context (from cont-tmf.zip of Feb 17 16:00, size 116339406)

git-svn-id: svn://tug.org/texlive/trunk@54086 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 1989 insertions, 1445 deletions

diff --git a/Master/texmf-dist/scripts/context/stubs/unix/mtxrun b/Master/texmf-dist/scripts/context/stubs/unix/mtxrun
index 98fe7f752e3..5907fa33c66 100755
--- a/Master/texmf-dist/scripts/context/stubs/unix/mtxrun
+++ b/Master/texmf-dist/scripts/context/stubs/unix/mtxrun
@@ -194,7 +194,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["l-lua"] = package.loaded["l-lua"] or true
 
--- original size: 6330, stripped down to: 2831
+-- original size: 6529, stripped down to: 2933
 
 if not modules then modules={} end modules ['l-lua']={
  version=1.001,
@@ -313,6 +313,9 @@ elseif not ffi.number then
 end
 if LUAVERSION>5.3 then
 end
+if status and os.setenv then
+ os.setenv("engine",string.lower(status.luatex_engine or "unknown"))
+end
 
 
 end -- of closure
@@ -321,7 +324,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["l-macro"] = package.loaded["l-macro"] or true
 
--- original size: 10131, stripped down to: 5991
+-- original size: 10130, stripped down to: 5990
 
 if not modules then modules={} end modules ['l-macros']={
  version=1.001,
@@ -546,7 +549,7 @@ end
 macros.loaded=loaded
 function required(name,trace)
  local filename=file.addsuffix(name,"lua")
- local fullname=resolvers and resolvers.find_file(filename) or filename
+ local fullname=resolvers and resolvers.findfile(filename) or filename
  if not fullname or fullname=="" then
   return false
  end
@@ -576,7 +579,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["l-sandbox"] = package.loaded["l-sandbox"] or true
 
--- original size: 9747, stripped down to: 6313
+-- original size: 9604, stripped down to: 6394
 
 if not modules then modules={} end modules ['l-sandbox']={
  version=1.001,
@@ -808,6 +811,9 @@ local function supported(library)
  return l
 end
 loadfile=register(loadfile,"loadfile")
+if supported("lua") then
+ lua.openfile=register(lua.openfile,"lua.openfile")
+end
 if supported("io") then
  io.open=register(io.open,"io.open")
  io.popen=register(io.popen,"io.popen") 
@@ -1168,7 +1174,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["l-lpeg"] = package.loaded["l-lpeg"] or true
 
--- original size: 38434, stripped down to: 19310
+-- original size: 38440, stripped down to: 19316
 
 if not modules then modules={} end modules ['l-lpeg']={
  version=1.001,
@@ -1337,7 +1343,7 @@ patterns.propername=(uppercase+lowercase+underscore)*(uppercase+lowercase+unders
 patterns.somecontent=(anything-newline-space)^1 
 patterns.beginline=#(1-newline)
 patterns.longtostring=Cs(whitespace^0/""*((patterns.quoted+nonwhitespace^1+whitespace^1/""*(endofstring+Cc(" ")))^0))
-function anywhere(pattern) 
+local function anywhere(pattern) 
  return (1-P(pattern))^0*P(pattern)
 end
 lpeg.anywhere=anywhere
@@ -1967,7 +1973,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["l-string"] = package.loaded["l-string"] or true
 
--- original size: 6461, stripped down to: 3255
+-- original size: 6644, stripped down to: 3410
 
 if not modules then modules={} end modules ['l-string']={
  version=1.001,
@@ -2031,9 +2037,11 @@ function string.is_empty(str)
  end
 end
 local anything=patterns.anything
-local allescapes=Cc("%")*S(".-+%?()[]*") 
-local someescapes=Cc("%")*S(".-+%()[]")   
-local matchescapes=Cc(".")*S("*?")   
+local moreescapes=Cc("%")*S(".-+%?()[]*$^{}")
+local allescapes=Cc("%")*S(".-+%?()[]*")   
+local someescapes=Cc("%")*S(".-+%()[]")  
+local matchescapes=Cc(".")*S("*?")     
+local pattern_m=Cs ((moreescapes+anything )^0 )
 local pattern_a=Cs ((allescapes+anything )^0 )
 local pattern_b=Cs ((someescapes+matchescapes+anything )^0 )
 local pattern_c=Cs (Cc("^")*(someescapes+matchescapes+anything )^0*Cc("$") )
@@ -2043,6 +2051,8 @@ end
 function string.topattern(str,lowercase,strict)
  if str=="" or type(str)~="string" then
   return ".*"
+ elseif strict=="all" then
+  str=lpegmatch(pattern_m,str)
  elseif strict then
   str=lpegmatch(pattern_c,str)
  else
@@ -2092,7 +2102,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["l-table"] = package.loaded["l-table"] or true
 
--- original size: 41332, stripped down to: 21508
+-- original size: 41758, stripped down to: 22643
 
 if not modules then modules={} end modules ['l-table']={
  version=1.001,
@@ -2101,7 +2111,7 @@ if not modules then modules={} end modules ['l-table']={
  copyright="PRAGMA ADE / ConTeXt Development Team",
  license="see context related readme files"
 }
-local type,next,tostring,tonumber,select=type,next,tostring,tonumber,select
+local type,next,tostring,tonumber,select,rawget=type,next,tostring,tonumber,select,rawget
 local table,string=table,string
 local concat,sort=table.concat,table.sort
 local format,lower,dump=string.format,string.lower,string.dump
@@ -2435,13 +2445,13 @@ function table.fromhash(t)
  end
  return hsh
 end
-local noquotes,hexify,handle,compact,inline,functions,metacheck
+local noquotes,hexify,handle,compact,inline,functions,metacheck,accurate
 local reserved=table.tohash { 
  'and','break','do','else','elseif','end','false','for','function','if',
  'in','local','nil','not','or','repeat','return','then','true','until','while',
- 'NaN','goto',
+ 'NaN','goto','const',
 }
-local function is_simple_table(t,hexify) 
+local function is_simple_table(t,hexify,accurate) 
  local nt=#t
  if nt>0 then
   local n=0
@@ -2460,6 +2470,8 @@ local function is_simple_table(t,hexify)
     if tv=="number" then
      if hexify then
       tt[i]=format("0x%X",v)
+     elseif accurate then
+      tt[i]=format("%q",v)
      else
       tt[i]=v 
      end
@@ -2480,6 +2492,8 @@ local function is_simple_table(t,hexify)
     if tv=="number" then
      if hexify then
       tt[i+1]=format("0x%X",v)
+     elseif accurate then
+      tt[i+1]=format("%q",v)
      else
       tt[i+1]=v 
      end
@@ -2551,6 +2565,8 @@ local function do_serialize(root,name,depth,level,indexed)
     if tv=="number" then
      if hexify then
       handle(format("%s 0x%X,",depth,v))
+     elseif accurate then
+      handle(format("%s %q,",depth,v))
      else
       handle(format("%s %s,",depth,v)) 
      end
@@ -2560,7 +2576,7 @@ local function do_serialize(root,name,depth,level,indexed)
      if next(v)==nil then
       handle(format("%s {},",depth))
      elseif inline then 
-      local st=is_simple_table(v,hexify)
+      local st=is_simple_table(v,hexify,accurate)
       if st then
        handle(format("%s { %s },",depth,concat(st,", ")))
       else
@@ -2588,12 +2604,16 @@ local function do_serialize(root,name,depth,level,indexed)
     if tk=="number" then
      if hexify then
       handle(format("%s [0x%X]=0x%X,",depth,k,v))
+     elseif accurate then
+      handle(format("%s [%s]=%q,",depth,k,v))
      else
       handle(format("%s [%s]=%s,",depth,k,v)) 
      end
     elseif tk=="boolean" then
      if hexify then
       handle(format("%s [%s]=0x%X,",depth,k and "true" or "false",v))
+     elseif accurate then
+      handle(format("%s [%s]=%q,",depth,k and "true" or "false",v))
      else
       handle(format("%s [%s]=%s,",depth,k and "true" or "false",v)) 
      end
@@ -2601,12 +2621,16 @@ local function do_serialize(root,name,depth,level,indexed)
     elseif noquotes and not reserved[k] and lpegmatch(propername,k) then
      if hexify then
       handle(format("%s %s=0x%X,",depth,k,v))
+     elseif accurate then
+      handle(format("%s %s=%q,",depth,k,v))
      else
       handle(format("%s %s=%s,",depth,k,v)) 
      end
     else
      if hexify then
       handle(format("%s [%q]=0x%X,",depth,k,v))
+     elseif accurate then
+      handle(format("%s [%q]=%q,",depth,k,v))
      else
       handle(format("%s [%q]=%s,",depth,k,v)) 
      end
@@ -2615,6 +2639,8 @@ local function do_serialize(root,name,depth,level,indexed)
     if tk=="number" then
      if hexify then
       handle(format("%s [0x%X]=%q,",depth,k,v))
+     elseif accurate then
+      handle(format("%s [%q]=%q,",depth,k,v))
      else
       handle(format("%s [%s]=%q,",depth,k,v))
      end
@@ -2631,6 +2657,8 @@ local function do_serialize(root,name,depth,level,indexed)
      if tk=="number" then
       if hexify then
        handle(format("%s [0x%X]={},",depth,k))
+      elseif accurate then
+       handle(format("%s [%q]={},",depth,k))
       else
        handle(format("%s [%s]={},",depth,k))
       end
@@ -2643,11 +2671,13 @@ local function do_serialize(root,name,depth,level,indexed)
       handle(format("%s [%q]={},",depth,k))
      end
     elseif inline then
-     local st=is_simple_table(v,hexify)
+     local st=is_simple_table(v,hexify,accurate)
      if st then
       if tk=="number" then
        if hexify then
         handle(format("%s [0x%X]={ %s },",depth,k,concat(st,", ")))
+       elseif accurate then
+        handle(format("%s [%q]={ %s },",depth,k,concat(st,", ")))
        else
         handle(format("%s [%s]={ %s },",depth,k,concat(st,", ")))
        end
@@ -2669,6 +2699,8 @@ local function do_serialize(root,name,depth,level,indexed)
     if tk=="number" then
      if hexify then
       handle(format("%s [0x%X]=%s,",depth,k,v and "true" or "false"))
+     elseif accurate then
+      handle(format("%s [%q]=%s,",depth,k,v and "true" or "false"))
      else
       handle(format("%s [%s]=%s,",depth,k,v and "true" or "false"))
      end
@@ -2688,6 +2720,8 @@ local function do_serialize(root,name,depth,level,indexed)
       if tk=="number" then
        if hexify then
         handle(format("%s [0x%X]=load(%q),",depth,k,f))
+       elseif accurate then
+        handle(format("%s [%q]=load(%q),",depth,k,f))
        else
         handle(format("%s [%s]=load(%q),",depth,k,f))
        end
@@ -2705,6 +2739,8 @@ local function do_serialize(root,name,depth,level,indexed)
     if tk=="number" then
      if hexify then
       handle(format("%s [0x%X]=%q,",depth,k,tostring(v)))
+     elseif accurate then
+      handle(format("%s [%q]=%q,",depth,k,tostring(v)))
      else
       handle(format("%s [%s]=%q,",depth,k,tostring(v)))
      end
@@ -2728,6 +2764,7 @@ local function serialize(_handle,root,name,specification)
  if type(specification)=="table" then
   noquotes=specification.noquotes
   hexify=specification.hexify
+  accurate=specification.accurate
   handle=_handle or specification.handle or print
   functions=specification.functions
   compact=specification.compact
@@ -3043,7 +3080,7 @@ end
 local function sequenced(t,sep,simple)
  if not t then
   return ""
- elseif type(t)=="string" then
+ elseif type(t)~="table" then
   return t 
  end
  local n=#t
@@ -3082,7 +3119,11 @@ local function sequenced(t,sep,simple)
    end
   end
  end
- return concat(s,sep or " | ")
+ if sep==true then
+  return "{ "..concat(s,", ").." }"
+ else
+  return concat(s,sep or " | ")
+ end
 end
 table.sequenced=sequenced
 function table.print(t,...)
@@ -3213,7 +3254,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["l-io"] = package.loaded["l-io"] or true
 
--- original size: 11823, stripped down to: 6325
+-- original size: 11829, stripped down to: 6331
 
 if not modules then modules={} end modules ['l-io']={
  version=1.001,
@@ -3227,7 +3268,7 @@ local open,flush,write,read=io.open,io.flush,io.write,io.read
 local byte,find,gsub,format=string.byte,string.find,string.gsub,string.format
 local concat=table.concat
 local type=type
-if string.find(os.getenv("PATH"),";",1,true) then
+if string.find(os.getenv("PATH") or "",";",1,true) then
  io.fileseparator,io.pathseparator="\\",";"
 else
  io.fileseparator,io.pathseparator="/",":"
@@ -3765,7 +3806,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["l-os"] = package.loaded["l-os"] or true
 
--- original size: 18916, stripped down to: 10126
+-- original size: 19102, stripped down to: 10192
 
 if not modules then modules={} end modules ['l-os']={
  version=1.001,
@@ -3779,7 +3820,7 @@ local date,time=os.date,os.time
 local find,format,gsub,upper,gmatch=string.find,string.format,string.gsub,string.upper,string.gmatch
 local concat=table.concat
 local random,ceil,randomseed=math.random,math.ceil,math.randomseed
-local rawget,rawset,type,getmetatable,setmetatable,tonumber,tostring=rawget,rawset,type,getmetatable,setmetatable,tonumber,tostring
+local type,setmetatable,tonumber,tostring=type,setmetatable,tonumber,tostring
 do
  local selfdir=os.selfdir
  if selfdir=="" then
@@ -3930,7 +3971,8 @@ local launchers={
  unix="xdg-open %s &> /dev/null &",
 }
 function os.launch(str)
- execute(format(launchers[os.name] or launchers.unix,str))
+ local command=format(launchers[os.name] or launchers.unix,str)
+ execute(command)
 end
 local gettimeofday=os.gettimeofday or os.clock
 os.gettimeofday=gettimeofday
@@ -4185,6 +4227,12 @@ function os.validdate(year,month,day)
  end
  return year,month,day
 end
+function os.date(fmt,...)
+ if not fmt then
+  fmt="%Y-%m-%d %H:%M"
+ end
+ return date(fmt,...)
+end
 local osexit=os.exit
 local exitcode=nil
 function os.setexitcode(code)
@@ -4207,7 +4255,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["l-file"] = package.loaded["l-file"] or true
 
--- original size: 21984, stripped down to: 10148
+-- original size: 22175, stripped down to: 10302
 
 if not modules then modules={} end modules ['l-file']={
  version=1.001,
@@ -4229,15 +4277,24 @@ local checkedsplit=string.checkedsplit
 local P,R,S,C,Cs,Cp,Cc,Ct=lpeg.P,lpeg.R,lpeg.S,lpeg.C,lpeg.Cs,lpeg.Cp,lpeg.Cc,lpeg.Ct
 local attributes=lfs.attributes
 function lfs.isdir(name)
- return attributes(name,"mode")=="directory"
+ if name then
+  return attributes(name,"mode")=="directory"
+ end
 end
 function lfs.isfile(name)
- local a=attributes(name,"mode")
- return a=="file" or a=="link" or nil
+ if name then
+  local a=attributes(name,"mode")
+  return a=="file" or a=="link" or nil
+ end
 end
 function lfs.isfound(name)
- local a=attributes(name,"mode")
- return (a=="file" or a=="link") and name or nil
+ if name then
+  local a=attributes(name,"mode")
+  return (a=="file" or a=="link") and name or nil
+ end
+end
+function lfs.modification(name)
+ return name and attributes(name,"modification") or nil
 end
 if sandbox then
  sandbox.redefine(lfs.isfile,"lfs.isfile")
@@ -4616,7 +4673,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["l-gzip"] = package.loaded["l-gzip"] or true
 
--- original size: 1211, stripped down to: 951
+-- original size: 5115, stripped down to: 1699
 
 if not modules then modules={} end modules ['l-gzip']={
  version=1.001,
@@ -4624,43 +4681,75 @@ if not modules then modules={} end modules ['l-gzip']={
  copyright="PRAGMA ADE / ConTeXt Development Team",
  license="see context related readme files"
 }
-if not gzip then
- return
-end
-local suffix,suffixes=file.suffix,file.suffixes
-function gzip.load(filename)
- local f=io.open(filename,"rb")
- if not f then
- elseif suffix(filename)=="gz" then
-  f:close()
-  local g=gzip.open(filename,"rb")
-  if g then
-   local str=g:read("*all")
-   g:close()
-   return str
+gzip=gzip or {} 
+if not zlib then
+ zlib=xzip 
+elseif not xzip then
+ xzip=zlib
+end
+if zlib then
+ local suffix=file.suffix
+ local suffixes=file.suffixes
+ local find=string.find
+ local openfile=io.open
+ local gzipwindow=15+16 
+ local gziplevel=3
+ local identifier="^\x1F\x8B\x08"
+ local compress=zlib.compress
+ local decompress=zlib.decompress
+ function gzip.load(filename)
+  local f=openfile(filename,"rb")
+  if not f then
+  else
+   local data=f:read("*all")
+   f:close()
+   if data and data~="" then
+    if suffix(filename)=="gz" then
+     data=decompress(data,gzipwindow)
+    end
+    return data
+   end
   end
- else
-  local str=f:read("*all")
-  f:close()
-  return str
  end
-end
-function gzip.save(filename,data)
- if suffix(filename)~="gz" then
-  filename=filename..".gz"
+ function gzip.save(filename,data,level)
+  if suffix(filename)~="gz" then
+   filename=filename..".gz"
+  end
+  local f=openfile(filename,"wb")
+  if f then
+   data=compress(data or "",level or gziplevel,nil,gzipwindow)
+   f:write(data)
+   f:close()
+   return #data
+  end
  end
- local f=io.open(filename,"wb")
- if f then
-  local s=zlib.compress(data or "",9,nil,15+16)
-  f:write(s)
-  f:close()
-  return #s
+ function gzip.suffix(filename)
+  local suffix,extra=suffixes(filename)
+  local gzipped=extra=="gz"
+  return suffix,gzipped
+ end
+ function gzip.compressed(s)
+  return s and find(s,identifier)
+ end
+ function gzip.compress(s,level)
+  if s and not find(s,identifier) then 
+   if not level then
+    level=gziplevel
+   elseif level<=0 then
+    return s
+   elseif level>9 then
+    level=9
+   end
+   return compress(s,level or gziplevel,nil,gzipwindow) or s
+  end
+ end
+ function gzip.decompress(s)
+  if s and find(s,identifier) then
+   return decompress(s,gzipwindow)
+  else
+   return s
+  end
  end
-end
-function gzip.suffix(filename)
- local suffix,extra=suffixes(filename)
- local gzipped=extra=="gz"
- return suffix,gzipped
 end
 
 
@@ -4670,7 +4759,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["l-md5"] = package.loaded["l-md5"] or true
 
--- original size: 3309, stripped down to: 2218
+-- original size: 3414, stripped down to: 2307
 
 if not modules then modules={} end modules ['l-md5']={
  version=1.001,
@@ -4689,6 +4778,8 @@ if not md5 then
 end
 local md5,file=md5,file
 local gsub=string.gsub
+local modification,isfile,touch=lfs.modification,lfs.isfile,lfs.touch
+local loaddata,savedata=io.loaddata,io.savedata
 do
  local patterns=lpeg and lpeg.patterns
  if patterns then
@@ -4704,10 +4795,11 @@ do
   md5.sumHEXA=md5.HEX
  end
 end
+local md5HEX=md5.HEX
 function file.needsupdating(oldname,newname,threshold) 
- local oldtime=lfs.attributes(oldname,"modification")
+ local oldtime=modification(oldname)
  if oldtime then
-  local newtime=lfs.attributes(newname,"modification")
+  local newtime=modification(newname)
   if not newtime then
    return true 
   elseif newtime>=oldtime then
@@ -4723,31 +4815,32 @@ function file.needsupdating(oldname,newname,threshold)
 end
 file.needs_updating=file.needsupdating
 function file.syncmtimes(oldname,newname)
- local oldtime=lfs.attributes(oldname,"modification")
- if oldtime and lfs.isfile(newname) then
-  lfs.touch(newname,oldtime,oldtime)
+ local oldtime=modification(oldname)
+ if oldtime and isfile(newname) then
+  touch(newname,oldtime,oldtime)
  end
 end
-function file.checksum(name)
+local function checksum(name)
  if md5 then
-  local data=io.loaddata(name)
+  local data=loaddata(name)
   if data then
-   return md5.HEX(data)
+   return md5HEX(data)
   end
  end
  return nil
 end
+file.checksum=checksum
 function file.loadchecksum(name)
  if md5 then
-  local data=io.loaddata(name..".md5")
+  local data=loaddata(name..".md5")
   return data and (gsub(data,"%s",""))
  end
  return nil
 end
 function file.savechecksum(name,checksum)
- if not checksum then checksum=file.checksum(name) end
+ if not checksum then checksum=checksum(name) end
  if checksum then
-  io.savedata(name..".md5",checksum)
+  savedata(name..".md5",checksum)
   return checksum
  end
  return nil
@@ -5636,7 +5729,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["l-unicode"] = package.loaded["l-unicode"] or true
 
--- original size: 41047, stripped down to: 17171
+-- original size: 41281, stripped down to: 17261
 
 if not modules then modules={} end modules ['l-unicode']={
  version=1.001,
@@ -6151,49 +6244,52 @@ end
 function utf.utf32_to_utf8_t(t,endian)
  return endian and utf32_to_utf8_be_t(t) or utf32_to_utf8_le_t(t) or t
 end
-local function little(b)
- if b<0x10000 then
-  return char(b%256,rshift(b,8))
- else
-  b=b-0x10000
-  local b1=rshift(b,10)+0xD800
-  local b2=b%1024+0xDC00
-  return char(b1%256,rshift(b1,8),b2%256,rshift(b2,8))
+if bit32 then
+ local rshift=bit32.rshift
+ local function little(b)
+  if b<0x10000 then
+   return char(b%256,rshift(b,8))
+  else
+   b=b-0x10000
+   local b1=rshift(b,10)+0xD800
+   local b2=b%1024+0xDC00
+   return char(b1%256,rshift(b1,8),b2%256,rshift(b2,8))
+  end
  end
-end
-local function big(b)
- if b<0x10000 then
-  return char(rshift(b,8),b%256)
- else
-  b=b-0x10000
-  local b1=rshift(b,10)+0xD800
-  local b2=b%1024+0xDC00
-  return char(rshift(b1,8),b1%256,rshift(b2,8),b2%256)
+ local function big(b)
+  if b<0x10000 then
+   return char(rshift(b,8),b%256)
+  else
+   b=b-0x10000
+   local b1=rshift(b,10)+0xD800
+   local b2=b%1024+0xDC00
+   return char(rshift(b1,8),b1%256,rshift(b2,8),b2%256)
+  end
  end
-end
-local l_remap=Cs((p_utf8byte/little+P(1)/"")^0)
-local b_remap=Cs((p_utf8byte/big+P(1)/"")^0)
-local function utf8_to_utf16_be(str,nobom)
- if nobom then
-  return lpegmatch(b_remap,str)
- else
-  return char(254,255)..lpegmatch(b_remap,str)
+ local l_remap=Cs((p_utf8byte/little+P(1)/"")^0)
+ local b_remap=Cs((p_utf8byte/big+P(1)/"")^0)
+ local function utf8_to_utf16_be(str,nobom)
+  if nobom then
+   return lpegmatch(b_remap,str)
+  else
+   return char(254,255)..lpegmatch(b_remap,str)
+  end
  end
-end
-local function utf8_to_utf16_le(str,nobom)
- if nobom then
-  return lpegmatch(l_remap,str)
- else
-  return char(255,254)..lpegmatch(l_remap,str)
+ local function utf8_to_utf16_le(str,nobom)
+  if nobom then
+   return lpegmatch(l_remap,str)
+  else
+   return char(255,254)..lpegmatch(l_remap,str)
+  end
  end
-end
-utf.utf8_to_utf16_be=utf8_to_utf16_be
-utf.utf8_to_utf16_le=utf8_to_utf16_le
-function utf.utf8_to_utf16(str,littleendian,nobom)
- if littleendian then
-  return utf8_to_utf16_le(str,nobom)
- else
-  return utf8_to_utf16_be(str,nobom)
+ utf.utf8_to_utf16_be=utf8_to_utf16_be
+ utf.utf8_to_utf16_le=utf8_to_utf16_le
+ function utf.utf8_to_utf16(str,littleendian,nobom)
+  if littleendian then
+   return utf8_to_utf16_le(str,nobom)
+  else
+   return utf8_to_utf16_be(str,nobom)
+  end
  end
 end
 local pattern=Cs (
@@ -6467,7 +6563,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["util-str"] = package.loaded["util-str"] or true
 
