguage == true then
+                return default
+            end
+        end
+    end
+end
+
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts-otn.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-otn.lua
index 7fafadbc4fd..b48aea761c8 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts-otn.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-otn.lua
@@ -132,7 +132,7 @@ results in different tables.</p>
 -- gpos_context              ok          --
 -- gpos_contextchain         ok          --
 --
--- todo: contextpos and contextsub and class stuff
+-- todo: contextpos
 --
 -- actions:
 --
@@ -212,7 +212,9 @@ local tonut              = nuts.tonut
 local getfield           = nuts.getfield
 local setfield           = nuts.setfield
 local getnext            = nuts.getnext
+local setnext            = nuts.setnext
 local getprev            = nuts.getprev
+local setprev            = nuts.setprev
 local getid              = nuts.getid
 local getattr            = nuts.getattr
 local setattr            = nuts.setattr
@@ -220,7 +222,9 @@ local getprop            = nuts.getprop
 local setprop            = nuts.setprop
 local getfont            = nuts.getfont
 local getsubtype         = nuts.getsubtype
+local setsubtype         = nuts.setsubtype
 local getchar            = nuts.getchar
+local setchar            = nuts.setchar
 
 local insert_node_before = nuts.insert_before
 local insert_node_after  = nuts.insert_after
@@ -243,7 +247,6 @@ local wildcard           = "*"
 local default            = "dflt"
 
 local nodecodes          = nodes.nodecodes
-local whatcodes          = nodes.whatcodes
 local glyphcodes         = nodes.glyphcodes
 local disccodes          = nodes.disccodes
 
@@ -251,9 +254,9 @@ local glyph_code         = nodecodes.glyph
 local glue_code          = nodecodes.glue
 local disc_code          = nodecodes.disc
 local math_code          = nodecodes.math
+local dir_code           = nodecodes.dir
+local localpar_code      = nodecodes.localpar
 
-local dir_code           = whatcodes.dir
-local localpar_code      = whatcodes.localpar
 local discretionary_code = disccodes.discretionary
 local ligature_code      = glyphcodes.ligature
 
@@ -412,8 +415,8 @@ local function flattendisk(head,disc)
         if replace then
             if next then
                 local tail = find_node_tail(replace)
-                setfield(tail,"next",next)
-                setfield(next,"prev",tail)
+                setnext(tail,next)
+                setprev(next,tail)
             end
             return replace, replace
         elseif next then
@@ -427,17 +430,17 @@ local function flattendisk(head,disc)
         if replace then
             local tail = find_node_tail(replace)
             if next then
-                setfield(tail,"next",next)
-                setfield(next,"prev",tail)
+                setnext(tail,next)
+                setprev(next,tail)
             end
-            setfield(prev,"next",replace)
-            setfield(replace,"prev",prev)
+            setnext(prev,replace)
+            setprev(replace,prev)
             return head, replace
         else
             if next then
-                setfield(next,"prev",prev)
+                setprev(next,prev)
             end
-            setfield(prev,"next",next)
+            setnext(prev,next)
             return head, next
         end
     end
@@ -451,14 +454,14 @@ local function appenddisc(disc,list)
     local ptail   = find_node_tail(post)
     local rtail   = find_node_tail(replace)
     if post then
-        setfield(ptail,"next",phead)
-        setfield(phead,"prev",ptail)
+        setnext(ptail,phead)
+        setprev(phead,ptail)
     else
         setfield(disc,"post",phead)
     end
     if replace then
-        setfield(rtail,"next",rhead)
-        setfield(rhead,"prev",rtail)
+        setnext(rtail,rhead)
+        setprev(rhead,rtail)
     else
         setfield(disc,"replace",rhead)
     end
@@ -472,24 +475,24 @@ local function markstoligature(kind,lookupname,head,start,stop,char)
     else
         local prev = getprev(start)
         local next = getnext(stop)
-        setfield(start,"prev",nil)
-        setfield(stop,"next",nil)
+        setprev(start,nil)
+        setnext(stop,nil)
         local base = copy_glyph(start)
         if head == start then
             head = base
         end
         resetinjection(base)
-        setfield(base,"char",char)
-        setfield(base,"subtype",ligature_code)
+        setchar(base,char)
+        setsubtype(base,ligature_code)
         setfield(base,"components",start)
         if prev then
-            setfield(prev,"next",base)
+            setnext(prev,base)
         end
         if next then
-            setfield(next,"prev",base)
+            setprev(next,base)
         end
-        setfield(base,"next",next)
-        setfield(base,"prev",prev)
+        setnext(base,next)
+        setprev(base,prev)
         return head, base
     end
 end
@@ -528,7 +531,7 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun
     end
     if start == stop and getchar(start) == char then
         resetinjection(start)
-        setfield(start,"char",char)
+        setchar(start,char)
         return head, start
     end
     -- needs testing (side effects):
@@ -541,24 +544,24 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun
     local prev = getprev(start)
     local next = getnext(stop)
     local comp = start
-    setfield(start,"prev",nil)
-    setfield(stop,"next",nil)
+    setprev(start,nil)
+    setnext(stop,nil)
     local base = copy_glyph(start)
     if start == head then
         head = base
     end
     resetinjection(base)
-    setfield(base,"char",char)
-    setfield(base,"subtype",ligature_code)
+    setchar(base,char)
+    setsubtype(base,ligature_code)
     setfield(base,"components",comp) -- start can have components ... do we need to flush?
     if prev then
-        setfield(prev,"next",base)
+        setnext(prev,base)
     end
     if next then
-        setfield(next,"prev",base)
+        setprev(next,base)
     end
-    setfield(base,"prev",prev)
-    setfield(base,"next",next)
+    setprev(base,prev)
+    setnext(base,next)
     if not discfound then
         local deletemarks = markflag ~= "mark"
         local components = start
@@ -602,8 +605,8 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun
         end
     else
         -- discfound ... forget about marks .. probably no scripts that hyphenate and have marks
-        local discprev = getfield(discfound,"prev")
-        local discnext = getfield(discfound,"next")
+        local discprev = getprev(discfound)
+        local discnext = getnext(discfound)
         if discprev and discnext then
             -- we assume normalization in context, and don't care about generic ... especially
             -- \- can give problems as there we can have a negative char but that won't match
@@ -612,34 +615,34 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun
             local post    = getfield(discfound,"post")
             local replace = getfield(discfound,"replace")
             if not replace then -- todo: signal simple hyphen
-                local prev = getfield(base,"prev")
+                local prev = getprev(base)
                 local copied = copy_node_list(comp)
-                setfield(discnext,"prev",nil) -- also blocks funny assignments
-                setfield(discprev,"next",nil) -- also blocks funny assignments
+                setprev(discnext,nil) -- also blocks funny assignments
+                setnext(discprev,nil) -- also blocks funny assignments
                 if pre then
-                    setfield(discprev,"next",pre)
-                    setfield(pre,"prev",discprev)
+                    setnext(discprev,pre)
+                    setprev(pre,discprev)
                 end
                 pre = comp
                 if post then
                     local tail = find_node_tail(post)
-                    setfield(tail,"next",discnext)
-                    setfield(discnext,"prev",tail)
-                    setfield(post,"prev",nil)
+                    setnext(tail,discnext)
+                    setprev(discnext,tail)
+                    setprev(post,nil)
                 else
                     post = discnext
                 end
-                setfield(prev,"next",discfound)
-                setfield(discfound,"prev",prev)
-                setfield(discfound,"next",next)
-                setfield(next,"prev",discfound)
-                setfield(base,"next",nil)
-                setfield(base,"prev",nil)
+                setnext(prev,discfound)
+                setprev(discfound,prev)
+                setnext(discfound,next)
+                setprev(next,discfound)
+                setnext(base,nil)
+                setprev(base,nil)
                 setfield(base,"components",copied)
                 setfield(discfound,"pre",pre)
                 setfield(discfound,"post",post)
                 setfield(discfound,"replace",base)
-                setfield(discfound,"subtype",discretionary_code)
+                setsubtype(discfound,discretionary_code)
                 base = prev -- restart
             end
         end
@@ -651,7 +654,7 @@ local function multiple_glyphs(head,start,multiple,ignoremarks)
     local nofmultiples = #multiple
     if nofmultiples > 0 then
         resetinjection(start)
-        setfield(start,"char",multiple[1])
+        setchar(start,multiple[1])
         if nofmultiples > 1 then
             local sn = getnext(start)
             for k=2,nofmultiples do -- todo: use insert_node
@@ -662,13 +665,13 @@ local function multiple_glyphs(head,start,multiple,ignoremarks)
 -- end
                 local n = copy_node(start) -- ignore components
                 resetinjection(n)
-                setfield(n,"char",multiple[k])
-                setfield(n,"prev",start)
-                setfield(n,"next",sn)
+                setchar(n,multiple[k])
+                setprev(n,start)
+                setnext(n,sn)
                 if sn then
-                    setfield(sn,"prev",n)
+                    setprev(sn,n)
                 end
-                setfield(start,"next",n)
+                setnext(start,n)
                 start = n
             end
         end
@@ -720,7 +723,7 @@ function handlers.gsub_single(head,start,kind,lookupname,replacement)
         logprocess("%s: replacing %s by single %s",pref(kind,lookupname),gref(getchar(start)),gref(replacement))
     end
     resetinjection(start)
-    setfield(start,"char",replacement)
+    setchar(start,replacement)
     return head, start, true
 end
 
@@ -732,7 +735,7 @@ function handlers.gsub_alternate(head,start,kind,lookupname,alternative,sequence
             logprocess("%s: replacing %s by alternative %a to %s, %s",pref(kind,lookupname),gref(getchar(start)),choice,gref(choice),comment)
         end
         resetinjection(start)
-        setfield(start,"char",choice)
+        setchar(start,choice)
     else
         if trace_alternatives then
             logwarning("%s: no variant %a for %s, %s",pref(kind,lookupname),value,gref(getchar(start)),comment)
@@ -830,7 +833,7 @@ function handlers.gsub_ligature(head,start,kind,lookupname,ligature,sequence)
             else
                 -- weird but happens (in some arabic font)
                 resetinjection(start)
-                setfield(start,"char",lig)
+                setchar(start,lig)
                 if trace_ligatures then
                     logprocess("%s: replacing %s by (no real) ligature %s case 3",pref(kind,lookupname),gref(startchar),gref(lig))
                 end
@@ -1207,7 +1210,7 @@ function chainprocs.reversesub(head,start,stop,kind,chainname,currentcontext,loo
             logprocess("%s: single reverse replacement of %s by %s",cref(kind,chainname),gref(char),gref(replacement))
         end
         resetinjection(start)
-        setfield(start,"char",replacement)
+        setchar(start,replacement)
         return head, start, true
     else
         return head, start, false
@@ -1238,7 +1241,7 @@ as less as needed but that would also make the code even more messy.</p>
 --         repeat -- start x x m x x stop => start m
 --             local next = getnext(start)
 --             if not marks[getchar(next)] then
---                 local components = getfield(next,"components")
+--                 local components = getnext(next,"components")
 --                 if components then -- probably not needed
 --                     flush_node_list(components)
 --                 end
@@ -1291,7 +1294,7 @@ function chainprocs.gsub_single(head,start,stop,kind,chainname,currentcontext,lo
                         logprocess("%s: replacing single %s by %s",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(currentchar),gref(replacement))
                     end
                     resetinjection(current)
-                    setfield(current,"char",replacement)
+                    setchar(current,replacement)
                 end
             end
             return head, start, true
@@ -1368,7 +1371,7 @@ function chainprocs.gsub_alternate(head,start,stop,kind,chainname,currentcontext
                             logprocess("%s: replacing %s by alternative %a to %s, %s",cref(kind,chainname,chainlookupname,lookupname),gref(char),choice,gref(choice),comment)
                         end
                         resetinjection(start)
-                        setfield(start,"char",choice)
+                        setchar(start,choice)
                     else
                         if trace_alternatives then
                             logwarning("%s: no variant %a for %s, %s",cref(kind,chainname,chainlookupname,lookupname),value,gref(char),comment)
@@ -1936,13 +1939,13 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
             local tail = nil
             if prev then
                 tail = prev
-                setfield(current,"prev",sweepnode)
+                setprev(current,sweepnode)
             else
                 tail = find_node_tail(head)
             end
-            setfield(sweepnode,"next",current)
-            setfield(head,"prev",nil)
-            setfield(tail,"next",nil)
+            setnext(sweepnode,current)
+            setprev(head,nil)
+            setnext(tail,nil)
             appenddisc(sweepnode,head)
         end
     end
@@ -2036,12 +2039,12 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
             cprev         = getprev(cprev)
         end
 
