diff --git a/runtime/syntax/coretex.vim b/runtime/syntax/coretex.vim
new file mode 100644
index 0000000..adb77bb
--- /dev/null
+++ b/runtime/syntax/coretex.vim
@@ -0,0 +1,377 @@
+" Vim syntax file
+" Language:         TeX (core definition)
+" Maintainer:       Nikolai Weibull <now@bitwi.se>
+" Latest Revision:  2006-03-26
+
+if exists("b:current_syntax")
+  finish
+endif
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+" This follows the grouping (sort of) found at
+" http://www.tug.org/utilities/plain/cseq.html#top-fam
+
+syn keyword coretexTodo                         TODO FIXME XXX NOTE
+
+syn match coretexComment                        display contains=coretexTodo
+      \ '\\\@<!\%(\\\\\)*\zs%.*$'
+
+syn match   coretexDimension                    display contains=@NoSpell
+      \ '[+-]\=\s*\%(\d\+\%([.,]\d*\)\=\|[.,]\d\+\)\s*\%(true\)\=\s*\%(p[tc]\|in\|bp\|c[mc]\|m[mu]\|dd\|sp\|e[mx]\)\>'
+
+syn cluster coretexBox
+      \ contains=coretexBoxCommand,coretexBoxInternalQuantity,
+      \ coretexBoxParameterDimen,coretexBoxParameterInteger,
+      \ coretexBoxParameterToken
+
+syn cluster coretexCharacter
+      \ contains=coretexCharacterCommand,coretexCharacterInternalQuantity,
+      \ coretexCharacterParameterInteger
+
+syn cluster coretexDebugging
+      \ contains=coretexDebuggingCommand,coretexDebuggingParameterInteger,
+      \ coretexDebuggingParameterToken
+
+syn cluster coretexFileIO
+      \ contains=coretexFileIOCommand,coretexFileIOInternalQuantity,
+      \ coretexFileIOParameterToken
+
+syn cluster coretexFonts
+      \ contains=coretexFontsCommand,coretexFontsInternalQuantity
+
+syn cluster coretexGlue
+      \ contains=coretexGlueCommand,coretexGlueDerivedCommand
+
+syn cluster coretexHyphenation
+      \ contains=coretexHyphenationCommand,coretexHyphenationDerivedCommand,
+      \ coretexHyphenationInternalQuantity,coretexHyphenationParameterInteger
+
+syn cluster coretexInserts
+      \ contains=coretexInsertsCommand,coretexInsertsParameterDimen,
+      \ coretexInsertsParameterGlue,coretexInsertsParameterInteger
+
+syn cluster coretexJob
+      \ contains=coretexJobCommand,coretexJobInternalQuantity,
+      \ coretexJobParameterInteger
+
+syn cluster coretexKern
+      \ contains=coretexKernCommand,coretexKernInternalQuantity
+
+syn cluster coretexLogic
+      \ contains=coretexLogicCommand
+
+syn cluster coretexMacro
+      \ contains=coretexMacroCommand,coretexMacroDerivedCommand,
+      \ coretexMacroParameterInteger
+
+syn cluster coretexMarks
+      \ contains=coretexMarksCommand
+
+syn cluster coretexMath
+      \ contains=coretexMathCommand,coretexMathDerivedCommand,
+      \ coretexMathInternalQuantity,coretexMathParameterDimen,
+      \ coretexMathParameterGlue,coretexMathParameterInteger,
+      \ coretexMathParameterMuglue,coretexMathParameterToken
+
+syn cluster coretexPage
+      \ contains=coretexPageInternalQuantity,coretexPageParameterDimen,
+      \ coretexPageParameterGlue
+
+syn cluster coretexParagraph
+      \ contains=coretexParagraphCommand,coretexParagraphInternalQuantity,
+      \ coretexParagraphParameterDimen,coretexParagraphParameterGlue,
+      \ coretexParagraphParameterInteger,coretexParagraphParameterToken
+
+syn cluster coretexPenalties
+      \ contains=coretexPenaltiesCommand,coretexPenaltiesInternalQuantity,
+      \ coretexPenaltiesParameterInteger
+
+syn cluster coretexRegisters
+      \ contains=coretexRegistersCommand,coretexRegistersInternalQuantity
+
+syn cluster coretexTables
