polyglossia (20may13)

git-svn-id: svn://tug.org/texlive/trunk@30596 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 330 insertions, 22 deletions

diff --git a/Master/texmf-dist/source/latex/polyglossia/polyglossia.dtx b/Master/texmf-dist/source/latex/polyglossia/polyglossia.dtx
index c6f6f4bf5a1..4800ec29d70 100644
--- a/Master/texmf-dist/source/latex/polyglossia/polyglossia.dtx
+++ b/Master/texmf-dist/source/latex/polyglossia/polyglossia.dtx
@@ -11,7 +11,7 @@
 
    ¦----------------------------------------------¦
    ¦                                              ¦
-   ¦       THE POLYGLOSSIA PACKAGE v1.32.0        ¦
+   ¦       THE POLYGLOSSIA PACKAGE v1.33.0        ¦
    ¦                                              ¦
    ¦     Modern multilingual typesetting          ¦
    ¦        with XeLaTeX and LuaLaTeX             ¦
@@ -64,6 +64,11 @@ http://github.com/reutenauer/polyglossia/issues
 
 CHANGES
 
+1.33.0 (20-05-2013)
+  * Added support for N’Ko.
+  * Bugfixes for LuaTeX
+  * More work in progress on Bidi in LuaTeX.
+
 1.32.0 (15-05-2013)
   Transitional version to support right-to-left languages with LuaTeX.
 
@@ -318,6 +323,7 @@ CHANGES
 \generate{\file{gloss-magyar.ldf}{\from{polyglossia.dtx}{gloss-magyar.ldf}}}
 \generate{\file{gloss-malayalam.ldf}{\from{polyglossia.dtx}{gloss-malayalam.ldf}}}
 \generate{\file{gloss-marathi.ldf}{\from{polyglossia.dtx}{gloss-marathi.ldf}}}
+\generate{\file{gloss-nko.ldf}{\from{polyglossia.dtx}{gloss-nko.ldf}}}
 \generate{\file{gloss-norsk.ldf}{\from{polyglossia.dtx}{gloss-norsk.ldf}}}
 \generate{\file{gloss-nynorsk.ldf}{\from{polyglossia.dtx}{gloss-nynorsk.ldf}}}
 \generate{\file{gloss-occitan.ldf}{\from{polyglossia.dtx}{gloss-occitan.ldf}}}
@@ -354,6 +360,7 @@ CHANGES
 \generate{\file{thaidigits.map}{\from{polyglossia.dtx}{thaidigits.map}}}
 \def\MetaPrefix{-- }
 \generate{\file{polyglossia-frpt.lua}{\from{polyglossia.dtx}{polyglossia-frpt.lua}}}
+\generate{\file{polyglossia-tibt.lua}{\from{polyglossia.dtx}{polyglossia-tibt.lua}}}
 \generate{\file{polyglossia.lua}{\from{polyglossia.dtx}{polyglossia.lua}}}
 \let\MetaPrefix\DoubleperCent
 %</batchfile>
@@ -1423,6 +1430,12 @@ CHANGES
 % \subsection{gloss-arabic.ldf}
 %    \begin{macrocode}
 \ProvidesFile{gloss-arabic.ldf}[polyglossia: module for arabic]
+\ifluatex
+  \xpg@warning{Arabic is not supported with LuaTeX.\MessageBreak
+I will proceed with the compilation, but\MessageBreak
+the output is not guaranteed to be correct\MessageBreak
+and may look very wrong.}
+\fi
 \RequirePackage{bidi}
 \RequirePackage{arabicnumbers}
 \RequirePackage{hijrical}
@@ -1918,6 +1931,12 @@ CHANGES
 % TODO implement Bengali calendar
 
 \ProvidesFile{gloss-bengali.ldf}[polyglossia: module for bengali]
+\ifluatex
+  \xpg@warning{Bengali is not supported with LuaTeX.\MessageBreak
+I will proceed with the compilation, but\MessageBreak
+the output is not guaranteed to be correct\MessageBreak
+and may look very wrong.}
+\fi
 \RequirePackage{devanagaridigits}
 