-        setfield(lookaheaddisc,"prev",cprev)
+        setprev(lookaheaddisc,cprev)
         if cprev then
-            setfield(cprev,"next",lookaheaddisc)
+            setnext(cprev,lookaheaddisc)
         end
-        setfield(cf,"prev",nil)
-        setfield(cl,"next",nil)
+        setprev(cf,nil)
+        setnext(cl,nil)
         if startishead then
             head = lookaheaddisc
         end
@@ -2064,13 +2067,13 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
             new, cnew, ok = chainproc(new,cnew,clast,kind,chainname,ck,lookuphash,chainlookup,chainlookupname,nil,sequence)
         end
         if pre then
-            setfield(cl,"next",pre)
-            setfield(pre,"prev",cl)
+            setnext(cl,pre)
+            setprev(pre,cl)
         end
         if replace then
             local tail = find_node_tail(new)
-            setfield(tail,"next",replace)
-            setfield(replace,"prev",tail)
+            setnext(tail,replace)
+            setprev(replace,tail)
         end
         setfield(lookaheaddisc,"pre",cf)      -- also updates tail
         setfield(lookaheaddisc,"replace",new) -- also updates tail
@@ -2092,11 +2095,11 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
             cnext         = getnext(cnext)
         end
         if cnext then
-            setfield(cnext,"prev",backtrackdisc)
+            setprev(cnext,backtrackdisc)
         end
-        setfield(backtrackdisc,"next",cnext)
-        setfield(cf,"prev",nil)
-        setfield(cl,"next",nil)
+        setnext(backtrackdisc,cnext)
+        setprev(cf,nil)
+        setnext(cl,nil)
         local replace = getfield(backtrackdisc,"replace")
         local post    = getfield(backtrackdisc,"post")
         local new     = copy_node_list(cf)
@@ -2116,15 +2119,15 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
         end
         if post then
             local tail = find_node_tail(post)
-            setfield(tail,"next",cf)
-            setfield(cf,"prev",tail)
+            setnext(tail,cf)
+            setprev(cf,tail)
         else
             post = cf
         end
         if replace then
             local tail = find_node_tail(replace)
-            setfield(tail,"next",new)
-            setfield(new,"prev",tail)
+            setnext(tail,new)
+            setprev(new,tail)
         else
             replace = new
         end
@@ -2700,26 +2703,49 @@ otf.chainhandlers = {
     verbose = verbose_handle_contextchain,
 }
 
+local handle_contextchain = nil
+
+-- normal_handle_contextchain(head,start,kind,chainname,contexts,sequence,lookuphash)
+
+function chained_contextchain(head,start,stop,...)
+    local steps    = currentlookup.steps
+    local nofsteps = currentlookup.nofsteps
+    if nofsteps > 1 then
+        reportmoresteps(dataset,sequence)
+    end
+    return handle_contextchain(head,start,...)
+end
+
 function otf.setcontextchain(method)
     if not method or method == "normal" or not otf.chainhandlers[method] then
-        if handlers.contextchain then -- no need for a message while making the format
+        if handle_contextchain then -- no need for a message while making the format
             logwarning("installing normal contextchain handler")
         end
-        handlers.contextchain = normal_handle_contextchain
+        handle_contextchain = normal_handle_contextchain
     else
         logwarning("installing contextchain handler %a",method)
         local handler = otf.chainhandlers[method]
-        handlers.contextchain = function(...)
+        handle_contextchain = function(...)
             return handler(currentfont,...) -- hm, get rid of ...
         end
     end
-    handlers.gsub_context             = handlers.contextchain
-    handlers.gsub_contextchain        = handlers.contextchain
-    handlers.gsub_reversecontextchain = handlers.contextchain
-    handlers.gpos_contextchain        = handlers.contextchain
-    handlers.gpos_context             = handlers.contextchain
+
+    handlers.gsub_context             = handle_contextchain
+    handlers.gsub_contextchain        = handle_contextchain
+    handlers.gsub_reversecontextchain = handle_contextchain
+    handlers.gpos_contextchain        = handle_contextchain
+    handlers.gpos_context             = handle_contextchain
+
+    handlers.contextchain = handle_contextchain
+
 end
 
+chainprocs.gsub_context             = chained_contextchain
+chainprocs.gsub_contextchain        = chained_contextchain
+chainprocs.gsub_reversecontextchain = chained_contextchain
+chainprocs.gpos_contextchain        = chained_contextchain
+chainprocs.gpos_context             = chained_contextchain
+
 otf.setcontextchain()
 
 local missing = { } -- we only report once
@@ -2759,20 +2785,33 @@ end)
 
 -- fonts.hashes.lookups = lookuphashes
 
-local autofeatures = fonts.analyzers.features -- was: constants
+local autofeatures    = fonts.analyzers.features
+local featuretypes    = otf.tables.featuretypes
+local defaultscript   = otf.features.checkeddefaultscript
+local defaultlanguage = otf.features.checkeddefaultlanguage
 
-local function initialize(sequence,script,language,enabled)
+local function initialize(sequence,script,language,enabled,autoscript,autolanguage)
     local features = sequence.features
     if features then
         local order = sequence.order
         if order then
-            for i=1,#order do --
-                local kind  = order[i] --
+            local featuretype = featuretypes[sequence.type or "unknown"]
+            for i=1,#order do
+                local kind  = order[i]
                 local valid = enabled[kind]
                 if valid then
-                    local scripts = features[kind] --
-                    local languages = scripts[script] or scripts[wildcard]
-                    if languages and (languages[language] or languages[wildcard]) then
+                    local scripts   = features[kind]
+                    local languages = scripts and (
+                        scripts[script] or
+                        scripts[wildcard] or
+                        (autoscript and defaultscript(featuretype,autoscript,scripts))
+                    )
+                    local enabled = languages and (
+                        languages[language] or
+                        languages[wildcard] or
+                        (autolanguage and defaultlanguage(featuretype,autolanguage,languages))
+                    )
+                    if enabled then
                         return { valid, autofeatures[kind] or false, sequence, kind }
                     end
                 end
@@ -2785,11 +2824,13 @@ local function initialize(sequence,script,language,enabled)
 end
 
 function otf.dataset(tfmdata,font) -- generic variant, overloaded in context
-    local shared     = tfmdata.shared
-    local properties = tfmdata.properties
-    local language   = properties.language or "dflt"
-    local script     = properties.script   or "dflt"
-    local enabled    = shared.features
+    local shared       = tfmdata.shared
+    local properties   = tfmdata.properties
+    local language     = properties.language or "dflt"
+    local script       = properties.script   or "dflt"
+    local enabled      = shared.features
+    local autoscript   = enabled and enabled.autoscript
+    local autolanguage = enabled and enabled.autolanguage
     local res = resolved[font]
     if not res then
         res = { }
@@ -2808,7 +2849,7 @@ function otf.dataset(tfmdata,font) -- generic variant, overloaded in context
         rs[language] = rl
         local sequences = tfmdata.resources.sequences
         for s=1,#sequences do
-            local v = enabled and initialize(sequences[s],script,language,enabled)
+            local v = enabled and initialize(sequences[s],script,language,enabled,autoscript,autolanguage)
             if v then
                 rl[#rl+1] = v
             end
@@ -2856,11 +2897,11 @@ local function kernrun(disc,run)
         -- go on
     elseif prev then
         local nest = getprev(pre)
-        setfield(pre,"prev",prev)
-        setfield(prev,"next",pre)
+        setprev(pre,prev)
+        setnext(prev,pre)
         run(prevmarks,"preinjections")
-        setfield(pre,"prev",nest)
-        setfield(prev,"next",disc)
+        setprev(pre,nest)
+        setnext(prev,disc)
     else
         run(pre,"preinjections")
     end
@@ -2869,48 +2910,48 @@ local function kernrun(disc,run)
         -- go on
     elseif next then
         local tail = find_node_tail(post)
-        setfield(tail,"next",next)
-        setfield(next,"prev",tail)
+        setnext(tail,next)
+        setprev(next,tail)
         run(post,"postinjections",next)
-        setfield(tail,"next",nil)
-        setfield(next,"prev",disc)
+        setnext(tail,nil)
+        setprev(next,disc)
     else
         run(post,"postinjections")
     end
     --
     if not replace and prev and next then
         -- this should be already done by discfound
-        setfield(prev,"next",next)
-        setfield(next,"prev",prev)
+        setnext(prev,next)
+        setprev(next,prev)
         run(prevmarks,"injections",next)
-        setfield(prev,"next",disc)
-        setfield(next,"prev",disc)
+        setnext(prev,disc)
+        setprev(next,disc)
     elseif prev and next then
         local tail = find_node_tail(replace)
         local nest = getprev(replace)
-        setfield(replace,"prev",prev)
-        setfield(prev,"next",replace)
-        setfield(tail,"next",next)
-        setfield(next,"prev",tail)
+        setprev(replace,prev)
+        setnext(prev,replace)
+        setnext(tail,next)
+        setprev(next,tail)
         run(prevmarks,"replaceinjections",next)
-        setfield(replace,"prev",nest)
-        setfield(prev,"next",disc)
-        setfield(tail,"next",nil)
-        setfield(next,"prev",disc)
+        setprev(replace,nest)
+        setnext(prev,disc)
+        setnext(tail,nil)
+        setprev(next,disc)
     elseif prev then
         local nest = getprev(replace)
-        setfield(replace,"prev",prev)
-        setfield(prev,"next",replace)
+        setprev(replace,prev)
+        setnext(prev,replace)
         run(prevmarks,"replaceinjections")
-        setfield(replace,"prev",nest)
-        setfield(prev,"next",disc)
+        setprev(replace,nest)
+        setnext(prev,disc)
     elseif next then
         local tail = find_node_tail(replace)
-        setfield(tail,"next",next)
-        setfield(next,"prev",tail)
+        setnext(tail,next)
+        setprev(next,tail)
         run(replace,"replaceinjections",next)
-        setfield(tail,"next",nil)
-        setfield(next,"prev",disc)
+        setnext(tail,nil)
+        setprev(next,disc)
     else
         run(replace,"replaceinjections")
     end
@@ -2967,21 +3008,21 @@ local function testrun(disc,trun,crun) -- use helper
                 -- only look ahead
                 local tail = find_node_tail(replace)
              -- local nest = getprev(replace)
-                setfield(tail,"next",next)
-                setfield(next,"prev",tail)
+                setnext(tail,next)
+                setprev(next,tail)
                 if trun(replace,next) then
                     setfield(disc,"replace",nil) -- beware, side effects of nest so first
-                    setfield(prev,"next",replace)
-                    setfield(replace,"prev",prev)
-                    setfield(next,"prev",tail)
-                    setfield(tail,"next",next)
-                    setfield(disc,"prev",nil)
-                    setfield(disc,"next",nil)
+                    setnext(prev,replace)
+                    setprev(replace,prev)
+                    setprev(next,tail)
+                    setnext(tail,next)
+                    setprev(disc,nil)
+                    setnext(disc,nil)
                     flush_node_list(disc)
                     return replace -- restart
                 else
-                    setfield(tail,"next",nil)
-                    setfield(next,"prev",disc)
+                    setnext(tail,nil)
+                    setprev(next,disc)
                 end
             else
                 -- weird case
@@ -3003,11 +3044,11 @@ local function discrun(disc,drun,krun)
         report_run("disc") -- will be more detailed
     end
     if next and prev then
-        setfield(prev,"next",next)
-     -- setfield(next,"prev",prev)
+        setnext(prev,next)
+     -- setprev(next,prev)
         drun(prev)
-        setfield(prev,"next",disc)
-     -- setfield(next,"prev",disc)
+        setnext(prev,disc)
+     -- setprev(next,disc)
     end
     --
     local pre = getfield(disc,"pre")
@@ -3015,11 +3056,11 @@ local function discrun(disc,drun,krun)
         -- go on
     elseif prev then
         local nest = getprev(pre)
-        setfield(pre,"prev",prev)
-        setfield(prev,"next",pre)
+        setprev(pre,prev)
+        setnext(prev,pre)
         krun(prev,"preinjections")
-        setfield(pre,"prev",nest)
-        setfield(prev,"next",disc)
+        setprev(pre,nest)
+        setnext(prev,disc)
     else
         krun(pre,"preinjections")
     end
@@ -3319,6 +3360,41 @@ local function featuresprocessor(head,font,attr)
                             end
                         elseif id == math_code then
                             start = getnext(end_of_math(start))
+                        elseif id == dir_code then
+                            local dir = getfield(start,"dir")
+                            if dir == "+TLT" then
+                                topstack = topstack + 1
+                                dirstack[topstack] = dir
+                                rlmode = 1
+                            elseif dir == "+TRT" then
+                                topstack = topstack + 1
+                                dirstack[topstack] = dir
+                                rlmode = -1
+                            elseif dir == "-TLT" or dir == "-TRT" then
+                                topstack = topstack - 1
+                                rlmode = dirstack[topstack] == "+TRT" and -1 or 1
+                            else
+                                rlmode = rlparmode
+                            end
+                            if trace_directions then
+                                report_process("directions after txtdir %a: parmode %a, txtmode %a, # stack %a, new dir %a",dir,rlparmode,rlmode,topstack,newdir)
+                            end
+                            start = getnext(start)
+                        elseif id == localpar_code then
+                            local dir = getfield(start,"dir")
+                            if dir == "TRT" then
+                                rlparmode = -1
+                            elseif dir == "TLT" then
+                                rlparmode = 1
+                            else
+                                rlparmode = 0
+                            end
+                            -- one might wonder if the par dir should be looked at, so we might as well drop the next line
+                            rlmode = rlparmode
+                            if trace_directions then
+                                report_process("directions after pardir %a: parmode %a, txtmode %a",dir,rlparmode,rlmode)
+                            end
+                            start = getnext(start)
                         else
                             start = getnext(start)
                         end
@@ -3554,6 +3630,40 @@ local function featuresprocessor(head,font,attr)
                         end
                     elseif id == math_code then
                         start = getnext(end_of_math(start))
+                    elseif id == dir_code then
+                        local dir = getfield(start,"dir")
+                        if dir == "+TLT" then
+                            topstack = topstack + 1
+                            dirstack[topstack] = dir
+                            rlmode = 1
+                        elseif dir == "+TRT" then
+                            topstack = topstack + 1
+                            dirstack[topstack] = dir
+                            rlmode = -1
+                        elseif dir == "-TLT" or dir == "-TRT" then
+                            topstack = topstack - 1
+                            rlmode = dirstack[topstack] == "+TRT" and -1 or 1
+                        else
+                            rlmode = rlparmode
+                        end
+                        if trace_directions then
+                            report_process("directions after txtdir %a: parmode %a, txtmode %a, # stack %a, new dir %a",dir,rlparmode,rlmode,topstack,newdir)
+                        end
+                        start = getnext(start)
+                    elseif id == localpar_code then
+                        local dir = getfield(start,"dir")
+                        if dir == "TRT" then
+                            rlparmode = -1
+                        elseif dir == "TLT" then
+                            rlparmode = 1
+                        else
+                            rlparmode = 0
+                        end
+                        rlmode = rlparmode
+                        if trace_directions then
+                            report_process("directions after pardir %a: parmode %a, txtmode %a",dir,rlparmode,rlmode)
+                        end
+                        start = getnext(start)
                     else
                         start = getnext(start)
                     end
@@ -3723,10 +3833,10 @@ local function split(replacement,original)
     return result
 end
 
