markdown (6jun16)

git-svn-id: svn://tug.org/texlive/trunk@41376 c570f23f-e606-0410-a88d-b1316a301751

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diff --git a/Master/texmf-dist/tex/generic/markdown/markdown.tex b/Master/texmf-dist/tex/generic/markdown/markdown.tex
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+%%
+%% This is file `markdown.tex',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% markdown.dtx  (with options: `tex')
+%% 
+%% Copyright (C) 2016 Vít Novotný
+%% 
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.3
+%% of this license or (at your option) any later version.
+%% The latest version of this license is in
+%% 
+%%    http://www.latex-project.org/lppl.txt
+%% 
+%% and version 1.3 or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%% 
+%% This work has the LPPL maintenance status `maintained'.
+%% The Current Maintainer of this work is Vít Novotný.
+%% 
+%% Send bug reports, requests for additions and questions
+%% either to the GitHub issue tracker at
+%% 
+%%   https://github.com/Witiko/markdown/issues
+%% 
+%% or to the e-mail address <witiko@mail.muni.cz>.
+%% 
+%% MODIFICATION ADVICE:
+%% 
+%% If you want to customize this file, it is best to make a copy of
+%% the source file(s) from which it was produced.  Use a different
+%% name for your copy(ies) and modify the copy(ies); this will ensure
+%% that your modifications do not get overwritten when you install a
+%% new release of the standard system.  You should also ensure that
+%% your modified source file does not generate any modified file with
+%% the same name as a standard file.
+%% 
+%% You will also need to produce your own, suitably named, .ins file to
+%% control the generation of files from your source file; this file
+%% should contain your own preambles for the files it generates, not
+%% those in the standard .ins files.
+%% 
+%% The names of the source files used are shown above.
+%% 
+\def\markdownVersion{2016/06/03}%
+\let\markdownBegin\relax
+\let\markdownEnd\relax
+\let\markdownInput\relax
+\def\markdownOptionHelperScriptFileName{\jobname.markdown.lua}%
+\def\markdownOptionInputTempFileName{\jobname.markdown.in}%
+\def\markdownOptionOutputTempFileName{\jobname.markdown.out}%
+\def\markdownOptionCacheDir{_markdown-\jobname}%
+\let\markdownOptionBlankBeforeBlockquote\undefined
+\let\markdownOptionBlankBeforeHeading\undefined
+\let\markdownOptionDefinitionLists\undefined
+\let\markdownOptionHashEnumerator\undefined
+\let\markdownOptionHybrid\undefined
+\let\markdownOptionFootnotes\undefined
+\let\markdownOptionPreserveTabs\undefined
+\let\markdownOptionSmartEllipses\undefined
+\let\markdownOptionStartNumber\undefined
+\let\markdownOptionTightLists\undefined
+\def\markdownRendererLineBreak{%
+  \markdownRendererLineBreakPrototype}%
+\def\markdownRendererEllipsis{%
+  \markdownRendererEllipsisPrototype}%
+\def\markdownRendererCodeSpan{%
+  \markdownRendererCodeSpanPrototype}%
+\def\markdownRendererLink{%
+  \markdownRendererLinkPrototype}%
+\def\markdownRendererImage{%
+  \markdownRendererImagePrototype}%
+\def\markdownRendererUlBegin{%
+  \markdownRendererUlBeginPrototype}%
+\def\markdownRendererUlBeginTight{%
+  \markdownRendererUlBeginTightPrototype}%
+\def\markdownRendererUlItem{%
+  \markdownRendererUlItemPrototype}%
+\def\markdownRendererUlEnd{%
+  \markdownRendererUlEndPrototype}%
+\def\markdownRendererUlEndTight{%
+  \markdownRendererUlEndTightPrototype}%
+\def\markdownRendererOlBegin{%
+  \markdownRendererOlBeginPrototype}%
+\def\markdownRendererOlBeginTight{%
+  \markdownRendererOlBeginTightPrototype}%
+\def\markdownRendererOlItem{%
+  \markdownRendererOlItemPrototype}%
+\def\markdownRendererOlItemWithNumber{%
+  \markdownRendererOlItemWithNumberPrototype}%
+\def\markdownRendererOlEnd{%
+  \markdownRendererOlEndPrototype}%
+\def\markdownRendererOlEndTight{%