 \PolyglossiaSetup{bengali}{
@@ -2574,6 +2593,12 @@ CHANGES
 % \subsection{gloss-divehi.ldf}
 %    \begin{macrocode}
 \ProvidesFile{gloss-divehi.ldf}[polyglossia: module for divehi]
+\ifluatex
+  \xpg@warning{Divehi is not supported with LuaTeX.\MessageBreak
+I will proceed with the compilation, but\MessageBreak
+the output is not guaranteed to be correct\MessageBreak
+and may look very wrong.}
+\fi
 \RequirePackage{bidi}
 \PolyglossiaSetup{divehi}{
   script=Thaana,
@@ -2954,6 +2979,12 @@ CHANGES
 % \subsection{gloss-farsi.ldf}
 %    \begin{macrocode}
 \ProvidesFile{gloss-farsi.ldf}[polyglossia: module for farsi]
+\ifluatex
+  \xpg@warning{Farsi is not supported with LuaTeX.\MessageBreak
+I will proceed with the compilation, but\MessageBreak
+the output is not guaranteed to be correct\MessageBreak
+and may look very wrong.}
+\fi
 \RequirePackage{bidi}
 \RequirePackage{arabicnumbers}
 \RequirePackage{farsical}
@@ -3148,7 +3179,6 @@ CHANGES
 \ifluatex
   \newluatexattribute\xpg@frpt %
   \directlua{polyglossia.load_frpt()}%
-  \global\newcount\xpg@interchartokenstate %
 \else
   \newXeTeXintercharclass\french@punctthin % ! ? ; et autres
   \newXeTeXintercharclass\french@punctthick % :
@@ -3567,7 +3597,9 @@ CHANGES
   % LuaTeX
   % \let\pattname{\if@german@oldspelling\else n\fi german\ifgerman@latesthyphen -x-latest\fi}
   % \xpg@set@language@luatex@ii{\pattname}}
-  \if@german@oldspelling\xpg@set@language@luatex@ii{german}\else\xpg@set@language@luatex@ii{ngerman}\fi}
+  \ifgerman@latesthyphen
+    \if@german@oldspelling\xpg@set@language@luatex@ii{german-x-latest}\else\xpg@set@language@luatex@ii{ngerman-x-latest}\fi
+    \else\if@german@oldspelling\xpg@set@language@luatex@ii{german}\else\xpg@set@language@luatex@ii{ngerman}\fi\fi}
 
 \def\noextras@german{%
   \nogerman@shorthands%
@@ -3944,6 +3976,12 @@ CHANGES
 % \subsection{gloss-hebrew.ldf}
 %    \begin{macrocode}
 \ProvidesFile{gloss-hebrew.ldf}[polyglossia: module for hebrew]
+\ifluatex
+  \xpg@warning{Hebrew is not supported with LuaTeX.\MessageBreak
+I will proceed with the compilation, but\MessageBreak
+the output is not guaranteed to be correct\MessageBreak
+and may look very wrong.}
+\fi
 \RequirePackage{bidi}
 \RequirePackage{hebrewcal}
 
@@ -4090,6 +4128,12 @@ CHANGES
 % Velthuis Devanagari project: http://devnag.sarovar.org.
 