-local valid = {
-    coverage        = { chainsub = true, chainpos = true, contextsub = true },
+local valid = { -- does contextpos work?
+    coverage        = { chainsub = true, chainpos = true, contextsub = true, contextpos = true },
     reversecoverage = { reversesub = true },
-    glyphs          = { chainsub = true, chainpos = true },
+    glyphs          = { chainsub = true, chainpos = true, contextsub = true, contextpos = true },
 }
 
 local function prepare_contextchains(tfmdata)
@@ -3784,7 +3894,10 @@ local function prepare_contextchains(tfmdata)
                                     sequence[nofsequences] = after[n]
                                 end
                             end
+--[[phg-- Hard patch: This crashes, see https://github.com/lualatex/luaotfload/issues/303
                             if sequence[1] then
+--phg]]--
+                            if sequence[start] then
                                 -- Replacements only happen with reverse lookups as they are single only. We
                                 -- could pack them into current (replacement value instead of true) and then
                                 -- use sequence[start] instead but it's somewhat ugly.
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts-def.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts-def.lua
index 0c2f0dbd583..f0941ecdce8 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts-def.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts-def.lua
@@ -1,4 +1,4 @@
-if not modules then modules = { } end modules ['luatex-font-def'] = {
+if not modules then modules = { } end modules ['luatex-fonts-def'] = {
     version   = 1.001,
     comment   = "companion to luatex-*.tex",
     author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts-ota.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts-ota.lua
index f083fe09e83..256ead5a570 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts-ota.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts-ota.lua
@@ -1,4 +1,4 @@
-if not modules then modules = { } end modules ['font-otx'] = {
+if not modules then modules = { } end modules ['luatex-fonts-ota'] = {
     version   = 1.001,
     comment   = "companion to font-otf.lua (analysing)",
     author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
@@ -24,7 +24,6 @@ local methods             = allocate()
 
 analyzers.initializers    = initializers
 analyzers.methods         = methods
-analyzers.useunicodemarks = false
 
 local a_state             = attributes.private('state')
 
@@ -98,8 +97,9 @@ local features = {
     pstf = s_pstf,
 }
 
-analyzers.states   = states
-analyzers.features = features
+analyzers.states          = states
+analyzers.features        = features
+analyzers.useunicodemarks = false
 
 -- todo: analyzers per script/lang, cross font, so we need an font id hash -> script
 -- e.g. latin -> hyphenate, arab -> 1/2/3 analyze -- its own namespace
@@ -117,7 +117,10 @@ function analyzers.setstate(head,font)
             local char = getchar(current)
             local d = descriptions[char]
             if d then
-                if d.class == "mark" or (useunicodemarks and categories[char] == "mn") then
+                if d.class == "mark" then
+                    done = true
+                    setprop(current,a_state,s_mark)
+                elseif useunicodemarks and categories[char] == "mn" then
                     done = true
                     setprop(current,a_state,s_mark)
                 elseif n == 0 then
@@ -136,7 +139,9 @@ function analyzers.setstate(head,font)
                 first, last, n = nil, nil, 0
             end
         elseif id == disc_code then
-            -- always in the middle
+            -- always in the middle .. it doesn't make much sense to assign a property
+            -- here ... we might at some point decide to flag the components when present
+            -- but even then it's kind of bogus
             setprop(current,a_state,s_medi)
             last = current
         else -- finish
@@ -213,17 +218,6 @@ registerotffeature {
 
 methods.latn = analyzers.setstate
 
--- This info eventually can go into char-def and we will have a state
--- table for generic then (unicode recognized all states but in practice
--- only has only
---
--- isolated : isol
--- final    : isol_fina
--- medial   : isol_fina_medi_init
---
--- so in practice, without analyzer it's rather useless info which is
--- why having it in char-def makes only sense for special purposes (like)
--- like tracing cq. visualizing.
 
 local tatweel = 0x0640
 local zwnj    = 0x200C
@@ -344,8 +338,6 @@ local medial = { -- isol_fina_medi_init
 
 local arab_warned = { }
 
--- todo: gref
-
 local function warning(current,what)
     local char = getchar(current)
     if not arab_warned[char] then
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts.lua
index f18ba35db16..2e34fb8015a 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-fonts.lua
@@ -215,9 +215,11 @@ if non_generic_context.luatex_fonts.skip_loading ~= true then
         loadmodule('font-oti.lua')
         loadmodule('font-otf.lua')
         loadmodule('font-otb.lua')
-        loadmodule('luatex-fonts-inj.lua') -- normally the same as font-inj.lua
+        ----------('luatex-fonts-inj.lua') -- normally the same as font-inj.lua / beware loadmodule is parsed
+        loadmodule('font-inj.lua')
         loadmodule('luatex-fonts-ota.lua')
-        loadmodule('luatex-fonts-otn.lua') -- normally the same as font-otn.lua
+        ----------('luatex-fonts-otn.lua') -- normally the same as font-otn.lua / beware loadmodule is parsed
+        loadmodule('font-otn.lua')
         loadmodule('font-otp.lua')
         loadmodule('luatex-fonts-lua.lua')
         loadmodule('font-def.lua')         -- this code (stripped) might end up in luatex-fonts-def.lua
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-languages.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-languages.lua
index 1ea8c1fd12a..cecd60c1331 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-languages.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-languages.lua
@@ -16,28 +16,33 @@ function languages.loadpatterns(tag)
     if not loaded[tag] then
         loaded[tag] = 0
         local filename = kpse.find_file("lang-" .. tag .. ".lua")
-        if filename and filename == "" then
-            print("<unknown language file for: " .. tag .. ">")
+        if not filename or filename == "" then
+            texio.write("<unknown language file for: " .. tag .. ">")
         else
             local whatever = loadfile(filename)
             if type(whatever) == "function" then
                 whatever = whatever()
                 if type(whatever) == "table" then
+                    texio.write("<language file: " .. tag .. ">")
                     local characters = whatever.patterns.characters or ""
                     local patterns = whatever.patterns.data or ""
                     local exceptions = whatever.exceptions.data or ""
-                    local language = lang.new()
                     for b in string.utfvalues(characters) do
+                        -- what about uppercase
+-- lang.sethjcode(b,b)
                         tex.setlccode(b,b)
                     end
+                    local language = lang.new()
                     lang.patterns(language, patterns)
                     lang.hyphenation(language, exceptions)
                     loaded[tag] = lang.id(language)
                 else
-                    print("<invalid language table: " .. tag .. ">")
+                    texio.write("<invalid language table: " .. tag .. ">")
+                    os.exit()
                 end
             else
-                print("<invalid language file: " .. tag .. ">")
+                texio.write("<invalid language file: " .. tag .. ">")
+                os.exit()
             end
         end
     end
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-languages.tex b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-languages.tex
index 9778da39a44..a087b30939a 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-languages.tex
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-languages.tex
@@ -8,6 +8,8 @@
 
 %D Cf. discussion on \CONTEXT\ list:
 
+% \savinghyphcodes1
+
 \directlua {
     dofile(kpse.find_file("luatex-languages.lua","tex"))
 }
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-reference.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-reference.lua
index ae366179ce1..46de1d0c070 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-reference.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-reference.lua
@@ -1,6 +1,6 @@
--- merged file : luatex-fonts-merged.lua
--- parent file : luatex-fonts.lua
--- merge date  : 11/19/15 19:13:15
+-- merged file : c:/data/develop/context/sources/luatex-fonts-merged.lua
+-- parent file : c:/data/develop/context/sources/luatex-fonts.lua
+-- merge date  : 12/21/15 16:29:15
 
 do -- begin closure to overcome local limits and interference
 
@@ -3901,15 +3901,21 @@ end
 nodes={}
 nodes.pool={}
 nodes.handlers={}
-local nodecodes={} for k,v in next,node.types  () do nodecodes[string.gsub(v,"_","")]=k end
-local whatcodes={} for k,v in next,node.whatsits() do whatcodes[string.gsub(v,"_","")]=k end
-local glyphcodes={ [0]="character","glyph","ligature","ghost","left","right" }
-local disccodes={ [0]="discretionary","explicit","automatic","regular","first","second" }
-for i=0,#glyphcodes do glyphcodes[glyphcodes[i]]=i end
-for i=0,#disccodes do disccodes [disccodes [i]]=i end
+local nodecodes={}
+local glyphcodes=node.subtypes("glyph")
+local disccodes=node.subtypes("disc")
+for k,v in next,node.types() do
+  v=string.gsub(v,"_","")
+  nodecodes[k]=v
+  nodecodes[v]=k
+end
+for i=0,#glyphcodes do
+  glyphcodes[glyphcodes[i]]=i
+end
+for i=0,#disccodes do
+  disccodes[disccodes[i]]=i
+end
 nodes.nodecodes=nodecodes
-nodes.whatcodes=whatcodes
-nodes.whatsitcodes=whatcodes
 nodes.glyphcodes=glyphcodes
 nodes.disccodes=disccodes
 local free_node=node.free
@@ -3973,7 +3979,6 @@ nodes.traverse_id=node.traverse_id
 nodes.slide=node.slide
 nodes.vpack=node.vpack
 nodes.first_glyph=node.first_glyph
-nodes.first_character=node.first_character
 nodes.has_glyph=node.has_glyph or node.first_glyph
 nodes.current_attr=node.current_attr
 nodes.do_ligature_n=node.do_ligature_n
@@ -4002,13 +4007,27 @@ local setfield=direct.setfield
 nuts.getfield=getfield
 nuts.setfield=setfield
 nuts.getnext=direct.getnext
+nuts.setnext=direct.setnext
 nuts.getprev=direct.getprev
+nuts.setprev=direct.setprev
+nuts.getboth=direct.getboth
+nuts.setboth=direct.setboth
 nuts.getid=direct.getid
-nuts.getattr=getfield
+nuts.getattr=direct.get_attribute or direct.has_attribute or getfield
 nuts.setattr=setfield
 nuts.getfont=direct.getfont
+nuts.setfont=direct.setfont
 nuts.getsubtype=direct.getsubtype
+nuts.setsubtype=direct.setsubtype or function(n,s) setfield(n,"subtype",s) end
 nuts.getchar=direct.getchar
+nuts.setchar=direct.setchar
+nuts.getdisc=direct.getdisc
+nuts.setdisc=direct.setdisc
+nuts.setlink=direct.setlink
+nuts.getlist=direct.getlist
+nuts.setlist=direct.setlist  or function(n,l) setfield(n,"list",l) end
+nuts.getleader=direct.getleader
+nuts.setleader=direct.setleader or function(n,l) setfield(n,"leader",l) end
 nuts.insert_before=direct.insert_before
 nuts.insert_after=direct.insert_after
 nuts.delete=direct.delete
@@ -4022,6 +4041,9 @@ nuts.is_node=direct.is_node
 nuts.end_of_math=direct.end_of_math
 nuts.traverse=direct.traverse
 nuts.traverse_id=direct.traverse_id
+nuts.traverse_char=direct.traverse_char
+nuts.ligaturing=direct.ligaturing
+nuts.kerning=direct.kerning
 nuts.getprop=nuts.getattr
 nuts.setprop=nuts.setattr
 local new_nut=direct.new
@@ -7048,8 +7070,9 @@ local fonts=fonts
 local constructors=fonts.constructors
 local otf=constructors.newhandler("otf")
 local otffeatures=constructors.newfeatures("otf")
-local otftables=otf.tables
 local registerotffeature=otffeatures.register
+local otftables=otf.tables or {}
+otf.tables=otftables
 local allocate=utilities.storage.allocate
 registerotffeature {
   name="features",
@@ -7113,6 +7136,64 @@ registerotffeature {
     node=setscript,
   }
 }
+otftables.featuretypes=allocate {
+  gpos_single="position",
+  gpos_pair="position",
+  gpos_cursive="position",
+  gpos_mark2base="position",
+  gpos_mark2ligature="position",
+  gpos_mark2mark="position",
+  gpos_context="position",
+  gpos_contextchain="position",
+  gsub_single="substitution",
+  gsub_multiple="substitution",
+  gsub_alternate="substitution",
+  gsub_ligature="substitution",
+  gsub_context="substitution",
+  gsub_contextchain="substitution",
+  gsub_reversecontextchain="substitution",
+  gsub_reversesub="substitution",
+}
+function otffeatures.checkeddefaultscript(featuretype,autoscript,scripts)
+  if featuretype=="position" then
+    local default=scripts.dflt
+    if default then
+      if autoscript=="position" or autoscript==true then
+        return default
+      else
+        report_otf("script feature %s not applied, enable default positioning")
+      end
+    else
+    end
+  elseif featuretype=="substitution" then
+    local default=scripts.dflt
+    if default then
+      if autoscript=="substitution" or autoscript==true then
+        return default
+      end
+    end
+  end
+end
+function otffeatures.checkeddefaultlanguage(featuretype,autolanguage,languages)
+  if featuretype=="position" then
+    local default=languages.dflt
+    if default then
+      if autolanguage=="position" or autolanguage==true then
+        return default
+      else
+        report_otf("language feature %s not applied, enable default positioning")
+      end
+    else
+    end
+  elseif featuretype=="substitution" then
+    local default=languages.dflt
+    if default then
+      if autolanguage=="substitution" or autolanguage==true then
+        return default
+      end
+    end
+  end
+end
 