--- original size: 43488, stripped down to: 21595
+-- original size: 45188, stripped down to: 22734
 
 if not modules then modules={} end modules ['util-str']={
  version=1.001,
@@ -6797,6 +6893,13 @@ local template=[[
 %s
 return function(%s) return %s end
 ]]
+local pattern=Cs(Cc('"')*(
+ (1-S('"\\\n\r'))^1+P('"')/'\\"'+P('\\')/'\\\\'+P('\n')/'\\n'+P('\r')/'\\r'
+)^0*Cc('"'))
+patterns.escapedquotes=pattern
+function string.escapedquotes(s)
+ return lpegmatch(pattern,s)
+end
 local preamble=""
 local environment={
  global=global or _G,
@@ -6821,9 +6924,10 @@ local environment={
  formattednumber=number.formatted,
  sparseexponent=number.sparseexponent,
  formattedfloat=number.formattedfloat,
- stripzero=lpeg.patterns.stripzero,
- stripzeros=lpeg.patterns.stripzeros,
- FORMAT=string.f9,
+ stripzero=patterns.stripzero,
+ stripzeros=patterns.stripzeros,
+ escapedquotes=string.escapedquotes,
+ FORMAT=string.f6,
 }
 local arguments={ "a1" } 
 setmetatable(arguments,{ __index=function(t,k)
@@ -6874,13 +6978,16 @@ local format_left=function(f)
   return format("a%s..utfpadding(a%s,%i)",n,n,-f)
  end
 end
-local format_q=function()
+local format_q=JITSUPPORTED and function()
  n=n+1
  return format("(a%s ~= nil and format('%%q',tostring(a%s)) or '')",n,n)
+end or function()
+ n=n+1
+ return format("(a%s ~= nil and format('%%q',a%s) or '')",n,n)
 end
 local format_Q=function() 
  n=n+1
- return format("format('%%q',tostring(a%s))",n)
+ return format("escapedquotes(tostring(a%s))",n)
 end
 local format_i=function(f)
  n=n+1
@@ -7031,12 +7138,25 @@ local format_n=function()
  n=n+1
  return format("((a%s %% 1 == 0) and format('%%i',a%s) or tostring(a%s))",n,n,n)
 end
-local format_N=function(f) 
- n=n+1
- if not f or f=="" then
-  f=".9"
- end 
- return format("(((a%s %% 1 == 0) and format('%%i',a%s)) or lpegmatch(stripzero,format('%%%sf',a%s)))",n,n,f,n)
+local format_N  if environment.FORMAT then
+ format_N=function(f)
+  n=n+1
+  if not f or f=="" then
+   return format("FORMAT(a%s,'%%.9f')",n)
+  elseif f==".6" or f=="0.6" then
+   return format("FORMAT(a%s)",n)
+  else
+   return format("FORMAT(a%s,'%%%sf')",n,f)
+  end
+ end
+else
+ format_N=function(f) 
+  n=n+1
+  if not f or f=="" then
+   f=".9"
+  end 
+  return format("(((a%s %% 1 == 0) and format('%%i',a%s)) or lpegmatch(stripzero,format('%%%sf',a%s)))",n,n,f,n)
+ end
 end
 local format_a=function(f)
  n=n+1
@@ -7265,9 +7385,9 @@ patterns.xmlescape=Cs((P("<")/"&lt;"+P(">")/"&gt;"+P("&")/"&amp;"+P('"')/"&quot;
 patterns.texescape=Cs((C(S("#$%\\{}"))/"\\%1"+anything)^0)
 patterns.luaescape=Cs(((1-S('"\n'))^1+P('"')/'\\"'+P('\n')/'\\n"')^0) 
 patterns.luaquoted=Cs(Cc('"')*((1-S('"\n'))^1+P('"')/'\\"'+P('\n')/'\\n"')^0*Cc('"'))
-add(formatters,"xml",[[lpegmatch(xmlescape,%s)]],{ xmlescape=lpeg.patterns.xmlescape })
-add(formatters,"tex",[[lpegmatch(texescape,%s)]],{ texescape=lpeg.patterns.texescape })
-add(formatters,"lua",[[lpegmatch(luaescape,%s)]],{ luaescape=lpeg.patterns.luaescape })
+add(formatters,"xml",[[lpegmatch(xmlescape,%s)]],{ xmlescape=patterns.xmlescape })
+add(formatters,"tex",[[lpegmatch(texescape,%s)]],{ texescape=patterns.texescape })
+add(formatters,"lua",[[lpegmatch(luaescape,%s)]],{ luaescape=patterns.luaescape })
 local dquote=patterns.dquote 
 local equote=patterns.escaped+dquote/'\\"'+1
 local cquote=Cc('"')
@@ -7299,6 +7419,27 @@ local f_16_16=formatters["%0.5N"]
 function number.to16dot16(n)
  return f_16_16(n/65536.0)
 end
+if not string.explode then
+ local tsplitat=lpeg.tsplitat
+ local p_utf=patterns.utf8character
+ local p_check=C(p_utf)*(P("+")*Cc(true))^0
+ local p_split=Ct(C(p_utf)^0)
+ local p_space=Ct((C(1-P(" ")^1)+P(" ")^1)^0)
+ function string.explode(str,symbol)
+  if symbol=="" then
+   return lpegmatch(p_split,str)
+  elseif symbol then
+   local a,b=lpegmatch(p_check,symbol)
+   if b then
+    return lpegmatch(tsplitat(P(a)^1),str)
+   else
+    return lpegmatch(tsplitat(a),str)
+   end
+  else
+   return lpegmatch(p_space,str)
+  end
+ end
+end
 
 
 end -- of closure
@@ -7307,7 +7448,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["util-tab"] = package.loaded["util-tab"] or true
 
--- original size: 28866, stripped down to: 16134
+-- original size: 32649, stripped down to: 18257
 
 if not modules then modules={} end modules ['util-tab']={
  version=1.001,
@@ -7544,78 +7685,160 @@ function tables.encapsulate(core,capsule,protect)
   } )
  end
 end
-local f_hashed_string=formatters["[%q]=%q,"]
-local f_hashed_number=formatters["[%q]=%s,"]
-local f_hashed_boolean=formatters["[%q]=%l,"]
-local f_hashed_table=formatters["[%q]="]
-local f_indexed_string=formatters["[%s]=%q,"]
-local f_indexed_number=formatters["[%s]=%s,"]
-local f_indexed_boolean=formatters["[%s]=%l,"]
-local f_indexed_table=formatters["[%s]="]
-local f_ordered_string=formatters["%q,"]
-local f_ordered_number=formatters["%s,"]
-local f_ordered_boolean=formatters["%l,"]
-function table.fastserialize(t,prefix)
- local r={ type(prefix)=="string" and prefix or "return" }
- local m=1
- local function fastserialize(t,outer) 
-  local n=#t
-  m=m+1
-  r[m]="{"
-  if n>0 then
-   for i=0,n do
-    local v=t[i]
-    local tv=type(v)
-    if tv=="string" then
-     m=m+1 r[m]=f_ordered_string(v)
-    elseif tv=="number" then
-     m=m+1 r[m]=f_ordered_number(v)
-    elseif tv=="table" then
-     fastserialize(v)
-    elseif tv=="boolean" then
-     m=m+1 r[m]=f_ordered_boolean(v)
+if JITSUPPORTED then
+ local f_hashed_string=formatters["[%Q]=%Q,"]
+ local f_hashed_number=formatters["[%Q]=%s,"]
+ local f_hashed_boolean=formatters["[%Q]=%l,"]
+ local f_hashed_table=formatters["[%Q]="]
+ local f_indexed_string=formatters["[%s]=%Q,"]
+ local f_indexed_number=formatters["[%s]=%s,"]
+ local f_indexed_boolean=formatters["[%s]=%l,"]
+ local f_indexed_table=formatters["[%s]="]
+ local f_ordered_string=formatters["%Q,"]
+ local f_ordered_number=formatters["%s,"]
+ local f_ordered_boolean=formatters["%l,"]
+ function table.fastserialize(t,prefix)
+  local r={ type(prefix)=="string" and prefix or "return" }
+  local m=1
+  local function fastserialize(t,outer) 
+   local n=#t
+   m=m+1
+   r[m]="{"
+   if n>0 then
+    local v=t[0]
+    if v then
+     local tv=type(v)
+     if tv=="string" then
+      m=m+1 r[m]=f_indexed_string(0,v)
+     elseif tv=="number" then
+      m=m+1 r[m]=f_indexed_number(0,v)
+     elseif tv=="table" then
+      m=m+1 r[m]=f_indexed_table(0)
+      fastserialize(v)
+      m=m+1 r[m]=f_indexed_table(0)
+     elseif tv=="boolean" then
+      m=m+1 r[m]=f_indexed_boolean(0,v)
+     end
+    end
+    for i=1,n do
+     local v=t[i]
+     local tv=type(v)
+     if tv=="string" then
+      m=m+1 r[m]=f_ordered_string(v)
+     elseif tv=="number" then
+      m=m+1 r[m]=f_ordered_number(v)
+     elseif tv=="table" then
+      fastserialize(v)
+     elseif tv=="boolean" then
+      m=m+1 r[m]=f_ordered_boolean(v)
+     end
     end
    end
-  end
-  for k,v in next,t do
-   local tk=type(k)
-   if tk=="number" then
-    if k>n or k<0 then
+   for k,v in next,t do
+    local tk=type(k)
+    if tk=="number" then
+     if k>n or k<0 then
+      local tv=type(v)
+      if tv=="string" then
+       m=m+1 r[m]=f_indexed_string(k,v)
+      elseif tv=="number" then
+       m=m+1 r[m]=f_indexed_number(k,v)
+      elseif tv=="table" then
+       m=m+1 r[m]=f_indexed_table(k)
+       fastserialize(v)
+      elseif tv=="boolean" then
+       m=m+1 r[m]=f_indexed_boolean(k,v)
+      end
+     end
+    else
      local tv=type(v)
      if tv=="string" then
-      m=m+1 r[m]=f_indexed_string(k,v)
+      m=m+1 r[m]=f_hashed_string(k,v)
      elseif tv=="number" then
-      m=m+1 r[m]=f_indexed_number(k,v)
+      m=m+1 r[m]=f_hashed_number(k,v)
      elseif tv=="table" then
-      m=m+1 r[m]=f_indexed_table(k)
+      m=m+1 r[m]=f_hashed_table(k)
       fastserialize(v)
      elseif tv=="boolean" then
-      m=m+1 r[m]=f_indexed_boolean(k,v)
+      m=m+1 r[m]=f_hashed_boolean(k,v)
      end
     end
+   end
+   m=m+1
+   if outer then
+    r[m]="}"
    else
-    local tv=type(v)
-    if tv=="string" then
-     m=m+1 r[m]=f_hashed_string(k,v)
-    elseif tv=="number" then
-     m=m+1 r[m]=f_hashed_number(k,v)
-    elseif tv=="table" then
-     m=m+1 r[m]=f_hashed_table(k)
-     fastserialize(v)
-    elseif tv=="boolean" then
-     m=m+1 r[m]=f_hashed_boolean(k,v)
-    end
+    r[m]="},"
    end
+   return r
   end
-  m=m+1
-  if outer then
-   r[m]="}"
-  else
-   r[m]="},"
+  return concat(fastserialize(t,true))
+ end
+else
+ local f_v=formatters["[%q]=%q,"]
+ local f_t=formatters["[%q]="]
+ local f_q=formatters["%q,"]
+ function table.fastserialize(t,prefix) 
+  local r={ type(prefix)=="string" and prefix or "return" }
+  local m=1
+  local function fastserialize(t,outer) 
+   local n=#t
+   m=m+1
+   r[m]="{"
+   if n>0 then
+    local v=t[0]
+    if v then
+     m=m+1
+     r[m]="[0]='"
+     if type(v)=="table" then
+      fastserialize(v)
+     else
+      r[m]=format("%q,",v)
+     end
+    end
+    for i=1,n do
+     local v=t[i]
+     m=m+1
+     if type(v)=="table" then
+      r[m]=format("[%i]=",i)
+      fastserialize(v)
+     else
+      r[m]=format("[%i]=%q,",i,v)
+     end
+    end
+   end
+   for k,v in next,t do
+    local tk=type(k)
+    if tk=="number" then
+     if k>n or k<0 then
+      m=m+1
+      if type(v)=="table" then
+       r[m]=format("[%i]=",k)
+       fastserialize(v)
+      else
+       r[m]=format("[%i]=%q,",k,v)
+      end
+     end
+    else
+     m=m+1
+     if type(v)=="table" then
+      r[m]=format("[%q]=",k)
+      fastserialize(v)
+     else
+      r[m]=format("[%q]=%q,",k,v)
+     end
+    end
+   end
+   m=m+1
+   if outer then
+    r[m]="}"
+   else
+    r[m]="},"
+   end
+   return r
   end
-  return r
+  return concat(fastserialize(t,true))
  end
- return concat(fastserialize(t,true))
 end
 function table.deserialize(str)
  if not str or str=="" then
@@ -7709,28 +7932,28 @@ function table.twowaymapper(t)
  return t
 end
 local f_start_key_idx=formatters["%w{"]
-local f_start_key_num=formatters["%w[%s]={"]
+local f_start_key_num=JITSUPPORTED and formatters["%w[%s]={"] or formatters["%w[%q]={"]
 local f_start_key_str=formatters["%w[%q]={"]
 local f_start_key_boo=formatters["%w[%l]={"]
 local f_start_key_nop=formatters["%w{"]
 local f_stop=formatters["%w},"]
-local f_key_num_value_num=formatters["%w[%s]=%s,"]
-local f_key_str_value_num=formatters["%w[%q]=%s,"]
-local f_key_boo_value_num=formatters["%w[%l]=%s,"]
-local f_key_num_value_str=formatters["%w[%s]=%q,"]
-local f_key_str_value_str=formatters["%w[%q]=%q,"]
-local f_key_boo_value_str=formatters["%w[%l]=%q,"]
-local f_key_num_value_boo=formatters["%w[%s]=%l,"]
-local f_key_str_value_boo=formatters["%w[%q]=%l,"]
+local f_key_num_value_num=JITSUPPORTED and formatters["%w[%s]=%s,"] or formatters["%w[%s]=%q,"]
+local f_key_str_value_num=JITSUPPORTED and formatters["%w[%Q]=%s,"] or formatters["%w[%Q]=%q,"]
+local f_key_boo_value_num=JITSUPPORTED and formatters["%w[%l]=%s,"] or formatters["%w[%l]=%q,"]
+local f_key_num_value_str=JITSUPPORTED and formatters["%w[%s]=%Q,"] or formatters["%w[%q]=%Q,"]
+local f_key_str_value_str=formatters["%w[%Q]=%Q,"]
+local f_key_boo_value_str=formatters["%w[%l]=%Q,"]
+local f_key_num_value_boo=JITSUPPORTED and formatters["%w[%s]=%l,"] or formatters["%w[%q]=%l,"]
+local f_key_str_value_boo=formatters["%w[%Q]=%l,"]
 local f_key_boo_value_boo=formatters["%w[%l]=%l,"]
-local f_key_num_value_not=formatters["%w[%s]={},"]
-local f_key_str_value_not=formatters["%w[%q]={},"]
+local f_key_num_value_not=JITSUPPORTED and formatters["%w[%s]={},"] or formatters["%w[%q]={},"]
+local f_key_str_value_not=formatters["%w[%Q]={},"]
 local f_key_boo_value_not=formatters["%w[%l]={},"]
-local f_key_num_value_seq=formatters["%w[%s]={ %, t },"]
-local f_key_str_value_seq=formatters["%w[%q]={ %, t },"]
+local f_key_num_value_seq=JITSUPPORTED and formatters["%w[%s]={ %, t },"] or formatters["%w[%q]={ %, t },"]
+local f_key_str_value_seq=formatters["%w[%Q]={ %, t },"]
 local f_key_boo_value_seq=formatters["%w[%l]={ %, t },"]
-local f_val_num=formatters["%w%s,"]
-local f_val_str=formatters["%w%q,"]
+local f_val_num=JITSUPPORTED and formatters["%w%s,"] or formatters["%w%q,"]
+local f_val_str=formatters["%w%Q,"]
 local f_val_boo=formatters["%w%l,"]
 local f_val_not=formatters["%w{},"]
 local f_val_seq=formatters["%w{ %, t },"]
@@ -7738,7 +7961,7 @@ local f_fin_seq=formatters[" %, t }"]
 local f_table_return=formatters["return {"]
 local f_table_name=formatters["%s={"]
 local f_table_direct=formatters["{"]
-local f_table_entry=formatters["[%q]={"]
+local f_table_entry=formatters["[%Q]={"]
 local f_table_finish=formatters["}"]
 local spaces=utilities.strings.newrepeater(" ")
 local original_serialize=table.serialize
@@ -8339,7 +8562,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["util-sac"] = package.loaded["util-sac"] or true
 
--- original size: 11332, stripped down to: 8420
+-- original size: 12946, stripped down to: 9507
 
 if not modules then modules={} end modules ['util-sac']={
  version=1.001,
@@ -8374,6 +8597,7 @@ end
 function streams.size(f)
  return f and f[3] or 0
 end
+streams.getsize=streams.size
 function streams.setposition(f,i)
  if f[4] then
   if i<=0 then
@@ -8566,9 +8790,9 @@ function streams.readfixed2(f)
  f[2]=j+1
  local a,b=byte(f[1],i,j)
  if a>=0x80 then
-  tonumber((a-0x100).."."..b)
+  return tonumber((a-0x100).."."..b) or 0
  else
-  tonumber((a  ).."."..b)
+  return tonumber((a  ).."."..b) or 0
  end
 end
 function streams.readfixed4(f)
@@ -8577,9 +8801,9 @@ function streams.readfixed4(f)
  f[2]=j+1
  local a,b,c,d=byte(f[1],i,j)
  if a>=0x80 then
-  tonumber((0x100*a+b-0x10000).."."..(0x100*c+d))
+  return tonumber((0x100*a+b-0x10000).."."..(0x100*c+d)) or 0
  else
-  tonumber((0x100*a+b    ).."."..(0x100*c+d))
+  return tonumber((0x100*a+b    ).."."..(0x100*c+d)) or 0
  end
 end
 if bit32 then
@@ -8659,6 +8883,16 @@ if sio and sio.readcardinal2 then
   f[2]=i+4
   return readinteger4(f[1],i)
  end
+ function streams.readfixed2(f) 
+  local i=f[2]
+  f[2]=i+2
+  return readfixed2(f[1],i)
+ end
+ function streams.readfixed4(f) 
+  local i=f[2]
+  f[2]=i+4
+  return readfixed4(f[1],i)
+ end
  function streams.read2dot4(f)
   local i=f[2]
   f[2]=i+2
@@ -8758,6 +8992,50 @@ else
   return t
  end
 end
+do
+ local files=utilities.files
+ if files then
+  local openfile=files.open
+  local openstream=streams.open
+  local openstring=streams.openstring
+  local setmetatable=setmetatable
+  function io.newreader(str,method)
+   local f,m
+   if method=="string" then
+    f=openstring(str)
+    m=streams
+   elseif method=="stream" then
+    f=openstream(str)
+    m=streams
+   else
+    f=openfile(str,"rb")
+    m=files
+   end
+   if f then
+    local t={}
+    setmetatable(t,{
+     __index=function(t,k)
+      local r=m[k]
+      if k=="close" then
+       if f then
+        m.close(f)
+        f=nil
+       end
+       return function() end
+      elseif r then
+       local v=function(_,a,b) return r(f,a,b) end
+       t[k]=v
+       return v
+      else
+       print("unknown key",k)
+      end
+     end
+    } )
+    return t
+   end
+  end
+ end
+end
 
 
 end -- of closure
@@ -9801,7 +10079,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["util-soc-imp-copas"] = package.loaded["util-soc-imp-copas"] or true
 
--- original size: 25844, stripped down to: 14821
+-- original size: 25959, stripped down to: 14893
 
 
 local socket=socket or require("socket")
@@ -9838,6 +10116,7 @@ local copas={
  autoclose=true,
  running=false,
  report=report,
+ trace=false,
 }
 local function statushandler(status,...)
  if status then
@@ -9847,7 +10126,9 @@ local function statushandler(status,...)
  if type(err)=="table" then
   err=err[1]
  end
- report("error: %s",tostring(err))
+ if copas.trace then
+  report("error: %s",tostring(err))
+ end
  return nil,err
 end
 function socket.protect(func)
@@ -9861,7 +10142,9 @@ function socket.newtry(finalizer)
   if not status then
    local detail=select(2,...)
    pcall(finalizer,detail)
-   report("error: %s",tostring(detail))
+   if copas.trace then
+    report("error: %s",tostring(detail))
+   end
    return
   end
   return...
@@ -12429,7 +12712,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["trac-set"] = package.loaded["trac-set"] or true
 
--- original size: 13340, stripped down to: 8826
+-- original size: 13394, stripped down to: 8882
 
 if not modules then modules={} end modules ['trac-set']={ 
  version=1.001,
@@ -12439,8 +12722,9 @@ if not modules then modules={} end modules ['trac-set']={
  license="see context related readme files"
 }
 local type,next,tostring,tonumber=type,next,tostring,tonumber
+local print=print
 local concat,sortedhash=table.concat,table.sortedhash
-local format,find,lower,gsub,topattern=string.format,string.find,string.lower,string.gsub,string.topattern
+local formatters,find,lower,gsub,topattern=string.formatters,string.find,string.lower,string.gsub,string.topattern
 local is_boolean=string.is_boolean
 local settings_to_hash=utilities.parsers.settings_to_hash
 local allocate=utilities.storage.allocate
@@ -12450,10 +12734,10 @@ local setters=utilities.setters or {}
 utilities.setters=setters
 local data={}
 local trace_initialize=false 
+local frozen=true  
 function setters.initialize(filename,name,values) 
  local setter=data[name]
  if setter then
-  frozen=true
   local data=setter.data
   if data then
    for key,newvalue in sortedhash(values) do
@@ -12647,8 +12931,8 @@ function setters.show(t)
  end
 end
 local enable,disable,register,list,show=setters.enable,setters.disable,setters.register,setters.list,setters.show
-function setters.report(setter,...)
- print(format("%-15s : %s\n",setter.name,format(...)))
+function setters.report(setter,fmt,...)
+ print(formatters["%-15s : %s\n"](setter.name,formatters[fmt](...)))
 end
 local function default(setter,name)
  local d=setter.data[name]
@@ -12668,7 +12952,7 @@ function setters.new(name)
   disable=function(...)   disable (setter,...) end,
   reset=function(...)   reset   (setter,...) end,
   register=function(...)   register(setter,...) end,
-  list=function(...)   list (setter,...) end,
+  list=function(...)  return list (setter,...) end,
   show=function(...)   show (setter,...) end,
   default=function(...)  return default (setter,...) end,
   value=function(...)  return value   (setter,...) end,
@@ -12771,7 +13055,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["trac-log"] = package.loaded["trac-log"] or true
 
--- original size: 32618, stripped down to: 20935
+-- original size: 33003, stripped down to: 21667
 
 if not modules then modules={} end modules ['trac-log']={
  version=1.001,
@@ -12816,14 +13100,30 @@ local function ignore() end
 setmetatableindex(logs,function(t,k) t[k]=ignore;return ignore end)
 local report,subreport,status,settarget,setformats,settranslations
 local direct,subdirect,writer,pushtarget,poptarget,setlogfile,settimedlog,setprocessor,setformatters,newline
+local function ansisupported(specification)
+ if specification~="ansi" and specification~="ansilog" then
+  return false
+ elseif os and os.enableansi then
+  return os.enableansi()
+ else
+  return false
+ end
+end
 if runningtex and texio then
  if texio.setescape then
   texio.setescape(0) 
  end
- if arg then
+ if arg and ansisupported then
   for k,v in next,arg do 
    if v=="--ansi" or v=="--c:ansi" then
-    variant="ansi"
+    if ansisupported("ansi") then
+     variant="ansi"
+    end
+    break
+   elseif v=="--ansilog" or v=="--c:ansilog" then
+    if ansisupported("ansilog") then
+     variant="ansilog"
+    end
     break
    end
   end
@@ -12928,6 +13228,10 @@ if runningtex and texio then
    },
   }
  }
+ variants.ansilog={
+  formats=variants.ansi.formats,
+  targets=variants.default.targets,
+ }
  logs.flush=io.flush
  writer=function(...)
   write_nl(target,...)
@@ -13034,6 +13338,9 @@ if runningtex and texio then
    t=specification.targets
    f=specification.formats or specification
   else
+   if not ansisupported(specification) then
+    specification="default"
+   end
    local v=variants[specification]
    if v then
     t=v.targets
@@ -13060,7 +13367,7 @@ if runningtex and texio then
   subdirect_nop=f.subdirect_nop
   status_yes=f.status_yes
   status_nop=f.status_nop
-  if variant=="ansi" then
+  if variant=="ansi" or variant=="ansilog" then
    useluawrites() 
   end
   settarget(whereto)
@@ -13153,6 +13460,9 @@ else
    if type(specification)=="table" then
     f=specification.formats or specification
    else
+    if not ansisupported(specification) then
+     specification="default"
+    end
     local v=variants[specification]
     if v then
      f=v.formats
@@ -13408,12 +13718,6 @@ end
 local nesting=0
 local verbose=false
 local hasscheme=url.hasscheme
-function logs.show_open(name)
-end
-function logs.show_close(name)
-end
-function logs.show_load(name)
-end
 local simple=logs.reporter("comment")
 logs.simple=simple
 logs.simpleline=simple
@@ -13480,6 +13784,13 @@ local exporters={
 logs.reporters=reporters
 logs.exporters=exporters
 function logs.application(t)
+ local arguments=environment and environment.arguments
+ if arguments then
+  local ansi=arguments.ansi or arguments.ansilog
+  if ansi then
+   logs.setformatters(arguments.ansi and "ansi" or "ansilog")
+  end
+ end
  t.name=t.name   or "unknown"
  t.banner=t.banner
  t.moreinfo=moreinfo
@@ -13553,8 +13864,6 @@ else
   print(format(...))
  end
 end
-io.stdout:setvbuf('no')
-io.stderr:setvbuf('no')
 if package.helpers.report then
  package.helpers.report=logs.reporter("package loader") 
 end
@@ -13652,7 +13961,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["trac-inf"] = package.loaded["trac-inf"] or true
 
--- original size: 8966, stripped down to: 5972
+-- original size: 9973, stripped down to: 7492
 
 if not modules then modules={} end modules ['trac-inf']={
  version=1.001,
@@ -13674,7 +13983,7 @@ statistics.enable=true
 statistics.threshold=0.01
 local statusinfo,n,registered,timers={},0,{},{}
 setmetatableindex(timers,function(t,k)
- local v={ timing=0,loadtime=0 }
+ local v={ timing=0,loadtime=0,offset=0 }
  t[k]=v
  return v
 end)
@@ -13682,10 +13991,40 @@ local function hastiming(instance)
  return instance and timers[instance]
 end
 local function resettiming(instance)
- timers[instance or "notimer"]={ timing=0,loadtime=0 }
+ timers[instance or "notimer"]={ timing=0,loadtime=0,offset=0 }
 end
 local ticks=clock
 local seconds=function(n) return n or 0 end
+if lua.getpreciseticks then
+ ticks=lua.getpreciseticks
+ seconds=lua.getpreciseseconds
+elseif FFISUPPORTED and ffi and os.type=="windows" then
+ local okay,kernel=pcall(ffi.load,"kernel32")
+ if kernel then
+  local tonumber=ffi.number or tonumber
+  ffi.cdef[[
+            int QueryPerformanceFrequency(int64_t *lpFrequency);
+            int QueryPerformanceCounter(int64_t *lpPerformanceCount);
+        ]]
+  local target=ffi.new("__int64[1]")
+  ticks=function()
+   if kernel.QueryPerformanceCounter(target)==1 then
+    return tonumber(target[0])
+   else
+    return 0
+   end
+  end
+  local target=ffi.new("__int64[1]")
+  seconds=function(ticks)
+   if kernel.QueryPerformanceFrequency(target)==1 then
+    return ticks/tonumber(target[0])
+   else
+    return 0
+   end
+  end
+ end
+else
+end
 local function starttiming(instance,reset)
  local timer=timers[instance or "notimer"]
  local it=timer.timing
@@ -13720,12 +14059,26 @@ local function stoptiming(instance)
  end
  return 0
 end
+local function benchmarktimer(instance)
+ local timer=timers[instance or "notimer"]
+ local it=timer.timing
+ if it>1 then
+  timer.timing=it-1
+ else
+  local starttime=timer.starttime
+  if starttime and starttime>0 then
+   timer.offset=ticks()-starttime
+  else
+   timer.offset=0
+  end
+ end
+end
 local function elapsed(instance)
  if type(instance)=="number" then
   return instance
  else
   local timer=timers[instance or "notimer"]
-  return timer and seconds(timer.loadtime) or 0
+  return timer and seconds(timer.loadtime-2*(timer.offset or 0)) or 0
  end
 end
 local function currenttime(instance)
@@ -13738,7 +14091,7 @@ local function currenttime(instance)
   else
    local starttime=timer.starttime
    if starttime and starttime>0 then
-    return seconds(timer.loadtime+ticks()-starttime)
+    return seconds(timer.loadtime+ticks()-starttime-2*(timer.offset or 0))
    end
   end
   return 0
@@ -13764,6 +14117,7 @@ statistics.elapsed=elapsed
 statistics.elapsedtime=elapsedtime
 statistics.elapsedindeed=elapsedindeed
 statistics.elapsedseconds=elapsedseconds
+statistics.benchmarktimer=benchmarktimer
 function statistics.register(tag,fnc)
  if statistics.enable and type(fnc)=="function" then
   local rt=registered[tag] or (#statusinfo+1)
@@ -13780,10 +14134,17 @@ function statistics.show()
    return format("%s, type: %s, binary subtree: %s",
     os.platform or "unknown",os.type or "unknown",environment.texos or "unknown")
   end)
-  register("used engine",function()
-   return format("%s version %s with functionality level %s, banner: %s",
-    LUATEXENGINE,LUATEXVERSION,LUATEXFUNCTIONALITY,lower(status.banner))
-  end)
+  if LUATEXENGINE=="luametatex" then
+   register("used engine",function()
+    return format("%s version %s, functionality level %s, format id %s",
+     LUATEXENGINE,LUATEXVERSION,LUATEXFUNCTIONALITY,LUATEXFORMATID)
+   end)
+  else
+   register("used engine",function()
+    return format("%s version %s with functionality level %s, banner: %s",
+     LUATEXENGINE,LUATEXVERSION,LUATEXFUNCTIONALITY,lower(status.banner))
+   end)
+  end
   register("control sequences",function()
    return format("%s of %s + %s",status.cs_count,status.hash_size,status.hash_extra)
   end)
@@ -13822,7 +14183,11 @@ function statistics.show()
 end
 function statistics.memused() 
  local round=math.round or math.floor
- return format("%s MB (ctx: %s MB)",round(collectgarbage("count")/1000),round(status.luastate_bytes/1000000))
+ return format("%s MB, ctx: %s MB, max: %s MB)",
+  round(collectgarbage("count")/1000),
+  round(status.luastate_bytes/1000000),
+  status.luastate_bytes_max and round(status.luastate_bytes_max/1000000) or "unknown"
+ )
 end
 starttiming(statistics)
 function statistics.formatruntime(runtime) 
@@ -14013,7 +14378,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["util-lua"] = package.loaded["util-lua"] or true
 