 \ProvidesFile{gloss-hindi.ldf}[polyglossia: module for hindi]
+\ifluatex
+  \xpg@warning{Hindi is not supported with LuaTeX.\MessageBreak
+I will proceed with the compilation, but\MessageBreak
+the output is not guaranteed to be correct\MessageBreak
+and may look very wrong.}
+\fi
 \RequirePackage{devanagaridigits}
 \PolyglossiaSetup{hindi}{
   script=Devanagari,
@@ -4497,6 +4541,12 @@ CHANGES
 %
 % This work consists of the file gloss-kannada.ldf
 \ProvidesFile{gloss-kannada.ldf}[polyglossia: module for kannada]
+\ifluatex
+  \xpg@warning{Kannada is not supported with LuaTeX.\MessageBreak
+I will proceed with the compilation, but\MessageBreak
+the output is not guaranteed to be correct\MessageBreak
+and may look very wrong.}
+\fi
 \PolyglossiaSetup{kannada}{
   script=Kannada,
   scripttag=knda,
@@ -4590,6 +4640,12 @@ CHANGES
 % \subsection{gloss-lao.ldf}
 %    \begin{macrocode}
 \ProvidesFile{gloss-lao.ldf}[polyglossia: module for Lao]
+\ifluatex
+  \xpg@warning{Lao is not supported with LuaTeX.\MessageBreak
+I will proceed with the compilation, but\MessageBreak
+the output is not guaranteed to be correct\MessageBreak
+and may look very wrong.}
+\fi
 \PolyglossiaSetup{lao}{
   script=Lao,
   scripttag=lao,
@@ -4977,6 +5033,12 @@ CHANGES
 % \subsection{gloss-malayalam.ldf}
 %    \begin{macrocode}
 \ProvidesFile{gloss-malayalam.ldf}[polyglossia: module for malayalam]
+\ifluatex
+  \xpg@warning{Malayalam is not supported with LuaTeX.\MessageBreak
+I will proceed with the compilation, but\MessageBreak
+the output is not guaranteed to be correct\MessageBreak
+and may look very wrong.}
+\fi
 % Translations provided by Kevin & Siji, 01-11-2009
 
 \PolyglossiaSetup{malayalam}{
@@ -5041,6 +5103,12 @@ CHANGES
 % TODO implement Hindu calendar (not used in day-to-day practice)
 
 \ProvidesFile{gloss-marathi.ldf}[polyglossia: module for marathi]
+\ifluatex
+  \xpg@warning{Marathi is not supported with LuaTeX.\MessageBreak
+I will proceed with the compilation, but\MessageBreak
+the output is not guaranteed to be correct\MessageBreak
+and may look very wrong.}
+\fi
 \RequirePackage{devanagaridigits}
 