 end -- closure
 
@@ -7156,7 +7237,7 @@ local report_otf=logs.reporter("fonts","otf loading")
 local fonts=fonts
 local otf=fonts.handlers.otf
 otf.glists={ "gsub","gpos" }
-otf.version=2.819 
+otf.version=2.820 
 otf.cache=containers.define("fonts","otf",otf.version,true)
 local hashes=fonts.hashes
 local definers=fonts.definers
@@ -9492,7 +9573,7 @@ otf.coverup={
     kern=justset,
   },
   register=function(coverage,lookuptype,format,feature,n,descriptions,resources)
-    local name=formatters["ctx_%s_%s"](feature,n)
+    local name=formatters["ctx_%s_%s_%s"](feature,lookuptype,n) 
     if lookuptype=="kern" then
       resources.lookuptypes[name]="position"
     else
@@ -10224,8 +10305,10 @@ function injections.resetcounts()
 end
 function injections.reset(n)
   local p=rawget(properties,n)
-  if p and rawget(p,"injections") then
-    p.injections=nil
+  if p then
+    p.injections=false 
+  else
+    properties[n]=false 
   end
 end
 function injections.copy(target,source)
@@ -10242,10 +10325,17 @@ function injections.copy(target,source)
           injections=si,
         }
       end
+    elseif tp then
+      tp.injections=false 
     else
-      if tp then
-        tp.injections=nil
-      end
+      properties[target]={ injections={} }
+    end
+  else
+    local tp=rawget(properties,target)
+    if tp then
+      tp.injections=false 
+    else
+      properties[target]=false 
     end
   end
 end
@@ -10480,10 +10570,11 @@ local function show(n,what,nested,symbol)
         local markx=i.markx   or 0
         local marky=i.marky   or 0
         local markdir=i.markdir  or 0
-        local markbase=i.markbase or 0 
+        local markbase=i.markbase or 0
         local cursivex=i.cursivex or 0
         local cursivey=i.cursivey or 0
         local ligaindex=i.ligaindex or 0
+        local cursbase=i.cursiveanchor
         local margin=nested and 4 or 2
         if rightkern~=0 or yoffset~=0 then
           report_injections("%w%s pair: lx %p, rx %p, dy %p",margin,symbol,leftkern,rightkern,yoffset)
@@ -10494,7 +10585,13 @@ local function show(n,what,nested,symbol)
           report_injections("%w%s mark: dx %p, dy %p, dir %s, base %s",margin,symbol,markx,marky,markdir,markbase~=0 and "yes" or "no")
         end
         if cursivex~=0 or cursivey~=0 then
-          report_injections("%w%s curs: dx %p, dy %p",margin,symbol,cursivex,cursivey)
+          if cursbase then
+            report_injections("%w%s curs: base dx %p, dy %p",margin,symbol,cursivex,cursivey)
+          else
+            report_injections("%w%s curs: dx %p, dy %p",margin,symbol,cursivex,cursivey)
+          end
+        elseif cursbase then
+          report_injections("%w%s curs: base",margin,symbol)
         end
         if ligaindex~=0 then
           report_injections("%w%s liga: index %i",margin,symbol,ligaindex)
@@ -11177,7 +11274,7 @@ end -- closure
 