+      \ contains=coretexTablesCommand,coretexTablesParameterGlue,
+      \ coretexTablesParameterToken
+
+syn cluster coretexCommand
+      \ contains=coretexBoxCommand,coretexCharacterCommand,
+      \ coretexDebuggingCommand,coretexFileIOCommand,
+      \ coretexFontsCommand,coretexGlueCommand,
+      \ coretexHyphenationCommand,coretexInsertsCommand,
+      \ coretexJobCommand,coretexKernCommand,coretexLogicCommand,
+      \ coretexMacroCommand,coretexMarksCommand,coretexMathCommand,
+      \ coretexParagraphCommand,coretexPenaltiesCommand,coretexRegistersCommand,
+      \ coretexTablesCommand
+
+syn match   coretexBoxCommand                   display contains=@NoSpell
+      \ '\\\%([hv]\=box\|[cx]\=leaders\|copy\|[hv]rule\|lastbox\|setbox\|un[hv]\%(box\|copy\)\|vtop\)\>'
+syn match   coretexCharacterCommand             display contains=@NoSpell
+      \ '\\\%([] ]\|\%(^^M\|accent\|char\|\%(lower\|upper\)case\|number\|romannumeral\|string\)\>\)'
+syn match   coretexDebuggingCommand             display contains=@NoSpell
+      \ '\\\%(\%(batch\|\%(non\|error\)stop\|scroll\)mode\|\%(err\)\=message\|meaning\|show\%(box\%(breadth\|depth\)\=\|lists\|the\)\)\>'
+syn match   coretexFileIOCommand                display contains=@NoSpell
+      \ '\\\%(\%(close\|open\)\%(in\|out\)\|endinput\|immediate\|input\|read\|shipout\|special\|write\)\>'
+syn match   coretexFontsCommand                 display contains=@NoSpell
+      \ '\\\%(/\|fontname\)\>'
+syn match   coretexGlueCommand                  display contains=@NoSpell
+      \ '\\\%([hv]\|un\)skip\>'
+syn match   coretexHyphenationCommand           display contains=@NoSpell
+      \ '\\\%(discretionary\|hyphenation\|patterns\|setlanguage\)\>'
+syn match   coretexInsertsCommand               display contains=@NoSpell
+      \ '\\\%(insert\|split\%(bot\|first\)mark\|vsplit\)\>'
+syn match   coretexJobCommand                   display contains=@NoSpell
+      \ '\\\%(dump\|end\|jobname\)\>'
+syn match   coretexKernCommand                  display contains=@NoSpell
+      \ '\\\%(kern\|lower\|move\%(left\|right\)\|raise\|unkern\)\>'
+syn match   coretexLogicCommand                 display contains=@NoSpell
+      \ '\\\%(else\|fi\|if[a-zA-Z@]\+\|or\)\>'
+"      \ '\\\%(else\|fi\|if\%(case\|cat\|dim\|eof\|false\|[hv]box\|[hmv]mode\|inner\|num\|odd\|true\|void\|x\)\=\|or\)\>'
+syn match   coretexMacroCommand                 display contains=@NoSpell
+      \ '\\\%(after\%(assignment\|group\)\|\%(begin\|end\)group\|\%(end\)\=csname\|e\=def\|expandafter\|futurelet\|global\|let\|long\|noexpand\|outer\|relax\|the\)\>'
+syn match   coretexMarksCommand                 display contains=@NoSpell
+      \ '\\\%(bot\|first\|top\)\=mark\>'
+syn match   coretexMathCommand                  display contains=@NoSpell
+      \ '\\\%(abovewithdelims\|delimiter\|display\%(limits\|style\)\|l\=eqno\|left\|\%(no\)\=limits\|math\%(accent\|bin\|char\|choice\|close\|code\|inner\|op\|open\|ord\|punct\|rel\)\|mkern\|mskip\|muskipdef\|nonscript\|\%(over\|under\)line\|radical\|right\|\%(\%(script\)\{1,2}\|text\)style\|vcenter\)\>'
+syn match   coretexParagraphCommand             display contains=@NoSpell
+      \ '\\\%(ignorespaces\|indent\|no\%(boundary\|indent\)\|par\|vadjust\)\>'
+syn match   coretexPenaltiesCommand             display contains=@NoSpell
+      \ '\\\%(un\)\=penalty\>'
+syn match   coretexRegistersCommand             display contains=@NoSpell
+      \ '\\\%(advance\|\%(count\|dimen\|skip\|toks\)def\|divide\|multiply\)\>'