 \PolyglossiaSetup{marathi}{
@@ -5117,6 +5185,72 @@ CHANGES
 %    \end{macrocode}
 % \iffalse
 %</gloss-marathi.ldf>
+%<*gloss-nko.ldf>
+% \fi
+% \clearpage
+% 
+% \subsection{gloss-nko.ldf}
+%    \begin{macrocode}
+\ProvidesFile{gloss-nko.ldf}[Polyglossia: module for N’Ko v0.1 2013/05/19]
+\PolyglossiaSetup{nko}{%
+  script=N'ko,
+  scripttag=nko~,
+  fontsetup=true,
+  hyphennames={nohyphenation},
+  direction=RL
+}
+\RequirePackage{nkonumbers}%
+
+\def\captionsnko{%
+  \def\prefacename{ߢߍߛߓߍ}%
+  \def\refname{ߞߐߡߊߛߙߋ}%
+  \def\abstractname{ߓߊߕߐߡߐ߲}%
+  \def\bibname{ߟߍߙߊߥߙߍߟߐ߲߲}%
+  \def\chaptername{ߛߌ߰ߘߊ}%
+  \def\appendixname{ߘߋ߬ߙߋ}%
+  \def\contentsname{ߞߣߐߘߐ}%
+  \def\listfigurename{ߢߊ ߟߎ߬ ߛߙߍߘߍ}%
+  \def\listtablename{ߦߌ߬ߘߊ߬ߥߟߊ ߟߎ߬ ߛߙߍߘߍ}%
+  \def\indexname{ߛߙߍߘߍ}%
+  \def\figurename{ߢߊ}%
+  \def\tablename{ߦߌ߬ߘߊ߬ߥߟߊ}%
+  \def\partname{ߛߌ߰ߘߊ߬ߙߋ߲}%
+  \def\enclname{ߝߍ߬ߕߊ}%
+  \def\ccname{ߓߊ ߘߏ߫ ߘߌ߫}%
+  \def\headtoname{ߞߊߕߙߍ߬}%
+  \def\pagename{ߞߐߜߍ}%
+  \def\seename{ߡߊߝߟߍ߫}%
+  \def\alsoname{ߝߟߍߡߊߛߊ߬ߦߌ߬}%
+  \def\proofname{ߦߌ߬ߘߊ߬ߞߏ}%
+  \def\glossaryname{ߞߘߐߝߐߟߊ߲}%
+}%
+
+% In n'ko, this is an example of date :
+% ߂߀߁߃ ߞߏ߲ߞߏߜߍ ߕߟߋ߬ ߁߈ (RTL)
+% ( 18 February 2013 )
+% The word "ߕߟߋ߬" is mandatory between month name and day number.
+
+\def\datenko{%
+  \def\today{\nkonumber{\day}\space ߕߟߋ߬\space\ifcase\month\or
+ߓߌ߲ߠߊߥߎߟߋ߲\or
+ߞߏ߲ߞߏߜߍ\or
+ߕߙߊߓߊ\or
+ߞߏ߲ߞߏߘߌ߬ߓߌ\or
+ߘߓߊ߬ߕߊ\or
+ߥߊ߬ߛߌߥߊ߬ߙߊ\or
+ߞߊ߬ߙߌߝߐ߭\or
+ߘߓߊ߬ߓߌߟߊ\or
+ߕߎߟߊߝߌ߲\or
+ߞߏ߲ߓߌߕߌ߮\or
+ߣߍߣߍߓߊ\or
+ߞߏ߬ߟߌ߲߬ߞߏߟߌ߲\fi
+\space\nkonumber{\year}
+  }%
+}%
+
+%    \end{macrocode}
+% \iffalse
+%</gloss-nko.ldf>
 %<*gloss-norsk.ldf>
 % \fi
 % \clearpage
@@ -6382,7 +6516,7 @@ CHANGES
     januari\or februari\or mars\or april\or maj\or juni\or
     juli\or augusti\or september\or oktober\or november\or
     december\fi
-    \space\number\year}
+    \space\number\year}%
     \def\datesymd{%
       \def\today{\number\year-\two@digits\month-\two@digits\day}}%
     \def\datesdmy{%
@@ -6399,6 +6533,12 @@ CHANGES
 % \subsection{gloss-syriac.ldf}
 %    \begin{macrocode}
 \ProvidesFile{gloss-syriac.ldf}[polyglossia: module for syriac]
+\ifluatex
+  \xpg@warning{Syriac is not supported with LuaTeX.\MessageBreak
+I will proceed with the compilation, but\MessageBreak
+the output is not guaranteed to be correct\MessageBreak
+and may look very wrong.}
+\fi
 \RequirePackage{bidi}
 \RequirePackage{arabicnumbers}
 
@@ -6565,6 +6705,12 @@ CHANGES
 % \subsection{gloss-tamil.ldf}
 %    \begin{macrocode}
 \ProvidesFile{gloss-tamil.ldf}[polyglossia: module for tamil]
+\ifluatex
+  \xpg@warning{Tamil is not supported with LuaTeX.\MessageBreak
+I will proceed with the compilation, but\MessageBreak
+the output is not guaranteed to be correct\MessageBreak
+and may look very wrong.}
+\fi
 % Translations provided by Kevin & Siji, 01-11-2009
 
 \PolyglossiaSetup{tamil}{
@@ -6626,6 +6772,12 @@ CHANGES
 % \subsection{gloss-telugu.ldf}
 %    \begin{macrocode}
 \ProvidesFile{gloss-telugu.ldf}[polyglossia: module for telugu]
+\ifluatex
+  \xpg@warning{Telugu is not supported with LuaTeX.\MessageBreak
+I will proceed with the compilation, but\MessageBreak
+the output is not guaranteed to be correct\MessageBreak
+and may look very wrong.}
+\fi
 % Translations provided by Anmol Sharma <unmole.in@gmail.com>
 
 \PolyglossiaSetup{telugu}{
@@ -6699,6 +6851,12 @@ CHANGES
 %%%%              Thai Linux Working Group
 %%%%              http://linux.thai.net/
 %%%%
+\ifluatex
+  \xpg@warning{Thai is not supported with LuaTeX.\MessageBreak
+I will proceed with the compilation, but\MessageBreak
+the output is not guaranteed to be correct\MessageBreak
+and may look very wrong.}
+\fi
 \PolyglossiaSetup{thai}{
   script=Thai,
   scripttag=thai,
@@ -6856,6 +7014,31 @@ CHANGES
 	  \@tibetan@numeralsfalse\fi
 }
 