 do -- begin closure to overcome local limits and interference
 
-if not modules then modules={} end modules ['font-otx']={
+if not modules then modules={} end modules ['luatex-fonts-ota']={
   version=1.001,
   comment="companion to font-otf.lua (analysing)",
   author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
@@ -11194,7 +11291,6 @@ local initializers=allocate()
 local methods=allocate()
 analyzers.initializers=initializers
 analyzers.methods=methods
-analyzers.useunicodemarks=false
 local a_state=attributes.private('state')
 local nuts=nodes.nuts
 local tonut=nuts.tonut
@@ -11250,6 +11346,7 @@ local features={
 }
 analyzers.states=states
 analyzers.features=features
+analyzers.useunicodemarks=false
 function analyzers.setstate(head,font)
   local useunicodemarks=analyzers.useunicodemarks
   local tfmdata=fontdata[font]
@@ -11263,7 +11360,10 @@ function analyzers.setstate(head,font)
       local char=getchar(current)
       local d=descriptions[char]
       if d then
-        if d.class=="mark" or (useunicodemarks and categories[char]=="mn") then
+        if d.class=="mark" then
+          done=true
+          setprop(current,a_state,s_mark)
+        elseif useunicodemarks and categories[char]=="mn" then
           done=true
           setprop(current,a_state,s_mark)
         elseif n==0 then
@@ -11612,7 +11712,9 @@ local tonut=nuts.tonut
 local getfield=nuts.getfield
 local setfield=nuts.setfield
 local getnext=nuts.getnext
+local setnext=nuts.setnext
 local getprev=nuts.getprev
+local setprev=nuts.setprev
 local getid=nuts.getid
 local getattr=nuts.getattr
 local setattr=nuts.setattr
@@ -11620,7 +11722,9 @@ local getprop=nuts.getprop
 local setprop=nuts.setprop
 local getfont=nuts.getfont
 local getsubtype=nuts.getsubtype
+local setsubtype=nuts.setsubtype
 local getchar=nuts.getchar
+local setchar=nuts.setchar
 local insert_node_before=nuts.insert_before
 local insert_node_after=nuts.insert_after
 local delete_node=nuts.delete
@@ -11639,15 +11743,14 @@ local zwj=0x200D
 local wildcard="*"
 local default="dflt"
 local nodecodes=nodes.nodecodes
-local whatcodes=nodes.whatcodes
 local glyphcodes=nodes.glyphcodes
 local disccodes=nodes.disccodes
 local glyph_code=nodecodes.glyph
 local glue_code=nodecodes.glue
 local disc_code=nodecodes.disc
 local math_code=nodecodes.math
-local dir_code=whatcodes.dir
-local localpar_code=whatcodes.localpar
+local dir_code=nodecodes.dir
+local localpar_code=nodecodes.localpar
 local discretionary_code=disccodes.discretionary
 local ligature_code=glyphcodes.ligature
 local privateattribute=attributes.private
@@ -11767,8 +11870,8 @@ local function flattendisk(head,disc)
     if replace then
       if next then
         local tail=find_node_tail(replace)
-        setfield(tail,"next",next)
-        setfield(next,"prev",tail)
+        setnext(tail,next)
+        setprev(next,tail)
       end
       return replace,replace
     elseif next then
@@ -11782,17 +11885,17 @@ local function flattendisk(head,disc)
     if replace then
       local tail=find_node_tail(replace)
       if next then
-        setfield(tail,"next",next)
-        setfield(next,"prev",tail)
+        setnext(tail,next)
+        setprev(next,tail)
       end
-      setfield(prev,"next",replace)
-      setfield(replace,"prev",prev)
+      setnext(prev,replace)
+      setprev(replace,prev)
       return head,replace
     else
       if next then
-        setfield(next,"prev",prev)
+        setprev(next,prev)
       end
-      setfield(prev,"next",next)
+      setnext(prev,next)
       return head,next
     end
   end
@@ -11805,14 +11908,14 @@ local function appenddisc(disc,list)
   local ptail=find_node_tail(post)
   local rtail=find_node_tail(replace)
   if post then
-    setfield(ptail,"next",phead)
-    setfield(phead,"prev",ptail)
+    setnext(ptail,phead)
+    setprev(phead,ptail)
   else
     setfield(disc,"post",phead)
   end
   if replace then
-    setfield(rtail,"next",rhead)
-    setfield(rhead,"prev",rtail)
+    setnext(rtail,rhead)
+    setprev(rhead,rtail)
   else
     setfield(disc,"replace",rhead)
   end
@@ -11823,24 +11926,24 @@ local function markstoligature(kind,lookupname,head,start,stop,char)
   else
     local prev=getprev(start)
     local next=getnext(stop)
-    setfield(start,"prev",nil)
-    setfield(stop,"next",nil)
+    setprev(start,nil)
+    setnext(stop,nil)
     local base=copy_glyph(start)
     if head==start then
       head=base
     end
     resetinjection(base)
-    setfield(base,"char",char)
-    setfield(base,"subtype",ligature_code)
+    setchar(base,char)
+    setsubtype(base,ligature_code)
     setfield(base,"components",start)
     if prev then
-      setfield(prev,"next",base)
+      setnext(prev,base)
     end
     if next then
-      setfield(next,"prev",base)
+      setprev(next,base)
     end
-    setfield(base,"next",next)
-    setfield(base,"prev",prev)
+    setnext(base,next)
+    setprev(base,prev)
     return head,base
   end
 end
@@ -11868,7 +11971,7 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun
   end
   if start==stop and getchar(start)==char then
     resetinjection(start)
-    setfield(start,"char",char)
+    setchar(start,char)
     return head,start
   end
   local components=getfield(start,"components")
@@ -11877,24 +11980,24 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun
   local prev=getprev(start)
   local next=getnext(stop)
   local comp=start
-  setfield(start,"prev",nil)
-  setfield(stop,"next",nil)
+  setprev(start,nil)
+  setnext(stop,nil)
   local base=copy_glyph(start)
   if start==head then
     head=base
   end
   resetinjection(base)
-  setfield(base,"char",char)
-  setfield(base,"subtype",ligature_code)
+  setchar(base,char)
+  setsubtype(base,ligature_code)
   setfield(base,"components",comp) 
   if prev then
-    setfield(prev,"next",base)
+    setnext(prev,base)
   end
   if next then
-    setfield(next,"prev",base)
+    setprev(next,base)
   end
-  setfield(base,"prev",prev)
-  setfield(base,"next",next)
+  setprev(base,prev)
+  setnext(base,next)
   if not discfound then
     local deletemarks=markflag~="mark"
     local components=start
@@ -11934,41 +12037,41 @@ local function toligature(kind,lookupname,head,start,stop,char,markflag,discfoun
       start=getnext(start)
     end
   else
-    local discprev=getfield(discfound,"prev")
-    local discnext=getfield(discfound,"next")
+    local discprev=getprev(discfound)
+    local discnext=getnext(discfound)
     if discprev and discnext then
       local pre=getfield(discfound,"pre")
       local post=getfield(discfound,"post")
       local replace=getfield(discfound,"replace")
       if not replace then 
-        local prev=getfield(base,"prev")
+        local prev=getprev(base)
         local copied=copy_node_list(comp)
-        setfield(discnext,"prev",nil) 
-        setfield(discprev,"next",nil) 
+        setprev(discnext,nil) 
+        setnext(discprev,nil) 
         if pre then
-          setfield(discprev,"next",pre)
-          setfield(pre,"prev",discprev)
+          setnext(discprev,pre)
+          setprev(pre,discprev)
         end
         pre=comp
         if post then
           local tail=find_node_tail(post)
-          setfield(tail,"next",discnext)
-          setfield(discnext,"prev",tail)
-          setfield(post,"prev",nil)
+          setnext(tail,discnext)
+          setprev(discnext,tail)
+          setprev(post,nil)
         else
           post=discnext
         end
-        setfield(prev,"next",discfound)
-        setfield(discfound,"prev",prev)
-        setfield(discfound,"next",next)
-        setfield(next,"prev",discfound)
-        setfield(base,"next",nil)
-        setfield(base,"prev",nil)
+        setnext(prev,discfound)
+        setprev(discfound,prev)
+        setnext(discfound,next)
+        setprev(next,discfound)
+        setnext(base,nil)
+        setprev(base,nil)
         setfield(base,"components",copied)
         setfield(discfound,"pre",pre)
         setfield(discfound,"post",post)
         setfield(discfound,"replace",base)
-        setfield(discfound,"subtype",discretionary_code)
+        setsubtype(discfound,discretionary_code)
         base=prev 
       end
     end
@@ -11979,19 +12082,19 @@ local function multiple_glyphs(head,start,multiple,ignoremarks)
   local nofmultiples=#multiple
   if nofmultiples>0 then
     resetinjection(start)
-    setfield(start,"char",multiple[1])
+    setchar(start,multiple[1])
     if nofmultiples>1 then
       local sn=getnext(start)
       for k=2,nofmultiples do
         local n=copy_node(start) 
         resetinjection(n)
-        setfield(n,"char",multiple[k])
-        setfield(n,"prev",start)
-        setfield(n,"next",sn)
+        setchar(n,multiple[k])
+        setprev(n,start)
+        setnext(n,sn)
         if sn then
-          setfield(sn,"prev",n)
+          setprev(sn,n)
         end
-        setfield(start,"next",n)
+        setnext(start,n)
         start=n
       end
     end
@@ -12039,7 +12142,7 @@ function handlers.gsub_single(head,start,kind,lookupname,replacement)
     logprocess("%s: replacing %s by single %s",pref(kind,lookupname),gref(getchar(start)),gref(replacement))
   end
   resetinjection(start)
-  setfield(start,"char",replacement)
+  setchar(start,replacement)
   return head,start,true
 end
 function handlers.gsub_alternate(head,start,kind,lookupname,alternative,sequence)
@@ -12050,7 +12153,7 @@ function handlers.gsub_alternate(head,start,kind,lookupname,alternative,sequence
       logprocess("%s: replacing %s by alternative %a to %s, %s",pref(kind,lookupname),gref(getchar(start)),choice,gref(choice),comment)
     end
     resetinjection(start)
-    setfield(start,"char",choice)
+    setchar(start,choice)
   else
     if trace_alternatives then
       logwarning("%s: no variant %a for %s, %s",pref(kind,lookupname),value,gref(getchar(start)),comment)
@@ -12144,7 +12247,7 @@ function handlers.gsub_ligature(head,start,kind,lookupname,ligature,sequence)
         end
       else
         resetinjection(start)
-        setfield(start,"char",lig)
+        setchar(start,lig)
         if trace_ligatures then
           logprocess("%s: replacing %s by (no real) ligature %s case 3",pref(kind,lookupname),gref(startchar),gref(lig))
         end
@@ -12471,7 +12574,7 @@ function chainprocs.reversesub(head,start,stop,kind,chainname,currentcontext,loo
       logprocess("%s: single reverse replacement of %s by %s",cref(kind,chainname),gref(char),gref(replacement))
     end
     resetinjection(start)
-    setfield(start,"char",replacement)
+    setchar(start,replacement)
     return head,start,true
   else
     return head,start,false
@@ -12503,7 +12606,7 @@ function chainprocs.gsub_single(head,start,stop,kind,chainname,currentcontext,lo
             logprocess("%s: replacing single %s by %s",cref(kind,chainname,chainlookupname,lookupname,chainindex),gref(currentchar),gref(replacement))
           end
           resetinjection(current)
-          setfield(current,"char",replacement)
+          setchar(current,replacement)
         end
       end
       return head,start,true
@@ -12561,7 +12664,7 @@ function chainprocs.gsub_alternate(head,start,stop,kind,chainname,currentcontext
               logprocess("%s: replacing %s by alternative %a to %s, %s",cref(kind,chainname,chainlookupname,lookupname),gref(char),choice,gref(choice),comment)
             end
             resetinjection(start)
-            setfield(start,"char",choice)
+            setchar(start,choice)
           else
             if trace_alternatives then
               logwarning("%s: no variant %a for %s, %s",cref(kind,chainname,chainlookupname,lookupname),value,gref(char),comment)
@@ -13056,13 +13159,13 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
       local tail=nil
       if prev then
         tail=prev
-        setfield(current,"prev",sweepnode)
+        setprev(current,sweepnode)
       else
         tail=find_node_tail(head)
       end
-      setfield(sweepnode,"next",current)
-      setfield(head,"prev",nil)
-      setfield(tail,"next",nil)
+      setnext(sweepnode,current)
+      setprev(head,nil)
+      setnext(tail,nil)
       appenddisc(sweepnode,head)
     end
   end
@@ -13150,12 +13253,12 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
       startishead=cf==head
       cprev=getprev(cprev)
     end
-    setfield(lookaheaddisc,"prev",cprev)
+    setprev(lookaheaddisc,cprev)
     if cprev then
-      setfield(cprev,"next",lookaheaddisc)
+      setnext(cprev,lookaheaddisc)
     end
-    setfield(cf,"prev",nil)
-    setfield(cl,"next",nil)
+    setprev(cf,nil)
+    setnext(cl,nil)
     if startishead then
       head=lookaheaddisc
     end
@@ -13177,13 +13280,13 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
       new,cnew,ok=chainproc(new,cnew,clast,kind,chainname,ck,lookuphash,chainlookup,chainlookupname,nil,sequence)
     end
     if pre then
-      setfield(cl,"next",pre)
-      setfield(pre,"prev",cl)
+      setnext(cl,pre)
+      setprev(pre,cl)
     end
     if replace then
       local tail=find_node_tail(new)
-      setfield(tail,"next",replace)
-      setfield(replace,"prev",tail)
+      setnext(tail,replace)
+      setprev(replace,tail)
     end
     setfield(lookaheaddisc,"pre",cf)   
     setfield(lookaheaddisc,"replace",new) 
@@ -13201,11 +13304,11 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
       cnext=getnext(cnext)
     end
     if cnext then
-      setfield(cnext,"prev",backtrackdisc)
+      setprev(cnext,backtrackdisc)
     end
-    setfield(backtrackdisc,"next",cnext)
-    setfield(cf,"prev",nil)
-    setfield(cl,"next",nil)
+    setnext(backtrackdisc,cnext)
+    setprev(cf,nil)
+    setnext(cl,nil)
     local replace=getfield(backtrackdisc,"replace")
     local post=getfield(backtrackdisc,"post")
     local new=copy_node_list(cf)
@@ -13225,15 +13328,15 @@ local function chaindisk(head,start,last,kind,chainname,ck,lookuphash,chainlooku
     end
     if post then
       local tail=find_node_tail(post)
-      setfield(tail,"next",cf)
-      setfield(cf,"prev",tail)
+      setnext(tail,cf)
+      setprev(cf,tail)
     else
       post=cf
     end
     if replace then
       local tail=find_node_tail(replace)
-      setfield(tail,"next",new)
-      setfield(new,"prev",tail)
+      setnext(tail,new)
+      setprev(new,tail)
     else
       replace=new
     end
@@ -13761,25 +13864,40 @@ otf.chainhandlers={
   normal=normal_handle_contextchain,
   verbose=verbose_handle_contextchain,
 }
+local handle_contextchain=nil
+function chained_contextchain(head,start,stop,...)
+  local steps=currentlookup.steps
+  local nofsteps=currentlookup.nofsteps
+  if nofsteps>1 then
+    reportmoresteps(dataset,sequence)
+  end
+  return handle_contextchain(head,start,...)
+end
 function otf.setcontextchain(method)
   if not method or method=="normal" or not otf.chainhandlers[method] then
-    if handlers.contextchain then 
+    if handle_contextchain then 
       logwarning("installing normal contextchain handler")
     end
-    handlers.contextchain=normal_handle_contextchain
+    handle_contextchain=normal_handle_contextchain
   else
     logwarning("installing contextchain handler %a",method)
     local handler=otf.chainhandlers[method]
-    handlers.contextchain=function(...)
+    handle_contextchain=function(...)
       return handler(currentfont,...) 
     end
   end
-  handlers.gsub_context=handlers.contextchain
-  handlers.gsub_contextchain=handlers.contextchain
-  handlers.gsub_reversecontextchain=handlers.contextchain
-  handlers.gpos_contextchain=handlers.contextchain
-  handlers.gpos_context=handlers.contextchain
+  handlers.gsub_context=handle_contextchain
+  handlers.gsub_contextchain=handle_contextchain
+  handlers.gsub_reversecontextchain=handle_contextchain
+  handlers.gpos_contextchain=handle_contextchain
+  handlers.gpos_context=handle_contextchain
+  handlers.contextchain=handle_contextchain
 end
+chainprocs.gsub_context=chained_contextchain
+chainprocs.gsub_contextchain=chained_contextchain
+chainprocs.gsub_reversecontextchain=chained_contextchain
+chainprocs.gpos_contextchain=chained_contextchain
+chainprocs.gpos_context=chained_contextchain
 otf.setcontextchain()
 local missing={} 
 local function logprocess(...)
@@ -13807,19 +13925,32 @@ setmetatableindex(lookuphashes,function(t,font)
   t[font]=lookuphash
   return lookuphash
 end)
-local autofeatures=fonts.analyzers.features 
-local function initialize(sequence,script,language,enabled)
+local autofeatures=fonts.analyzers.features
+local featuretypes=otf.tables.featuretypes
+local defaultscript=otf.features.checkeddefaultscript
+local defaultlanguage=otf.features.checkeddefaultlanguage
+local function initialize(sequence,script,language,enabled,autoscript,autolanguage)
   local features=sequence.features
   if features then
     local order=sequence.order
     if order then
-      for i=1,#order do 
-        local kind=order[i] 
+      local featuretype=featuretypes[sequence.type or "unknown"]
+      for i=1,#order do
+        local kind=order[i]
         local valid=enabled[kind]
         if valid then
-          local scripts=features[kind] 
-          local languages=scripts[script] or scripts[wildcard]
-          if languages and (languages[language] or languages[wildcard]) then
+          local scripts=features[kind]
+          local languages=scripts and (
+            scripts[script] or
+            scripts[wildcard] or
+            (autoscript and defaultscript(featuretype,autoscript,scripts))
+          )
+          local enabled=languages and (
+            languages[language] or
+            languages[wildcard] or
+            (autolanguage and defaultlanguage(featuretype,autolanguage,languages))
+          )
+          if enabled then
             return { valid,autofeatures[kind] or false,sequence,kind }
           end
         end
@@ -13835,6 +13966,8 @@ function otf.dataset(tfmdata,font)
   local language=properties.language or "dflt"
   local script=properties.script  or "dflt"
   local enabled=shared.features
+  local autoscript=enabled and enabled.autoscript
+  local autolanguage=enabled and enabled.autolanguage
   local res=resolved[font]
   if not res then
     res={}
@@ -13852,7 +13985,7 @@ function otf.dataset(tfmdata,font)
     rs[language]=rl
     local sequences=tfmdata.resources.sequences
     for s=1,#sequences do
-      local v=enabled and initialize(sequences[s],script,language,enabled)
+      local v=enabled and initialize(sequences[s],script,language,enabled,autoscript,autolanguage)
       if v then
         rl[#rl+1]=v
       end
@@ -13882,57 +14015,57 @@ local function kernrun(disc,run)
   if not pre then
   elseif prev then
     local nest=getprev(pre)
-    setfield(pre,"prev",prev)
-    setfield(prev,"next",pre)
+    setprev(pre,prev)
+    setnext(prev,pre)
     run(prevmarks,"preinjections")
-    setfield(pre,"prev",nest)
-    setfield(prev,"next",disc)
+    setprev(pre,nest)
+    setnext(prev,disc)
   else
     run(pre,"preinjections")
   end
   if not post then
   elseif next then
     local tail=find_node_tail(post)
-    setfield(tail,"next",next)
-    setfield(next,"prev",tail)
+    setnext(tail,next)
+    setprev(next,tail)
     run(post,"postinjections",next)
-    setfield(tail,"next",nil)
-    setfield(next,"prev",disc)
+    setnext(tail,nil)
+    setprev(next,disc)
   else
     run(post,"postinjections")
   end
   if not replace and prev and next then
-    setfield(prev,"next",next)
-    setfield(next,"prev",prev)
+    setnext(prev,next)
+    setprev(next,prev)
     run(prevmarks,"injections",next)
-    setfield(prev,"next",disc)
-    setfield(next,"prev",disc)
+    setnext(prev,disc)
+    setprev(next,disc)
   elseif prev and next then
     local tail=find_node_tail(replace)
     local nest=getprev(replace)
-    setfield(replace,"prev",prev)
-    setfield(prev,"next",replace)
-    setfield(tail,"next",next)
-    setfield(next,"prev",tail)
+    setprev(replace,prev)
+    setnext(prev,replace)
+    setnext(tail,next)
+    setprev(next,tail)
     run(prevmarks,"replaceinjections",next)
-    setfield(replace,"prev",nest)
-    setfield(prev,"next",disc)
-    setfield(tail,"next",nil)
-    setfield(next,"prev",disc)
+    setprev(replace,nest)
+    setnext(prev,disc)
+    setnext(tail,nil)
+    setprev(next,disc)
   elseif prev then
     local nest=getprev(replace)
-    setfield(replace,"prev",prev)
-    setfield(prev,"next",replace)
+    setprev(replace,prev)
+    setnext(prev,replace)
     run(prevmarks,"replaceinjections")
-    setfield(replace,"prev",nest)
-    setfield(prev,"next",disc)
+    setprev(replace,nest)
+    setnext(prev,disc)
   elseif next then
     local tail=find_node_tail(replace)
-    setfield(tail,"next",next)
-    setfield(next,"prev",tail)
+    setnext(tail,next)
+    setprev(next,tail)
     run(replace,"replaceinjections",next)
-    setfield(tail,"next",nil)
-    setfield(next,"prev",disc)
+    setnext(tail,nil)
+    setprev(next,disc)
   else
     run(replace,"replaceinjections")
   end
@@ -13979,21 +14112,21 @@ local function testrun(disc,trun,crun)
       local prev=getprev(disc)
       if prev then
         local tail=find_node_tail(replace)
-        setfield(tail,"next",next)
-        setfield(next,"prev",tail)
+        setnext(tail,next)
+        setprev(next,tail)
         if trun(replace,next) then
           setfield(disc,"replace",nil) 
-          setfield(prev,"next",replace)
-          setfield(replace,"prev",prev)
-          setfield(next,"prev",tail)
-          setfield(tail,"next",next)
-          setfield(disc,"prev",nil)
-          setfield(disc,"next",nil)
+          setnext(prev,replace)
+          setprev(replace,prev)
+          setprev(next,tail)
+          setnext(tail,next)
+          setprev(disc,nil)
+          setnext(disc,nil)
           flush_node_list(disc)
           return replace 
         else
-          setfield(tail,"next",nil)
-          setfield(next,"prev",disc)
+          setnext(tail,nil)
+          setprev(next,disc)
         end
       else
       end
@@ -14011,19 +14144,19 @@ local function discrun(disc,drun,krun)
     report_run("disc") 
   end
   if next and prev then
-    setfield(prev,"next",next)
+    setnext(prev,next)
     drun(prev)
-    setfield(prev,"next",disc)
+    setnext(prev,disc)
   end
   local pre=getfield(disc,"pre")
   if not pre then
   elseif prev then
     local nest=getprev(pre)
-    setfield(pre,"prev",prev)
-    setfield(prev,"next",pre)
+    setprev(pre,prev)
+    setnext(prev,pre)
     krun(prev,"preinjections")
-    setfield(pre,"prev",nest)
-    setfield(prev,"next",disc)
+    setprev(pre,nest)
+    setnext(prev,disc)
   else
     krun(pre,"preinjections")
   end
@@ -14281,6 +14414,40 @@ local function featuresprocessor(head,font,attr)
               end
             elseif id==math_code then
               start=getnext(end_of_math(start))
+            elseif id==dir_code then
+              local dir=getfield(start,"dir")
+              if dir=="+TLT" then
+                topstack=topstack+1
+                dirstack[topstack]=dir
+                rlmode=1
+              elseif dir=="+TRT" then
+                topstack=topstack+1
+                dirstack[topstack]=dir
+                rlmode=-1
+              elseif dir=="-TLT" or dir=="-TRT" then
+                topstack=topstack-1
+                rlmode=dirstack[topstack]=="+TRT" and -1 or 1
+              else
+                rlmode=rlparmode
+              end
+              if trace_directions then
+                report_process("directions after txtdir %a: parmode %a, txtmode %a, # stack %a, new dir %a",dir,rlparmode,rlmode,topstack,newdir)
+              end
+              start=getnext(start)
+            elseif id==localpar_code then
+              local dir=getfield(start,"dir")
+              if dir=="TRT" then
+                rlparmode=-1
+              elseif dir=="TLT" then
+                rlparmode=1
+              else
+                rlparmode=0
+              end
+              rlmode=rlparmode
+              if trace_directions then
+                report_process("directions after pardir %a: parmode %a, txtmode %a",dir,rlparmode,rlmode)
+              end
+              start=getnext(start)
             else
               start=getnext(start)
             end
@@ -14501,6 +14668,40 @@ local function featuresprocessor(head,font,attr)
             end
           elseif id==math_code then
             start=getnext(end_of_math(start))
+          elseif id==dir_code then
+            local dir=getfield(start,"dir")
+            if dir=="+TLT" then
+              topstack=topstack+1
+              dirstack[topstack]=dir
+              rlmode=1
+            elseif dir=="+TRT" then
+              topstack=topstack+1
+              dirstack[topstack]=dir
+              rlmode=-1
+            elseif dir=="-TLT" or dir=="-TRT" then
+              topstack=topstack-1
+              rlmode=dirstack[topstack]=="+TRT" and -1 or 1
+            else
+              rlmode=rlparmode
+            end
+            if trace_directions then
+              report_process("directions after txtdir %a: parmode %a, txtmode %a, # stack %a, new dir %a",dir,rlparmode,rlmode,topstack,newdir)
+            end
+            start=getnext(start)
+          elseif id==localpar_code then
+            local dir=getfield(start,"dir")
+            if dir=="TRT" then
+              rlparmode=-1
+            elseif dir=="TLT" then
+              rlparmode=1
+            else
+              rlparmode=0
+            end
+            rlmode=rlparmode
+            if trace_directions then
+              report_process("directions after pardir %a: parmode %a, txtmode %a",dir,rlparmode,rlmode)
+            end
+            start=getnext(start)
           else
             start=getnext(start)
           end
@@ -14636,10 +14837,10 @@ local function split(replacement,original)
   end
   return result
 end
-local valid={
-  coverage={ chainsub=true,chainpos=true,contextsub=true },
+local valid={ 
+  coverage={ chainsub=true,chainpos=true,contextsub=true,contextpos=true },
   reversecoverage={ reversesub=true },
-  glyphs={ chainsub=true,chainpos=true },
+  glyphs={ chainsub=true,chainpos=true,contextsub=true,contextpos=true },
 }
 local function prepare_contextchains(tfmdata)
   local rawdata=tfmdata.shared.rawdata
@@ -15952,7 +16153,7 @@ end -- closure
 