+syn match   coretexTablesCommand                display contains=@NoSpell
+      \ '\\\%(cr\|crcr\|[hv]align\|noalign\|omit\|span\)\>'
+
+syn cluster coretexDerivedCommand
+      \ contains=coretexGlueDerivedCommand,coretexHyphenationDerivedCommand,
+      \ coretexMacroDerivedCommand,coretexMathDerivedCommand
+
+syn match   coretexGlueDerivedCommand           display contains=@NoSpell
+      \ '\\\%([hv]fil\%(l\|neg\)\=\|[hv]ss\)\>'
+syn match   coretexHyphenationDerivedCommand    display contains=@NoSpell
+      \ '\\-'
+syn match   coretexMacroDerivedCommand          display contains=@NoSpell
+      \ '\\[gx]def\>'
+syn match   coretexMathDerivedCommand           display contains=@NoSpell
+      \ '\\\%(above\|atop\%(withdelims\)\=\|mathchardef\|over\|overwithdelims\)\>'
+
+syn cluster coretexInternalQuantity
+      \ contains=coretexBoxInternalQuantity,coretexCharacterInternalQuantity,
+      \ coretexFileIOInternalQuantity,coretexFontsInternalQuantity,
+      \ coretexHyphenationInternalQuantity,coretexJobInternalQuantity,
+      \ coretexKernInternalQuantity,coretexMathInternalQuantity,
+      \ coretexPageInternalQuantity,coretexParagraphInternalQuantity,
+      \ coretexPenaltiesInternalQuantity,coretexRegistersInternalQuantity
+
+syn match   coretexBoxInternalQuantity          display contains=@NoSpell
+      \ '\\\%(badness\|dp\|ht\|prevdepth\|wd\)\>'
+syn match   coretexCharacterInternalQuantity    display contains=@NoSpell
+      \ '\\\%(catcode\|chardef\|\%([ul]c\|sf\)code\)\>'
+syn match   coretexFileIOInternalQuantity       display contains=@NoSpell
+      \ '\\inputlineno\>'
+syn match   coretexFontsInternalQuantity        display contains=@NoSpell
+      \ '\\\%(font\%(dimen\)\=\|nullfont\)\>'
+syn match   coretexHyphenationInternalQuantity  display contains=@NoSpell
+      \ '\\hyphenchar\>'
+syn match   coretexJobInternalQuantity          display contains=@NoSpell
+      \ '\\deadcycles\>'
+syn match   coretexKernInternalQuantity         display contains=@NoSpell
+      \ '\\lastkern\>'
+syn match   coretexMathInternalQuantity         display contains=@NoSpell
+      \ '\\\%(delcode\|mathcode\|muskip\|\%(\%(script\)\{1,2}\|text\)font\|skewchar\)\>'
+syn match   coretexPageInternalQuantity         display contains=@NoSpell
+      \ '\\page\%(depth\|fil\{1,3}stretch\|goal\|shrink\|stretch\|total\)\>'
+syn match   coretexParagraphInternalQuantity    display contains=@NoSpell
+      \ '\\\%(prevgraf\|spacefactor\)\>'
+syn match   coretexPenaltiesInternalQuantity    display contains=@NoSpell
+      \ '\\lastpenalty\>'
+syn match   coretexRegistersInternalQuantity    display contains=@NoSpell
+      \ '\\\%(count\|dimen\|skip\|toks\)\d\+\>'
+
+syn cluster coretexParameterDimen
+      \ contains=coretexBoxParameterDimen,coretexInsertsParameterDimen,
+      \ coretexMathParameterDimen,coretexPageParameterDimen,
+      \ coretexParagraphParameterDimen
+
+syn match   coretexBoxParameterDimen            display contains=@NoSpell
+      \ '\\\%(boxmaxdepth\|[hv]fuzz\|overfullrule\)\>'
+syn match   coretexInsertsParameterDimen        display contains=@NoSpell
+      \ '\\splitmaxdepth\>'
+syn match   coretexMathParameterDimen           display contains=@NoSpell
+      \ '\\\%(delimitershortfall\|display\%(indent\|width\)\|mathsurround\|nulldelimiterspace\|predisplaysize\|scriptspace\)\>'
+syn match   coretexPageParameterDimen           display contains=@NoSpell
+      \ '\\\%([hv]offset\|maxdepth\|vsize\)\>'
+syn match   coretexParagraphParameterDimen      display contains=@NoSpell