+\ifluatex
+  \newluatexattribute\xpg@tibteol %
+  \directlua{polyglossia.load_tibt_eol()}%
+\fi
+
+\def\tibetan@eol{%
+  \ifluatex %
+    \xpg@tibteol=1\relax %
+    \directlua{polyglossia.activate_tibt_eol()}%
+  \else %
+    \XeTeXlinebreaklocale "bo"%
+    \XeTeXlinebreakskip=0pt plus 0.1em% doesn't do much, but doesn't harm I guess...
+  \fi %
+}
+
+\def\notibetan@eol{%
+  \ifluatex %
+    \xpg@tibteol=0\relax %
+    %\directlua{polyglossia.activate_tibt_eol()}%
+  \else %
+    \XeTeXlinebreaklocale "en"% en? really?
+    \XeTeXlinebreakskip=0pt plus 0pt%
+  \fi %
+}
+
 \setkeys{tibetan}{numerals}
 
 % some are known, but very few
@@ -6954,18 +7137,38 @@ CHANGES
    \let\@arabic\tibetannumber%
    \renewcommand{\thefootnote}{\protect\tibetannumber{\c@footnote}}%
 }
+
 \def\notibetan@globalnumbers{%
    \let\@arabic\orig@arabic%
    \renewcommand\thefootnote{\protect\number{\c@footnote}}%
 }
 
-% copied from Thai, not tested
+\def\noextras@tibetan{%
+   \notibetan@eol%
+   \let\baselinestrech\orig@baselinestretch%
+   }
 
 \def\blockextras@tibetan{%
+   % copied from Thai, not tested
    \let\orig@baselinestrech\baselinestretch%
    \renewcommand{\baselinestretch}{1.2}%
+   \tibetan@eol%
+   }
+
+\def\inlineextras@tibetan{%
+   \let\orig@baselinestrech\baselinestretch%
+   \renewcommand{\baselinestretch}{1.2}%
+   \tibetan@eol%
+   }
+
+\def\blockextras@tibetan{%
+   \let\orig@baselinestrech\baselinestretch%
+   \renewcommand{\baselinestretch}{1.2}%
+   \tibetan@eol%
 }
+
 \def\noblockextras@tibetan{%
+   \notibetan@eol%
    \let\baselinestrech\orig@baselinestretch%
 }
 
@@ -7208,6 +7411,12 @@ CHANGES
 %    \begin{macrocode}
 %%% Adapted from a file contributed by Kamal Abdali
 \ProvidesFile{gloss-urdu.ldf}[polyglossia: module for Urdu]
+\ifluatex
+  \xpg@warning{Urdu is not supported with LuaTeX.\MessageBreak
+I will proceed with the compilation, but\MessageBreak
+the output is not guaranteed to be correct\MessageBreak
+and may look very wrong.}
+\fi
 \RequirePackage{bidi}
 \RequirePackage{arabicnumbers}
 \RequirePackage{hijrical}
@@ -7640,6 +7849,8 @@ local add_to_callback = luatexbase.add_to_callback
 local remove_from_callback = luatexbase.remove_from_callback
 local priority_in_callback = luatexbase.priority_in_callback
 
+local get_quad = luaotfload.aux.get_quad -- needs luaotfload > 20130516
+
 local next, type = next, type
 
 local nodes, fonts, node = nodes, fonts, node
@@ -7649,6 +7860,7 @@ local insert_node_after  = node.insert_after
 local remove_node        = nodes.remove
 local end_of_math        = node.end_of_math
 local has_attribute      = node.has_attribute
+local node_copy          = node.copy
 
 -- node types as of April 2013
 local glue_code     = 10
@@ -7662,22 +7874,21 @@ local penalty_node  = node.new(penalty_code)
 penalty_node.penalty = 10000
 
 local function get_penalty_node()
-  return node.copy(penalty_node)
+  return node_copy(penalty_node)
 end
 