 do -- begin closure to overcome local limits and interference
 
-if not modules then modules={} end modules ['luatex-font-def']={
+if not modules then modules={} end modules ['luatex-fonts-def']={
   version=1.001,
   comment="companion to luatex-*.tex",
   author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-auxiliary.lua b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-auxiliary.lua
index c50e0cdb647..11d3101b7e4 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-auxiliary.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-auxiliary.lua
@@ -15,7 +15,7 @@ luaotfload.aux              = luaotfload.aux or { }
 
 local aux                   = luaotfload.aux
 local log                   = luaotfload.log
-local report                = log.report
+local logreport             = log.report
 local fonthashes            = fonts.hashes
 local encodings             = fonts.encodings
 local identifiers           = fonthashes.identifiers
@@ -54,8 +54,8 @@ local start_rewrite_fontname = function ()
       rewrite_fontname,
       "luaotfload.rewrite_fontname")
     rewriting = true
-    report ("log", 1, "aux",
-            "start rewriting tfmdata.name field")
+    logreport ("log", 1, "aux",
+               "start rewriting tfmdata.name field")
   end
 end
 
@@ -66,8 +66,8 @@ local stop_rewrite_fontname = function ()
     luatexbase.remove_from_callback
       ("luaotfload.patch_font", "luaotfload.rewrite_fontname")
     rewriting = false
-    report ("log", 1, "aux",
-            "stop rewriting tfmdata.name field")
+    logreport ("log", 1, "aux",
+               "stop rewriting tfmdata.name field")
   end
 end
 
@@ -393,7 +393,7 @@ do
 
   local load_chardef = function ()
 
-    report ("both", 1, "aux", "Loading character metadata from %s.", chardef)
+    logreport ("both", 1, "aux", "Loading character metadata from %s.", chardef)
     chardata = dofile (kpse.find_file (chardef, "lua"))
 
     if chardata == nil then
@@ -452,18 +452,18 @@ local provides_script = function (font_id, asked_script)
       --- where method: "gpos" | "gsub"
       for feature, data in next, featuredata do
         if data[asked_script] then
-          report ("log", 1, "aux",
-                  "font no %d (%s) defines feature %s for script %s",
-                  font_id, fontname, feature, asked_script)
+          logreport ("log", 1, "aux",
+                     "font no %d (%s) defines feature %s for script %s",
+                     font_id, fontname, feature, asked_script)
           return true
         end
       end
     end
-    report ("log", 0, "aux",
-            "font no %d (%s) defines no feature for script %s",
-            font_id, fontname, asked_script)
+    logreport ("log", 0, "aux",
+               "font no %d (%s) defines no feature for script %s",
+               font_id, fontname, asked_script)
   end
-  report ("log", 0, "aux", "no font with id %d", font_id)
+  logreport ("log", 0, "aux", "no font with id %d", font_id)
   return false
 end
 
@@ -491,21 +491,21 @@ local provides_language = function (font_id, asked_script, asked_language)
       for feature, data in next, featuredata do
         local scriptdata = data[asked_script]
         if scriptdata and scriptdata[asked_language] then
-          report ("log", 1, "aux",
-                  "font no %d (%s) defines feature %s "
-                  .. "for script %s with language %s",
-                  font_id, fontname, feature,
-                  asked_script, asked_language)
+          logreport ("log", 1, "aux",
+                     "font no %d (%s) defines feature %s "
+                     .. "for script %s with language %s",
+                     font_id, fontname, feature,
+                     asked_script, asked_language)
           return true
         end
       end
     end
-    report ("log", 0, "aux",
-            "font no %d (%s) defines no feature "
-            .. "for script %s with language %s",
-            font_id, fontname, asked_script, asked_language)
+    logreport ("log", 0, "aux",
+               "font no %d (%s) defines no feature "
+               .. "for script %s with language %s",
+               font_id, fontname, asked_script, asked_language)
   end
-  report ("log", 0, "aux", "no font with id %d", font_id)
+  logreport ("log", 0, "aux", "no font with id %d", font_id)
   return false
 end
 
@@ -564,20 +564,20 @@ local provides_feature = function (font_id,        asked_script,
       if feature then
         local scriptdata = feature[asked_script]
         if scriptdata and scriptdata[asked_language] then
-          report ("log", 1, "aux",
-                  "font no %d (%s) defines feature %s "
-                  .. "for script %s with language %s",
-                  font_id, fontname, asked_feature,
-                  asked_script, asked_language)
+          logreport ("log", 1, "aux",
+                     "font no %d (%s) defines feature %s "
+                     .. "for script %s with language %s",
+                     font_id, fontname, asked_feature,
+                     asked_script, asked_language)
           return true
         end
       end
     end
-    report ("log", 0, "aux",
-            "font no %d (%s) does not define feature %s for script %s with language %s",
-            font_id, fontname, asked_feature, asked_script, asked_language)
+    logreport ("log", 0, "aux",
+               "font no %d (%s) does not define feature %s for script %s with language %s",
+               font_id, fontname, asked_feature, asked_script, asked_language)
   end
-  report ("log", 0, "aux", "no font with id %d", font_id)
+  logreport ("log", 0, "aux", "no font with id %d", font_id)
   return false
 end
 
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-features.lua b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-features.lua
index 962806cc163..8ffc030d15d 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-features.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-features.lua
@@ -938,18 +938,40 @@ local report_otf          = logs.reporter("fonts","otf loading")
 
 --HH]]--
 
+--- start locals for addfeature()
+
+local utfbyte = unicode.utf8.byte
+local utfchar = unicode.utf8.char
+
+local otf = handlers and handlers.otf --- filled in later during initialization
+
+local normalized = {
+    substitution = "substitution",
+    single       = "substitution",
+    ligature     = "ligature",
+    alternate    = "alternate",
+    multiple     = "multiple",
+    kern         = "kern",
+}
+
 local types = {
     substitution = "gsub_single",
     ligature     = "gsub_ligature",
     alternate    = "gsub_alternate",
+    multiple     = "gsub_multiple",
+    kern         = "gpos_pair",
 }
 
 setmetatableindex(types, function(t,k) t[k] = k return k end) -- "key"
 
+--- stop locals for addfeature()
+
 local everywhere = { ["*"] = { ["*"] = true } } -- or: { ["*"] = { "*" } }
-local noflags    = { }
+local noflags = { }
 
-local function addfeature (data, feature, specifications)
+local tohash = table.tohash
+
+local function ancient_addfeature (data, feature, specifications)
     local descriptions = data.descriptions
     local resources    = data.resources
     local lookups      = resources.lookups
@@ -1089,6 +1111,250 @@ local function addfeature (data, feature, specifications)
     end
 end
 