+  \markdownRendererOlEndTightPrototype}%
+\def\markdownRendererDlBegin{%
+  \markdownRendererDlBeginPrototype}%
+\def\markdownRendererDlBeginTight{%
+  \markdownRendererDlBeginTightPrototype}%
+\def\markdownRendererDlItem{%
+  \markdownRendererDlItemPrototype}%
+\def\markdownRendererDlEnd{%
+  \markdownRendererDlEndPrototype}%
+\def\markdownRendererDlEndTight{%
+  \markdownRendererDlEndTightPrototype}%
+\def\markdownRendererEmphasis{%
+  \markdownRendererEmphasisPrototype}%
+\def\markdownRendererStrongEmphasis{%
+  \markdownRendererStrongEmphasisPrototype}%
+\def\markdownRendererBlockQuoteBegin{%
+  \markdownRendererBlockQuoteBeginPrototype}%
+\def\markdownRendererBlockQuoteEnd{%
+  \markdownRendererBlockQuoteEndPrototype}%
+\def\markdownRendererInputVerbatim{%
+  \markdownRendererInputVerbatimPrototype}%
+\def\markdownRendererHeadingOne{%
+  \markdownRendererHeadingOnePrototype}%
+\def\markdownRendererHeadingTwo{%
+  \markdownRendererHeadingTwoPrototype}%
+\def\markdownRendererHeadingThree{%
+  \markdownRendererHeadingThreePrototype}%
+\def\markdownRendererHeadingFour{%
+  \markdownRendererHeadingFourPrototype}%
+\def\markdownRendererHeadingFive{%
+  \markdownRendererHeadingFivePrototype}%
+\def\markdownRendererHeadingSix{%
+  \markdownRendererHeadingSixPrototype}%
+\def\markdownRendererHorizontalRule{%
+  \markdownRendererHorizontalRulePrototype}%
+\def\markdownRendererFootnote{%
+  \markdownRendererFootnotePrototype}%
+\def\markdownRendererLineBreakPrototype{}%
+\def\markdownRendererEllipsisPrototype{}%
+\long\def\markdownRendererCodeSpanPrototype#1{}%
+\long\def\markdownRendererLinkPrototype#1#2#3{}%
+\long\def\markdownRendererImagePrototype#1#2#3{}%
+\def\markdownRendererUlBeginPrototype{}%
+\def\markdownRendererUlBeginTightPrototype{}%
+\def\markdownRendererUlItemPrototype{}%
+\def\markdownRendererUlEndPrototype{}%
+\def\markdownRendererUlEndTightPrototype{}%
+\def\markdownRendererOlBeginPrototype{}%
+\def\markdownRendererOlBeginTightPrototype{}%
+\def\markdownRendererOlItemPrototype{}%
+\long\def\markdownRendererOlItemWithNumberPrototype#1{}%
+\def\markdownRendererOlEndPrototype{}%
+\def\markdownRendererOlEndTightPrototype{}%
+\def\markdownRendererDlBeginPrototype{}%
+\def\markdownRendererDlBeginTightPrototype{}%
+\long\def\markdownRendererDlItemPrototype#1{}%
+\def\markdownRendererDlEndPrototype{}%
+\def\markdownRendererDlEndTightPrototype{}%
+\long\def\markdownRendererEmphasisPrototype#1{}%
+\long\def\markdownRendererStrongEmphasisPrototype#1{}%
+\def\markdownRendererBlockQuoteBeginPrototype{}%
+\def\markdownRendererBlockQuoteEndPrototype{}%
+\long\def\markdownRendererInputVerbatimPrototype#1{}%
+\long\def\markdownRendererHeadingOnePrototype#1{}%
+\long\def\markdownRendererHeadingTwoPrototype#1{}%
+\long\def\markdownRendererHeadingThreePrototype#1{}%
+\long\def\markdownRendererHeadingFourPrototype#1{}%
+\long\def\markdownRendererHeadingFivePrototype#1{}%
+\long\def\markdownRendererHeadingSixPrototype#1{}%
+\def\markdownRendererHorizontalRulePrototype{}%
+\long\def\markdownRendererFootnotePrototype#1{}%
+\def\markdownInfo#1{}%
+\def\markdownWarning#1{}%
+\def\markdownError#1{}%
+\def\markdownLuaRegisterIBCallback#1{%
+  local old_callback = callback.find("process_input_buffer")
+  callback.register("process_input_buffer", #1)}%
+\def\markdownLuaUnregisterIBCallback{%
+  callback.register("process_input_buffer", old_callback)}%
+\let\markdownMakeOther\relax
+\let\markdownReadAndConvert\relax
+\begingroup
+  \catcode`\|=0\catcode`\\=12%
+  |gdef|markdownBegin{%
+    |markdownReadAndConvert{\markdownEnd}%
+                           {|markdownEnd}}%
+|endgroup
+\def\markdownInfo#1{%
+  \message{(l.\the\inputlineno) markdown.tex info: #1.}}%
+\def\markdownWarning#1{%
+  \message{(l.\the\inputlineno) markdown.tex warning: #1}}%
+\def\markdownError#1#2{%
+  \errhelp{#2.}%