--- original size: 6664, stripped down to: 4589
+-- original size: 7149, stripped down to: 4997
 
 if not modules then modules={} end modules ['util-lua']={
  version=1.001,
@@ -14038,16 +14403,21 @@ luautilities.nofstrippedchunks=0
 luautilities.nofstrippedbytes=0
 local strippedchunks={} 
 luautilities.strippedchunks=strippedchunks
+if not LUATEXENGINE then
+ LUATEXENGINE=status.luatex_engine and string.lower(status.luatex_engine)
+ JITSUPPORTED=LUATEXENGINE=="luajittex" or jit
+ CONTEXTLMTXMODE=CONTEXTLMTXMODE or (LUATEXENGINE=="luametatex" and 1) or 0
+end
 luautilities.suffixes={
  tma="tma",
- tmc=jit and "tmb" or "tmc",
+ tmc=(CONTEXTLMTXMODE and CONTEXTLMTXMODE>0 and "tmd") or (jit and "tmb") or "tmc",
  lua="lua",
- luc=jit and "lub" or "luc",
+ luc=(CONTEXTLMTXMODE and CONTEXTLMTXMODE>0 and "lud") or (jit and "lub") or "luc",
  lui="lui",
  luv="luv",
  luj="luj",
  tua="tua",
- tuc="tuc",
+ tuc=(CONTEXTLMTXMODE and CONTEXTLMTXMODE>0 and "tud") or (jit and "tub") or "tuc",
 }
 local function register(name) 
  if tracestripping then
@@ -14186,7 +14556,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["util-deb"] = package.loaded["util-deb"] or true
 
--- original size: 9955, stripped down to: 6693
+-- original size: 10136, stripped down to: 6832
 
 if not modules then modules={} end modules ['util-deb']={
  version=1.001,
@@ -14210,7 +14580,13 @@ local dummycalls=10*1000
 local nesting=0
 local names={}
 local initialize=false
-if not (FFISUPPORTED and ffi) then
+if lua.getpreciseticks then
+ initialize=function()
+  ticks=lua.getpreciseticks
+  seconds=lua.getpreciseseconds
+  initialize=false
+ end
+elseif not (FFISUPPORTED and ffi) then
 elseif os.type=="windows" then
  initialize=function()
   local kernel=ffilib("kernel32","system") 
@@ -14482,7 +14858,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["util-tpl"] = package.loaded["util-tpl"] or true
 
--- original size: 7112, stripped down to: 3887
+-- original size: 7722, stripped down to: 4212
 
 if not modules then modules={} end modules ['util-tpl']={
  version=1.001,
@@ -14498,6 +14874,7 @@ local report_template=logs.reporter("template")
 local tostring,next=tostring,next
 local format,sub,byte=string.format,string.sub,string.byte
 local P,C,R,Cs,Cc,Carg,lpegmatch,lpegpatterns=lpeg.P,lpeg.C,lpeg.R,lpeg.Cs,lpeg.Cc,lpeg.Carg,lpeg.match,lpeg.patterns
+local formatters=string.formatters
 local replacer
 local function replacekey(k,t,how,recursive)
  local v=t[k]
@@ -14566,6 +14943,10 @@ local function replaceoptional(l,m,r,t,how,recurse)
  local v=t[l]
  return v and v~="" and lpegmatch(replacer,r,1,t,how or "lua",recurse or false) or ""
 end
+local function replaceformatted(l,m,r,t,how,recurse)
+ local v=t[r]
+ return v and formatters[l](v)
+end
 local single=P("%")  
 local double=P("%%") 
 local lquoted=P("%[") 
@@ -14579,16 +14960,19 @@ local nolquoted=lquoted/''
 local norquoted=rquoted/''
 local nolquotedq=lquotedq/''
 local norquotedq=rquotedq/''
+local nolformatted=P(":")/"%%"
+local norformatted=P(":")/""
 local noloptional=P("%?")/''
 local noroptional=P("?%")/''
 local nomoptional=P(":")/''
 local args=Carg(1)*Carg(2)*Carg(3)
-local key=nosingle*((C((1-nosingle   )^1)*args)/replacekey  )*nosingle
-local quoted=nolquotedq*((C((1-norquotedq )^1)*args)/replacekeyquoted  )*norquotedq
-local unquoted=nolquoted*((C((1-norquoted  )^1)*args)/replacekeyunquoted)*norquoted
+local key=nosingle*((C((1-nosingle)^1)*args)/replacekey)*nosingle
+local quoted=nolquotedq*((C((1-norquotedq)^1)*args)/replacekeyquoted)*norquotedq
+local unquoted=nolquoted*((C((1-norquoted)^1)*args)/replacekeyunquoted)*norquoted
 local optional=noloptional*((C((1-nomoptional)^1)*nomoptional*C((1-noroptional)^1)*args)/replaceoptional)*noroptional
+local formatted=nosingle*((Cs(nolformatted*(1-norformatted )^1)*norformatted*C((1-nosingle)^1)*args)/replaceformatted)*nosingle
 local any=P(1)
-   replacer=Cs((unquoted+quoted+escape+optional+key+any)^0)
+   replacer=Cs((unquoted+quoted+formatted+escape+optional+key+any)^0)
 local function replace(str,mapping,how,recurse)
  if mapping and str then
   return lpegmatch(replacer,str,1,mapping,how or "lua",recurse or false) or str
@@ -14627,7 +15011,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["util-sbx"] = package.loaded["util-sbx"] or true
 
--- original size: 20393, stripped down to: 13121
+-- original size: 21084, stripped down to: 13214
 
 if not modules then modules={} end modules ['util-sbx']={
  version=1.001,
@@ -14873,37 +15257,50 @@ local iopopen=sandbox.original(io.popen)
 local reported={}
 local function validcommand(name,program,template,checkers,defaults,variables,reporter,strict)
  if validbinaries~=false and (validbinaries==true or validbinaries[program]) then
+  local binpath=nil
   if variables then
    for variable,value in next,variables do
-    local checker=validators[checkers[variable]]
-    if checker then
-     value=checker(unquoted(value),strict)
-     if value then
-      variables[variable]=optionalquoted(value)
+    local chktype=checkers[variable]
+    if chktype=="verbose" then
+    else
+     local checker=validators[chktype]
+     if checker then
+      value=checker(unquoted(value),strict)
+      if value then
+       variables[variable]=optionalquoted(value)
+      else
+       report("variable %a with value %a fails the check",variable,value)
+       return
+      end
      else
-      report("variable %a with value %a fails the check",variable,value)
+      report("variable %a has no checker",variable)
       return
      end
-    else
-     report("variable %a has no checker",variable)
-     return
     end
    end
    for variable,default in next,defaults do
     local value=variables[variable]
     if not value or value=="" then
-     local checker=validators[checkers[variable]]
-     if checker then
-      default=checker(unquoted(default),strict)
-      if default then
-       variables[variable]=optionalquoted(default)
-      else
-       report("variable %a with default %a fails the check",variable,default)
-       return
+     local chktype=checkers[variable]
+     if chktype=="verbose" then
+     else
+      local checker=validators[chktype]
+      if checker then
+       default=checker(unquoted(default),strict)
+       if default then
+        variables[variable]=optionalquoted(default)
+       else
+        report("variable %a with default %a fails the check",variable,default)
+        return
+       end
       end
      end
     end
    end
+   binpath=variables.binarypath
+  end
+  if type(binpath)=="string" and binpath~="" then
+   program=binpath.."/"..program
   end
   local command=program.." "..replace(template,variables)
   if reporter then
@@ -14938,7 +15335,8 @@ local runners={
    if trace then
     report("execute: %s",command)
    end
-   return osexecute(command)
+   local okay=osexecute(command)
+   return okay
   end
  end,
  pipeto=function(...)
@@ -14972,7 +15370,7 @@ function sandbox.registerrunner(specification)
   return
  end
  if validrunners[name] then
-  report("invalid name, runner %a already defined")
+  report("invalid name, runner %a already defined",name)
   return
  end
  local program=specification.program
@@ -15090,8 +15488,8 @@ if io then
 end
 if os then
  overload(os.execute,binaryrunner,"os.execute")
- overload(os.spawn,dummyrunner,"os.spawn")
- overload(os.exec,dummyrunner,"os.exec")
+ overload(os.spawn,dummyrunner,"os.spawn") 
+ overload(os.exec,dummyrunner,"os.exec")  
  overload(os.resultof,binaryrunner,"os.resultof")
  overload(os.pipeto,binaryrunner,"os.pipeto")
  overload(os.rename,filehandlertwo,"os.rename")
@@ -15116,13 +15514,6 @@ end
 if zip then
  zip.open=register(zip.open,filehandlerone,"zip.open")
 end
-if fontloader then
- fontloader.open=register(fontloader.open,filehandlerone,"fontloader.open")
- fontloader.info=register(fontloader.info,filehandlerone,"fontloader.info")
-end
-if epdf then
- epdf.open=register(epdf.open,filehandlerone,"epdf.open")
-end
 sandbox.registerroot=registerroot
 sandbox.registerbinary=registerbinary
 sandbox.registerlibrary=registerlibrary
@@ -15528,7 +15919,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["luat-env"] = package.loaded["luat-env"] or true
 
--- original size: 6134, stripped down to: 4118
+-- original size: 6551, stripped down to: 4315
 
  if not modules then modules={} end modules ['luat-env']={
  version=1.001,
@@ -15537,7 +15928,7 @@ package.loaded["luat-env"] = package.loaded["luat-env"] or true
  copyright="PRAGMA ADE / ConTeXt Development Team",
  license="see context related readme files"
 }
-local rawset,rawget,loadfile=rawset,rawget,loadfile
+local rawset,loadfile=rawset,loadfile
 local gsub=string.gsub
 local trace_locating=false  trackers.register("resolvers.locating",function(v) trace_locating=v end)
 local report_lua=logs.reporter("resolvers","lua")
@@ -15584,6 +15975,12 @@ function environment.texfile(filename)
  return resolvers.findfile(filename,'tex')
 end
 function environment.luafile(filename) 
+ if CONTEXTLMTXMODE and CONTEXTLMTXMODE>0 and file.suffix(filename)=="lua" then
+  local resolved=resolvers.findfile(file.replacesuffix(filename,"lmt")) or ""
+  if resolved~="" then
+   return resolved
+  end
+ end
  local resolved=resolvers.findfile(filename,'tex') or ""
  if resolved~="" then
   return resolved
@@ -15695,7 +16092,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["util-zip"] = package.loaded["util-zip"] or true
 
--- original size: 18645, stripped down to: 11291
+-- original size: 19496, stripped down to: 10858
 
 if not modules then modules={} end modules ['util-zip']={
  version=1.001,
@@ -15706,7 +16103,7 @@ if not modules then modules={} end modules ['util-zip']={
 local type,tostring,tonumber=type,tostring,tonumber
 local sort=table.sort
 local find,format,sub,gsub=string.find,string.format,string.sub,string.gsub
-local osdate,ostime=os.date,os.time
+local osdate,ostime,osclock=os.date,os.time,os.clock
 local ioopen=io.open
 local loaddata,savedata=io.loaddata,io.savedata
 local filejoin,isdir,dirname,mkdirs=file.join,lfs.isdir,file.dirname,dir.mkdirs
@@ -15721,25 +16118,19 @@ local getposition=files.getposition
 local band=bit32.band
 local rshift=bit32.rshift
 local lshift=bit32.lshift
-local decompress,calculatecrc
-if flate then
- decompress=flate.flate_decompress
- calculatecrc=flate.update_crc32
-else
+local decompress,expandsize,calculatecrc
  local zlibdecompress=zlib.decompress
+ local zlibexpandsize=zlib.expandsize
  local zlibchecksum=zlib.crc32
- decompress=function(source,targetsize)
-  local target=zlibdecompress(source,-15)
-  if target then
-   return target
-  else
-   return false,1
-  end
+ decompress=function(source)
+  return zlibdecompress(source,-15) 
  end
+ expandsize=zlibexpandsize and function(source,targetsize)
+  return zlibexpandsize(source,targetsize,-15) 
+ end or decompress
  calculatecrc=function(buffer,initial)
   return zlibchecksum(initial or 0,buffer)
  end
-end
 local zipfiles={}
 utilities.zipfiles=zipfiles
 local openzipfile,closezipfile,unzipfile,foundzipfile,getziphash,getziplist  do
@@ -15864,7 +16255,11 @@ local openzipfile,closezipfile,unzipfile,foundzipfile,getziphash,getziplist  do
     setposition(handle,position)
     local result=readstring(handle,compressed)
     if data.method==8 then
-     result=decompress(result,data.uncompressed)
+     if expandsize then
+      result=expandsize(result,data.uncompressed)
+     else
+      result=decompress(result)
+     end
     end
     if check and data.crc32~=calculatecrc(result) then
      print("checksum mismatch")
@@ -15883,14 +16278,14 @@ local openzipfile,closezipfile,unzipfile,foundzipfile,getziphash,getziplist  do
  zipfiles.list=getziplist
  zipfiles.found=foundzipfile
 end
-if flate then do
+if xzip then 
  local writecardinal1=files.writebyte
  local writecardinal2=files.writecardinal2le
  local writecardinal4=files.writecardinal4le
  local logwriter=logs.writer
  local globpattern=dir.globpattern
- local compress=flate.flate_compress
- local checksum=flate.update_crc32
+ local compress=xzip.compress
+ local checksum=xzip.crc32
  local function fromdostime(dostime,dosdate)
   return ostime {
    year=rshift(dosdate,9)+1980,
@@ -16087,27 +16482,33 @@ if flate then do
     local count=#list
     local step=number.idiv(count,10)
     local done=0
+    local steps=verbose=="steps"
+    local time=steps and osclock()
     for i=1,count do
      local l=list[i]
      local n=l.filename
      local d=unzipfile(z,n) 
-     local p=filejoin(path,n)
-     if mkdirs(dirname(p)) then
-      if verbose=="steps" then
-       total=total+#d
-       done=done+1
-       if done>=step then
-        done=0
-        logwriter(format("%4i files of %4i done, %10i bytes",i,count,total))
+     if d then
+      local p=filejoin(path,n)
+      if mkdirs(dirname(p)) then
+       if steps then
+        total=total+#d
+        done=done+1
+        if done>=step then
+         done=0
+         logwriter(format("%4i files of %4i done, %10i bytes, %0.3f seconds",i,count,total,osclock()-time))
+        end
+       elseif verbose then
+        logwriter(n)
        end
-      elseif verbose then
-       logwriter(n)
+       savedata(p,d)
       end
-      savedata(p,d)
+     else
+      logwriter(format("problem with file %s",n))
      end
     end
-    if verbose=="steps" then
-     logwriter(format("%4i files of %4i done, %10i bytes",count,count,total))
+    if steps then
+     logwriter(format("%4i files of %4i done, %10i bytes, %0.3f seconds",count,count,total,osclock()-time))
     end
     closezipfile(z)
     return true
@@ -16118,37 +16519,8 @@ if flate then do
  end
  zipfiles.zipdir=zipdir
  zipfiles.unzipdir=unzipdir
-end end
-if flate then
- local streams=utilities.streams
- local openfile=streams.open
- local closestream=streams.close
- local setposition=streams.setposition
- local getsize=streams.size
- local readcardinal4=streams.readcardinal4le
- local getstring=streams.getstring
- local decompress=flate.gz_decompress
- function zipfiles.gunzipfile(filename)
-  local strm=openfile(filename)
-  if strm then
-   setposition(strm,getsize(strm)-4+1)
-   local size=readcardinal4(strm)
-   local data=decompress(getstring(strm),size)
-   closestream(strm)
-   return data
-  end
- end
-elseif gzip then
- local openfile=gzip.open
- function zipfiles.gunzipfile(filename)
-  local g=openfile(filename,"rb")
-  if g then
-   local d=g:read("*a")
-   d:close()
-   return d
-  end
- end
 end
+zipfiles.gunzipfile=gzip.load
 
 
 end -- of closure
@@ -16157,7 +16529,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["lxml-tab"] = package.loaded["lxml-tab"] or true
 
--- original size: 60383, stripped down to: 35698
+-- original size: 61191, stripped down to: 35864
 
 if not modules then modules={} end modules ['lxml-tab']={
  version=1.001,
@@ -16881,7 +17253,10 @@ local slash=P('/')
 local colon=P(':')
 local semicolon=P(';')
 local ampersand=P('&')
-local valid=R('az','AZ','09')+S('_-.')
+local valid_0=R("\128\255") 
+local valid_1=R('az','AZ')+S('_')+valid_0
+local valid_2=valid_1+R('09')+S('-.')
+local valid=valid_1*valid_2^0
 local name_yes=C(valid^1)*colon*C(valid^1)
 local name_nop=C(P(true))*C(valid^1)
 local name=name_yes+name_nop
@@ -16917,8 +17292,9 @@ end
 local function entityfile(pattern,k,v,n)
  if n then
   local okay,data
-  if resolvers then
-   okay,data=resolvers.loadbinfile(n)
+  local loadbinfile=resolvers and resolvers.loadbinfile
+  if loadbinfile then
+   okay,data=loadbinfile(n)
   else
    data=io.loaddata(n)
    okay=data and data~=""
@@ -17027,12 +17403,14 @@ publicentityfile+publicdoctype+systemdoctype+definitiondoctype+simpledoctype)*op
  }
  return grammar_parsed_text_one,grammar_parsed_text_two,grammar_unparsed_text
 end
-grammar_parsed_text_one_nop,
-grammar_parsed_text_two_nop,
-grammar_unparsed_text_nop=install(space,spacing,anything)
-grammar_parsed_text_one_yes,
-grammar_parsed_text_two_yes,
-grammar_unparsed_text_yes=install(space_nl,spacing_nl,anything_nl)
+local
+ grammar_parsed_text_one_nop,
+ grammar_parsed_text_two_nop,
+ grammar_unparsed_text_nop=install(space,spacing,anything)
+local
+ grammar_parsed_text_one_yes,
+ grammar_parsed_text_two_yes,
+ grammar_unparsed_text_yes=install(space_nl,spacing_nl,anything_nl)
 local function _xmlconvert_(data,settings,detail)
  settings=settings or {} 
  preparexmlstate(settings)
@@ -17613,7 +17991,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["lxml-lpt"] = package.loaded["lxml-lpt"] or true
 
--- original size: 55145, stripped down to: 30992
+-- original size: 54626, stripped down to: 31255
 
 if not modules then modules={} end modules ['lxml-lpt']={
  version=1.001,
@@ -18095,6 +18473,8 @@ local builtin={
  lastindex="(#ll.__p__.dt or 1)",
  lastelement="(ll.__p__.en or 1)",
  last="#list",
+ list="list",
+ self="ll",
  rootposition="order",
  order="order",
  element="(ll.ei or 1)",
@@ -18203,7 +18583,8 @@ local function register_selector(specification)
 end
 local function register_expression(expression)
  local converted=lpegmatch(converter,expression)
- local runner=load(format(template_e,converted))
+ local wrapped=format(template_e,converted)
+ local runner=load(wrapped)
  runner=(runner and runner()) or function() errorrunner_e(expression,converted) end
  return { kind="expression",expression=expression,converted=converted,evaluator=runner }
 end
@@ -18575,6 +18956,20 @@ expressions.count=function(e,pattern)
  local collected=applylpath(e,pattern) 
  return pattern and (collected and #collected) or 0
 end
+expressions.attribute=function(e,name,value)
+ if type(e)=="table" and name then
+  local a=e.at
+  if a then
+   local v=a[name]
+   if value then
+    return v==value
+   else
+    return v
+   end
+  end
+ end
+ return nil
+end
 expressions.oneof=function(s,...)
  for i=1,select("#",...) do
   if s==select(i,...) then
@@ -18621,7 +19016,7 @@ function expressions.contains(str,pattern)
  end
  return false
 end
-function xml.expressions.idstring(str)
+function expressions.idstring(str)
  return type(str)=="string" and gsub(str,"^#","") or ""
 end
 local function traverse(root,pattern,handle)
@@ -20394,7 +20789,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-ini"] = package.loaded["data-ini"] or true
 
--- original size: 11099, stripped down to: 7152
+-- original size: 11019, stripped down to: 7086
 
 if not modules then modules={} end modules ['data-ini']={
  version=1.001,
@@ -20407,9 +20802,9 @@ local next,type,getmetatable,rawset=next,type,getmetatable,rawset
 local gsub,find,gmatch,char=string.gsub,string.find,string.gmatch,string.char
 local filedirname,filebasename,filejoin=file.dirname,file.basename,file.join
 local ostype,osname,osuname,ossetenv,osgetenv=os.type,os.name,os.uname,os.setenv,os.getenv
+local sortedpairs=table.sortedpairs
 local P,S,R,C,Cs,Cc,lpegmatch=lpeg.P,lpeg.S,lpeg.R,lpeg.C,lpeg.Cs,lpeg.Cc,lpeg.match
 local trace_locating=false  trackers.register("resolvers.locating",function(v) trace_locating=v end)
-local trace_detail=false  trackers.register("resolvers.details",function(v) trace_detail=v end)
 local trace_expansions=false  trackers.register("resolvers.expansions",function(v) trace_expansions=v end)
 local report_initialization=logs.reporter("resolvers","initialization")
 resolvers=resolvers or {}
@@ -20618,7 +21013,7 @@ if ostype=="unix" then
    rawset(t,k,v)
   end
   local colon=P(":")
-  for k,v in table.sortedpairs(prefixes) do
+  for k,v in sortedpairs(prefixes) do
    if p then
     p=P(k)+p
    else
@@ -20645,7 +21040,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-exp"] = package.loaded["data-exp"] or true
 
--- original size: 18154, stripped down to: 10416
+-- original size: 18179, stripped down to: 10432
 
 if not modules then modules={} end modules ['data-exp']={
  version=1.001,
@@ -20929,7 +21324,7 @@ local function scan(files,remap,spec,path,n,m,r,onlyone,tolerant)
  scancache[sub(full,1,-2)]=files
  return files,remap,n,m,r
 end
-function resolvers.scanfiles(path,branch,usecache,onlyonce,tolerant)
+local function scanfiles(path,branch,usecache,onlyonce,tolerant)
  local realpath=resolveprefix(path)
  if usecache then
   local content=fullcache[realpath]
@@ -20984,8 +21379,9 @@ function resolvers.scanfiles(path,branch,usecache,onlyonce,tolerant)
  statistics.stoptiming(timer)
  return content
 end
+resolvers.scanfiles=scanfiles
 function resolvers.simplescanfiles(path,branch,usecache)
- return resolvers.scanfiles(path,branch,usecache,true,true) 
+ return scanfiles(path,branch,usecache,true,true) 
 end
 function resolvers.scandata()
  table.sort(scanned)
@@ -21052,7 +21448,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-env"] = package.loaded["data-env"] or true
 
--- original size: 9360, stripped down to: 6312
+-- original size: 9400, stripped down to: 6347
 
 if not modules then modules={} end modules ['data-env']={
  version=1.001,
@@ -21062,7 +21458,7 @@ if not modules then modules={} end modules ['data-env']={
  license="see context related readme files",
 }
 local lower,gsub=string.lower,string.gsub
-local next=next
+local next,rawget=next,rawget
 local resolvers=resolvers
 local allocate=utilities.storage.allocate
 local setmetatableindex=table.setmetatableindex
@@ -21143,13 +21539,13 @@ local relations=allocate {
   mp={
    names={ "mp" },
    variable='MPINPUTS',
-   suffixes={ 'mp','mpvi','mpiv','mpii' },
+   suffixes={ 'mp','mpvi','mpiv','mpxl','mpii' },
    usertype=true,
   },
   tex={
    names={ "tex" },
    variable='TEXINPUTS',
-   suffixes={ "tex","mkvi","mkiv","mkii","cld","lfg","xml" },
+   suffixes={ "tex","mkiv","mkvi","mkxl","mklx","mkii","cld","lfg","xml" },
    usertype=true,
   },
   icc={
@@ -21337,7 +21733,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-tmp"] = package.loaded["data-tmp"] or true
 