+local function current_addfeature(data,feature,specifications)
+    local descriptions = data.descriptions
+    local resources    = data.resources
+    local features     = resources.features
+    local sequences    = resources.sequences
+    if not features or not sequences then
+        return
+    end
+    local gsubfeatures = features.gsub
+    if gsubfeatures and gsubfeatures[feature] then
+        return -- already present
+    end
+    local fontfeatures = resources.features or everywhere
+    local unicodes     = resources.unicodes
+    local splitter     = lpeg.splitter(" ",unicodes)
+    local done         = 0
+    local skip         = 0
+    if not specifications[1] then
+        -- so we accept a one entry specification
+        specifications = { specifications }
+    end
+
+    local function tounicode(code)
+        if not code then
+            return
+        elseif type(code) == "number" then
+            return code
+        else
+            return unicodes[code] or utfbyte(code)
+        end
+    end
+
+    local coverup      = otf.coverup
+    local coveractions = coverup.actions
+    local stepkey      = coverup.stepkey
+    local register     = coverup.register
+
+    for s=1,#specifications do
+        local specification = specifications[s]
+        local valid         = specification.valid
+        if not valid or valid(data,specification,feature) then
+            local initialize = specification.initialize
+            if initialize then
+                -- when false is returned we initialize only once
+                specification.initialize = initialize(specification,data) and initialize or nil
+            end
+            local askedfeatures = specification.features or everywhere
+            local askedsteps    = specifications.steps or specification.subtables or { specification.data } or { }
+            local featuretype   = normalized[specification.type or "substitution"] or "substitution"
+            local featureflags  = specification.flags or noflags
+            local featureorder  = specification.order or { feature }
+            local added         = false
+            local nofsteps      = 0
+            local steps         = { }
+            for i=1,#askedsteps do
+                local list     = askedsteps[i]
+                local coverage = { }
+                local cover    = coveractions[featuretype]
+                local format   = nil
+                if not cover then
+                    -- unknown
+                elseif featuretype == "substitution" then
+                    for code, replacement in next, list do
+                        local unicode     = tounicode(code)
+                        local description = descriptions[unicode]
+                        if description then
+                            if type(replacement) == "table" then
+                                replacement = replacement[1]
+                            end
+                            replacement = tounicode(replacement)
+                            if replacement and descriptions[replacement] then
+                                cover(coverage,unicode,replacement)
+                                done = done + 1
+                            else
+                                skip = skip + 1
+                            end
+                        else
+                            skip = skip + 1
+                        end
+                    end
+                elseif featuretype == "ligature" then
+                    for code, ligature in next, list do
+                        local unicode     = tounicode(code)
+                        local description = descriptions[unicode]
+                        if description then
+                            if type(ligature) == "string" then
+                                ligature = { lpegmatch(splitter,ligature) }
+                            end
+                            local present = true
+                            for i=1,#ligature do
+                                local l = ligature[i]
+                                local u = tounicode(l)
+                                if descriptions[u] then
+                                    ligature[i] = u
+                                else
+                                    present = false
+                                    break
+                                end
+                            end
+                            if present then
+                                cover(coverage,unicode,ligature)
+                                done = done + 1
+                            else
+                                skip = skip + 1
+                            end
+                        else
+                            skip = skip + 1
+                        end
+                    end
+                elseif featuretype == "alternate" then
+                    for code, replacement in next, list do
+                        local unicode     = tounicode(code)
+                        local description = descriptions[unicode]
+                        if not description then
+                            skip = skip + 1
+                        elseif type(replacement) == "table" then
+                            local r = { }
+                            for i=1,#replacement do
+                                local u = tounicode(replacement[i])
+                                r[i] = descriptions[u] and u or unicode
+                            end
+                            cover(coverage,unicode,r)
+                            done = done + 1
+                        else
+                            local u = tounicode(replacement)
+                            if u then
+                                cover(coverage,unicode,{ u })
+                                done = done + 1
+                            else
+                                skip = skip + 1
+                            end
+                        end
+                    end
+                elseif featuretype == "multiple" then -- todo: unicode can be table
+                    for code, replacement in next, list do
+                        local unicode     = tounicode(code)
+                        local description = descriptions[unicode]
+                        if not description then
+                            skip = skip + 1
+                        elseif type(replacement) == "table" then
+                            local r, n = { }, 0
+                            for i=1,#replacement do
+                                local u = tounicode(replacement[i])
+                                if descriptions[u] then
+                                    n = n + 1
+                                    r[n] = u
+                                end
+                            end
+                            if n > 0 then
+                                cover(coverage,unicode,r)
+                                done = done + 1
+                            else
+                                skip = skip + 1
+                            end
+                        else
+                            local u = tounicode(replacement)
+                            if u then
+                                cover(coverage,unicode,{ u })
+                                done = done + 1
+                            else
+                                skip = skip + 1
+                            end
+                        end
+                    end
+                elseif featuretype == "kern" then
+                    for code, replacement in next, list do
+                        local unicode     = tounicode(code)
+                        local description = descriptions[unicode]
+                        if description and type(replacement) == "table" then
+                            local r = { }
+                            for k, v in next, replacement do
+                                local u = tounicode(k)
+                                if u then
+                                    r[u] = v
+                                end
+                            end
+                            if next(r) then
+                                cover(coverage,unicode,r)
+                                done = done + 1
+                            else
+                                skip = skip + 1
+                            end
+                        else
+                            skip = skip + 1
+                        end
+                    end
+                    format = "kern"
+                end
+                if next(coverage) then
+                    added = true
+                    nofsteps = nofsteps + 1
+                    steps[nofsteps] = register(coverage,featuretype,format,feature,nofsteps,descriptions,resources)
+                end
+            end
+            if added then
+                -- script = { lang1, lang2, lang3 } or script = { lang1 = true, ... }
+                for k, v in next, askedfeatures do
+                    if v[1] then
+                        askedfeatures[k] = tohash(v)
+                    end
+                end
+                local sequence = {
+                    chain     = 0,
+                    features  = { [feature] = askedfeatures },
+                    flags     = featureflags,
+                    name      = feature, -- not needed
+                    order     = featureorder,
+                    [stepkey] = steps,
+                    nofsteps  = nofsteps,
+                    type      = types[featuretype],
+                }
+                if specification.prepend then
+                    insert(sequences,1,sequence)
+                else
+                    insert(sequences,sequence)
+                end
+                -- register in metadata (merge as there can be a few)
+                if not gsubfeatures then
+                    gsubfeatures  = { }
+                    fontfeatures.gsub = gsubfeatures
+                end
+                local k = gsubfeatures[feature]
+                if not k then
+                    k = { }
+                    gsubfeatures[feature] = k
+                end
+                for script, languages in next, askedfeatures do
+                    local kk = k[script]
+                    if not kk then
+                        kk = { }
+                        k[script] = kk
+                    end
+                    for language, value in next, languages do
+                        kk[language] = value
+                    end
+                end
+            end
+        end
+    end
+    if trace_loading then
+        report_otf("registering feature %a, affected glyphs %a, skipped glyphs %a",feature,done,skip)
+    end
+end
+
 ---[[ end snippet from font-otc.lua ]]
 
 local tlig_specification = {
@@ -1100,7 +1366,7 @@ local tlig_specification = {
             [0x0027] = 0x2019,                   -- quoteleft
             [0x0060] = 0x2018,                   -- quoteright
         },
-        flags     = { },
+        flags     = noflags,
         order     = { "tlig" },
         prepend   = true,
     },
@@ -1120,7 +1386,7 @@ local tlig_specification = {
             [0x00AB] = {0x003C, 0x003C},         -- LEFT-POINTING DOUBLE ANGLE QUOTATION MARK
             [0x00BB] = {0x003E, 0x003E},         -- RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK
         },
-        flags    = { },
+        flags    = noflags,
         order    = { "tlig" },
         prepend  = true,
     },
@@ -1133,12 +1399,25 @@ local tlig_specification = {
             [0x00A1] = {0x0021, 0x0060},         -- exclamdown
             [0x00BF] = {0x003F, 0x0060},         -- questiondown
         },
-        flags    = { },
+        flags    = noflags,
         order    = { "tlig" },
         prepend  = true,
     },
 }
 
+local tlig_specification = {
+    type      = "substitution",
+    features  = everywhere,
+    data      = {
+        [0x0022] = 0x201D,                   -- quotedblright
+        [0x0027] = 0x2019,                   -- quoteleft
+        [0x0060] = 0x2018,                   -- quoteright
+    },
+    flags     = noflags,
+    order     = { "tlig" },
+    prepend   = true,
+}
+
 local anum_arabic = { --- these are the same as in font-otc
     [0x0030] = 0x0660,
     [0x0031] = 0x0661,
@@ -1183,7 +1462,7 @@ local anum_specification = {
         type     = "substitution",
         features = { arab = { far = true, urd = true, snd = true } },
         data     = anum_persian,
-        flags    = { },
+        flags    = noflags,
         order    = { "anum" },
         valid    = valid,
     },
@@ -1191,49 +1470,86 @@ local anum_specification = {
         type     = "substitution",
         features = { arab = { ["*"] = true } },
         data     = anum_arabic,
-        flags    = { },
+        flags    = noflags,
         order    = { "anum" },
         valid    = valid,
     },
 }
 
+local rot13_specification = {
+    type      = "substitution",
+    features  = everywhere,
+    data      = {
+        [65] = 78, [ 97] = 110, [78] = 65, [110] =  97,
+        [66] = 79, [ 98] = 111, [79] = 66, [111] =  98,
+        [67] = 80, [ 99] = 112, [80] = 67, [112] =  99,
+        [68] = 81, [100] = 113, [81] = 68, [113] = 100,
+        [69] = 82, [101] = 114, [82] = 69, [114] = 101,
+        [70] = 83, [102] = 115, [83] = 70, [115] = 102,
+        [71] = 84, [103] = 116, [84] = 71, [116] = 103,
+        [72] = 85, [104] = 117, [85] = 72, [117] = 104,
+        [73] = 86, [105] = 118, [86] = 73, [118] = 105,
+        [74] = 87, [106] = 119, [87] = 74, [119] = 106,
+        [75] = 88, [107] = 120, [88] = 75, [120] = 107,
+        [76] = 89, [108] = 121, [89] = 76, [121] = 108,
+        [77] = 90, [109] = 122, [90] = 77, [122] = 109,
+    },
+    flags     = noflags,
+    order     = { "rot13" },
+    prepend   = true,
+}
+
+local extrafeatures = {
+    tlig  = { tlig_specification,  "tex ligatures and substitutions" },
+    anum  = { anum_specification,  "arabic numerals"                 },
+    rot13 = { rot13_specification, "rot13"                           },
+}
+
+function add_otf_feature (name, specification)
+    if type (name) == "table" then
+        specification = name
+        name = specification.name
+    end
+    if type (name) == "string" then
+        extrafeatures[name] = specification
+    end
+end
+
+otf.addfeature = add_otf_feature
+
+local install_extra_features = function (data, filename, raw)
+    for feature, specification in next, extrafeatures do
+        logreport ("both", 3, "features",
+                   "register synthetic feature “%s” for %s font “%s”(%d)",
+                   feature,
+                   data.format,
+                   tostring (data.metadata and data.metadata.fontname or "<unknown>"),
+                   data.subfont or -1)
+        otf.features.register { name = feature, description = specification[2] }
+        otf.enhancers.addfeature (data, feature, specification[1])
+    end
+end
+
 return {
     init = function ()
 
+        logreport = luaotfload.log.report
+
         if not fonts and fonts.handlers then
-            logreport ("log", 0, "color",
+            logreport ("log", 0, "features",
                        "OTF mechanisms missing -- did you forget to \z
                        load a font loader?")
             return false
         end
 
-        local otf = fonts.handlers.otf
+        otf = fonts.handlers.otf
 
-        local extrafeatures = {
-            tlig = tlig_specification,
-            trep = { },
-            anum = anum_specification,
-        }
+        --- hack for backwards compat with TL2014 loader
+        otf.enhancers.addfeature = otf.version < 2.8 and ancient_addfeature
+                                                      or current_addfeature
 
         otf.enhancers.register ("check extra features",
-                                function (data,filename, raw)
-                                    for feature, specification in next, extrafeatures do
-                                        addfeature (data, feature, specification)
-                                    end
-                                end)
-
-        logreport = luaotfload.log.report
-        if not fonts then
-            logreport ("log", 0, "color",
-                       "OTF mechanisms missing -- did you forget to \z
-                       load a font loader?")
-            return false
-        end
-
-        otf.features.register {
-            name        = "anum",
-            description = "arabic digits",
-        }
+                                install_extra_features)
         return true
     end
 }
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-init.lua b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-init.lua
index 895e32ef5dd..d4711527e99 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-init.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-init.lua
@@ -65,6 +65,43 @@ local logreport  --- filled in after loading the log module
 
 --doc]]--
 
+local glyph_codes =
+  { [0] = "character"
+  , [1] = "glyph"
+  , [2] = "ligature"
+  , [3] = "ghost"
+  , [4] = "left"
+  , [5] = "right"
+  }
+
+local disc_codes  =
+  { [0] = "discretionary"
+  , [1] = "explicit"
+  , [2] = "automatic"
+  , [3] = "regular"
+  , [4] = "first"
+  , [5] = "second"
+  }
+
+local node_types = { disc = disc_codes, glyph = glyph_codes }
+
+local luatex_stubs = function ()
+  if not node.subtypes then
+    node.subtypes = function (t) return node_types [t] or { } end
+    local direct = node.direct
+
+    local getfield = direct.getfield
+    local setfield = direct.setfield
+
+    direct.setchar = direct.setchar or function (n, ...) setfield (n, "char", ...) end
+    direct.setprev = direct.setprev or function (n, ...) setfield (n, "prev", ...) end
+    direct.setnext = direct.setnext or function (n, ...) setfield (n, "next", ...) end
+
+    direct.getchar = direct.getchar or function (n) getfield (n, "char") end
+    direct.getprev = direct.getprev or function (n) getfield (n, "prev") end
+    direct.getnext = direct.getnext or function (n) getfield (n, "next") end
+  end
+end
 
 local init_early = function ()
 
@@ -82,6 +119,8 @@ local init_early = function ()
   if not lualibs    then error "this module requires Luaotfload" end
   if not luaotfload then error "this module requires Luaotfload" end
 
+  luatex_stubs ()
+
   --[[doc--
 
     The logger needs to be in place prior to loading the fontloader due
@@ -214,9 +253,9 @@ local context_modules = {
   { ctx,   "font-oti"          },
   { ctx,   "font-otf"          },
   { ctx,   "font-otb"          },
-  { ltx,   "luatex-fonts-inj"  }, --> since 2014-01-07, replaces node-inj.lua
+  { ltx,   "font-inj"          },
   { ltx,   "luatex-fonts-ota"  },
-  { ltx,   "luatex-fonts-otn"  }, --> since 2014-01-07, replaces font-otn.lua
+  { ltx,   "font-otn"          },
   { ctx,   "font-otp"          }, --> since 2013-04-23
   { ltx,   "luatex-fonts-lua"  },
   { ctx,   "font-def"          },
@@ -338,9 +377,9 @@ local init_main = function ()
     load_fontloader_module "font-oti"
     load_fontloader_module "font-otf"
     load_fontloader_module "font-otb"
-    load_fontloader_module "fonts-inj"  --> since 2014-01-07, replaces node-inj.lua
+    load_fontloader_module "font-inj"
     load_fontloader_module "fonts-ota"
-    load_fontloader_module "fonts-otn"  --> since 2014-01-07, replaces font-otn.lua
+    load_fontloader_module "font-otn"
     load_fontloader_module "font-otp"   --> since 2013-04-23
     load_fontloader_module "fonts-lua"
     load_fontloader_module "font-def"
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-letterspace.lua b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-letterspace.lua
index 5fa25f9d343..0d6b8e8264e 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-letterspace.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-letterspace.lua
@@ -20,17 +20,35 @@ local tonumber           = tonumber
 local next               = next
 local nodes, node, fonts = nodes, node, fonts
 