+  \errmessage{(l.\the\inputlineno) markdown.tex error: #1}}%
+\def\markdownRendererLineBreakPrototype{\hfil\break}%
+\let\markdownRendererEllipsisPrototype\dots
+\long\def\markdownRendererCodeSpanPrototype#1{{\tt#1}}%
+\long\def\markdownRendererLinkPrototype#1#2#3{#1}%
+\long\def\markdownRendererImagePrototype#1#2#3{#1}%
+\def\markdownRendererUlBeginPrototype{}%
+\def\markdownRendererUlBeginTightPrototype{}%
+\def\markdownRendererUlItemPrototype{}%
+\def\markdownRendererUlEndPrototype{}%
+\def\markdownRendererUlEndTightPrototype{}%
+\def\markdownRendererOlBeginPrototype{}%
+\def\markdownRendererOlBeginTightPrototype{}%
+\def\markdownRendererOlItemPrototype{}%
+\long\def\markdownRendererOlItemWithNumberPrototype#1{}%
+\def\markdownRendererOlEndPrototype{}%
+\def\markdownRendererOlEndTightPrototype{}%
+\def\markdownRendererDlBeginPrototype{}%
+\def\markdownRendererDlBeginTightPrototype{}%
+\long\def\markdownRendererDlItemPrototype#1{#1}%
+\def\markdownRendererDlEndPrototype{}%
+\def\markdownRendererDlEndTightPrototype{}%
+\long\def\markdownRendererEmphasisPrototype#1{{\it#1}}%
+\long\def\markdownRendererStrongEmphasisPrototype#1{{\it#1}}%
+\def\markdownRendererBlockQuoteBeginPrototype{\par\begingroup\it}%
+\def\markdownRendererBlockQuoteEndPrototype{\endgroup\par}%
+\long\def\markdownRendererInputVerbatimPrototype#1{%
+  \par{\tt\input"#1"\relax}\par}%
+\long\def\markdownRendererHeadingOnePrototype#1{#1}%
+\long\def\markdownRendererHeadingTwoPrototype#1{#1}%
+\long\def\markdownRendererHeadingThreePrototype#1{#1}%
+\long\def\markdownRendererHeadingFourPrototype#1{#1}%
+\long\def\markdownRendererHeadingFivePrototype#1{#1}%
+\long\def\markdownRendererHeadingSixPrototype#1{#1}%
+\def\markdownRendererHorizontalRulePrototype{}%
+\long\def\markdownRendererFootnotePrototype#1{#1}%
+\def\markdownLuaOptions{{%
+  \ifx\markdownOptionBlankBeforeBlockquote\undefined\else
+    blankBeforeBlockquote = \markdownOptionBlankBeforeBlockquote,
+  \fi
+  \ifx\markdownOptionBlankBeforeHeading\undefined\else
+    blankBeforeHeading = \markdownOptionBlankBeforeHeading,
+  \fi
+  \ifx\markdownOptionCacheDir\undefined\else
+    cacheDir = "\markdownOptionCacheDir",
+  \fi
+  \ifx\markdownOptionDefinitionLists\undefined\else
+    definitionLists = \markdownOptionDefinitionLists,
+  \fi
+  \ifx\markdownOptionHashEnumerators\undefined\else
+    hashEnumerators = \markdownOptionHashEnumerators,
+  \fi
+  \ifx\markdownOptionHybrid\undefined\else
+    hybrid = \markdownOptionHybrid,
+  \fi
+  \ifx\markdownOptionFootnotes\undefined\else
+    footnotes = \markdownOptionFootnotes,
+  \fi
+  \ifx\markdownOptionPreserveTabs\undefined\else
+    preserveTabs = \markdownOptionPreserveTabs,
+  \fi
+  \ifx\markdownOptionSmartEllipses\undefined\else
+    smartEllipses = \markdownOptionSmartEllipses,
+  \fi
+  \ifx\markdownOptionStartNumber\undefined\else
+    startNumber = \markdownOptionStartNumber,
+  \fi
+  \ifx\markdownOptionTightLists\undefined\else
+    tightLists = \markdownOptionTightLists,
+  \fi}
+}%
+\def\markdownPrepare{%
+  local lfs = require("lfs")
+  local cacheDir = "\markdownOptionCacheDir"
+  if lfs.isdir(cacheDir) == true then else
+    assert(lfs.mkdir(cacheDir))
+  end
+  local md = require("markdown")
+  local convert = md.new(\markdownLuaOptions)
+}%
+\ifx\directlua\undefined
+  \csname newwrite\endcsname\markdownLuaExecuteFileStream
+  \csname newcount\endcsname\markdownLuaExecuteShellEscape
+  \ifx\pdfshellescape\undefined
+    \ifx\shellescape\undefined
+      \markdownLuaExecuteShellEscape=1%
+    \else
+      \markdownLuaExecuteShellEscape=\shellescape
+    \fi
+  \else
+    \markdownLuaExecuteShellEscape=\pdfshellescape
+  \fi
+  \def\markdownLuaExecute#1{%
+    \ifnum\markdownLuaExecuteShellEscape=1%
+      \immediate\openout\markdownLuaExecuteFileStream=%
+        \markdownOptionHelperScriptFileName