--- original size: 16284, stripped down to: 10938
+-- original size: 16099, stripped down to: 11379
 
 if not modules then modules={} end modules ['data-tmp']={
  version=1.100,
@@ -21346,48 +21742,83 @@ if not modules then modules={} end modules ['data-tmp']={
  copyright="PRAGMA ADE / ConTeXt Development Team",
  license="see context related readme files"
 }
-local format,lower,gsub,concat=string.format,string.lower,string.gsub,table.concat
-local concat=table.concat
-local mkdirs,isdir,isfile=dir.mkdirs,lfs.isdir,lfs.isfile
-local addsuffix,is_writable,is_readable=file.addsuffix,file.is_writable,file.is_readable
-local formatters=string.formatters
 local next,type=next,type
+local pcall,loadfile,collectgarbage=pcall,loadfile,collectgarbage
+local format,lower,gsub=string.format,string.lower,string.gsub
+local concat,serialize,fastserialize,serializetofile=table.concat,table.serialize,table.fastserialize,table.tofile
+local mkdirs,expanddirname,isdir,isfile=dir.mkdirs,dir.expandname,lfs.isdir,lfs.isfile
+local is_writable,is_readable=file.is_writable,file.is_readable
+local collapsepath,joinfile,addsuffix,dirname=file.collapsepath,file.join,file.addsuffix,file.dirname
+local savedata=file.savedata
+local formatters=string.formatters
+local osexit,osdate,osuuid=os.exit,os.date,os.uuid
+local removefile=os.remove
+local md5hex=md5.hex
 local trace_locating=false  trackers.register("resolvers.locating",function(v) trace_locating=v end)
 local trace_cache=false  trackers.register("resolvers.cache",function(v) trace_cache=v end)
 local report_caches=logs.reporter("resolvers","caches")
 local report_resolvers=logs.reporter("resolvers","caching")
 local resolvers=resolvers
 local cleanpath=resolvers.cleanpath
-local directive_cleanup=false  directives.register("system.compile.cleanup",function(v) directive_cleanup=v end)
-local directive_strip=false  directives.register("system.compile.strip",function(v) directive_strip=v end)
-local compile=utilities.lua.compile
-function utilities.lua.compile(luafile,lucfile,cleanup,strip)
- if cleanup==nil then cleanup=directive_cleanup end
- if strip==nil then strip=directive_strip   end
- return compile(luafile,lucfile,cleanup,strip)
+local resolvepath=resolvers.resolve
+local luautilities=utilities.lua
+do
+ local directive_cleanup=false  directives.register("system.compile.cleanup",function(v) directive_cleanup=v end)
+ local directive_strip=false  directives.register("system.compile.strip",function(v) directive_strip=v end)
+ local compilelua=luautilities.compile
+ function luautilities.compile(luafile,lucfile,cleanup,strip)
+  if cleanup==nil then cleanup=directive_cleanup end
+  if strip==nil then strip=directive_strip   end
+  return compilelua(luafile,lucfile,cleanup,strip)
+ end
 end
 caches=caches or {}
 local caches=caches
-local luasuffixes=utilities.lua.suffixes
-caches.base=caches.base or "luatex-cache"
-caches.more=caches.more or "context"
-caches.direct=false 
-caches.tree=false
-caches.force=true
-caches.ask=false
-caches.relocate=false
+local writable=nil
+local readables={}
+local usedreadables={}
+local compilelua=luautilities.compile
+local luasuffixes=luautilities.suffixes
+caches.base=caches.base or "luatex-cache"  
+caches.more=caches.more or "context"    
 caches.defaults={ "TMPDIR","TEMPDIR","TMP","TEMP","HOME","HOMEPATH" }
-directives.register("system.caches.fast",function(v) caches.fast=true end)
-local writable,readables,usedreadables=nil,{},{}
+local direct_cache=false 
+local fast_cache=false
+local cache_tree=false
+directives.register("system.caches.direct",function(v) direct_cache=true end)
+directives.register("system.caches.fast",function(v) fast_cache=true end)
+local function configfiles()
+ return concat(resolvers.configurationfiles(),";")
+end
+local function hashed(tree)
+ tree=gsub(tree,"[\\/]+$","")
+ tree=lower(tree)
+ local hash=md5hex(tree)
+ if trace_cache or trace_locating then
+  report_caches("hashing tree %a, hash %a",tree,hash)
+ end
+ return hash
+end
+local function treehash()
+ local tree=configfiles()
+ if not tree or tree=="" then
+  return false
+ else
+  return hashed(tree)
+ end
+end
+caches.hashed=hashed
+caches.treehash=treehash
+caches.configfiles=configfiles
 local function identify()
  local texmfcaches=resolvers.cleanpathlist("TEXMFCACHE") 
  if texmfcaches then
   for k=1,#texmfcaches do
    local cachepath=texmfcaches[k]
    if cachepath~="" then
-    cachepath=resolvers.resolve(cachepath)
-    cachepath=resolvers.cleanpath(cachepath)
-    cachepath=file.collapsepath(cachepath)
+    cachepath=resolvepath(cachepath)
+    cachepath=cleanpath(cachepath)
+    cachepath=collapsepath(cachepath)
     local valid=isdir(cachepath)
     if valid then
      if is_readable(cachepath) then
@@ -21396,16 +21827,14 @@ local function identify()
        writable=cachepath
       end
      end
-    elseif not writable and caches.force then
-     local cacheparent=file.dirname(cachepath)
-     if is_writable(cacheparent) and true then 
-      if not caches.ask or io.ask(format("\nShould I create the cache path %s?",cachepath),"no",{ "yes","no" })=="yes" then
-       mkdirs(cachepath)
-       if isdir(cachepath) and is_writable(cachepath) then
-        report_caches("path %a created",cachepath)
-        writable=cachepath
-        readables[#readables+1]=cachepath
-       end
+    elseif not writable then
+     local cacheparent=dirname(cachepath)
+     if is_writable(cacheparent) then 
+      mkdirs(cachepath)
+      if isdir(cachepath) and is_writable(cachepath) then
+       report_caches("path %a created",cachepath)
+       writable=cachepath
+       readables[#readables+1]=cachepath
       end
      end
     end
@@ -21418,8 +21847,8 @@ local function identify()
    local cachepath=texmfcaches[k]
    cachepath=resolvers.expansion(cachepath) 
    if cachepath~="" then
-    cachepath=resolvers.resolve(cachepath)
-    cachepath=resolvers.cleanpath(cachepath)
+    cachepath=resolvepath(cachepath)
+    cachepath=cleanpath(cachepath)
     local valid=isdir(cachepath)
     if valid and is_readable(cachepath) then
      if not writable and is_writable(cachepath) then
@@ -21433,23 +21862,25 @@ local function identify()
  end
  if not writable then
   report_caches("fatal error: there is no valid writable cache path defined")
-  os.exit()
+  osexit()
  elseif #readables==0 then
   report_caches("fatal error: there is no valid readable cache path defined")
-  os.exit()
+  osexit()
  end
- writable=dir.expandname(resolvers.cleanpath(writable))
- local base,more,tree=caches.base,caches.more,caches.tree or caches.treehash() 
+ writable=expanddirname(cleanpath(writable))
+ local base=caches.base
+ local more=caches.more
+ local tree=cache_tree or treehash() 
  if tree then
-  caches.tree=tree
+  cache_tree=tree
   writable=mkdirs(writable,base,more,tree)
   for i=1,#readables do
-   readables[i]=file.join(readables[i],base,more,tree)
+   readables[i]=joinfile(readables[i],base,more,tree)
   end
  else
   writable=mkdirs(writable,base,more)
   for i=1,#readables do
-   readables[i]=file.join(readables[i],base,more)
+   readables[i]=joinfile(readables[i],base,more)
   end
  end
  if trace_cache then
@@ -21486,27 +21917,8 @@ function caches.usedpaths(separator)
   return writable or "?"
  end
 end
-function caches.configfiles()
- return concat(resolvers.configurationfiles(),";")
-end
-function caches.hashed(tree)
- tree=gsub(tree,"[\\/]+$","")
- tree=lower(tree)
- local hash=md5.hex(tree)
- if trace_cache or trace_locating then
-  report_caches("hashing tree %a, hash %a",tree,hash)
- end
- return hash
-end
-function caches.treehash()
- local tree=caches.configfiles()
- if not tree or tree=="" then
-  return false
- else
-  return caches.hashed(tree)
- end
-end
-local r_cache,w_cache={},{} 
+local r_cache={}
+local w_cache={}
 local function getreadablepaths(...)
  local tags={... }
  local hash=concat(tags,"/")
@@ -21516,7 +21928,7 @@ local function getreadablepaths(...)
   if #tags>0 then
    done={}
    for i=1,#readables do
-    done[i]=file.join(readables[i],...)
+    done[i]=joinfile(readables[i],...)
    end
   else
    done=readables
@@ -21540,17 +21952,25 @@ local function getwritablepath(...)
  end
  return done
 end
-caches.getreadablepaths=getreadablepaths
-caches.getwritablepath=getwritablepath
-function caches.getfirstreadablefile(filename,...)
- local fullname,path=caches.setfirstwritablefile(filename,...)
+local function setfirstwritablefile(filename,...)
+ local wr=getwritablepath(...)
+ local fullname=joinfile(wr,filename)
+ return fullname,wr
+end
+local function setluanames(path,name)
+ return
+  format("%s/%s.%s",path,name,luasuffixes.tma),
+  format("%s/%s.%s",path,name,luasuffixes.tmc)
+end
+local function getfirstreadablefile(filename,...)
+ local fullname,path=setfirstwritablefile(filename,...)
  if is_readable(fullname) then
   return fullname,path 
  end
  local rd=getreadablepaths(...)
  for i=1,#rd do
   local path=rd[i]
-  local fullname=file.join(path,filename)
+  local fullname=joinfile(path,filename)
   if is_readable(fullname) then
    usedreadables[i]=true
    return fullname,path 
@@ -21558,19 +21978,11 @@ function caches.getfirstreadablefile(filename,...)
  end
  return fullname,path 
 end
-function caches.setfirstwritablefile(filename,...)
- local wr=getwritablepath(...)
- local fullname=file.join(wr,filename)
- return fullname,wr
-end
-function caches.define(category,subcategory) 
- return function()
-  return getwritablepath(category,subcategory)
- end
-end
-function caches.setluanames(path,name)
- return format("%s/%s.%s",path,name,luasuffixes.tma),format("%s/%s.%s",path,name,luasuffixes.tmc)
-end
+caches.getreadablepaths=getreadablepaths
+caches.getwritablepath=getwritablepath
+caches.setfirstwritablefile=setfirstwritablefile
+caches.getfirstreadablefile=getfirstreadablefile
+caches.setluanames=setluanames
 function caches.loaddata(readables,name,writable)
  if type(readables)=="string" then
   readables={ readables }
@@ -21578,21 +21990,22 @@ function caches.loaddata(readables,name,writable)
  for i=1,#readables do
   local path=readables[i]
   local loader=false
-  local tmaname,tmcname=caches.setluanames(path,name)
+  local state=false
+  local tmaname,tmcname=setluanames(path,name)
   if isfile(tmcname) then
-   loader=loadfile(tmcname)
+   state,loader=pcall(loadfile,tmcname)
   end
   if not loader and isfile(tmaname) then
-   local tmacrap,tmcname=caches.setluanames(writable,name)
+   local tmacrap,tmcname=setluanames(writable,name)
    if isfile(tmcname) then
-    loader=loadfile(tmcname)
+    state,loader=pcall(loadfile,tmcname)
    end
-   utilities.lua.compile(tmaname,tmcname)
+   compilelua(tmaname,tmcname)
    if isfile(tmcname) then
-    loader=loadfile(tmcname)
+    state,loader=pcall(loadfile,tmcname)
    end
    if not loader then
-    loader=loadfile(tmaname)
+    state,loader=pcall(loadfile,tmaname)
    end
   end
   if loader then
@@ -21604,21 +22017,21 @@ function caches.loaddata(readables,name,writable)
  return false
 end
 function caches.is_writable(filepath,filename)
- local tmaname,tmcname=caches.setluanames(filepath,filename)
+ local tmaname,tmcname=setluanames(filepath,filename)
  return is_writable(tmaname)
 end
-local saveoptions={ compact=true }
-function caches.savedata(filepath,filename,data,raw)
- local tmaname,tmcname=caches.setluanames(filepath,filename)
- data.cache_uuid=os.uuid()
- if caches.fast then
-  file.savedata(tmaname,table.fastserialize(data,true))
- elseif caches.direct then
-  file.savedata(tmaname,table.serialize(data,true,saveoptions))
+local saveoptions={ compact=true,accurate=not JITSUPPORTED }
+function caches.savedata(filepath,filename,data,fast)
+ local tmaname,tmcname=setluanames(filepath,filename)
+ data.cache_uuid=osuuid()
+ if fast or fast_cache then
+  savedata(tmaname,fastserialize(data,true))
+ elseif direct_cache then
+  savedata(tmaname,serialize(data,true,saveoptions))
  else
-  table.tofile(tmaname,data,true,saveoptions)
+  serializetofile(tmaname,data,true,saveoptions)
  end
- utilities.lua.compile(tmaname,tmcname)
+ compilelua(tmaname,tmcname)
 end
 local content_state={}
 function caches.contentstate()
@@ -21626,11 +22039,14 @@ function caches.contentstate()
 end
 function caches.loadcontent(cachename,dataname,filename)
  if not filename then
-  local name=caches.hashed(cachename)
-  local full,path=caches.getfirstreadablefile(addsuffix(name,luasuffixes.lua),"trees")
-  filename=file.join(path,name)
+  local name=hashed(cachename)
+  local full,path=getfirstreadablefile(addsuffix(name,luasuffixes.lua),"trees")
+  filename=joinfile(path,name)
+ end
+ local state,blob=pcall(loadfile,addsuffix(filename,luasuffixes.luc))
+ if not blob then
+  state,blob=pcall(loadfile,addsuffix(filename,luasuffixes.lua))
  end
- local blob=loadfile(addsuffix(filename,luasuffixes.luc)) or loadfile(addsuffix(filename,luasuffixes.lua))
  if blob then
   local data=blob()
   if data and data.content then
@@ -21663,9 +22079,9 @@ function caches.collapsecontent(content)
 end
 function caches.savecontent(cachename,dataname,content,filename)
  if not filename then
-  local name=caches.hashed(cachename)
-  local full,path=caches.setfirstwritablefile(addsuffix(name,luasuffixes.lua),"trees")
-  filename=file.join(path,name) 
+  local name=hashed(cachename)
+  local full,path=setfirstwritablefile(addsuffix(name,luasuffixes.lua),"trees")
+  filename=joinfile(path,name) 
  end
  local luaname=addsuffix(filename,luasuffixes.lua)
  local lucname=addsuffix(filename,luasuffixes.luc)
@@ -21676,17 +22092,17 @@ function caches.savecontent(cachename,dataname,content,filename)
   type=dataname,
   root=cachename,
   version=resolvers.cacheversion,
-  date=os.date("%Y-%m-%d"),
-  time=os.date("%H:%M:%S"),
+  date=osdate("%Y-%m-%d"),
+  time=osdate("%H:%M:%S"),
   content=content,
-  uuid=os.uuid(),
+  uuid=osuuid(),
  }
- local ok=io.savedata(luaname,table.serialize(data,true))
+ local ok=savedata(luaname,serialize(data,true))
  if ok then
   if trace_locating then
    report_resolvers("category %a, cachename %a saved in %a",dataname,cachename,luaname)
   end
-  if utilities.lua.compile(luaname,lucname) then
+  if compilelua(luaname,lucname) then
    if trace_locating then
     report_resolvers("%a compiled to %a",dataname,lucname)
    end
@@ -21695,7 +22111,7 @@ function caches.savecontent(cachename,dataname,content,filename)
    if trace_locating then
     report_resolvers("compiling failed for %a, deleting file %a",dataname,lucname)
    end
-   os.remove(lucname)
+   removefile(lucname)
   end
  elseif trace_locating then
   report_resolvers("unable to save %a in %a (access error)",dataname,luaname)
@@ -21709,7 +22125,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-met"] = package.loaded["data-met"] or true
 
--- original size: 5310, stripped down to: 3784
+-- original size: 5518, stripped down to: 3854
 
 if not modules then modules={} end modules ['data-met']={
  version=1.100,
@@ -21718,31 +22134,45 @@ if not modules then modules={} end modules ['data-met']={
  copyright="PRAGMA ADE / ConTeXt Development Team",
  license="see context related readme files"
 }
-local find,format=string.find,string.format
-local sequenced=table.sequenced
+local type=type
+local find=string.find
 local addurlscheme,urlhashed=url.addscheme,url.hashed
+local collapsepath,joinfile=file.collapsepath,file.join
+local report_methods=logs.reporter("resolvers","methods")
 local trace_locating=false
 local trace_methods=false
 trackers.register("resolvers.locating",function(v) trace_methods=v end)
 trackers.register("resolvers.methods",function(v) trace_methods=v end)
-local report_methods=logs.reporter("resolvers","methods")
 local allocate=utilities.storage.allocate
 local resolvers=resolvers
 local registered={}
 local function splitmethod(filename) 
  if not filename then
-  return { scheme="unknown",original=filename }
+  return {
+   scheme="unknown",
+   original=filename,
+  }
  end
  if type(filename)=="table" then
   return filename 
  end
- filename=file.collapsepath(filename,".") 
+ filename=collapsepath(filename,".") 
  if not find(filename,"://",1,true) then
-  return { scheme="file",path=filename,original=filename,filename=filename }
+  return {
+   scheme="file",
+   path=filename,
+   original=filename,
+   filename=filename,
+  }
  end
- local specification=url.hashed(filename)
+ local specification=urlhashed(filename)
  if not specification.scheme or specification.scheme=="" then
-  return { scheme="file",path=filename,original=filename,filename=filename }
+  return {
+   scheme="file",
+   path=filename,
+   original=filename,
+   filename=filename,
+  }
  else
   return specification
  end
@@ -21751,7 +22181,8 @@ resolvers.splitmethod=splitmethod
 local function methodhandler(what,first,...) 
  local method=registered[what]
  if method then
-  local how,namespace=method.how,method.namespace
+  local how=method.how
+  local namespace=method.namespace
   if how=="uri" or how=="url" then
    local specification=splitmethod(first)
    local scheme=specification.scheme
@@ -21797,7 +22228,10 @@ local function methodhandler(what,first,...)
 end
 resolvers.methodhandler=methodhandler
 function resolvers.registermethod(name,namespace,how)
- registered[name]={ how=how or "tag",namespace=namespace }
+ registered[name]={
+  how=how or "tag",
+  namespace=namespace
+ }
  namespace["byscheme"]=function(scheme,filename,...)
   if scheme=="file" then
    return methodhandler(name,filename,...)
@@ -21806,7 +22240,7 @@ function resolvers.registermethod(name,namespace,how)
   end
  end
 end
-local concatinators=allocate { notfound=file.join    }  
+local concatinators=allocate { notfound=joinfile  }  
 local locators=allocate { notfound=function() end  }  
 local hashers=allocate { notfound=function() end  }  
 local generators=allocate { notfound=function() end  }  
@@ -21827,7 +22261,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-res"] = package.loaded["data-res"] or true
 
--- original size: 68195, stripped down to: 43680
+-- original size: 69576, stripped down to: 44470
 