 -- same for glue node
-local glue_node  = node.new(glue_code)
-glue_node.spec = node.new(glue_spec_code)
+local kern_node       = node.new(kern_code)
 
-local function get_glue_node(dim)
-  local n = node.copy(glue_node)
-  n.spec.width = dim
+local function get_kern_node(dim)
+  local n = node_copy(kern_node)
+  n.kern = dim
   return n
 end
 
 -- we have here all possible space characters, referenced by their
 -- unicode slot number, taken from char-def.lua
-local space_chars = {[20]=1, [160]=1, [5760]=1, [6158]=1, [8192]=1, [8193]=1, [8194]=1, [8195]=1, 
+local space_chars = {[32]=1, [160]=1, [5760]=1, [6158]=1, [8192]=1, [8193]=1, [8194]=1, [8195]=1, 
   [8196]=1, [8197]=1, [8198]=1, [8199]=1, [8200]=1, [8201]=1, [8202]=1, [8239]=1, [8287]=1, [12288]=1}
 
 -- from nodes-tst.lua, adapted
@@ -7765,14 +7976,14 @@ local function process(head)
     -- penalty followed by glue
     while start do
         local id = start.id
-        if id == glyph_code then -- 37 is glyph as of 2013/04
+        if id == glyph_code then
             local attr = has_attribute(start, xpgfrptattr)
             if attr and attr > 0 then
                 local char = start.char
                 local map = mappings[char]
                 --node.unset_attribute(start, xpgfrptattr) -- needed?
                 if map then
-                    local quad = font.fonts[start.font].parameters.quad -- might be optimized
+                    local quad = get_quad(start.font) -- might be optimized
                     local prev = start.prev
                     if map[1] == left and prev then
                         local prevprev = prev.prev
@@ -7788,13 +7999,12 @@ local function process(head)
                             end
                         end
                         insert_node_before(head,start,get_penalty_node())
-                        insert_node_before(head,start,get_glue_node(map[2]*quad))
+                        insert_node_before(head,start,get_kern_node(map[2]*quad))
                         done = true
                     end
                     local next = start.next
                     if map[1] == right and next then
                         local nextnext = next.next
-
                         local somepenalty = somepenalty(next,10000)
                         if somepenalty then
                             local somespace = somespace(nextnext,true)
@@ -7808,7 +8018,7 @@ local function process(head)
                                 head = remove_node(head,next,true)
                             end
                         end
-                        insert_node_after(head,start,get_glue_node(right*quad))
+                        insert_node_after(head,start,get_kern_node(map[2]*quad))
                         insert_node_after(head,start,get_penalty_node())
                         done = true
                     end
@@ -7828,14 +8038,14 @@ end
 local callback_name = "pre_linebreak_filter"
 
 local function activate()
-  if not priority_in_callback (callback_name, "xpg-frpt.process") then
-    add_to_callback(callback_name, process, "xpg-frpt.process", 1)
+  if not priority_in_callback (callback_name, "polyglossia-frpt.process") then
+    add_to_callback(callback_name, process, "polyglossia-frpt.process", 1)
   end
 end
 
 local function desactivate()
-  if priority_in_callback (callback_name, "xpg-frpt.process") then
-    remove_from_callback(callback_name, "xpg-frpt.process")
+  if priority_in_callback (callback_name, "polyglossia-frpt.process") then
+    remove_from_callback(callback_name, "polyglossia-frpt.process")
   end
 end
 