+      \markdownInfo{Writing a helper Lua script to the file
+        "\markdownOptionHelperScriptFileName"}%
+      \immediate\write\markdownLuaExecuteFileStream{%
+        local kpse = require('kpse')
+        kpse.set_program_name('luatex') #1}%
+      \immediate\closeout\markdownLuaExecuteFileStream
+      \markdownInfo{Executing a helper Lua script from the file
+        "\markdownOptionHelperScriptFileName" and storing the result in the
+        file "\markdownOptionOutputTempFileName"}%
+      \immediate\write18{texlua "\markdownOptionHelperScriptFileName" >
+        "\markdownOptionOutputTempFileName"}%
+      \input\markdownOptionOutputTempFileName\relax
+    \else
+      \markdownError{I can not access the shell}{Either run the TeX
+        compiler with the --shell-escape or the --enable-write18 flag,
+        or set shell_escape=t in the texmf.cnf file}%
+    \fi}%
+  \begingroup
+    \catcode`\^^I=12%
+    \gdef\markdownReadAndConvertTab{^^I}%
+  \endgroup
+  \begingroup
+    \catcode`\^^M=13%
+    \catcode`\^^I=13%
+    \catcode`|=0%
+    \catcode`\\=12%
+    |gdef|markdownReadAndConvert#1#2{%
+      |begingroup%
+      |immediate|openout|markdownLuaExecuteFileStream%
+        |markdownOptionInputTempFileName%
+      |markdownInfo{Buffering markdown input into the temporary %
+        input file "|markdownOptionInputTempFileName" and scanning %
+        for the closing token sequence "#1"}%
+      |def|do##1{|catcode`##1=12}|dospecials%
+      |catcode`| =12%
+      |markdownMakeOther%
+      |def|markdownReadAndConvertProcessLine##1#1##2#1##3|relax{%
+        |ifx|relax##3|relax%
+          |immediate|write|markdownLuaExecuteFileStream{##1}%
+        |else%
+          |def^^M{%
+            |markdownInfo{The ending token sequence was found}%
+            |immediate|write|markdownLuaExecuteFileStream{}%
+            |immediate|closeout|markdownLuaExecuteFileStream%
+            |endgroup%
+            |markdownInput|markdownOptionInputTempFileName%
+            #2}%
+        |fi%
+        ^^M}%
+      |catcode`|^^I=13%
+      |def^^I{|markdownReadAndConvertTab}%
+      |catcode`|^^M=13%
+      |def^^M##1^^M{%
+        |def^^M####1^^M{%
+          |markdownReadAndConvertProcessLine####1#1#1|relax}%
+        ^^M}%
+      ^^M}%
+  |endgroup
+\else
+  \def\markdownLuaExecute#1{\directlua{local print = tex.print #1}}%
+  \begingroup
+    \catcode`\_=12%
+    \catcode`\$=12%
+    \catcode`\^=12%
+    \catcode`\/=6%
+    \catcode`\#=12%
+    \catcode`\@=14%
+    \catcode`\%=12%
+    \catcode`|=0@
+    \catcode`\\=12@
+    |gdef|markdownReadAndConvert/1/2{@
+      |def|markdownReadAndConvertAfter{/2}@
+      |markdownInfo{Buffering markdown input and scanning for the
+        closing token sequence "/1"}@
+      |directlua{@
+        |markdownPrepare
+        local buffer = {}
+        local ending_sequence = "^.-" .. ([[/1]]):gsub(
+          "([%(%)%.%%%+%-%*%?%[%]%^%$])", "%%%1")
+        |markdownLuaRegisterIBCallback{function(line)
+          if line:match(ending_sequence) then
+            |markdownLuaUnregisterIBCallback
+            local input = table.concat(buffer, "\n") .. "\n\n"
+            local output = convert(input)
+            return [[\markdownInfo{The ending token sequence was found}]] ..
+              output .. [[\markdownReadAndConvertAfter]]
+          else
+            buffer[#buffer+1] = line
+            return [[\]] .. (#buffer == 1 and "fi" or "relax")
+          end
+        end}}@
+      |iffalse}@
+  |endgroup
+\fi
+\begingroup
+  \catcode`|=0%
+  \catcode`\\=12%
+  |gdef|markdownInput#1{%
+    |markdownInfo{Including markdown document "#1"}%
+    |markdownLuaExecute{%
+      |markdownPrepare
+      local input = assert(io.open("#1","r")):read("*a") .. "\n\n"
+      print(convert(input:gsub("\r\n?", "\n")))}}%
+|endgroup
+\endinput
+%%
+%% End of file `markdown.tex'.