 if not modules then modules={} end modules ['data-res']={
  version=1.001,
@@ -21838,7 +22272,8 @@ if not modules then modules={} end modules ['data-res']={
 }
 local gsub,find,lower,upper,match,gmatch=string.gsub,string.find,string.lower,string.upper,string.match,string.gmatch
 local concat,insert,remove=table.concat,table.insert,table.remove
-local next,type,rawget=next,type,rawget
+local next,type,rawget,loadfile=next,type,rawget,loadfile
+local mergedtable=table.merged
 local os=os
 local P,S,R,C,Cc,Cs,Ct,Carg=lpeg.P,lpeg.S,lpeg.R,lpeg.C,lpeg.Cc,lpeg.Cs,lpeg.Ct,lpeg.Carg
 local lpegmatch,lpegpatterns=lpeg.match,lpeg.patterns
@@ -21854,13 +22289,14 @@ local joinpath=file.joinpath
 local is_qualified_path=file.is_qualified_path
 local allocate=utilities.storage.allocate
 local settings_to_array=utilities.parsers.settings_to_array
+local urlhasscheme=url.hasscheme
 local getcurrentdir=lfs.currentdir
 local isfile=lfs.isfile
 local isdir=lfs.isdir
 local setmetatableindex=table.setmetatableindex
 local luasuffixes=utilities.lua.suffixes
 local trace_locating=false  trackers  .register("resolvers.locating",function(v) trace_locating=v end)
-local trace_detail=false  trackers  .register("resolvers.details",function(v) trace_detail=v end)
+local trace_details=false  trackers  .register("resolvers.details",function(v) trace_details=v end)
 local trace_expansions=false  trackers  .register("resolvers.expansions",function(v) trace_expansions=v end)
 local trace_paths=false  trackers  .register("resolvers.paths",function(v) trace_paths=v end)
 local resolve_otherwise=true   directives.register("resolvers.otherwise",function(v) resolve_otherwise=v end)
@@ -21879,10 +22315,17 @@ local ostype,osname,osenv,ossetenv,osgetenv=os.type,os.name,os.env,os.setenv,os.
 resolvers.cacheversion="1.100"
 resolvers.configbanner=""
 resolvers.homedir=environment.homedir
-resolvers.criticalvars=allocate { "SELFAUTOLOC","SELFAUTODIR","SELFAUTOPARENT","TEXMFCNF","TEXMF","TEXOS" }
 resolvers.luacnfname="texmfcnf.lua"
 resolvers.luacnffallback="contextcnf.lua"
 resolvers.luacnfstate="unknown"
+local criticalvars={
+ "SELFAUTOLOC",
+ "SELFAUTODIR",
+ "SELFAUTOPARENT",
+ "TEXMFCNF",
+ "TEXMF",
+ "TEXOS",
+}
 if environment.default_texmfcnf then
  resolvers.luacnfspec="home:texmf/web2c;"..environment.default_texmfcnf 
 else
@@ -21902,13 +22345,20 @@ local dangerous=resolvers.dangerous
 local suffixmap=resolvers.suffixmap
 resolvers.defaultsuffixes={ "tex" } 
 local instance=nil
-function resolvers.setenv(key,value,raw)
+local variable
+local expansion
+local setenv
+local getenv
+local formatofsuffix=resolvers.formatofsuffix
+local splitpath=resolvers.splitpath
+local splitmethod=resolvers.splitmethod
+setenv=function(key,value,raw)
  if instance then
   instance.environment[key]=value
   ossetenv(key,raw and value or resolveprefix(value))
  end
 end
-local function getenv(key)
+getenv=function(key)
  local value=rawget(instance.environment,key)
  if value and value~="" then
   return value
@@ -21918,94 +22368,97 @@ local function getenv(key)
  end
 end
 resolvers.getenv=getenv
-resolvers.env=getenv
-local function resolvevariable(k)
- return instance.expansions[k]
-end
+resolvers.setenv=setenv
 local dollarstripper=lpeg.stripper("$")
 local inhibitstripper=P("!")^0*Cs(P(1)^0)
-local somevariable=P("$")/""
-local somekey=C(R("az","AZ","09","__","--")^1)
-local somethingelse=P(";")*((1-S("!{}/\\"))^1*P(";")/"")+P(";")*(P(";")/"")+P(1)
-local variableexpander=Cs((somevariable*(somekey/resolvevariable)+somethingelse)^1 )
-local cleaner=P("\\")/"/"+P(";")*S("!{}/\\")^0*P(";")^1/";"
-local variablecleaner=Cs((cleaner+P(1))^0)
-local somevariable=R("az","AZ","09","__","--")^1/resolvevariable
-local variable=(P("$")/"")*(somevariable+(P("{")/"")*somevariable*(P("}")/""))
-local variableresolver=Cs((variable+P(1))^0)
-local function expandedvariable(var)
- return lpegmatch(variableexpander,var) or var
-end
-function resolvers.reset()
- if trace_locating then
-  report_resolving("creating instance")
- end
- local environment={}
- local variables={}
- local expansions={}
- local order={}
- instance={
-  environment=environment,
-  variables=variables,
-  expansions=expansions,
-  order=order,
-  files={},
-  setups={},
-  found={},
-  foundintrees={},
-  hashes={},
-  hashed={},
-  pathlists=false,
-  specification={},
-  lists={},
-  data={},
-  fakepaths={},
-  remember=true,
-  diskcache=true,
-  renewcache=false,
-  renewtree=false,
-  loaderror=false,
-  savelists=true,
-  pattern=nil,
-  force_suffixes=true,
-  pathstack={},
- }
- setmetatableindex(variables,function(t,k)
-  local v
-  for i=1,#order do
-   v=order[i][k]
+local expandedvariable,resolvedvariable  do
+ local function resolveinstancevariable(k)
+  return instance.expansions[k]
+ end
+ local p_variable=P("$")/""
+ local p_key=C(R("az","AZ","09","__","--")^1)
+ local p_whatever=P(";")*((1-S("!{}/\\"))^1*P(";")/"")+P(";")*(P(";")/"")+P(1)
+ local variableexpander=Cs((p_variable*(p_key/resolveinstancevariable)+p_whatever)^1 )
+ local p_cleaner=P("\\")/"/"+P(";")*S("!{}/\\")^0*P(";")^1/";"
+ local variablecleaner=Cs((p_cleaner+P(1))^0)
+ local p_variable=R("az","AZ","09","__","--")^1/resolveinstancevariable
+ local p_variable=(P("$")/"")*(p_variable+(P("{")/"")*p_variable*(P("}")/""))
+ local variableresolver=Cs((p_variable+P(1))^0)
+ expandedvariable=function(var)
+  return lpegmatch(variableexpander,var) or var
+ end
+ function resolvers.reset()
+  if trace_locating then
+   report_resolving("creating instance")
+  end
+  local environment={}
+  local variables={}
+  local expansions={}
+  local order={}
+  instance={
+   environment=environment,
+   variables=variables,
+   expansions=expansions,
+   order=order,
+   files={},
+   setups={},
+   found={},
+   foundintrees={},
+   hashes={},
+   hashed={},
+   pathlists=false,
+   specification={},
+   lists={},
+   data={},
+   fakepaths={},
+   remember=true,
+   diskcache=true,
+   renewcache=false,
+   renewtree=false,
+   loaderror=false,
+   savelists=true,
+   pattern=nil,
+   force_suffixes=true,
+   pathstack={},
+  }
+  setmetatableindex(variables,function(t,k)
+   local v
+   for i=1,#order do
+    v=order[i][k]
+    if v~=nil then
+     t[k]=v
+     return v
+    end
+   end
+   if v==nil then
+    v=""
+   end
+   t[k]=v
+   return v
+  end)
+  local repath=resolvers.repath
+  setmetatableindex(environment,function(t,k)
+   local v=osgetenv(k)
+   if v==nil then
+    v=variables[k]
+   end
    if v~=nil then
-    t[k]=v
-    return v
+    v=checkedvariable(v) or ""
    end
-  end
-  if v==nil then
-   v=""
-  end
-  t[k]=v
-  return v
- end)
- setmetatableindex(environment,function(t,k)
-  local v=osgetenv(k)
-  if v==nil then
-   v=variables[k]
-  end
-  if v~=nil then
-   v=checkedvariable(v) or ""
-  end
-  v=resolvers.repath(v) 
-  t[k]=v
-  return v
- end)
- setmetatableindex(expansions,function(t,k)
-  local v=environment[k]
-  if type(v)=="string" then
-   v=lpegmatch(variableresolver,v)
-   v=lpegmatch(variablecleaner,v)
-  end
-  t[k]=v
-  return v
- end)
+   v=repath(v) 
+   t[k]=v
+   return v
+  end)
+  setmetatableindex(expansions,function(t,k)
+   local v=environment[k]
+   if type(v)=="string" then
+    v=lpegmatch(variableresolver,v)
+    v=lpegmatch(variablecleaner,v)
+   end
+   t[k]=v
+   return v
+  end)
+ end
 end
 function resolvers.initialized()
  return instance~=nil
@@ -22019,31 +22472,33 @@ local function reset_caches()
  instance.lists={}
  instance.pathlists=false
 end
-local slash=P("/")
-local pathexpressionpattern=Cs (
- Cc("^")*(
-  Cc("%")*S(".-")+slash^2*P(-1)/"/.*"
+local makepathexpression  do
+ local slash=P("/")
+ local pathexpressionpattern=Cs (
+  Cc("^")*(
+   Cc("%")*S(".-")+slash^2*P(-1)/"/.*"
 +slash^2/"/"+(1-slash)*P(-1)*Cc("/")+P(1)
- )^1*Cc("$") 
-)
-local cache={}
-local function makepathexpression(str)
- if str=="." then
-  return "^%./$"
- else
-  local c=cache[str]
-  if not c then
-   c=lpegmatch(pathexpressionpattern,str)
-   cache[str]=c
+  )^1*Cc("$") 
+ )
+ local cache={}
+ makepathexpression=function(str)
+  if str=="." then
+   return "^%./$"
+  else
+   local c=cache[str]
+   if not c then
+    c=lpegmatch(pathexpressionpattern,str)
+    cache[str]=c
+   end
+   return c
   end
-  return c
  end
 end
 local function reportcriticalvariables(cnfspec)
  if trace_locating then
-  for i=1,#resolvers.criticalvars do
-   local k=resolvers.criticalvars[i]
-   local v=resolvers.getenv(k) or "unknown" 
+  for i=1,#criticalvars do
+   local k=criticalvars[i]
+   local v=getenv(k) or "unknown" 
    report_resolving("variable %a set to %a",k,v)
   end
   report_resolving()
@@ -22065,7 +22520,7 @@ local function identify_configuration_files()
    resolvers.luacnfstate="environment"
   end
   reportcriticalvariables(cnfspec)
-  local cnfpaths=expandedpathfromlist(resolvers.splitpath(cnfspec))
+  local cnfpaths=expandedpathfromlist(splitpath(cnfspec))
   local function locatecnf(luacnfname,kind)
    for i=1,#cnfpaths do
     local filepath=cnfpaths[i]
@@ -22098,6 +22553,8 @@ local function identify_configuration_files()
 end
 local function load_configuration_files()
  local specification=instance.specification
+ local setups=instance.setups
+ local order=instance.order
  if #specification>0 then
   local luacnfname=resolvers.luacnfname
   for i=1,#specification do
@@ -22107,7 +22564,6 @@ local function load_configuration_files()
    local realname=resolveprefix(filename) 
    local blob=loadfile(realname)
    if blob then
-    local setups=instance.setups
     local data=blob()
     local parent=data and data.parent
     if parent then
@@ -22118,7 +22574,7 @@ local function load_configuration_files()
       local parentdata=blob()
       if parentdata then
        report_resolving("loading configuration file %a",filename)
-       data=table.merged(parentdata,data)
+       data=mergedtable(parentdata,data)
       end
      end
     end
@@ -22150,7 +22606,7 @@ local function load_configuration_files()
        if trace_locating then
         report_resolving("reloading configuration due to TEXMF redefinition")
        end
-       resolvers.setenv("TEXMFCNF",cnfspec)
+       setenv("TEXMFCNF",cnfspec)
        instance.specification={}
        identify_configuration_files()
        load_configuration_files()
@@ -22168,7 +22624,7 @@ local function load_configuration_files()
    elseif trace_locating then
     report_resolving("skipping configuration file %a (no valid format)",filename)
    end
-   instance.order[#instance.order+1]=instance.setups[pathname]
+   order[#order+1]=setups[pathname]
    if instance.loaderror then
     break
    end
@@ -22177,6 +22633,8 @@ local function load_configuration_files()
   report_resolving("warning: no lua configuration files found")
  end
 end
+local expandedpathlist
+local unexpandedpathlist
 function resolvers.configurationfiles()
  return instance.specification or {}
 end
@@ -22193,7 +22651,7 @@ local function load_file_databases()
  end
 end
 local function locate_file_databases()
- local texmfpaths=resolvers.expandedpathlist("TEXMF")
+ local texmfpaths=expandedpathlist("TEXMF")
  if #texmfpaths>0 then
   for i=1,#texmfpaths do
    local path=collapsepath(texmfpaths[i])
@@ -22202,7 +22660,7 @@ local function locate_file_databases()
    if stripped~="" then
     local runtime=stripped==path
     path=cleanpath(path)
-    local spec=resolvers.splitmethod(stripped)
+    local spec=splitmethod(stripped)
     if runtime and (spec.noscheme or spec.scheme=="file") then
      stripped="tree:///"..stripped
     elseif spec.scheme=="cache" or spec.scheme=="file" then
@@ -22236,11 +22694,13 @@ local function generate_file_databases()
  end
 end
 local function save_file_databases() 
- for i=1,#instance.hashes do
-  local hash=instance.hashes[i]
+ local hashes=instance.hashes
+ local files=instance.files
+ for i=1,#hashes do
+  local hash=hashes[i]
   local cachename=hash.name
   if hash.cache then
-   local content=instance.files[cachename]
+   local content=files[cachename]
    caches.collapsecontent(content)
    if trace_locating then
     report_resolving("saving tree %a",cachename)
@@ -22252,8 +22712,9 @@ local function save_file_databases()
  end
 end
 function resolvers.renew(hashname)
+ local files=instance.files
  if hashname and hashname~="" then
-  local expanded=resolvers.expansion(hashname) or ""
+  local expanded=expansion(hashname) or ""
   if expanded~="" then
    if trace_locating then
     report_resolving("identifying tree %a from %a",expanded,hashname)
@@ -22270,7 +22731,7 @@ function resolvers.renew(hashname)
     report_resolving("using path %a",realpath)
    end
    methodhandler('generators',hashname)
-   local content=instance.files[hashname]
+   local content=files[hashname]
    caches.collapsecontent(content)
    if trace_locating then
     report_resolving("saving tree %a",hashname)
@@ -22297,38 +22758,46 @@ local function load_databases()
  end
 end
 function resolvers.appendhash(type,name,cache)
- if not instance.hashed[name] then
+ local hashed=instance.hashed
+ local hashes=instance.hashes
+ if hashed[name] then
+ else
   if trace_locating then
    report_resolving("hash %a appended",name)
   end
-  insert(instance.hashes,{ type=type,name=name,cache=cache } )
-  instance.hashed[name]=cache
+  insert(hashes,{ type=type,name=name,cache=cache } )
+  hashed[name]=cache
  end
 end
 function resolvers.prependhash(type,name,cache)
- if not instance.hashed[name] then
+ local hashed=instance.hashed
+ local hashes=instance.hashes
+ if hashed[name] then
+ else
   if trace_locating then
    report_resolving("hash %a prepended",name)
   end
-  insert(instance.hashes,1,{ type=type,name=name,cache=cache } )
-  instance.hashed[name]=cache
+  insert(hashes,1,{ type=type,name=name,cache=cache } )
+  hashed[name]=cache
  end
 end
 function resolvers.extendtexmfvariable(specification) 
- local t=resolvers.splitpath(getenv("TEXMF")) 
- insert(t,1,specification)
- local newspec=concat(t,",") 
- if instance.environment["TEXMF"] then
-  instance.environment["TEXMF"]=newspec
- elseif instance.variables["TEXMF"] then
-  instance.variables["TEXMF"]=newspec
+ local environment=instance.environment
+ local variables=instance.variables
+ local texmftrees=splitpath(getenv("TEXMF")) 
+ insert(texmftrees,1,specification)
+ texmftrees=concat(texmftrees,",") 
+ if environment["TEXMF"] then
+  environment["TEXMF"]=texmftrees
+ elseif variables["TEXMF"] then
+  variables["TEXMF"]=texmftrees
  else
  end
  reset_hashes()
 end
 function resolvers.splitexpansions()
- local ie=instance.expansions
- for k,v in next,ie do
+ local expansions=instance.expansions
+ for k,v in next,expansions do
   local t,tn,h,p={},0,{},splitconfigurationpath(v)
   for kk=1,#p do
    local vv=p[kk]
@@ -22338,33 +22807,37 @@ function resolvers.splitexpansions()
     h[vv]=true
    end
   end
-  if #t>1 then
-   ie[k]=t
+  if tn>1 then
+   expansions[k]=t
   else
-   ie[k]=t[1]
+   expansions[k]=t[1]
   end
  end
 end
 function resolvers.datastate()
  return caches.contentstate()
 end
-function resolvers.variable(name)
+variable=function(name)
+ local variables=instance.variables
  local name=name and lpegmatch(dollarstripper,name)
- local result=name and instance.variables[name]
+ local result=name and variables[name]
  return result~=nil and result or ""
 end
-function resolvers.expansion(name)
+expansion=function(name)
+ local expansions=instance.expansions
  local name=name and lpegmatch(dollarstripper,name)
- local result=name and instance.expansions[name]
+ local result=name and expansions[name]
  return result~=nil and result or ""
 end
-function resolvers.unexpandedpathlist(str)
- local pth=resolvers.variable(str)
- local lst=resolvers.splitpath(pth)
+resolvers.variable=variable
+resolvers.expansion=expansion
+unexpandedpathlist=function(str)
+ local pth=variable(str)
+ local lst=splitpath(pth)
  return expandedpathfromlist(lst)
 end
 function resolvers.unexpandedpath(str)
- return joinpath(resolvers.unexpandedpathlist(str))
+ return joinpath(unexpandedpathlist(str))
 end
 function resolvers.pushpath(name)
  local pathstack=instance.pathstack
@@ -22394,8 +22867,8 @@ function resolvers.stackpath()
 end
 local done={}
 function resolvers.resetextrapaths()
- local ep=instance.extra_paths
- if not ep then
+ local extra_paths=instance.extra_paths
+ if not extra_paths then
   done={}
   instance.extra_paths={}
  elseif #ep>0 then
@@ -22416,8 +22889,8 @@ function resolvers.registerextrapath(paths,subpaths)
  end
  local paths=settings_to_array(paths)
  local subpaths=settings_to_array(subpaths)
- local ep=instance.extra_paths or {}
- local oldn=#ep
+ local extra_paths=instance.extra_paths or {}
+ local oldn=#extra_paths
  local newn=oldn
  local nofpaths=#paths
  local nofsubpaths=#subpaths
@@ -22430,7 +22903,7 @@ function resolvers.registerextrapath(paths,subpaths)
      local ps=p.."/"..s
      if not done[ps] then
       newn=newn+1
-      ep[newn]=cleanpath(ps)
+      extra_paths[newn]=cleanpath(ps)
       done[ps]=true
      end
     end
@@ -22440,7 +22913,7 @@ function resolvers.registerextrapath(paths,subpaths)
     local p=paths[i]
     if not done[p] then
      newn=newn+1
-     ep[newn]=cleanpath(p)
+     extra_paths[newn]=cleanpath(p)
      done[p]=true
     end
    end
@@ -22449,17 +22922,17 @@ function resolvers.registerextrapath(paths,subpaths)
   for i=1,oldn do
    for j=1,nofsubpaths do
     local s=subpaths[j]
-    local ps=ep[i].."/"..s
+    local ps=extra_paths[i].."/"..s
     if not done[ps] then
      newn=newn+1
-     ep[newn]=cleanpath(ps)
+     extra_paths[newn]=cleanpath(ps)
      done[ps]=true
     end
    end
   end
  end
  if newn>0 then
-  instance.extra_paths=ep 
+  instance.extra_paths=extra_paths 
  end
  if newn~=oldn then
   reset_caches()
@@ -22467,17 +22940,19 @@ function resolvers.registerextrapath(paths,subpaths)
 end
 function resolvers.pushextrapath(path)
  local paths=settings_to_array(path)
- if instance.extra_stack then
-  insert(instance.extra_stack,1,paths)
+ local extra_stack=instance.extra_stack
+ if extra_stack then
+  insert(extra_stack,1,paths)
  else
   instance.extra_stack={ paths }
  end
  reset_caches()
 end
 function resolvers.popextrapath()
- if instance.extra_stack then
+ local extra_stack=instance.extra_stack
+ if extra_stack then
   reset_caches()
-  return remove(instance.extra_stack,1)
+  return remove(extra_stack,1)
  end
 end
 local function made_list(instance,list,extra_too)
@@ -22506,33 +22981,21 @@ local function made_list(instance,list,extra_too)
   end
  end
  if extra_too then
-  local es=instance.extra_stack
-  if es and #es>0 then
-   for k=1,#es do
-    add(es[k])
+  local extra_stack=instance.extra_stack
+  local extra_paths=instance.extra_paths
+  if extra_stack and #extra_stack>0 then
+   for k=1,#extra_stack do
+    add(extra_stack[k])
    end
   end
-  local ep=instance.extra_paths
-  if ep and #ep>0 then
-   add(ep)
+  if extra_paths and #extra_paths>0 then
+   add(extra_paths)
   end
  end
  add(list)
  return new
 end
-function resolvers.cleanpathlist(str)
- local t=resolvers.expandedpathlist(str)
- if t then
-  for i=1,#t do
-   t[i]=collapsepath(cleanpath(t[i]))
-  end
- end
- return t
-end
-function resolvers.expandpath(str)
- return joinpath(resolvers.expandedpathlist(str))
-end
-function resolvers.expandedpathlist(str,extra_too)
+expandedpathlist=function(str,extra_too)
  if not str then
   return {}
  elseif instance.savelists then 
@@ -22540,40 +23003,56 @@ function resolvers.expandedpathlist(str,extra_too)
   local lists=instance.lists
   local lst=lists[str]
   if not lst then
-   local l=made_list(instance,resolvers.splitpath(resolvers.expansion(str)),extra_too)
+   local l=made_list(instance,splitpath(expansion(str)),extra_too)
    lst=expandedpathfromlist(l)
    lists[str]=lst
   end
   return lst
  else
-  local lst=resolvers.splitpath(resolvers.expansion(str))
+  local lst=splitpath(expansion(str))
   return made_list(instance,expandedpathfromlist(lst),extra_too)
  end
 end
-function resolvers.expandedpathlistfromvariable(str) 
+resolvers.expandedpathlist=expandedpathlist
+resolvers.unexpandedpathlist=unexpandedpathlist
+function resolvers.cleanpathlist(str)
+ local t=expandedpathlist(str)
+ if t then
+  for i=1,#t do
+   t[i]=collapsepath(cleanpath(t[i]))
+  end
+ end
+ return t
+end
+function resolvers.expandpath(str)
+ return joinpath(expandedpathlist(str))
+end
+local function expandedpathlistfromvariable(str) 
  str=lpegmatch(dollarstripper,str)
  local tmp=resolvers.variableofformatorsuffix(str)
- return resolvers.expandedpathlist(tmp~="" and tmp or str)
+ return expandedpathlist(tmp~="" and tmp or str)
 end
 function resolvers.expandpathfromvariable(str)
- return joinpath(resolvers.expandedpathlistfromvariable(str))
+ return joinpath(expandedpathlistfromvariable(str))
 end
+resolvers.expandedpathlistfromvariable=expandedpathlistfromvariable
 function resolvers.cleanedpathlist(v) 
- local t=resolvers.expandedpathlist(v)
+ local t=expandedpathlist(v)
  for i=1,#t do
-  t[i]=resolvers.resolve(resolvers.cleanpath(t[i]))
+  t[i]=resolveprefix(cleanpath(t[i]))
  end
  return t
 end
 function resolvers.expandbraces(str) 
- local pth=expandedpathfromlist(resolvers.splitpath(str))
+ local pth=expandedpathfromlist(splitpath(str))
  return joinpath(pth)
 end
 function resolvers.registerfilehash(name,content,someerror)
+ local files=instance.files
  if content then
-  instance.files[name]=content
+  files[name]=content
  else
-  instance.files[name]={}
+  files[name]={}
   if somerror==true then 
    instance.loaderror=someerror
   end
@@ -22592,7 +23071,7 @@ function resolvers.renewcache()
 end
 local function isreadable(name)
  local readable=isfile(name) 
- if trace_detail then
+ if trace_details then
   if readable then
    report_resolving("file %a is readable",name)
   else
@@ -22609,7 +23088,7 @@ local function collect_files(names)
    local variant=hash.type
    local search=filejoin(root,path,name) 
    local result=methodhandler('concatinators',variant,root,path,name)
-   if trace_detail then
+   if trace_details then
     report_resolving("match: variant %a, search %a, result %a",variant,search,result)
    end
    noffiles=noffiles+1
@@ -22618,7 +23097,7 @@ local function collect_files(names)
  end
  for k=1,#names do
   local filename=names[k]
-  if trace_detail then
+  if trace_details then
    report_resolving("checking name %a",filename)
   end
   local basename=filebasename(filename)
@@ -22630,12 +23109,13 @@ local function collect_files(names)
    pathname="/"..pathname.."$"
   end
   local hashes=instance.hashes
+  local files=instance.files
   for h=1,#hashes do
    local hash=hashes[h]
    local hashname=hash.name
-   local content=hashname and instance.files[hashname]
+   local content=hashname and files[hashname]
    if content then
-    if trace_detail then
+    if trace_details then
      report_resolving("deep checking %a, base %a, pattern %a",hashname,basename,pathname)
     end
     local path,name=lookup(content,basename)
@@ -22703,7 +23183,6 @@ local function find_analyze(filename,askedformat,allresults)
  if askedformat=="" then
   if filesuffix=="" or not suffixmap[filesuffix] then
    local defaultsuffixes=resolvers.defaultsuffixes
-   local formatofsuffix=resolvers.formatofsuffix
    for i=1,#defaultsuffixes do
     local forcedname=filename..'.'..defaultsuffixes[i]
     wantedfiles[#wantedfiles+1]=forcedname
@@ -22713,7 +23192,7 @@ local function find_analyze(filename,askedformat,allresults)
     end
    end
   else
-   filetype=resolvers.formatofsuffix(filename)
+   filetype=formatofsuffix(filename)
    if trace_locating then
     report_resolving("using suffix based filetype %a",filetype)
    end
@@ -22736,7 +23215,7 @@ local function find_analyze(filename,askedformat,allresults)
 end
 local function find_direct(filename,allresults)
  if not dangerous[askedformat] and isreadable(filename) then
-  if trace_detail then
+  if trace_details then
    report_resolving("file %a found directly",filename)
   end
   return "direct",{ filename }
@@ -22761,12 +23240,12 @@ local function find_qualified(filename,allresults,askedformat,alsostripped)
   report_resolving("checking qualified name %a",filename)
  end
  if isreadable(filename) then
-  if trace_detail then
+  if trace_details then
    report_resolving("qualified file %a found",filename)
   end
   return "qualified",{ filename }
  end
- if trace_detail then
+ if trace_details then
   report_resolving("locating qualified file %a",filename)
  end
  local forcedname,suffix="",suffixonly(filename)
@@ -22774,11 +23253,11 @@ local function find_qualified(filename,allresults,askedformat,alsostripped)
   local format_suffixes=askedformat=="" and resolvers.defaultsuffixes or suffixes[askedformat]
   if format_suffixes then
    for i=1,#format_suffixes do
-    local s=format_suffixes[i]
-    forcedname=filename.."."..s
+    local suffix=format_suffixes[i]
+    forcedname=filename.."."..suffix
     if isreadable(forcedname) then
      if trace_locating then
-      report_resolving("no suffix, forcing format filetype %a",s)
+      report_resolving("no suffix, forcing format filetype %a",suffix)
      end
      return "qualified",{ forcedname }
     end
@@ -22791,7 +23270,7 @@ local function find_qualified(filename,allresults,askedformat,alsostripped)
   local savedformat=askedformat
   local format=savedformat or ""
   if format=="" then
-   askedformat=resolvers.formatofsuffix(suffix)
+   askedformat=formatofsuffix(suffix)
   end
   if not format then
    askedformat="othertextfiles" 
@@ -22822,7 +23301,7 @@ local function find_qualified(filename,allresults,askedformat,alsostripped)
 end
 local function check_subpath(fname)
  if isreadable(fname) then
-  if trace_detail then
+  if trace_details then
    report_resolving("found %a by deep scanning",fname)
   end
   return fname
@@ -22830,7 +23309,7 @@ local function check_subpath(fname)
 end
 local function makepathlist(list,filetype)
  local typespec=resolvers.variableofformat(filetype)
- local pathlist=resolvers.expandedpathlist(typespec,filetype and usertypes[filetype]) 
+ local pathlist=expandedpathlist(typespec,filetype and usertypes[filetype]) 
  local entry={}
  if pathlist and #pathlist>0 then
   for k=1,#pathlist do
@@ -22841,7 +23320,7 @@ local function makepathlist(list,filetype)
    local expression=makepathexpression(pathname)
    local barename=gsub(pathname,"/+$","")
    barename=resolveprefix(barename)
-   local scheme=url.hasscheme(barename)
+   local scheme=urlhasscheme(barename)
    local schemename=gsub(barename,"%.%*$",'')
    entry[k]={
     path=path,
@@ -22878,7 +23357,7 @@ local function find_intree(filename,filetype,wantedfiles,allresults)
     dirlist[i]=filedirname(filelist[i][3]).."/" 
    end
   end
-  if trace_detail then
+  if trace_details then
    report_resolving("checking filename %a in tree",filename)
   end
   for k=1,#pathlist do
@@ -22888,7 +23367,7 @@ local function find_intree(filename,filetype,wantedfiles,allresults)
    local done=false
    if filelist then
     local expression=entry.expression
-    if trace_detail then
+    if trace_details then
      report_resolving("using pattern %a for path %a",expression,pathname)
     end
     for k=1,#filelist do
@@ -22899,16 +23378,16 @@ local function find_intree(filename,filetype,wantedfiles,allresults)
       result[#result+1]=resolveprefix(fl[3]) 
       done=true
       if allresults then
-       if trace_detail then
+       if trace_details then
         report_resolving("match to %a in hash for file %a and path %a, continue scanning",expression,f,d)
        end
       else
-       if trace_detail then
+       if trace_details then
         report_resolving("match to %a in hash for file %a and path %a, quit scanning",expression,f,d)
        end
        break
       end
-     elseif trace_detail then
+     elseif trace_details then
       report_resolving("no match to %a in hash for file %a and path %a",expression,f,d)
      end
     end
@@ -22923,7 +23402,7 @@ local function find_intree(filename,filetype,wantedfiles,allresults)
      if not find(pname,"*",1,true) then
       if can_be_dir(pname) then
        if not done and not entry.prescanned then
-        if trace_detail then
+        if trace_details then
          report_resolving("quick root scan for %a",pname)
         end
         for k=1,#wantedfiles do
@@ -22938,7 +23417,7 @@ local function find_intree(filename,filetype,wantedfiles,allresults)
          end
         end
         if not done and entry.recursive then
-         if trace_detail then
+         if trace_details then
           report_resolving("scanning filesystem for %a",pname)
          end
          local files=resolvers.simplescanfiles(pname,false,true)
@@ -23004,7 +23483,7 @@ local function find_intree(filename,filetype,wantedfiles,allresults)
  end
 end
 local function find_onpath(filename,filetype,wantedfiles,allresults)
- if trace_detail then
+ if trace_details then
   report_resolving("checking filename %a, filetype %a, wanted files %a",filename,filetype,concat(wantedfiles," | "))
  end
  local result={}
@@ -23046,7 +23525,9 @@ collect_instance_files=function(filename,askedformat,allresults)
    { find_onpath   (filename,filetype,wantedfiles,true) },
    { find_otherwise(filename,filetype,wantedfiles,true) },
   }
-  local result,status,done={},{},{}
+  local result={}
+  local status={}
+  local done={}
   for k,r in next,results do
    local method,list=r[1],r[2]
    if method and list then
@@ -23060,7 +23541,7 @@ collect_instance_files=function(filename,askedformat,allresults)
     end
    end
   end
-  if trace_detail then
+  if trace_details then
    report_resolving("lookup status: %s",table.serialize(status,filename))
   end
   return result,status
@@ -23117,6 +23598,9 @@ local function findfiles(filename,filetype,allresults)
  if not filename or filename=="" then
   return {}
  end
+ if allresults==nil then
+  allresults=true
+ end
  local result,status=collect_instance_files(filename,filetype or "",allresults)
  if not result or #result==0 then
   local lowered=lower(filename)
@@ -23126,27 +23610,25 @@ local function findfiles(filename,filetype,allresults)
  end
  return result or {},status
 end
-function resolvers.findfiles(filename,filetype)
- if not filename or filename=="" then
-  return ""
- else
-  return findfiles(filename,filetype,true)
- end
-end
-function resolvers.findfile(filename,filetype)
+local function findfile(filename,filetype)
  if not filename or filename=="" then
   return ""
  else
   return findfiles(filename,filetype,false)[1] or ""
  end
 end
+resolvers.findfiles=findfiles
+resolvers.findfile=findfile
+resolvers.find_file=findfile  
+resolvers.find_files=findfiles 
 function resolvers.findpath(filename,filetype)
  return filedirname(findfiles(filename,filetype,false)[1] or "")
 end
 local function findgivenfiles(filename,allresults)
+ local hashes=instance.hashes
+ local files=instance.files
  local base=filebasename(filename)
  local result={}
- local hashes=instance.hashes
  local function okay(hash,path,name)
   local found=methodhandler('concatinators',hash.type,hash.name,path,name)
   if found and found~="" then
@@ -23156,7 +23638,7 @@ local function findgivenfiles(filename,allresults)
  end
  for k=1,#hashes do
   local hash=hashes[k]
-  local content=instance.files[hash.name]
+  local content=files[hash.name]
   if content then
    local path,name=lookup(content,base)
    if not path then
@@ -23188,14 +23670,14 @@ function resolvers.wildcardpattern(pattern)
  return lpegmatch(makewildcard,pattern) or pattern
 end
 local function findwildcardfiles(filename,allresults,result)
+ local files=instance.files
+ local hashes=instance.hashes
  local result=result or {}
  local base=filebasename(filename)
  local dirn=filedirname(filename)
  local path=lower(lpegmatch(makewildcard,dirn) or dirn)
  local name=lower(lpegmatch(makewildcard,base) or base)
- local files=instance.files
  if find(name,"*",1,true) then
-  local hashes=instance.hashes
   local function okay(found,path,base,hashname,hashtype)
    if find(found,path) then
     local full=methodhandler('concatinators',hashtype,hashname,found,base)
@@ -23235,7 +23717,6 @@ local function findwildcardfiles(filename,allresults,result)
     end
    end
   end
-  local hashes=instance.hashes
   for k=1,#hashes do
    local hash=hashes[k]
    local hashname=hash.name
@@ -23265,13 +23746,21 @@ end
 function resolvers.findwildcardfile(filename)
  return findwildcardfiles(filename,false)[1] or ""
 end
-function resolvers.automount()
-end
-function resolvers.starttiming()
- statistics.starttiming(instance)
+do
+ local starttiming=statistics.starttiming
+ local stoptiming=statistics.stoptiming
+ local elapsedtime=statistics.elapsedtime
+ function resolvers.starttiming()
+  starttiming(instance)
+ end
+ function resolvers.stoptiming()
+  stoptiming(instance)
+ end
+ function resolvers.loadtime()
+  return elapsedtime(instance)
+ end
 end
-function resolvers.stoptiming()
- statistics.stoptiming(instance)
+function resolvers.automount()
 end
 function resolvers.load(option)
  resolvers.starttiming()
@@ -23285,9 +23774,6 @@ function resolvers.load(option)
  local files=instance.files
  return files and next(files) and true
 end
-function resolvers.loadtime()
- return statistics.elapsedtime(instance)
-end
 local function report(str)
  if trace_locating then
   report_resolving(str) 
@@ -23317,7 +23803,7 @@ function resolvers.dowithfilesandreport(command,files,...)
  end
 end
 function resolvers.showpath(str)  
- return joinpath(resolvers.expandedpathlist(resolvers.formatofvariable(str)))
+ return joinpath(expandedpathlist(resolvers.formatofvariable(str)))
 end
 function resolvers.registerfile(files,name,path)
  if files[name] then
@@ -23331,7 +23817,7 @@ function resolvers.registerfile(files,name,path)
  end
 end
 function resolvers.dowithpath(name,func)
- local pathlist=resolvers.expandedpathlist(name)
+ local pathlist=expandedpathlist(name)
  for i=1,#pathlist do
   func("^"..cleanpath(pathlist[i]))
  end
@@ -23341,11 +23827,11 @@ function resolvers.dowithvariable(name,func)
 end
 function resolvers.locateformat(name)
  local engine=environment.ownmain or "luatex"
- local barename=removesuffix(name)
+ local barename=removesuffix(file.basename(name))
  local fullname=addsuffix(barename,"fmt")
  local fmtname=caches.getfirstreadablefile(fullname,"formats",engine) or ""
  if fmtname=="" then
-  fmtname=resolvers.findfile(fullname)
+  fmtname=findfile(fullname)
   fmtname=cleanpath(fmtname)
  end
  if fmtname~="" then
@@ -23354,17 +23840,17 @@ function resolvers.locateformat(name)
   local lucname=addsuffix(barename,luasuffixes.luc)
   local luiname=addsuffix(barename,luasuffixes.lui)
   if isfile(luiname) then
-   return barename,luiname
+   return fmtname,luiname
   elseif isfile(lucname) then
-   return barename,lucname
+   return fmtname,lucname
   elseif isfile(luaname) then
-   return barename,luaname
+   return fmtname,luaname
   end
  end
  return nil,nil
 end
 function resolvers.booleanvariable(str,default)
- local b=resolvers.expansion(str)
+ local b=expansion(str)
  if b=="" then
   return default
  else
@@ -23374,6 +23860,7 @@ function resolvers.booleanvariable(str,default)
 end
 function resolvers.dowithfilesintree(pattern,handle,before,after) 
  local hashes=instance.hashes
+ local files=instance.files
  for i=1,#hashes do
   local hash=hashes[i]
   local blobtype=hash.type
@@ -23385,7 +23872,7 @@ function resolvers.dowithfilesintree(pattern,handle,before,after)
    if before then
     before(blobtype,blobpath,pattern)
    end
-   for path,name in filtered(instance.files[blobpath],pattern) do
+   for path,name in filtered(files[blobpath],pattern) do
     if type(path)=="string" then
      checked=checked+1
      if handle(blobtype,blobpath,path,name) then
@@ -23406,10 +23893,6 @@ function resolvers.dowithfilesintree(pattern,handle,before,after)
   end
  end
 end
-local obsolete=resolvers.obsolete or {}
-resolvers.obsolete=obsolete
-resolvers.find_file=resolvers.findfile obsolete.find_file=resolvers.findfile
-resolvers.find_files=resolvers.findfiles   obsolete.find_files=resolvers.findfiles
 function resolvers.knownvariables(pattern)
  if instance then
   local environment=instance.environment
@@ -23443,7 +23926,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-pre"] = package.loaded["data-pre"] or true
 