@@ -7847,6 +8057,94 @@ polyglossia.thickspace       = thickpace
 %    \end{macrocode}
 % \iffalse
 %</polyglossia-frpt.lua>
+%<*polyglossia-tibt.lua>
+% \fi
+% \clearpage
+% 
+% \subsection{polyglossia-tibt.lua}
+%    \begin{macrocode}
+require('polyglossia') -- just in case...
+
+local add_to_callback = luatexbase.add_to_callback
+local remove_from_callback = luatexbase.remove_from_callback
+local priority_in_callback = luatexbase.priority_in_callback
+
+local next, type = next, type
+
+local nodes, fonts, node = nodes, fonts, node
+
+local insert_node_before = node.insert_before
+local insert_node_after  = node.insert_after
+local remove_node        = nodes.remove
+local copy_node          = node.copy
+local end_of_math        = node.end_of_math
+local has_attribute      = node.has_attribute
+
+local nodecodes = nodes.nodecodes --- <= preloaded node.types()
+
+-- node types as of April 2013
+local glyph_code         = nodecodes.glyph
+local penalty_code       = nodecodes.penalty
+local kern_code          = nodecodes.kern
+
+-- we make a new node, so that we can copy it later on
+local penalty_node  = node.new(penalty_code)
+penalty_node.penalty = -2000 -- rather arbitrary... if someone has a better idea...?
+
+local function get_penalty_node()
+  return copy_node(penalty_node)
+end
+
+local xpgtibtattr = luatexbase.attributes['xpg@tibteol']
+
+local tsheg = unicode.utf8.byte('་')
+
+-- from typo-spa.lua
+local function process(head)
+    local start = head
+    -- head is always begin of par (whatsit), so we have at least two prev nodes
+    -- penalty followed by glue
+    while start do
+        local id = start.id
+        if id == glyph_code then 
+            local attr = has_attribute(start, xpgtibtattr)
+            if attr and attr > 0 then
+                if start.char == tsheg then
+                    if start.next then
+                        insert_node_after(head,start,get_penalty_node())
+                    end
+                end
+            end
+        elseif id == math_code then
+            -- warning: this is a feature of luatex > 0.76
+            start = end_of_math(start) -- weird, can return nil .. no math end?
+        end
+        if start then
+            start = start.next
+        end
+    end
+    return head
+end
+
+local callback_name = "pre_linebreak_filter"
+
+local function activate()
+  if not priority_in_callback (callback_name, "polyglossia-tibt.process") then
+    add_to_callback(callback_name, process, "polyglossia-tibt.process", 1)
+  end
+end
+
+local function desactivate()
+  if priority_in_callback (callback_name, "polyglossia-tibt.process") then
+    remove_from_callback(callback_name, "polyglossia-tibt.process")
+  end
+end
+
+polyglossia.activate_tibt_eol    = activate
+polyglossia.desactivate_tibt_eol = desactivate
+%    \end{macrocode}
+% \iffalse
+%</polyglossia-tibt.lua>
 %<*polyglossia.lua>
 % \fi
 % \clearpage
@@ -7923,6 +8221,10 @@ local function load_frpt()
     require('polyglossia-frpt')
 end
 
+local function load_tibt_eol()
+    require('polyglossia-tibt')
+end
+
 polyglossia.loadlang = loadlang
 polyglossia.select_language = select_language
 polyglossia.set_default_language = set_default_language
@@ -7930,6 +8232,7 @@ polyglossia.current_language = current_language -- doesn't seem to be working we
 polyglossia.default_language = default_language
 polyglossia.check_char = check_char
 polyglossia.load_frpt = load_frpt
+polyglossia.load_tibt_eol = load_tibt_eol
 %    \end{macrocode}
 % \iffalse
 %</polyglossia.lua>
@@ -7943,7 +8246,7 @@ polyglossia.load_frpt = load_frpt
 
    ¦----------------------------------------------¦
    ¦                                              ¦
-   ¦       THE POLYGLOSSIA PACKAGE v1.32.0        ¦
+   ¦       THE POLYGLOSSIA PACKAGE v1.33.0        ¦
    ¦                                              ¦
    ¦     Modern multilingual typesetting          ¦
    ¦        with XeLaTeX and LuaLaTeX             ¦
@@ -7996,6 +8299,11 @@ http://github.com/reutenauer/polyglossia/issues
 
 CHANGES
 
+1.33.0 (20-05-2013)
+  * Added support for N’Ko.
+  * Bugfixes for LuaTeX
+  * More work in progress on Bidi in LuaTeX.
+
 1.32.0 (15-05-2013)
   Transitional version to support right-to-left languages with LuaTeX.