+local nodedirect         = nodes.nuts
+
+local getfield           = nodedirect.getfield
+local setfield           = nodedirect.setfield
+
+local field_setter = function (name) return function (n, ...) setfield (n, name, ...) end end
+local field_getter = function (name) return function (n, ...) getfield (n, name, ...) end end
+
 --- As of December 2014 the faster ``node.direct.*`` interface is
 --- preferred.
-local nodedirect         = nodes.nuts
-local getchar            = nodedirect.getchar
+
 local getfont            = nodedirect.getfont
 local getid              = nodedirect.getid
-local getnext            = nodedirect.getnext
-local getprev            = nodedirect.getprev
-local getfield           = nodedirect.getfield
-local setfield           = nodedirect.setfield
-local getsubtype         = nodedirect.getsubtype
+
+local getnext            = nodedirect.getnext or field_getter "next"
+local setnext            = nodedirect.setnext or field_setter "next"
+
+local getprev            = nodedirect.getprev or field_getter "prev"
+local setprev            = nodedirect.setprev or field_setter "prev"
+
+local getdisc            = nodedirect.getdisc or field_getter "disc"
+local setdisc            = nodedirect.setdisc or field_setter "disc"
+
+local getsubtype         = nodedirect.getsubtype or field_getter "subtype"
+local setsubtype         = nodedirect.setsubtype or field_setter "subtype"
+
+local getchar            = nodedirect.getchar or field_getter "subtype"
+local setchar            = nodedirect.setchar or field_setter "subtype"
+
 local find_node_tail     = nodedirect.tail
 local todirect           = nodedirect.tonut
 local tonode             = nodedirect.tonode
@@ -310,10 +328,11 @@ kerncharacters = function (head)
         else
           --- c = kerncharacters (c) --> taken care of after replacing
           local s = start
-          local p, n = getprev(s), s.next
+          local p = getprev(s)
+          local n = getnext(s)
           local tail = find_node_tail(c)
           if p then
-            setfield(p, "next", c)
+            setnext(p, c)
             p = getprev(c)
           else
             head = c
@@ -321,7 +340,7 @@ kerncharacters = function (head)
           if n then
             tail = getprev(n)
           end
-          setnext(tail, "next", n)
+          setnext(tail, n)
           start = c
           setfield(s, "components", nil)
           -- we now leak nodes !
@@ -368,9 +387,10 @@ kerncharacters = function (head)
             then
               -- keep
             else
-              prev_subtype = userkern_code
+              setsubtype (prev, userkern_code)
               local prev_kern = getfield(prev, "kern")
               prev_kern = prev_kern + quaddata[lastfont] * krn
+              setfield (prev, "kern", prev_kern)
               done = true
             end
           end
@@ -395,24 +415,20 @@ kerncharacters = function (head)
           end
 
         elseif pid == disc_code then
-          -- a bit too complicated, we can best not copy and just calculate
-          -- but we could have multiple glyphs involved so ...
           local disc = prev -- disc
-          local pre     = getfield(disc, "pre")
-          local post    = getfield(disc, "post")
-          local replace = getfield(disc, "replace")
-          local prv     = getprev(disc)
-          local nxt     = getnext(disc)
+          local pre, post, replace = getdisc (disc)
+          local prv = getprev(disc)
+          local nxt = getnext(disc)
 
           if pre and prv then -- must pair with start.prev
             -- this one happens in most cases
             local before = copy_node(prv)
-            setfield(pre, "prev", before)
-            setfield(before, "next", pre)
-            setfield(before, "prev", nil)
+            setprev(pre,    before)
+            setnext(before, pre)
+            setprev(before, nil)
             pre = kerncharacters (before)
             pre = getnext(pre)
-            setfield(pre, "prev", nil)
+            setprev(pre, nil)
             setfield(disc, "pre", pre)
             free_node(before)
           end
@@ -420,11 +436,11 @@ kerncharacters = function (head)
           if post and nxt then  -- must pair with start
             local after = copy_node(nxt)
             local tail = find_node_tail(post)
-            setfield(tail, "next", after)
-            setfield(after, "prev", tail)
-            setfield(after, "next", nil)
+            setnext(tail,  after)
+            setprev(after, tail)
+            setnext(after, nil)
             post = kerncharacters (post)
-            setfield(tail, "next", nil)
+            setnext(tail, nil)
             setfield(disc, "post", post)
             free_node(after)
           end
@@ -433,17 +449,17 @@ kerncharacters = function (head)
             local before = copy_node(prv)
             local after = copy_node(nxt)
             local tail = find_node_tail(replace)
-            setfield(replace, "prev", before)
-            setfield(before,  "next", replace)
-            setfield(before,  "prev", nil)
-            setfield(tail,    "next", after)
-            setfield(after,   "prev", tail)
-            setfield(after,   "next", nil)
+            setprev(replace, before)
+            setnext(before,  replace)
+            setprev(before,  nil)
+            setnext(tail,    after)
+            setprev(after,   tail)
+            setnext(after,   nil)
             replace = kerncharacters (before)
             replace = getnext(replace)
-            setfield(replace, "prev",      nil)
-            setfield(after,   "prev.next", nil)
-            setfield(disc,    "replace",   replace)
+            setprev(replace, nil)
+            setnext(getprev(after), nil)
+            setfield(disc, "replace",   replace)
             free_node(after)
             free_node(before)
 
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-status.lua b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-status.lua
index 34a206312a9..e1cedd13bf1 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-status.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/luaotfload-status.lua
@@ -1,6 +1,6 @@
 return {
  ["hashes"]={
-  { "fontloader-2015-12-12.lua", "bcc0cb6536e04a9ee4693848a505d568" },
+  { "fontloader-2015-12-22.lua", "c0cee8ffb486d88193aa78c32416a474" },
   { "fontloader-util-str.lua", "cc6f38cc53aff51d60e2223bf922bb0d" },
   { "fontloader-swiglib-test.lua", "c1cdeff07e5b8896f7aa98ce50c31618" },
   { "fontloader-swiglib.lua", "3a350d89416637073b7f09e281dc7c11" },
@@ -16,39 +16,39 @@ return {
   { "fontloader-l-function.lua", "a7e68a9703c35238729da41a474e951b" },
   { "fontloader-l-file.lua", "bb25347eee3208dbb419e80eb2809e99" },
   { "fontloader-l-boolean.lua", "abe28515dd33e8f6c416c09bca351cf8" },
-  { "fontloader-languages.lua", "16446704262489ccbe65a963dcd490f1" },
+  { "fontloader-languages.lua", "4e5bbdad336fa4969ac21a5242643a40" },
   { "fontloader-font-tfm.lua", "bbee5eddb11211fb0a8d993db678bf3c" },
   { "fontloader-fonts-tfm.lua", "8fd3865240e4e87e99e0739abeda2322" },
   { "fontloader-fonts-syn.lua", "9729d0e49b770f78e88dab86739e0297" },
-  { "fontloader-fonts-otn.lua", "f01870a8622259f58ffbdc5718a53377" },
-  { "fontloader-fonts-ota.lua", "e18236703ac20ece7ff45f9209a9b9d6" },
+  { "fontloader-font-otn.lua", "e8a1f33bbba52eda6aec4e6d6a9662dc" },
+  { "fontloader-fonts-ota.lua", "67a1fc4c6508526fa54041d22bcb6eab" },
   { "fontloader-fonts-lua.lua", "50b8edb1db7009b6c661ab71ff24a466" },
-  { "fontloader-fonts.lua", "19a42e8ce2c816e2d3262f3d72b0a5c7" },
-  { "fontloader-fonts-inj.lua", "2e61e59f1931a84336c6aea812e219c2" },
+  { "fontloader-fonts.lua", "f3a705aade933e2171c8128cead7f4ad" },
+  { "fontloader-font-inj.lua", "593642f0a6fe4a7fef5ed63034276e6f" },
   { "fontloader-fonts-ext.lua", "0eee87fb26b7d135da88ac0a43a8037a" },
   { "fontloader-fonts-enc.lua", "b224fe179312d924ffaf8334cf5ef15b" },
   { "fontloader-fonts-demo-vf-1.lua", "edf37ece9bd112b1b13d9475528ab210" },
-  { "fontloader-fonts-def.lua", "8dc05f2aa96d2fd0245242c8fd3320eb" },
+  { "fontloader-fonts-def.lua", "e758c9faca4d44382b88bbea892e8bbf" },
   { "fontloader-fonts-cbk.lua", "3e86c6a492ca8d792f6b06149ba0dd57" },
   { "fontloader-font-otp.lua", "18b4375155925ee1809150f4f6c3973b" },
-  { "fontloader-font-oti.lua", "035a51b49029d7da48453ec5f1d65018" },
-  { "fontloader-font-otf.lua", "b1a5f4340125198b1b0489ef903dd267" },
+  { "fontloader-font-oti.lua", "b6d493035cec2d748f2f9ec510c860ef" },
+  { "fontloader-font-otf.lua", "b14a46a7fec8b5cb4c909f4c4c299453" },
   { "fontloader-font-otb.lua", "93461f2f412a9b33b35a273c09b64291" },
-  { "fontloader-font-map.lua", "60c9f3d4d80944ce9123c9cddc1e57e5" },
+  { "fontloader-font-map.lua", "a20a454f933095d78faf1d5f8200d025" },
   { "fontloader-font-ini.lua", "179f0a75cda26696c1b1cd6d7fe0d8ae" },
   { "fontloader-font-def.lua", "3c71c27300a8cb5c29f5d278d2049fb6" },
-  { "fontloader-font-con.lua", "5ae91fc3b5bb8d22b2fba27258d49971" },
+  { "fontloader-font-con.lua", "99aacd19adce25fa35a9a30d43e8ac79" },
   { "fontloader-font-cid.lua", "52421d1fdaa07ec4b1d936c6ff5079be" },
   { "fontloader-font-afm.lua", "ece4863414d6b38c2e577110c9b55bd3" },
   { "fontloader-font-afk.lua", "b36a76ceb835f41f8c05b471000ddc14" },
   { "fontloader-data-con.lua", "675f5a0af45ffb3e0d2e2ab5d6c2e47b" },
-  { "fontloader-basics-nod.lua", "d060e22b2afed6e7624f879b0e1a7d71" },
+  { "fontloader-basics-nod.lua", "af682899d202229c0c1b859a07384b8c" },
   { "fontloader-tl2014.lua", "5bce3c40d6841694d6be5ad3680d5b10" },
-  { "fontloader-reference.lua", "f3481efe06dc45db0dc7404aa96754e3" },
+  { "fontloader-reference.lua", "0d04f2ef8be3ad63f760b461fc5c1bb4" },
   { "fontloader-basics-gen.lua", "aa7229a3a0ae35d19bbe46e71d65bd2c" },
   { "mktests", "918cb50be9ee8bd645ac1a27dc501e8c" },
-  { "mkstatus", "76308532fa0175ac046e6ed1bf11e4b8" },
-  { "mkimport", "988e04fc571b2984eb21894cf0ea76e5" },
+  { "mkstatus", "31abf1d5bf7c35f3856155601dfcea4a" },
+  { "mkimport", "3077a499e7735444d582b741b1960b98" },
   { "mkglyphlist", "0acaf0fbc9dce6fda4e717a7ddcfdef6" },
   { "mkcharacters", "5274a32b25f2dc1f55e75546c551035e" },
   { "luaotfload-glyphlist.lua", "ff440162d1b8a78a586375ee65630c21" },
@@ -59,20 +59,20 @@ return {
   { "luaotfload-main.lua", "98456048a0ebb8040c6b46de529398ec" },
   { "luaotfload-log.lua", "767adc12efe986322d16dd85f05b3e75" },
   { "luaotfload-loaders.lua", "40e9e162b84e22db29cd79afb8a34761" },
-  { "luaotfload-letterspace.lua", "3f87639c395f3dd83b6c3ae4f717a02a" },
-  { "luaotfload-init.lua", "d850a9a2d87c122de38b9221bf39473c" },
-  { "luaotfload-features.lua", "3e98785b46c6779f70ed6e7e4d497e53" },
+  { "luaotfload-letterspace.lua", "b01dd0cd37deb2dbad97adbf738e9dd2" },
+  { "luaotfload-init.lua", "e31c728f5e86c858909c491b39ba0fbd" },
+  { "luaotfload-features.lua", "812cefbc82f612e889842d56e421cca7" },
   { "luaotfload-diagnostics.lua", "7b35c9f91e3e73fc5a61dbfe1f0e7ad9" },
   { "luaotfload-database.lua", "ffb5c6497be2c518eb28fcefaa3175c1" },
   { "luaotfload-configuration.lua", "04eb776c853a22fc49dcf0e52da85dda" },
   { "luaotfload-colors.lua", "b68a52ce0b046343cb689d981d0c5a7a" },
-  { "luaotfload-auxiliary.lua", "04d8d1f39e06255a41a9f00febc66e2b" },
+  { "luaotfload-auxiliary.lua", "b0b7624c793d96ae5e6fbb45e67f1310" },
  },
  ["notes"]={
   ["committer"]="Philipp Gesang <phg@phi-gamma.net>",
-  ["description"]="v2.6-fix-2",
-  ["loader"]="fontloader-2015-12-12.lua",
-  ["revision"]="2fdaee0d9a2687e99b1f44be15b6876be22a495b",
-  ["timestamp"]="2015-12-12 20:05:29 +0100",
+  ["description"]="v2.6-fix-3",
+  ["loader"]="fontloader-2015-12-22.lua",
+  ["revision"]="c7e64e04f85ab6386fcbc0bc631db808d0d6109f",
+  ["timestamp"]="2015-12-22 23:32:39 +0100",
  },
 }
\ No newline at end of file