--- original size: 4854, stripped down to: 2889
+-- original size: 5088, stripped down to: 3144
 
 if not modules then modules={} end modules ['data-pre']={
  version=1.001,
@@ -23452,6 +23935,7 @@ if not modules then modules={} end modules ['data-pre']={
  copyright="PRAGMA ADE / ConTeXt Development Team",
  license="see context related readme files"
 }
+local insert,remove=table.insert,table.remove
 local resolvers=resolvers
 local prefixes=resolvers.prefixes
 local cleanpath=resolvers.cleanpath
@@ -23529,8 +24013,9 @@ prefixes.kpse=prefixes.locate
 prefixes.full=prefixes.locate
 prefixes.file=prefixes.filename
 prefixes.path=prefixes.pathname
+local inputstack={}
+local stackpath=resolvers.stackpath
 local function toppath()
- local inputstack=resolvers.inputstack 
  if not inputstack then      
   return "."
  end
@@ -23542,15 +24027,23 @@ local function toppath()
  end
 end
 local function jobpath()
- local path=resolvers.stackpath()
+ local path=stackpath()
  if not path or path=="" then
   return "."
  else
   return path
  end
 end
+local function pushinputname(name)
+ insert(inputstack,name)
+end
+local function popinputname(name)
+ return remove(inputstack)
+end
 resolvers.toppath=toppath
 resolvers.jobpath=jobpath
+resolvers.pushinputname=pushinputname
+resolvers.popinputname=popinputname
 prefixes.toppath=function(str) return cleanpath(joinpath(toppath(),str)) end 
 prefixes.jobpath=function(str) return cleanpath(joinpath(jobpath(),str)) end 
 resolvers.setdynamic("toppath")
@@ -23593,7 +24086,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-out"] = package.loaded["data-out"] or true
 
--- original size: 530, stripped down to: 470
+-- original size: 551, stripped down to: 470
 
 if not modules then modules={} end modules ['data-out']={
  version=1.001,
@@ -23616,7 +24109,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-fil"] = package.loaded["data-fil"] or true
 
--- original size: 3863, stripped down to: 3170
+-- original size: 4365, stripped down to: 3588
 
 if not modules then modules={} end modules ['data-fil']={
  version=1.001,
@@ -23625,39 +24118,46 @@ if not modules then modules={} end modules ['data-fil']={
  copyright="PRAGMA ADE / ConTeXt Development Team",
  license="see context related readme files"
 }
+local ioopen=io.open
+local isdir=lfs.isdir
 local trace_locating=false  trackers.register("resolvers.locating",function(v) trace_locating=v end)
 local report_files=logs.reporter("resolvers","files")
 local resolvers=resolvers
 local resolveprefix=resolvers.resolve
-local finders,openers,loaders,savers=resolvers.finders,resolvers.openers,resolvers.loaders,resolvers.savers
-local locators,hashers,generators,concatinators=resolvers.locators,resolvers.hashers,resolvers.generators,resolvers.concatinators
+local findfile=resolvers.findfile
+local scanfiles=resolvers.scanfiles
+local registerfilehash=resolvers.registerfilehash
+local appendhash=resolvers.appendhash
+local loadcachecontent=caches.loadcontent
 local checkgarbage=utilities.garbagecollector and utilities.garbagecollector.check
-function locators.file(specification)
+function resolvers.locators.file(specification)
  local filename=specification.filename
  local realname=resolveprefix(filename) 
- if realname and realname~='' and lfs.isdir(realname) then
+ if realname and realname~='' and isdir(realname) then
   if trace_locating then
    report_files("file locator %a found as %a",filename,realname)
   end
-  resolvers.appendhash('file',filename,true) 
+  appendhash('file',filename,true) 
  elseif trace_locating then
   report_files("file locator %a not found",filename)
  end
 end
-function hashers.file(specification)
+function resolvers.hashers.file(specification)
  local pathname=specification.filename
- local content=caches.loadcontent(pathname,'files')
- resolvers.registerfilehash(pathname,content,content==nil)
+ local content=loadcachecontent(pathname,'files')
+ registerfilehash(pathname,content,content==nil)
 end
-function generators.file(specification)
+function resolvers.generators.file(specification)
  local pathname=specification.filename
- local content=resolvers.scanfiles(pathname,false,true) 
- resolvers.registerfilehash(pathname,content,true)
+ local content=scanfiles(pathname,false,true) 
+ registerfilehash(pathname,content,true)
 end
-concatinators.file=file.join
+resolvers.concatinators.file=file.join
+local finders=resolvers.finders
+local notfound=finders.notfound
 function finders.file(specification,filetype)
  local filename=specification.filename
- local foundname=resolvers.findfile(filename,filetype)
+ local foundname=findfile(filename,filetype)
  if foundname and foundname~="" then
   if trace_locating then
    report_files("file finder: %a found",filename)
@@ -23667,37 +24167,55 @@ function finders.file(specification,filetype)
   if trace_locating then
    report_files("file finder: %a not found",filename)
   end
-  return finders.notfound()
+  return notfound()
  end
 end
-function openers.helpers.textopener(tag,filename,f)
+local openers=resolvers.openers
+local notfound=openers.notfound
+local overloaded=false
+local function textopener(tag,filename,f)
  return {
-  reader=function()         return f:read () end,
-  close=function() logs.show_close(filename) return f:close() end,
+  reader=function() return f:read () end,
+  close=function() return f:close() end,
  }
 end
+function openers.helpers.textopener(...)
+ return textopener(...)
+end
+function openers.helpers.settextopener(opener)
+ if overloaded then
+  report_files("file opener: %s overloaded","already")
+ else
+  if trace_locating then
+   report_files("file opener: %s overloaded","once")
+  end
+  overloaded=true
+  textopener=opener
+ end
+end
 function openers.file(specification,filetype)
  local filename=specification.filename
  if filename and filename~="" then
-  local f=io.open(filename,"r")
+  local f=ioopen(filename,"r")
   if f then
    if trace_locating then
     report_files("file opener: %a opened",filename)
    end
-   return openers.helpers.textopener("file",filename,f)
+   return textopener("file",filename,f)
   end
  end
  if trace_locating then
   report_files("file opener: %a not found",filename)
  end
- return openers.notfound()
+ return notfound()
 end
+local loaders=resolvers.loaders
+local notfound=loaders.notfound
 function loaders.file(specification,filetype)
  local filename=specification.filename
  if filename and filename~="" then
-  local f=io.open(filename,"rb")
+  local f=ioopen(filename,"rb")
   if f then
-   logs.show_load(filename)
    if trace_locating then
     report_files("file loader: %a loaded",filename)
    end
@@ -23714,7 +24232,7 @@ function loaders.file(specification,filetype)
  if trace_locating then
   report_files("file loader: %a not found",filename)
  end
- return loaders.notfound()
+ return notfound()
 end
 
 
@@ -23724,7 +24242,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-con"] = package.loaded["data-con"] or true
 
--- original size: 5029, stripped down to: 3432
+-- original size: 5388, stripped down to: 3685
 
 if not modules then modules={} end modules ['data-con']={
  version=1.100,
@@ -23733,6 +24251,7 @@ if not modules then modules={} end modules ['data-con']={
  copyright="PRAGMA ADE / ConTeXt Development Team",
  license="see context related readme files"
 }
+local setmetatable=setmetatable
 local format,lower,gsub=string.format,string.lower,string.gsub
 local trace_cache=false  trackers.register("resolvers.cache",function(v) trace_cache=v end)
 local trace_containers=false  trackers.register("resolvers.containers",function(v) trace_containers=v end)
@@ -23740,16 +24259,21 @@ local trace_storage=false  trackers.register("resolvers.storage",function(v) tra
 containers=containers or {}
 local containers=containers
 containers.usecache=true
+local getwritablepath=caches.getwritablepath
+local getreadablepaths=caches.getreadablepaths
+local cacheiswritable=caches.is_writable
+local loaddatafromcache=caches.loaddata
+local savedataincache=caches.savedata
 local report_containers=logs.reporter("resolvers","containers")
 local allocated={}
 local mt={
  __index=function(t,k)
   if k=="writable" then
-   local writable=caches.getwritablepath(t.category,t.subcategory) or { "." }
+   local writable=getwritablepath(t.category,t.subcategory) or { "." }
    t.writable=writable
    return writable
   elseif k=="readables" then
-   local readables=caches.getreadablepaths(t.category,t.subcategory) or { "." }
+   local readables=getreadablepaths(t.category,t.subcategory) or { "." }
    t.readables=readables
    return readables
   end
@@ -23780,7 +24304,7 @@ function containers.define(category,subcategory,version,enabled)
  end
 end
 function containers.is_usable(container,name)
- return container.enabled and caches and caches.is_writable(container.writable,name)
+ return container.enabled and caches and cacheiswritable(container.writable,name)
 end
 function containers.is_valid(container,name)
  if name and name~="" then
@@ -23794,7 +24318,7 @@ function containers.read(container,name)
  local storage=container.storage
  local stored=storage[name]
  if not stored and container.enabled and caches and containers.usecache then
-  stored=caches.loaddata(container.readables,name,container.writable)
+  stored=loaddatafromcache(container.readables,name,container.writable)
   if stored and stored.cache_version==container.version then
    if trace_cache or trace_containers then
     report_containers("action %a, category %a, name %a","load",container.subcategory,name)
@@ -23810,17 +24334,20 @@ function containers.read(container,name)
  end
  return stored
 end
-function containers.write(container,name,data)
+function containers.write(container,name,data,fast)
  if data then
   data.cache_version=container.version
   if container.enabled and caches then
-   local unique,shared=data.unique,data.shared
-   data.unique,data.shared=nil,nil
-   caches.savedata(container.writable,name,data)
+   local unique=data.unique
+   local shared=data.shared
+   data.unique=nil
+   data.shared=nil
+   savedataincache(container.writable,name,data,fast)
    if trace_cache or trace_containers then
     report_containers("action %a, category %a, name %a","save",container.subcategory,name)
    end
-   data.unique,data.shared=unique,shared
+   data.unique=unique
+   data.shared=shared
   end
   if trace_cache or trace_containers then
    report_containers("action %a, category %a, name %a","store",container.subcategory,name)
@@ -23843,7 +24370,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-use"] = package.loaded["data-use"] or true
 
--- original size: 4434, stripped down to: 3180
+-- original size: 5790, stripped down to: 2910
 
 if not modules then modules={} end modules ['data-use']={
  version=1.001,
@@ -23852,40 +24379,11 @@ if not modules then modules={} end modules ['data-use']={
  copyright="PRAGMA ADE / ConTeXt Development Team",
  license="see context related readme files"
 }
-local format,lower,gsub,find=string.format,string.lower,string.gsub,string.find
+local format=string.format
 local trace_locating=false  trackers.register("resolvers.locating",function(v) trace_locating=v end)
 local report_mounts=logs.reporter("resolvers","mounts")
 local resolvers=resolvers
-resolvers.automounted=resolvers.automounted or {}
-function resolvers.automount(usecache)
- local mountpaths=resolvers.cleanpathlist(resolvers.expansion('TEXMFMOUNT'))
- if (not mountpaths or #mountpaths==0) and usecache then
-  mountpaths=caches.getreadablepaths("mount")
- end
- if mountpaths and #mountpaths>0 then
-  resolvers.starttiming()
-  for k=1,#mountpaths do
-   local root=mountpaths[k]
-   local f=io.open(root.."/url.tmi")
-   if f then
-    for line in f:lines() do
-     if line then
-      if find(line,"^[%%#%-]") then
-      elseif find(line,"^zip://") then
-       if trace_locating then
-        report_mounts("mounting %a",line)
-       end
-       table.insert(resolvers.automounted,line)
-       resolvers.usezipfile(line)
-      end
-     end
-    end
-    f:close()
-   end
-  end
-  resolvers.stoptiming()
- end
-end
+local findfile=resolvers.findfile
 statistics.register("used config file",function() return caches.configfiles() end)
 statistics.register("used cache path",function() return caches.usedpaths() end)
 function statistics.savefmtstatus(texname,formatbanner,sourcefile,kind,banner) 
@@ -23895,9 +24393,11 @@ function statistics.savefmtstatus(texname,formatbanner,sourcefile,kind,banner)
   local luvdata={
    enginebanner=enginebanner,
    formatbanner=formatbanner,
-   sourcehash=md5.hex(io.loaddata(resolvers.findfile(sourcefile)) or "unknown"),
+   sourcehash=md5.hex(io.loaddata(findfile(sourcefile)) or "unknown"),
    sourcefile=sourcefile,
    luaversion=LUAVERSION,
+   formatid=LUATEXFORMATID,
+   functionality=LUATEXFUNCTIONALITY,
   }
   io.savedata(luvname,table.serialize(luvdata,true))
   lua.registerfinalizer(function()
@@ -23917,7 +24417,7 @@ function statistics.checkfmtstatus(texname)
   if lfs.isfile(luvname) then
    local luv=dofile(luvname)
    if luv and luv.sourcefile then
-    local sourcehash=md5.hex(io.loaddata(resolvers.findfile(luv.sourcefile)) or "unknown")
+    local sourcehash=md5.hex(io.loaddata(findfile(luv.sourcefile)) or "unknown")
     local luvbanner=luv.enginebanner or "?"
     if luvbanner~=enginebanner then
      return format("engine mismatch (luv: %s <> bin: %s)",luvbanner,enginebanner)
@@ -23927,8 +24427,19 @@ function statistics.checkfmtstatus(texname)
      return format("source mismatch (luv: %s <> bin: %s)",luvhash,sourcehash)
     end
     local luvluaversion=luv.luaversion or 0
-    if luvluaversion~=LUAVERSION then
-     return format("lua mismatch (luv: %s <> bin: %s)",luvluaversion,LUAVERSION)
+    local engluaversion=LUAVERSION or 0
+    if luvluaversion~=engluaversion then
+     return format("lua mismatch (luv: %s <> bin: %s)",luvluaversion,engluaversion)
+    end
+    local luvfunctionality=luv.functionality or 0
+    local engfunctionality=status.development_id or 0
+    if luvfunctionality~=engfunctionality then
+     return format("functionality mismatch (luv: %s <> bin: %s)",luvfunctionality,engfunctionality)
+    end
+    local luvformatid=luv.formatid or 0
+    local engformatid=status.format_id or 0
+    if luvformatid~=engformatid then
+     return format("formatid mismatch (luv: %s <> bin: %s)",luvformatid,engformatid)
     end
    else
     return "invalid status file"
@@ -23947,7 +24458,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-zip"] = package.loaded["data-zip"] or true
 
--- original size: 10263, stripped down to: 7556
+-- original size: 10725, stripped down to: 7949
 
 if not modules then modules={} end modules ['data-zip']={
  version=1.001,
@@ -23960,6 +24471,14 @@ local format,find,match=string.format,string.find,string.match
 local trace_locating=false  trackers.register("resolvers.locating",function(v) trace_locating=v end)
 local report_zip=logs.reporter("resolvers","zip")
 local resolvers=resolvers
+local findfile=resolvers.findfile
+local registerfile=resolvers.registerfile
+local splitmethod=resolvers.splitmethod
+local prependhash=resolvers.prependhash
+local starttiming=resolvers.starttiming
+local extendtexmf=resolvers.extendtexmfvariable
+local stoptiming=resolvers.stoptiming
+local urlquery=url.query
 zip=zip or {}
 local zip=zip
 local archives=zip.archives or {}
@@ -23974,8 +24493,9 @@ if zipfiles then
  closezip=zipfiles.close
  validfile=zipfiles.found
  wholefile=zipfiles.unzip
+ local listzip=zipfiles.list
  traversezip=function(zfile)
-  return ipairs(zipfiles.list(zfile))
+  return ipairs(listzip(zfile))
  end
  local streams=utilities.streams
  local openstream=streams.open
@@ -24032,28 +24552,30 @@ local function validzip(str)
   return str
  end
 end
-function zip.openarchive(name)
+local function openarchive(name)
  if not name or name=="" then
   return nil
  else
   local arch=archives[name]
   if not arch then
-     local full=resolvers.findfile(name) or ""
+     local full=findfile(name) or ""
      arch=full~="" and openzip(full) or false
      archives[name]=arch
   end
     return arch
  end
 end
-function zip.closearchive(name)
+local function closearchive(name)
  if not name or (name=="" and archives[name]) then
   closezip(archives[name])
   archives[name]=nil
  end
 end
+zip.openarchive=openarchive
+zip.closearchive=closearchive
 function resolvers.locators.zip(specification)
  local archive=specification.filename
- local zipfile=archive and archive~="" and zip.openarchive(archive) 
+ local zipfile=archive and archive~="" and openarchive(archive) 
  if trace_locating then
   if zipfile then
    report_zip("locator: archive %a found",archive)
@@ -24062,13 +24584,6 @@ function resolvers.locators.zip(specification)
   end
  end
 end
-function resolvers.hashers.zip(specification)
- local archive=specification.filename
- if trace_locating then
-  report_zip("loading file %a",archive)
- end
- resolvers.usezipfile(specification.original)
-end
 function resolvers.concatinators.zip(zipfile,path,name) 
  if not path or path=="" then
   return format('%s?name=%s',zipfile,name)
@@ -24076,14 +24591,16 @@ function resolvers.concatinators.zip(zipfile,path,name)
   return format('%s?name=%s/%s',zipfile,path,name)
  end
 end
-function resolvers.finders.zip(specification)
+local finders=resolvers.finders
+local notfound=finders.notfound
+function finders.zip(specification)
  local original=specification.original
  local archive=specification.filename
  if archive then
-  local query=url.query(specification.query)
+  local query=urlquery(specification.query)
   local queryname=query.name
   if queryname then
-   local zfile=zip.openarchive(archive)
+   local zfile=openarchive(archive)
    if zfile then
     if trace_locating then
      report_zip("finder: archive %a found",archive)
@@ -24104,16 +24621,19 @@ function resolvers.finders.zip(specification)
  if trace_locating then
   report_zip("finder: %a not found",original)
  end
- return resolvers.finders.notfound()
+ return notfound()
 end
-function resolvers.openers.zip(specification)
+local openers=resolvers.openers
+local notfound=openers.notfound
+local textopener=openers.helpers.textopener
+function openers.zip(specification)
  local original=specification.original
  local archive=specification.filename
  if archive then
-  local query=url.query(specification.query)
+  local query=urlquery(specification.query)
   local queryname=query.name
   if queryname then
-   local zfile=zip.openarchive(archive)
+   local zfile=openarchive(archive)
    if zfile then
     if trace_locating then
      report_zip("opener; archive %a opened",archive)
@@ -24123,7 +24643,7 @@ function resolvers.openers.zip(specification)
      if trace_locating then
       report_zip("opener: file %a found",queryname)
      end
-     return resolvers.openers.helpers.textopener('zip',original,handle)
+     return textopener('zip',original,handle)
     elseif trace_locating then
      report_zip("opener: file %a not found",queryname)
     end
@@ -24135,23 +24655,24 @@ function resolvers.openers.zip(specification)
  if trace_locating then
   report_zip("opener: %a not found",original)
  end
- return resolvers.openers.notfound()
+ return notfound()
 end
-function resolvers.loaders.zip(specification)
+local loaders=resolvers.loaders
+local notfound=loaders.notfound
+function loaders.zip(specification)
  local original=specification.original
  local archive=specification.filename
  if archive then
-  local query=url.query(specification.query)
+  local query=urlquery(specification.query)
   local queryname=query.name
   if queryname then
-   local zfile=zip.openarchive(archive)
+   local zfile=openarchive(archive)
    if zfile then
     if trace_locating then
      report_zip("loader: archive %a opened",archive)
     end
     local data=wholefile(zfile,queryname)
     if data then
-     logs.show_load(original)
      if trace_locating then
       report_zip("loader; file %a loaded",original)
      end
@@ -24167,47 +24688,24 @@ function resolvers.loaders.zip(specification)
  if trace_locating then
   report_zip("loader: %a not found",original)
  end
- return resolvers.openers.notfound()
-end
-function resolvers.usezipfile(archive)
- local specification=resolvers.splitmethod(archive) 
- local archive=specification.filename
- if archive and not registeredfiles[archive] then
-  local z=zip.openarchive(archive)
-  if z then
-   local tree=url.query(specification.query).tree or ""
-   if trace_locating then
-    report_zip("registering: archive %a",archive)
-   end
-   resolvers.starttiming()
-   resolvers.prependhash('zip',archive)
-   resolvers.extendtexmfvariable(archive) 
-   registeredfiles[archive]=z
-   resolvers.registerfilehash(archive,resolvers.registerzipfile(z,tree))
-   resolvers.stoptiming()
-  elseif trace_locating then
-   report_zip("registering: unknown archive %a",archive)
-  end
- elseif trace_locating then
-  report_zip("registering: archive %a not found",archive)
- end
+ return notfound()
 end
-function resolvers.registerzipfile(z,tree)
+local function registerzipfile(z,tree)
  local names={}
  local files={} 
  local remap={} 
  local n=0
  local filter=tree=="" and "^(.+)/(.-)$" or format("^%s/(.+)/(.-)$",tree)
- local register=resolvers.registerfile
  if trace_locating then
   report_zip("registering: using filter %a",filter)
  end
+ starttiming()
  for i in traversezip(z) do
   local filename=i.filename
   local path,name=match(filename,filter)
   if not path then
    n=n+1
-   register(names,filename,"")
+   registerfile(names,filename,"")
    local usedname=lower(filename)
    files[usedname]=""
    if usedname~=filename then
@@ -24224,12 +24722,43 @@ function resolvers.registerzipfile(z,tree)
   else
   end
  end
+ stoptiming()
  report_zip("registering: %s files registered",n)
  return {
   files=files,
   remap=remap,
  }
 end
+local function usezipfile(archive)
+ local specification=splitmethod(archive) 
+ local archive=specification.filename
+ if archive and not registeredfiles[archive] then
+  local z=openarchive(archive)
+  if z then
+   local tree=urlquery(specification.query).tree or ""
+   if trace_locating then
+    report_zip("registering: archive %a",archive)
+   end
+   prependhash('zip',archive)
+   extendtexmf(archive) 
+   registeredfiles[archive]=z
+   registerfilehash(archive,registerzipfile(z,tree))
+  elseif trace_locating then
+   report_zip("registering: unknown archive %a",archive)
+  end
+ elseif trace_locating then
+  report_zip("registering: archive %a not found",archive)
+ end
+end
+resolvers.usezipfile=usezipfile
+resolvers.registerzipfile=registerzipfile
+function resolvers.hashers.zip(specification)
+ local archive=specification.filename
+ if trace_locating then
+  report_zip("loading file %a",archive)
+ end
+ usezipfile(specification.original)
+end
 
 
 end -- of closure
@@ -24238,7 +24767,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-tre"] = package.loaded["data-tre"] or true
 