+      \ '\\\%(emergencystretch\|\%(hang\|par\)indent\|hsize\|lineskiplimit\)\>'
+
+syn cluster coretexParameterGlue
+      \ contains=coretexInsertsParameterGlue,coretexMathParameterGlue,
+      \ coretexPageParameterGlue,coretexParagraphParameterGlue,
+      \ coretexTablesParameterGlue
+
+syn match   coretexInsertsParameterGlue         display contains=@NoSpell
+      \ '\\splittopskip\>'
+syn match   coretexMathParameterGlue            display contains=@NoSpell
+      \ '\\\%(above\|below\)display\%(short\)\=skip\>'
+syn match   coretexPageParameterGlue            display contains=@NoSpell
+      \ '\\topskip\>'
+syn match   coretexParagraphParameterGlue       display contains=@NoSpell
+      \ '\\\%(baseline\|left\|line\|par\%(fill\)\=\|right\|x\=space\)skip\>'
+syn match   coretexTablesParameterGlue          display contains=@NoSpell
+      \ '\\tabskip\>'
+
+syn cluster coretexParameterInteger
+      \ contains=coretexBoxParameterInteger,coretexCharacterParameterInteger,
+      \ coretexDebuggingParameterInteger,coretexHyphenationParameterInteger,
+      \ coretexInsertsParameterInteger,coretexJobParameterInteger,
+      \ coretexMacroParameterInteger,coretexMathParameterInteger,
+      \ coretexParagraphParameterInteger,coretexPenaltiesParameterInteger,
+
+syn match   coretexBoxParameterInteger          display contains=@NoSpell
+      \ '\\[hv]badness\>'
+syn match   coretexCharacterParameterInteger    display contains=@NoSpell
+      \ '\\\%(\%(endline\|escape\|newline\)char\)\>'
+syn match   coretexDebuggingParameterInteger    display contains=@NoSpell
+      \ '\\\%(errorcontextlines\|pausing\|tracing\%(commands\|lostchars\|macros\|online\|output\|pages\|paragraphs\|restores|stats\)\)\>'
+syn match   coretexHyphenationParameterInteger  display contains=@NoSpell
+      \ '\\\%(defaulthyphenchar\|language\|\%(left\|right\)hyphenmin\|uchyph\)\>'
+syn match   coretexInsertsParameterInteger      display contains=@NoSpell
+      \ '\\\%(holdinginserts\)\>'
+syn match   coretexJobParameterInteger          display contains=@NoSpell
+      \ '\\\%(day\|mag\|maxdeadcycles\|month\|time\|year\)\>'
+syn match   coretexMacroParameterInteger        display contains=@NoSpell
+      \ '\\globaldefs\>'
+syn match   coretexMathParameterInteger         display contains=@NoSpell
+      \ '\\\%(binoppenalty\|defaultskewchar\|delimiterfactor\|displaywidowpenalty\|fam\|\%(post\|pre\)displaypenalty\|relpenalty\)\>'
+syn match   coretexParagraphParameterInteger    display contains=@NoSpell
+      \ '\\\%(\%(adj\|\%(double\|final\)hyphen\)demerits\|looseness\|\%(pre\)\=tolerance\)\>'
+syn match   coretexPenaltiesParameterInteger    display contains=@NoSpell
+      \ '\\\%(broken\|club\|exhyphen\|floating\|hyphen\|interline\|line\|output\|widow\)penalty\>'
+
+syn cluster coretexParameterMuglue
+      \ contains=coretexMathParameterMuglue
+
+syn match   coretexMathParameterMuglue          display contains=@NoSpell
+      \ '\\\%(med\|thick\|thin\)muskip\>'
+
+syn cluster coretexParameterDimen
+      \ contains=coretexBoxParameterToken,coretexDebuggingParameterToken,
+      \ coretexFileIOParameterToken,coretexMathParameterToken,
+      \ coretexParagraphParameterToken,coretexTablesParameterToken
+
+syn match   coretexBoxParameterToken            display contains=@NoSpell
+      \ '\\every[hv]box\>'
+syn match   coretexDebuggingParameterToken      display contains=@NoSpell
+      \ '\\errhelp\>'
+syn match   coretexFileIOParameterToken         display contains=@NoSpell
+      \ '\\output\>'