--- original size: 8478, stripped down to: 5223
+-- original size: 10802, stripped down to: 6619
 
 if not modules then modules={} end modules ['data-tre']={
  version=1.001,
@@ -24247,180 +24776,255 @@ if not modules then modules={} end modules ['data-tre']={
  copyright="PRAGMA ADE / ConTeXt Development Team",
  license="see context related readme files"
 }
+local type=type
 local find,gsub,lower=string.find,string.gsub,string.lower
-local basename,dirname,joinname=file.basename,file.dirname,file   .join
+local basename,dirname,joinname=file.basename,file.dirname,file.join
 local globdir,isdir,isfile=dir.glob,lfs.isdir,lfs.isfile
 local P,lpegmatch=lpeg.P,lpeg.match
 local trace_locating=false  trackers.register("resolvers.locating",function(v) trace_locating=v end)
 local report_trees=logs.reporter("resolvers","trees")
 local resolvers=resolvers
-local resolveprefix=resolvers.resolve
-local notfound=resolvers.finders.notfound
-local lookup=resolvers.get_from_content
-local collectors={}
-local found={}
-function resolvers.finders.tree(specification) 
- local spec=specification.filename
- local okay=found[spec]
- if okay==nil then
-  if spec~="" then
-   local path=dirname(spec)
-   local name=basename(spec)
-   if path=="" then
-    path="."
-   end
-   local names=collectors[path]
-   if not names then
-    local pattern=find(path,"/%*+$") and path or (path.."/*")
-    names=globdir(pattern)
-    collectors[path]=names
-   end
-   local pattern="/"..gsub(name,"([%.%-%+])","%%%1").."$"
-   for i=1,#names do
-    local fullname=names[i]
-    if find(fullname,pattern) then
-     found[spec]=fullname
-     return fullname
-    end
-   end
-   local pattern=lower(pattern)
-   for i=1,#names do
-    local fullname=lower(names[i])
-    if find(fullname,pattern) then
-     if isfile(fullname) then
+local finders=resolvers.finders
+local openers=resolvers.openers
+local loaders=resolvers.loaders
+local locators=resolvers.locators
+local hashers=resolvers.hashers
+local generators=resolvers.generators
+do
+ local collectors={}
+ local found={}
+ local notfound=finders.notfound
+ function finders.tree(specification) 
+  local spec=specification.filename
+  local okay=found[spec]
+  if okay==nil then
+   if spec~="" then
+    local path=dirname(spec)
+    local name=basename(spec)
+    if path=="" then
+     path="."
+    end
+    local names=collectors[path]
+    if not names then
+     local pattern=find(path,"/%*+$") and path or (path.."/*")
+     names=globdir(pattern)
+     collectors[path]=names
+    end
+    local pattern="/"..gsub(name,"([%.%-%+])","%%%1").."$"
+    for i=1,#names do
+     local fullname=names[i]
+     if find(fullname,pattern) then
       found[spec]=fullname
       return fullname
-     else
-      break
+     end
+    end
+    local pattern=lower(pattern)
+    for i=1,#names do
+     local fullname=lower(names[i])
+     if find(fullname,pattern) then
+      if isfile(fullname) then
+       found[spec]=fullname
+       return fullname
+      else
+       break
+      end
      end
     end
    end
+   okay=notfound() 
+   found[spec]=okay
   end
-  okay=notfound() 
-  found[spec]=okay
+  return okay
  end
- return okay
 end
-function resolvers.locators.tree(specification)
- local name=specification.filename
- local realname=resolveprefix(name) 
- if realname and realname~='' and isdir(realname) then
-  if trace_locating then
-   report_trees("locator %a found",realname)
+do
+ local resolveprefix=resolvers.resolve
+ local appendhash=resolvers.appendhash
+ local function dolocate(specification)
+  local name=specification.filename
+  local realname=resolveprefix(name) 
+  if realname and realname~='' and isdir(realname) then
+   if trace_locating then
+    report_trees("locator %a found",realname)
+   end
+   appendhash('tree',name,false) 
+  elseif trace_locating then
+   report_trees("locator %a not found",name)
   end
-  resolvers.appendhash('tree',name,false) 
- elseif trace_locating then
-  report_trees("locator %a not found",name)
  end
+ locators.tree=dolocate
+ locators.dirlist=dolocate
+ locators.dirfile=dolocate
 end
-function resolvers.hashers.tree(specification)
- local name=specification.filename
- if trace_locating then
-  report_trees("analyzing %a",name)
- end
- resolvers.methodhandler("hashers",name)
- resolvers.generators.file(specification)
-end
-local collectors={}
-local splitter=lpeg.splitat("/**/")
-local stripper=lpeg.replacer { [P("/")*P("*")^1*P(-1)]="" }
-table.setmetatableindex(collectors,function(t,k)
- local rootname=lpegmatch(stripper,k)
- local dataname=joinname(rootname,"dirlist")
- local content=caches.loadcontent(dataname,"files",dataname)
- if not content then
-  content=resolvers.scanfiles(rootname,nil,nil,false,true) 
-  caches.savecontent(dataname,"files",content,dataname)
- end
- t[k]=content
- return content
-end)
-local function checked(root,p,n)
- if p then
-  if type(p)=="table" then
-   for i=1,#p do
-    local fullname=joinname(root,p[i],n)
+do
+ local filegenerator=generators.file
+ generators.dirlist=filegenerator
+ generators.dirfile=filegenerator
+end
+do
+ local filegenerator=generators.file
+ local methodhandler=resolvers.methodhandler
+ local function dohash(specification)
+  local name=specification.filename
+  if trace_locating then
+   report_trees("analyzing %a",name)
+  end
+  methodhandler("hashers",name)
+  filegenerator(specification)
+ end
+ hashers.tree=dohash
+ hashers.dirlist=dohash
+ hashers.dirfile=dohash
+end
+local resolve  do
+ local collectors={}
+ local splitter=lpeg.splitat("/**/")
+ local stripper=lpeg.replacer { [P("/")*P("*")^1*P(-1)]="" }
+ local loadcontent=caches.loadcontent
+ local savecontent=caches.savecontent
+ local notfound=finders.notfound
+ local scanfiles=resolvers.scanfiles
+ local lookup=resolvers.get_from_content
+ table.setmetatableindex(collectors,function(t,k)
+  local rootname=lpegmatch(stripper,k)
+  local dataname=joinname(rootname,"dirlist")
+  local content=loadcontent(dataname,"files",dataname)
+  if not content then
+   content=scanfiles(rootname,nil,nil,false,true) 
+   savecontent(dataname,"files",content,dataname)
+  end
+  t[k]=content
+  return content
+ end)
+ local function checked(root,p,n)
+  if p then
+   if type(p)=="table" then
+    for i=1,#p do
+     local fullname=joinname(root,p[i],n)
+     if isfile(fullname) then 
+      return fullname
+     end
+    end
+   else
+    local fullname=joinname(root,p,n)
     if isfile(fullname) then 
      return fullname
     end
    end
-  else
-   local fullname=joinname(root,p,n)
-   if isfile(fullname) then 
-    return fullname
-   end
   end
+  return notfound()
  end
- return notfound()
-end
-local function resolve(specification) 
- local filename=specification.filename
- if filename~="" then
-  local root,rest=lpegmatch(splitter,filename)
-  if root and rest then
-   local path,name=dirname(rest),basename(rest)
-   if name~=rest then
-    local content=collectors[root]
-    local p,n=lookup(content,name)
-    if not p then
-     return notfound()
-    end
-    local pattern=".*/"..path.."$"
-    local istable=type(p)=="table"
-    if istable then
-     for i=1,#p do
-      local pi=p[i]
-      if pi==path or find(pi,pattern) then
-       local fullname=joinname(root,pi,n)
-       if isfile(fullname) then 
-        return fullname
+ resolve=function(specification) 
+  local filename=specification.filename
+  if filename~="" then
+   local root,rest=lpegmatch(splitter,filename)
+   if root and rest then
+    local path,name=dirname(rest),basename(rest)
+    if name~=rest then
+     local content=collectors[root]
+     local p,n=lookup(content,name)
+     if not p then
+      return notfound()
+     end
+     local pattern=".*/"..path.."$"
+     local istable=type(p)=="table"
+     if istable then
+      for i=1,#p do
+       local pi=p[i]
+       if pi==path or find(pi,pattern) then
+        local fullname=joinname(root,pi,n)
+        if isfile(fullname) then 
+         return fullname
+        end
        end
       end
+     elseif p==path or find(p,pattern) then
+      local fullname=joinname(root,p,n)
+      if isfile(fullname) then 
+       return fullname
+      end
      end
-    elseif p==path or find(p,pattern) then
-     local fullname=joinname(root,p,n)
-     if isfile(fullname) then 
-      return fullname
+     local queries=specification.queries
+     if queries and queries.option=="fileonly" then
+      return checked(root,p,n)
+     else
+      return notfound()
      end
     end
-    local queries=specification.queries
-    if queries and queries.option=="fileonly" then
-     return checked(root,p,n)
-    else
-     return notfound()
-    end
+   end
+   local path=dirname(filename)
+   local name=basename(filename)
+   local root=lpegmatch(stripper,path)
+   local content=collectors[path]
+   local p,n=lookup(content,name)
+   if p then
+    return checked(root,p,n)
    end
   end
-  local path,name=dirname(filename),basename(filename)
-  local root=lpegmatch(stripper,path)
-  local content=collectors[path]
-  local p,n=lookup(content,name)
-  if p then
-   return checked(root,p,n)
+  return notfound()
+ end
+ finders.dirlist=resolve
+ function finders.dirfile(specification)
+  local queries=specification.queries
+  if queries then
+   queries.option="fileonly"
+  else
+   specification.queries={ option="fileonly" }
   end
+  return resolve(specification)
  end
- return notfound()
 end
-resolvers.finders   .dirlist=resolve
-resolvers.locators  .dirlist=resolvers.locators  .tree
-resolvers.hashers   .dirlist=resolvers.hashers   .tree
-resolvers.generators.dirlist=resolvers.generators.file
-resolvers.openers   .dirlist=resolvers.openers   .file
-resolvers.loaders   .dirlist=resolvers.loaders   .file
-function resolvers.finders.dirfile(specification)
- local queries=specification.queries
- if queries then
-  queries.option="fileonly"
- else
-  specification.queries={ option="fileonly" }
+do
+ local fileopener=openers.file
+ local fileloader=loaders.file
+ openers.dirlist=fileopener
+ loaders.dirlist=fileloader
+ openers.dirfile=fileopener
+ loaders.dirfile=fileloader
+end
+do
+ local hashfile="dirhash.lua"
+ local kind="HASH256"
+ local version=1.0
+ local loadtable=table.load
+ local savetable=table.save
+ local loaddata=io.loaddata
+ function resolvers.dirstatus(patterns)
+  local t=type(patterns)
+  if t=="string" then
+   patterns={ patterns }
+  elseif t~="table" then
+   return false
+  end
+  local status=loadtable(hashfile)
+  if not status or status.version~=version or status.kind~=kind then
+   status={
+    version=1.0,
+    kind=kind,
+    hashes={},
+   }
+  end
+  local hashes=status.hashes
+  local changed={}
+  local action=sha2[kind]
+  local update={}
+  for i=1,#patterns do
+   local pattern=patterns[i]
+   local files=globdir(pattern)
+   for i=1,#files do
+    local name=files[i]
+    local hash=action(loaddata(name))
+    if hashes[name]~=hash then
+     changed[#changed+1]=name
+    end
+    update[name]=hash
+   end
+  end
+  status.hashes=update
+  savetable(hashfile,status)
+  return #changed>0 and changed or false
  end
- return resolve(specification)
 end
-resolvers.locators  .dirfile=resolvers.locators  .dirlist
-resolvers.hashers   .dirfile=resolvers.hashers   .dirlist
-resolvers.generators.dirfile=resolvers.generators.dirlist
-resolvers.openers   .dirfile=resolvers.openers   .dirlist
-resolvers.loaders   .dirfile=resolvers.loaders   .dirlist
 
 
 end -- of closure
@@ -24429,7 +25033,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-sch"] = package.loaded["data-sch"] or true
 
--- original size: 6753, stripped down to: 5268
+-- original size: 6945, stripped down to: 5408
 
 if not modules then modules={} end modules ['data-sch']={
  version=1.001,
@@ -24439,8 +25043,11 @@ if not modules then modules={} end modules ['data-sch']={
  license="see context related readme files"
 }
 local load,tonumber=load,tonumber
-local gsub,concat,format=string.gsub,table.concat,string.format
+local gsub,format=string.gsub,string.format
+local sortedhash,concat=table.sortedhash,table.concat
 local finders,openers,loaders=resolvers.finders,resolvers.openers,resolvers.loaders
+local addsuffix,suffix,splitbase=file.addsuffix,file.suffix,file.splitbase
+local md5hex=md5.hex
 local trace_schemes=false  trackers.register("resolvers.schemes",function(v) trace_schemes=v end)
 local report_schemes=logs.reporter("resolvers","schemes")
 local http=require("socket.http")
@@ -24457,7 +25064,7 @@ function cleaners.none(specification)
  return specification.original
 end
 function cleaners.strip(specification) 
- local path,name=file.splitbase(specification.original)
+ local path,name=splitbase(specification.original)
  if path=="" then
   return (gsub(name,"[^%a%d%.]+","-"))
  else
@@ -24465,7 +25072,7 @@ function cleaners.strip(specification)
  end
 end
 function cleaners.md5(specification)
- return file.addsuffix(md5.hex(specification.original),file.suffix(specification.path))
+ return addsuffix(md5hex(specification.original),suffix(specification.path))
 end
 local cleaner=cleaners.strip
 directives.register("schemes.cleanmethod",function(v) cleaner=cleaners[v] or cleaners.strip end)
@@ -24485,7 +25092,7 @@ local runner=sandbox.registerrunner {
  name="curl resolver",
  method="execute",
  program="curl",
- template="--silent --insecure --create-dirs --output %cachename% %original%",
+ template='--silent --insecure --create-dirs --output "%cachename%" "%original%"',
  checkers={
   cachename="cache",
   original="url",
@@ -24556,10 +25163,10 @@ end
 schemes.install=install
 local function http_handler(specification,cachename)
  local tempname=cachename..".tmp"
- local f=io.open(tempname,"wb")
+ local handle=io.open(tempname,"wb")
  local status,message=http.request {
   url=specification.original,
-  sink=ltn12.sink.file(f)
+  sink=ltn12.sink.file(handle)
  }
  if not status then
   os.remove(tempname)
@@ -24574,13 +25181,13 @@ install('https')
 install('ftp')
 statistics.register("scheme handling time",function()
  local l,r,nl,nr={},{},0,0
- for k,v in table.sortedhash(loaded) do
+ for k,v in sortedhash(loaded) do
   if v>0 then
    nl=nl+1
    l[nl]=k..":"..v
   end
  end
- for k,v in table.sortedhash(reused) do
+ for k,v in sortedhash(reused) do
   if v>0 then
    nr=nr+1
    r[nr]=k..":"..v
@@ -24588,10 +25195,10 @@ statistics.register("scheme handling time",function()
  end
  local n=nl+nr
  if n>0 then
-  l=nl>0 and concat(l) or "none"
-  r=nr>0 and concat(r) or "none"
+  if nl==0 then l={ "none" } end
+  if nr==0 then r={ "none" } end
   return format("%s seconds, %s processed, threshold %s seconds, loaded: %s, reused: %s",
-   statistics.elapsedtime(schemes),n,threshold,l,r)
+   statistics.elapsedtime(schemes),n,threshold,concat(l," "),concat(l," "))
  else
   return nil
  end
@@ -24624,7 +25231,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-lua"] = package.loaded["data-lua"] or true
 
--- original size: 4207, stripped down to: 3041
+-- original size: 4227, stripped down to: 3049
 
 if not modules then modules={} end modules ['data-lua']={
  version=1.001,
@@ -24634,8 +25241,7 @@ if not modules then modules={} end modules ['data-lua']={
  license="see context related readme files"
 }
 local package,lpeg=package,lpeg
-local gsub=string.gsub
-local concat=table.concat
+local loadfile=loadfile
 local addsuffix=file.addsuffix
 local P,S,Cs,lpegmatch=lpeg.P,lpeg.S,lpeg.Cs,lpeg.match
 local luasuffixes={ 'tex','lua' }
@@ -24646,6 +25252,8 @@ local helpers=package.helpers or {}
 local methods=helpers.methods or {}
 local resolvers=resolvers
 local resolveprefix=resolvers.resolve
+local expandedpaths=resolvers.expandedpathlistfromvariable
+local findfile=resolvers.findfile
 helpers.report=logs.reporter("resolvers","libraries")
 trackers.register("resolvers.libraries",function(v) helpers.trace=v end)
 trackers.register("resolvers.locating",function(v) helpers.trace=v end)
@@ -24674,7 +25282,7 @@ local function getluaformatpaths()
  if not luaformatpaths then
   luaformatpaths={}
   for i=1,#luaformats do
-   registerpath("lua format","lua",luaformatpaths,resolvers.expandedpathlistfromvariable(luaformats[i]))
+   registerpath("lua format","lua",luaformatpaths,expandedpaths(luaformats[i]))
   end
  end
  return luaformatpaths
@@ -24683,7 +25291,7 @@ local function getlibformatpaths()
  if not libformatpaths then
   libformatpaths={}
   for i=1,#libformats do
-   registerpath("lib format","lib",libformatpaths,resolvers.expandedpathlistfromvariable(libformats[i]))
+   registerpath("lib format","lib",libformatpaths,expandedpaths(libformats[i]))
   end
  end
  return libformatpaths
@@ -24693,7 +25301,7 @@ local function loadedbyformat(name,rawname,suffixes,islib,what)
  local report=helpers.report
  for i=1,#suffixes do 
   local format=suffixes[i]
-  local resolved=resolvers.findfile(name,format) or ""
+  local resolved=findfile(name,format) or ""
   if trace then
    report("%s format, identifying %a using format %a",what,name,format)
   end
@@ -24731,7 +25339,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-aux"] = package.loaded["data-aux"] or true
 
--- original size: 2452, stripped down to: 1877
+-- original size: 2610, stripped down to: 2019
 
 if not modules then modules={} end modules ['data-aux']={
  version=1.001,
@@ -24742,24 +25350,28 @@ if not modules then modules={} end modules ['data-aux']={
 }
 local find=string.find
 local type,next=type,next
+local addsuffix,removesuffix=file.addsuffix,file.removesuffix
+local loaddata,savedata=io.loaddata,io.savedata
 local trace_locating=false  trackers.register("resolvers.locating",function(v) trace_locating=v end)
 local resolvers=resolvers
+local cleanpath=resolvers.cleanpath
+local findfiles=resolvers.findfiles
 local report_scripts=logs.reporter("resolvers","scripts")
 function resolvers.updatescript(oldname,newname)
  local scriptpath="context/lua"
- newname=file.addsuffix(newname,"lua")
- local oldscript=resolvers.cleanpath(oldname)
+ local oldscript=cleanpath(oldname)
+ local newname=addsuffix(newname,"lua")
+ local newscripts=findfiles(newname) or {}
  if trace_locating then
   report_scripts("to be replaced old script %a",oldscript)
  end
- local newscripts=resolvers.findfiles(newname) or {}
  if #newscripts==0 then
   if trace_locating then
    report_scripts("unable to locate new script")
   end
  else
   for i=1,#newscripts do
-   local newscript=resolvers.cleanpath(newscripts[i])
+   local newscript=cleanpath(newscripts[i])
    if trace_locating then
     report_scripts("checking new script %a",newscript)
    end
@@ -24771,17 +25383,17 @@ function resolvers.updatescript(oldname,newname)
     if trace_locating then
      report_scripts("new script should come from %a",scriptpath)
     end
-   elseif not (find(oldscript,file.removesuffix(newname).."$") or find(oldscript,newname.."$")) then
+   elseif not (find(oldscript,removesuffix(newname).."$") or find(oldscript,newname.."$")) then
     if trace_locating then
      report_scripts("invalid new script name")
     end
    else
-    local newdata=io.loaddata(newscript)
+    local newdata=loaddata(newscript)
     if newdata then
      if trace_locating then
       report_scripts("old script content replaced by new content: %s",oldscript)
      end
-     io.savedata(oldscript,newdata)
+     savedata(oldscript,newdata)
      break
     elseif trace_locating then
      report_scripts("unable to load new script")
@@ -24854,7 +25466,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["data-lst"] = package.loaded["data-lst"] or true
 
--- original size: 1823, stripped down to: 1542
+-- original size: 2038, stripped down to: 1696
 
 if not modules then modules={} end modules ['data-lst']={
  version=1.001,
@@ -24864,15 +25476,22 @@ if not modules then modules={} end modules ['data-lst']={
  license="see context related readme files"
 }
 local type=type
-local concat,sortedhash=table.concat,table.sortedhash
+local sortedhash=table.sortedhash
+local isdir=lfs.isdir
 local resolvers=resolvers
 local listers=resolvers.listers or {}
 resolvers.listers=listers
 local resolveprefix=resolvers.resolve
+local configurationfiles=resolvers.configurationfiles
+local expandedpathfromlist=resolvers.expandedpathfromlist
+local splitpath=resolvers.splitpath
+local knownvariables=resolvers.knownvariables
 local report_lists=logs.reporter("resolvers","lists")
 local report_resolved=logs.reporter("system","resolved")
 local function tabstr(str)
- if type(str)=='table' then
+ if not str then
+  return "unset"
+ elseif type(str)=='table' then
   return concat(str," | ")
  else
   return str
@@ -24882,22 +25501,22 @@ function listers.variables(pattern)
  local result=resolvers.knownvariables(pattern)
  for key,value in sortedhash(result) do
   report_lists(key)
-  report_lists("  env: %s",tabstr(value.environment or "unset"))
-  report_lists("  var: %s",tabstr(value.variable or "unset"))
-  report_lists("  exp: %s",tabstr(value.expansion   or "unset"))
-  report_lists("  res: %s",tabstr(value.resolved or "unset"))
+  report_lists("  env: %s",tabstr(value.environment))
+  report_lists("  var: %s",tabstr(value.variable))
+  report_lists("  exp: %s",tabstr(value.expansion))
+  report_lists("  res: %s",tabstr(value.resolved))
  end
 end
 function listers.configurations()
- local configurations=resolvers.configurationfiles()
+ local configurations=configurationfiles()
  for i=1,#configurations do
   report_resolved("file : %s",resolveprefix(configurations[i]))
  end
  report_resolved("")
- local list=resolvers.expandedpathfromlist(resolvers.splitpath(resolvers.luacnfspec))
+ local list=expandedpathfromlist(splitpath(resolvers.luacnfspec))
  for i=1,#list do
   local li=resolveprefix(list[i])
-  if lfs.isdir(li) then
+  if isdir(li) then
    report_resolved("path - %s",li)
   else
    report_resolved("path + %s",li)
@@ -24910,318 +25529,147 @@ end -- of closure
 
 do -- create closure to overcome 200 locals limit
 
-package.loaded["util-lib"] = package.loaded["util-lib"] or true
+package.loaded["libs-ini"] = package.loaded["libs-ini"] or true
 
--- original size: 16094, stripped down to: 8443
+-- original size: 5822, stripped down to: 3629
 
-if not modules then modules={} end modules ['util-lib']={
+if not modules then modules={} end modules ['libs-ini']={
  version=1.001,
  comment="companion to luat-lib.mkiv",
  author="Hans Hagen, PRAGMA-ADE, Hasselt NL",
  copyright="PRAGMA ADE / ConTeXt Development Team",
- license="see context related readme files",
+ license="see context related readme files"
 }
+local type,unpack=type,unpack
 local type=type
-local next=next
-local pcall=pcall
-local gsub=string.gsub
-local find=string.find
-local sort=table.sort
-local pathpart=file.pathpart
 local nameonly=file.nameonly
 local joinfile=file.join
-local removesuffix=file.removesuffix
 local addsuffix=file.addsuffix
-local findfile=resolvers.findfile
-local findfiles=resolvers.findfiles
-local expandpaths=resolvers.expandedpathlistfromvariable
 local qualifiedpath=file.is_qualified_path
 local isfile=lfs.isfile
-local done=false
-local function locate(required,version,trace,report,action)
- if type(required)~="string" then
-  report("provide a proper library name")
-  return
- end
- if trace then
-  report("requiring library %a with version %a",required,version or "any")
- end
- local found_library=nil
- local required_full=gsub(required,"%.","/") 
- local required_path=pathpart(required_full)
- local required_base=nameonly(required_full)
- if qualifiedpath(required) then
-  if isfile(addsuffix(required,os.libsuffix)) then
-   if trace then
-    report("qualified name %a found",required)
+local findfile=resolvers.findfile
+local expandpaths=resolvers.expandedpathlistfromvariable
+local report=logs.reporter("resolvers","libraries")
+local trace=false
+trackers.register("resolvers.lib",function(v) trace=v end)
+local function findlib(required) 
+ local suffix=os.libsuffix or "so"
+ if not qualifiedpath(required) then
+  local list=directives.value("system.librarynames" )
+  local only=nameonly(required)
+  if type(list)=="table" then
+   list=list[only]
+   if type(list)~="table" then
+    list={ only }
    end
-   found_library=required
   else
-   if trace then
-    report("qualified name %a not found",required)
-   end
+   list={ only }
   end
- else
-  local required_name=required_base.."."..os.libsuffix
-  local version=type(version)=="string" and version~="" and version or false
-  local engine="luatex"
-  if trace and not done then
-   local list=expandpaths("lib") 
-   for i=1,#list do
-      report("tds path %i: %s",i,list[i])
-   end
-  end
-  local function found(locate,asked_library,how,...)
-   if trace then
-    report("checking %s: %a",how,asked_library)
-   end
-   return locate(asked_library,...)
+  if trace then
+   report("using lookup list for library %a: % | t",only,list)
   end
-  local function check(locate,...)
-   local found=nil
-   if version then
-    local asked_library=joinfile(required_path,version,required_name)
-    if trace then
-     report("checking %s: %a","with version",asked_library)
-    end
-    found=locate(asked_library,...)
+  for i=1,#list do
+   local name=list[i]
+   local found=findfile(name,"lib")
+   if not found then
+    found=findfile(addsuffix(name,suffix),"lib")
    end
-   if not found or found=="" then
-    local asked_library=joinfile(required_path,required_name)
+   if found then
     if trace then
-     report("checking %s: %a","with version",asked_library)
+     report("library %a resolved via %a path to %a",name,"tds lib",found)
     end
-    found=locate(asked_library,...)
-   end
-   return found and found~="" and found or false
-  end
-  local function attempt(checkpattern)
-   if trace then
-    report("checking tds lib paths strictly")
-   end
-   local found=findfile and check(findfile,"lib")
-   if found and (not checkpattern or find(found,checkpattern)) then
     return found
    end
-   if trace then
-    report("checking tds lib paths with wildcard")
-   end
-   local asked_library=joinfile(required_path,".*",required_name)
-   if trace then
-    report("checking %s: %a","latest version",asked_library)
-   end
-   local list=findfiles(asked_library,"lib",true)
-   if list and #list>0 then
-    sort(list)
-    local found=list[#list]
-    if found and (not checkpattern or find(found,checkpattern)) then
-     return found
-    end
-   end
-   if trace then
-    report("checking lib paths")
-   end
-   package.extralibpath(environment.ownpath)
-   local paths=package.libpaths()
-   local pattern="/[^/]+%."..os.libsuffix.."$"
-   for i=1,#paths do
-    required_path=gsub(paths[i],pattern,"")
-    local found=check(lfs.isfound)
-    if type(found)=="string" and (not checkpattern or find(found,checkpattern)) then
-     return found
-    end
-   end
-   return false
   end
-  if engine then
-   if trace then
-    report("attemp 1, engine %a",engine)
-   end
-   found_library=attempt("/"..engine.."/")
-   if not found_library then
-    if trace then
-     report("attemp 2, no engine",asked_library)
+  if expandpaths then
+   local list=expandpaths("PATH")
+   local base=addsuffix(only,suffix)
+   for i=1,#list do
+    local full=joinfile(list[i],base)
+    local found=isfile(full) and full
+    if found then
+     if trace then
+      report("library %a resolved via %a path to %a",name,"system",found)
+     end
+     return found
     end
-    found_library=attempt()
    end
-  else
-   found_library=attempt()
   end
- end
- if not found_library then
+ elseif isfile(addsuffix(required,suffix)) then
   if trace then
-   report("not found: %a",required)
+   report("library with qualified name %a %sfound",required,"")
   end
-  library=false
+  return required
  else
   if trace then
-   report("found: %a",found_library)
-  end
-  local result,message=action(found_library,required_base)
-  if result then
-   library=result
-  else
-   library=false
-   report("load error: message %a, library %a",tostring(message or "unknown"),found_library or "no library")
+   report("library with qualified name %a %sfound",required,"not ")
   end
  end
- if trace then
-  if not library then
-   report("unknown library: %a",required)
-  else
-   report("stored library: %a",required)
-  end
- end
- return library or nil
+ return false
 end
-do
- local report_swiglib=logs.reporter("swiglib")
- local trace_swiglib=false
- local savedrequire=require
- local loadedlibs={}
- local loadlib=package.loadlib
- local pushdir=dir.push
- local popdir=dir.pop
- trackers.register("resolvers.swiglib",function(v) trace_swiglib=v end)
- function requireswiglib(required,version)
-  local library=loadedlibs[library]
-  if library==nil then
-   local trace_swiglib=trace_swiglib or package.helpers.trace
-   library=locate(required,version,trace_swiglib,report_swiglib,function(name,base)
-    pushdir(pathpart(name))
-    local opener="luaopen_"..base
-    if trace_swiglib then
-     report_swiglib("opening: %a with %a",name,opener)
-    end
-    local library,message=loadlib(name,opener)
-    local libtype=type(library)
-    if libtype=="function" then
-     library=library()
+local foundlibraries=table.setmetatableindex(function(t,k)
+ local v=findlib(k)
+ t[k]=v
+ return v
+end)
+function resolvers.findlib(required)
+ return foundlibraries[required]
+end
+local libraries={}
+resolvers.libraries=libraries
+local report=logs.reporter("optional")
+if optional then optional.loaded={} end
+function libraries.validoptional(name)
+ local thelib=optional and optional[name]
+ if not thelib then
+ elseif thelib.initialize then
+  return thelib
+ else
+  report("invalid optional library %a",libname)
+ end
+end
+function libraries.optionalloaded(name,libnames)
+ local thelib=optional and optional[name]
+ if not thelib then
+  report("no optional %a library found",name)
+ else
+  local thelib_initialize=thelib.initialize
+  if not thelib_initialize then
+   report("invalid optional library %a",name)
+  else
+   if type(libnames)=="string" then
+    libnames={ libnames }
+   end
+   if type(libnames)=="table" then
+    for i=1,#libnames do
+     local libname=libnames[i]
+     local filename=foundlibraries[libname]
+     if filename then
+      libnames[i]=filename
+     else
+      report("unable to locate library %a",libname)
+      return
+     end
+    end
+    local initialized=thelib_initialize(unpack(libnames))
+    if initialized then
+     report("using library '% + t'",libnames)
     else
-     report_swiglib("load error: %a returns %a, message %a, library %a",opener,libtype,(string.gsub(message or "no message","[%s]+$","")),found_library or "no library")
-     library=false
+     report("unable to initialize library '% + t'",libnames)
     end
-    popdir()
-    return library
-   end)
-   loadedlibs[required]=library or false
-  end
-  return library
- end
- function require(name,version)
-  if find(name,"^swiglib%.") then
-   return requireswiglib(name,version)
-  else
-   return savedrequire(name)
-  end
- end
- local swiglibs={}
- local initializer="core"
- function swiglib(name,version)
-  local library=swiglibs[name]
-  if not library then
-   statistics.starttiming(swiglibs)
-   if trace_swiglib then
-    report_swiglib("loading %a",name)
-   end
-   if not find(name,"%."..initializer.."$") then
-    fullname="swiglib."..name.."."..initializer
-   else
-    fullname="swiglib."..name
+    return initialized
    end
-   library=requireswiglib(fullname,version)
-   swiglibs[name]=library
-   statistics.stoptiming(swiglibs)
   end
-  return library
  end
- statistics.register("used swiglibs",function()
-  if next(swiglibs) then
-   return string.format("%s, initial load time %s seconds",table.concat(table.sortedkeys(swiglibs)," "),statistics.elapsedtime(swiglibs))
-  end
- end)
 end
 if FFISUPPORTED and ffi and ffi.load then
- local report_ffilib=logs.reporter("ffilib")
- local trace_ffilib=false
- local savedffiload=ffi.load
- trackers.register("resolvers.ffilib",function(v) trace_ffilib=v end)
- local loaded={}
- local function locateindeed(name)
-  name=removesuffix(name)
-  local l=loaded[name]
-  if l==nil then
-   local state,library=pcall(savedffiload,name)
-   if type(library)=="userdata" then
-    l=library
-   elseif type(state)=="userdata" then
-    l=state
-   else
-    l=false
-   end
-   loaded[name]=l
-  elseif trace_ffilib then
-   report_ffilib("reusing already loaded %a",name)
-  end
-  return l
- end
- local function getlist(required)
-  local list=directives.value("system.librarynames" )
-  if type(list)=="table" then
-   list=list[required]
-   if type(list)=="table" then
-    if trace then
-     report("using lookup list for library %a: % | t",required,list)
-    end
-    return list
-   end
-  end
-  return { required }
- end
- function ffilib(name,version)
-  name=removesuffix(name)
-  local l=loaded[name]
-  if l~=nil then
-   if trace_ffilib then
-    report_ffilib("reusing already loaded %a",name)
-   end
-   return l
-  end
-  local list=getlist(name)
-  if version=="system" then
-   for i=1,#list do
-    local library=locateindeed(list[i])
-    if type(library)=="userdata" then
-     return library
-    end
-   end
-  else
-   for i=1,#list do
-    local library=locate(list[i],version,trace_ffilib,report_ffilib,locateindeed)
-    if type(library)=="userdata" then
-     return library
-    end
-   end
-  end
- end
+ local ffiload=ffi.load
  function ffi.load(name)
-  local list=getlist(name)
-  for i=1,#list do
-   local library=ffilib(list[i])
-   if type(library)=="userdata" then
-    return library
-   end
-  end
-  if trace_ffilib then
-   report_ffilib("trying to load %a using normal loader",name)
-  end
-  for i=1,#list do
-   local state,library=pcall(savedffiload,list[i])
-   if type(library)=="userdata" then
-    return library
-   elseif type(state)=="userdata" then
-    return library
-   end
+  local full=name and foundlibraries[name]
+  if full then
+   return ffiload(full)
+  else
+   return ffiload(name)
   end
  end
 end
@@ -25336,7 +25784,7 @@ do -- create closure to overcome 200 locals limit
 
 package.loaded["luat-fmt"] = package.loaded["luat-fmt"] or true
 
--- original size: 9637, stripped down to: 7253
+-- original size: 13964, stripped down to: 10026
 
 if not modules then modules={} end modules ['luat-fmt']={
  version=1.001,
@@ -25350,16 +25798,14 @@ local concat=table.concat
 local quoted=string.quoted
 local luasuffixes=utilities.lua.suffixes
 local report_format=logs.reporter("resolvers","formats")
-local function primaryflags()
- local arguments=environment.arguments
+local function primaryflags(arguments)
  local flags={}
  if arguments.silent then
   flags[#flags+1]="--interaction=batchmode"
  end
  return concat(flags," ")
 end
-local function secondaryflags()
- local arguments=environment.arguments
+local function secondaryflags(arguments)
  local trackers=arguments.trackers
  local directives=arguments.directives
  local flags={}
@@ -25381,6 +25827,9 @@ local function secondaryflags()
  if arguments.ansi then
   flags[#flags+1]="--c:ansi"
  end
+ if arguments.ansilog then
+  flags[#flags+1]="--c:ansilog"
+ end
  if arguments.strip then
   flags[#flags+1]="--c:strip"
  end
@@ -25391,12 +25840,13 @@ local function secondaryflags()
 end
 local template=[[--ini %primaryflags% --lua=%luafile% %texfile% %secondaryflags% %dump% %redirect%]]
 local checkers={
- primaryflags="string",
- secondaryflags="string",
+ primaryflags="verbose",
+ secondaryflags="verbose",
  luafile="readable",
  texfile="readable",
  redirect="string",
  dump="string",
+ binarypath="string",
 }
 local runners={
  luatex=sandbox.registerrunner {
@@ -25421,46 +25871,88 @@ local runners={
   reporter=report_format,
  },
 }
-function environment.make_format(name,arguments)
+local function validbinarypath()
+ if not environment.arguments.nobinarypath then
+  local path=environment.ownpath or file.dirname(environment.ownname)
+  if path and path~="" then
+   path=dir.expandname(path)
+   if path~="" and lfs.isdir(path) then
+    return path
+   end
+  end
+ end
+end
+function environment.make_format(formatname)
+ local arguments=environment.arguments
  local engine=environment.ownmain or "luatex"
- local silent=environment.arguments.silent
- local errors=environment.arguments.errors
- local olddir=dir.current()
- local path=caches.getwritablepath("formats",engine) or "" 
- if path~="" then
-  lfs.chdir(path)
- end
- report_format("using format path %a",dir.current())
- local texsourcename=file.addsuffix(name,"mkiv")
- local fulltexsourcename=resolvers.findfile(texsourcename,"tex") or ""
+ local silent=arguments.silent
+ local errors=arguments.errors
+ local texsourcename=""
+ local texsourcepath=""
+ local fulltexsourcename=""
+ if engine=="luametatex" then
+  texsourcename=file.addsuffix(formatname,"mkxl")
+  fulltexsourcename=resolvers.findfile(texsourcename,"tex") or ""
+ end
+ if fulltexsourcename=="" then
+  texsourcename=file.addsuffix(formatname,"mkiv")
+  fulltexsourcename=resolvers.findfile(texsourcename,"tex") or ""
+ end
  if fulltexsourcename=="" then
-  texsourcename=file.addsuffix(name,"tex")
+  texsourcename=file.addsuffix(formatname,"tex")
   fulltexsourcename=resolvers.findfile(texsourcename,"tex") or ""
  end
  if fulltexsourcename=="" then
-  report_format("no tex source file with name %a (mkiv or tex)",name)
-  lfs.chdir(olddir)
+  report_format("no tex source file with name %a (mkiv or tex)",formatname)
   return
- else
-  report_format("using tex source file %a",fulltexsourcename)
  end
- local texsourcepath=dir.expandname(file.dirname(fulltexsourcename))
- local specificationname=file.replacesuffix(fulltexsourcename,"lus")
- local fullspecificationname=resolvers.findfile(specificationname,"tex") or ""
- if fullspecificationname=="" then
-  specificationname=file.join(texsourcepath,"context.lus")
-  fullspecificationname=resolvers.findfile(specificationname,"tex") or ""
+ report_format("using tex source file %a",fulltexsourcename)
+ fulltexsourcename=dir.expandname(fulltexsourcename)
+ texsourcepath=file.dirname(fulltexsourcename)
+ if not lfs.isfile(fulltexsourcename) then
+  report_format("no accessible tex source file with name %a",fulltexsourcename)
+  return
  end
+ local specificationname="context.lus"
+ local specificationpath=""
+ local fullspecificationname=resolvers.findfile(specificationname) or ""
  if fullspecificationname=="" then
-  report_format("unknown stub specification %a",specificationname)
-  lfs.chdir(olddir)
+  report_format("unable to locate specification file %a",specificationname)
+  return
+ end
+ report_format("using specification file %a",fullspecificationname)
+ fullspecificationname=dir.expandname(fullspecificationname)
+ specificationpath=file.dirname(fullspecificationname)
+ if texsourcepath~=specificationpath then
+  report_format("tex source file and specification file are on different paths")
+  return
+ end
+ if not lfs.isfile(fulltexsourcename) then
+  report_format("no accessible tex source file with name %a",fulltexsourcename)
+  return
+ end
+ if not lfs.isfile(fullspecificationname) then
+  report_format("no accessible specification file with name %a",fulltexsourcename)
+  return
+ end
+ report_format("using tex source path %a",texsourcepath)
+ local validformatpath=caches.getwritablepath("formats",engine) or ""
+ local startupdir=dir.current()
+ if validformatpath=="" then
+  report_format("invalid format path, insufficient write access")
+  return
+ end
+ local binarypath=validbinarypath()
+ report_format("changing to format path %a",validformatpath)
+ lfs.chdir(validformatpath)
+ if dir.current()~=validformatpath then
+  report_format("unable to change to format path %a",validformatpath)
   return
  end
- local specificationpath=file.dirname(fullspecificationname)
  local usedluastub=nil
  local usedlualibs=dofile(fullspecificationname)
  if type(usedlualibs)=="string" then
-  usedluastub=file.join(file.dirname(fullspecificationname),usedlualibs)
+  usedluastub=file.join(specificationpath,usedlualibs)
  elseif type(usedlualibs)=="table" then
   report_format("using stub specification %a",fullspecificationname)
   local texbasename=file.basename(name)
@@ -25477,48 +25969,57 @@ function environment.make_format(name,arguments)
   end
  else
   report_format("invalid stub specification %a",fullspecificationname)
-  lfs.chdir(olddir)
+  lfs.chdir(startupdir)
   return
  end
+ local runner=runners[engine]
+ if not runner then
+  report_format("the format %a cannot be generated, no runner available for engine %a",name,engine)
+  lfs.chdir(startupdir)
+  return
+ end
+ local primaryflags=primaryflags(arguments)
+ local secondaryflags=secondaryflags(arguments)
  local specification={
-  primaryflags=primaryflags(),
-  secondaryflags=secondaryflags(),
+  binarypath=binarypath,
+  primaryflags=primaryflags,
+  secondaryflags=secondaryflags,
   luafile=quoted(usedluastub),
   texfile=quoted(fulltexsourcename),
   dump=os.platform=="unix" and "\\\\dump" or "\\dump",
  }
- local runner=runners[engine]
- if not runner then
-  report_format("format %a cannot be generated, no runner available for engine %a",name,engine)
- elseif silent then
-  statistics.starttiming()
+ if silent then
   specification.redirect="> temp.log"
-  local result=runner(specification)
-  local runtime=statistics.stoptiming()
-  if result~=0 then
-   print(format("%s silent make > fatal error when making format %q",engine,name)) 
-  else
-   print(format("%s silent make > format %q made in %.3f seconds",engine,name,runtime)) 
-  end
+ end
+ statistics.starttiming()
+ local result=runner(specification)
+ local runtime=statistics.stoptiming()
+ if silent then
   os.remove("temp.log")
- else
-  runner(specification)
  end
- local pattern=file.removesuffix(file.basename(usedluastub)).."-*.mem"
- local mp=dir.glob(pattern)
- if mp then
-  for i=1,#mp do
-   local name=mp[i]
-   report_format("removing related mplib format %a",file.basename(name))
-   os.remove(name)
+ report_format()
+  if binarypath and binarypath~="" then
+ report_format("binary path      : %s",binarypath or "?")
   end
- end
- lfs.chdir(olddir)
+ report_format("format path      : %s",validformatpath)
+ report_format("luatex engine    : %s",engine)
+ report_format("lua startup file : %s",usedluastub)
+  if primaryflags~="" then
+ report_format("primary flags    : %s",primaryflags)
+  end
+  if secondaryflags~="" then
+ report_format("secondary flags  : %s",secondaryflags)
+  end
+ report_format("context file     : %s",fulltexsourcename)
+ report_format("run time         : %.3f seconds",runtime)
+ report_format("return value     : %s",result==0 and "okay" or "error")
+ report_format()
+ lfs.chdir(startupdir)
 end
-local template=[[%flags% --fmt=%fmtfile% --lua=%luafile% %texfile% %more%]]
+local template=[[%primaryflags% --fmt=%fmtfile% --lua=%luafile% %texfile% %secondaryflags%]]
 local checkers={
- flags="string",
- more="string",
+ primaryflags="verbose",
+ secondaryflags="verbose",
  fmtfile="readable",
  luafile="readable",
  texfile="readable",
@@ -25531,6 +26032,13 @@ local runners={
   checkers=checkers,
   reporter=report_format,
  },
+ luametatex=sandbox.registerrunner {
+  name="run luametatex format",
+  program="luametatex",
+  template=template,
+  checkers=checkers,
+  reporter=report_format,
+ },
  luajittex=sandbox.registerrunner {
   name="run luajittex format",
   program="luajittex",
@@ -25539,51 +26047,78 @@ local runners={
   reporter=report_format,
  },
 }
-function environment.run_format(name,data,more)
- if name and name~="" then
-  local engine=environment.ownmain or "luatex"
-  local barename=file.removesuffix(name)
-  local fmtname=caches.getfirstreadablefile(file.addsuffix(barename,"fmt"),"formats",engine)
-  if fmtname=="" then
-   fmtname=resolvers.findfile(file.addsuffix(barename,"fmt")) or ""
-  end
-  fmtname=resolvers.cleanpath(fmtname)
-  if fmtname=="" then
-   report_format("no format with name %a",name)
-  else
-   local barename=file.removesuffix(name) 
-   local luaname=file.addsuffix(barename,"luc")
-   if not lfs.isfile(luaname) then
-    luaname=file.addsuffix(barename,"lua")
-   end
-   if not lfs.isfile(luaname) then
-    report_format("using format name %a",fmtname)
-    report_format("no luc/lua file with name %a",barename)
-   else
-    local runner=runners[engine]
-    if not runner then
-     report_format("format %a cannot be run, no runner available for engine %a",name,engine)
-    else
-     runner {
-      flags=primaryflags(),
-      fmtfile=quoted(barename),
-      luafile=quoted(luaname),
-      texfile=quoted(data),
-      more=more,
-     }
-    end
-   end
-  end
+function environment.run_format(formatname,scriptname,filename,primaryflags,secondaryflags,verbose)
+ local engine=environment.ownmain or "luatex"
+ if not formatname or formatname=="" then
+  report_format("missing format name")
+  return
+ end
+ if not scriptname or scriptname=="" then
+  report_format("missing script name")
+  return
+ end
+ if not lfs.isfile(formatname) or not lfs.isfile(scriptname) then
+  formatname,scriptname=resolvers.locateformat(formatname)
  end
+ if not formatname or formatname=="" then
+  report_format("invalid format name")
+  return
+ end
+ if not scriptname or scriptname=="" then
+  report_format("invalid script name")
+  return
+ end
+ local runner=runners[engine]
+ if not runner then
+  report_format("format %a cannot be run, no runner available for engine %a",file.nameonly(name),engine)
+  return
+ end
+ if not filename then
+  filename ""
+ end
+ local binarypath=validbinarypath()
+ local specification={
+  binarypath=binarypath,
+  primaryflags=primaryflags or "",
+  secondaryflags=secondaryflags or "",
+  fmtfile=quoted(formatname),
+  luafile=quoted(scriptname),
+  texfile=filename~="" and quoted(filename) or "",
+ }
+ statistics.starttiming()
+ local result=runner(specification)
+ local runtime=statistics.stoptiming()
+ if verbose then
+  report_format()
+   if binarypath and binarypath~="" then
+  report_format("binary path      : %s",binarypath)
+   end
+  report_format("luatex engine    : %s",engine)
+  report_format("lua startup file : %s",scriptname)
+  report_format("tex format file  : %s",formatname)
+   if filename~="" then
+  report_format("tex input file   : %s",filename)
+   end
+   if primaryflags~="" then
+  report_format("primary flags    : %s",primaryflags)
+   end
+   if secondaryflags~="" then
+  report_format("secondary flags  : %s",secondaryflags)
+   end
+  report_format("run time         : %.3f seconds",runtime)
+  report_format("return value     : %s",result==0 and "okay" or "error")
+  report_format()
+ end
+ return result
 end
 
 
 end -- of closure
 
--- used libraries    : l-bit32.lua l-lua.lua l-macro.lua l-sandbox.lua l-package.lua l-lpeg.lua l-function.lua l-string.lua l-table.lua l-io.lua l-number.lua l-set.lua l-os.lua l-file.lua l-gzip.lua l-md5.lua l-sha.lua l-url.lua l-dir.lua l-boolean.lua l-unicode.lua l-math.lua util-str.lua util-tab.lua util-fil.lua util-sac.lua util-sto.lua util-prs.lua util-fmt.lua util-soc-imp-reset.lua util-soc-imp-socket.lua util-soc-imp-copas.lua util-soc-imp-ltn12.lua util-soc-imp-mime.lua util-soc-imp-url.lua util-soc-imp-headers.lua util-soc-imp-tp.lua util-soc-imp-http.lua util-soc-imp-ftp.lua util-soc-imp-smtp.lua trac-set.lua trac-log.lua trac-inf.lua trac-pro.lua util-lua.lua util-deb.lua util-tpl.lua util-sbx.lua util-mrg.lua util-env.lua luat-env.lua util-zip.lua lxml-tab.lua lxml-lpt.lua lxml-mis.lua lxml-aux.lua lxml-xml.lua trac-xml.lua data-ini.lua data-exp.lua data-env.lua data-tmp.lua data-met.lua data-res.lua data-pre.lua data-inp.lua data-out.lua data-fil.lua data-con.lua data-use.lua data-zip.lua data-tre.lua data-sch.lua data-lua.lua data-aux.lua data-tmf.lua data-lst.lua util-lib.lua luat-sta.lua luat-fmt.lua
+-- used libraries    : l-bit32.lua l-lua.lua l-macro.lua l-sandbox.lua l-package.lua l-lpeg.lua l-function.lua l-string.lua l-table.lua l-io.lua l-number.lua l-set.lua l-os.lua l-file.lua l-gzip.lua l-md5.lua l-sha.lua l-url.lua l-dir.lua l-boolean.lua l-unicode.lua l-math.lua util-str.lua util-tab.lua util-fil.lua util-sac.lua util-sto.lua util-prs.lua util-fmt.lua util-soc-imp-reset.lua util-soc-imp-socket.lua util-soc-imp-copas.lua util-soc-imp-ltn12.lua util-soc-imp-mime.lua util-soc-imp-url.lua util-soc-imp-headers.lua util-soc-imp-tp.lua util-soc-imp-http.lua util-soc-imp-ftp.lua util-soc-imp-smtp.lua trac-set.lua trac-log.lua trac-inf.lua trac-pro.lua util-lua.lua util-deb.lua util-tpl.lua util-sbx.lua util-mrg.lua util-env.lua luat-env.lua util-zip.lua lxml-tab.lua lxml-lpt.lua lxml-mis.lua lxml-aux.lua lxml-xml.lua trac-xml.lua data-ini.lua data-exp.lua data-env.lua data-tmp.lua data-met.lua data-res.lua data-pre.lua data-inp.lua data-out.lua data-fil.lua data-con.lua data-use.lua data-zip.lua data-tre.lua data-sch.lua data-lua.lua data-aux.lua data-tmf.lua data-lst.lua libs-ini.lua luat-sta.lua luat-fmt.lua
 -- skipped libraries : -
--- original bytes    : 1019480
--- stripped bytes    : 403728
+-- original bytes    : 1038245
+-- stripped bytes    : 409841
 
 -- end library merge
 
@@ -25697,7 +26232,7 @@ local ownlibs = { -- order can be made better
     'data-tmf.lua',
     'data-lst.lua',
 
-    'util-lib.lua', -- swiglib
+    'libs-ini.lua',
 
     'luat-sta.lua',
     'luat-fmt.lua',
@@ -25846,7 +26381,7 @@ local helpinfo = [[
   <category name="basic">
    <subcategory>
     <flag name="script"><short>run an mtx script (lua prefered method) (<ref name="noquotes"/>), no script gives list</short></flag>
-    <flag name="evaluate"><short>run code passed on the commandline (between quotes)</short></flag>
+    <flag name="evaluate"><short>run code passed on the commandline (between quotes) (=loop) (exit|quit aborts)</short></flag>
     <flag name="execute"><short>run a script or program (texmfstart method) (<ref name="noquotes"/>)</short></flag>
     <flag name="resolve"><short>resolve prefixed arguments</short></flag>
     <flag name="ctxlua"><short>run internally (using preloaded libs)</short></flag>
@@ -25865,6 +26400,7 @@ local helpinfo = [[
     <flag name="stubpath" value="binpath"><short>paths where stubs wil be written</short></flag>
     <flag name="windows"><short>create windows (mswin) stubs</short></flag>
     <flag name="unix"><short>create unix (linux) stubs</short></flag>
+    <flag name="addbinarypath"><short>prepend the (found) binarypath to runners</short></flag>
    </subcategory>
    <subcategory>
     <flag name="verbose"><short>give a bit more info</short></flag>
@@ -26086,8 +26622,7 @@ end
                         report()
                         io.flush()
                     end
-                    -- no os.exec because otherwise we get the wrong return value
-                    local code = os.execute(command) -- maybe spawn
+                    local code = os.execute(command)
                     if code == 0 then
                         return true
                     else
@@ -26130,7 +26665,7 @@ function runners.execute_program(fullname)
             report()
             report()
             io.flush()
-            local code = os.exec(command) -- (fullname,unpack(after)) does not work / maybe spawn
+            local code = os.execute(command)
             return code == 0
         end
     end
@@ -26517,16 +27052,22 @@ function runners.associate(filename)
 end
 
 function runners.evaluate(code,filename) -- for Luigi
+    local environment = table.setmetatableindex(_G)
     if code == "loop" then
         while true do
-            io.write("> ")
+            io.write("lua > ")
             local code = io.read()
-            if code ~= "" then
+            if code == "quit" or code == "exit"  then
+                break
+            elseif code ~= "" then
                 local temp = string.match(code,"^= (.*)$")
                 if temp then
-                    code = "print("..temp..")"
+                    code = "inspect("..temp..")"
+                end
+                local compiled, message = load(code,"console","t",environment)
+                if type(compiled) ~= "function" then
+                    compiled = load("inspect("..code..")","console","t",environment)
                 end
-                local compiled, message = loadstring(code)
                 if type(compiled) ~= "function" then
                     io.write("! " .. (message or code).."\n")
                 else
@@ -26539,7 +27080,10 @@ function runners.evaluate(code,filename) -- for Luigi
             code = filename
         end
         if code ~= "" then
-            local compiled, message = loadstring(code)
+            local compiled, message = load(code,"console","t",environment)
+            if type(compiled) ~= "function" then
+                compiled = load("inspect("..code..")","console","t",environment)
+            end
             if type(compiled) ~= "function" then
                 io.write("invalid lua code: " .. (message or code))
                 return
@@ -26716,17 +27260,17 @@ do
 
 end
 
-if e_argument("ansi") then
+-- if e_argument("ansi") or e_argument("ansilog") then
 
-    logs.setformatters("ansi")
+--     logs.setformatters(e_argument("ansi") and "ansi" or "ansilog")
 
-    local script = e_argument("script") or e_argument("scripts")
+--  -- local script = e_argument("script") or e_argument("scripts")
+--  --
+--  -- if type(script) == "string" then
+--  --     logs.writer("]0;"..script.."") -- for Alan to test
+--  -- end
 
-    if type(script) == "string" then
-        logs.writer("]0;"..script.."") -- for Alan to test
-    end
-
-end
+-- end
 
 if e_argument("script") or e_argument("scripts") then
 
@@ -26975,11 +27519,11 @@ elseif e_argument("format-path") then
     resolvers.load()
     report(caches.getwritablepath("format"))
 
-elseif e_argument("pattern") then
-
-    -- luatools
-
-    runners.execute_ctx_script("mtx-base","--pattern='" .. e_argument("pattern") .. "'",filename)
+-- elseif e_argument("pattern") then
+--
+--     -- luatools
+--
+--     runners.execute_ctx_script("mtx-base","--pattern='" .. e_argument("pattern") .. "'",filename)
 
 elseif e_argument("generate") then