+syn match   coretexMathParameterToken           display contains=@NoSpell
+      \ '\\every\%(display\|math\)\>'
+syn match   coretexParagraphParameterToken      display contains=@NoSpell
+      \ '\\everypar\>'
+syn match   coretexTablesParameterToken         display contains=@NoSpell
+      \ '\\everycr\>'
+
+
+hi def link coretexCharacter                    Character
+hi def link coretexNumber                       Number
+
+hi def link coretexIdentifier                   Identifier
+
+hi def link coretexStatement                    Statement
+hi def link coretexConditional                  Conditional
+
+hi def link coretexPreProc                      PreProc
+hi def link coretexMacro                        Macro
+
+hi def link coretexType                         Type
+
+hi def link coretexDebug                        Debug
+
+hi def link coretexTodo                         Todo
+hi def link coretexComment                      Comment
+hi def link coretexDimension                    coretexNumber
+
+hi def link coretexCommand                      coretexStatement
+hi def link coretexBoxCommand                   coretexCommand
+hi def link coretexCharacterCommand             coretexCharacter
+hi def link coretexDebuggingCommand             coretexDebug
+hi def link coretexFileIOCommand                coretexCommand
+hi def link coretexFontsCommand                 coretexType
+hi def link coretexGlueCommand                  coretexCommand
+hi def link coretexHyphenationCommand           coretexCommand
+hi def link coretexInsertsCommand               coretexCommand
+hi def link coretexJobCommand                   coretexPreProc
+hi def link coretexKernCommand                  coretexCommand
+hi def link coretexLogicCommand                 coretexConditional
+hi def link coretexMacroCommand                 coretexMacro
+hi def link coretexMarksCommand                 coretexCommand
+hi def link coretexMathCommand                  coretexCommand
+hi def link coretexParagraphCommand             coretexCommand
+hi def link coretexPenaltiesCommand             coretexCommand
+hi def link coretexRegistersCommand             coretexCommand
+hi def link coretexTablesCommand                coretexCommand
+
+hi def link coretexDerivedCommand               coretexStatement
+hi def link coretexGlueDerivedCommand           coretexDerivedCommand
+hi def link coretexHyphenationDerivedCommand    coretexDerivedCommand
+hi def link coretexMacroDerivedCommand          coretexDerivedCommand
+hi def link coretexMathDerivedCommand           coretexDerivedCommand
+
+hi def link coretexInternalQuantity             coretexIdentifier
+hi def link coretexBoxInternalQuantity          coretexInternalQuantity
+hi def link coretexCharacterInternalQuantity    coretexInternalQuantity
+hi def link coretexFileIOInternalQuantity       coretexInternalQuantity
+hi def link coretexFontsInternalQuantity        coretexInternalQuantity
+hi def link coretexHyphenationInternalQuantity  coretexInternalQuantity
+hi def link coretexJobInternalQuantity          coretexInternalQuantity
+hi def link coretexKernInternalQuantity         coretexInternalQuantity
+hi def link coretexMathInternalQuantity         coretexInternalQuantity
+hi def link coretexPageInternalQuantity         coretexInternalQuantity
+hi def link coretexParagraphInternalQuantity    coretexInternalQuantity
+hi def link coretexPenaltiesInternalQuantity    coretexInternalQuantity
+hi def link coretexRegistersInternalQuantity    coretexInternalQuantity
+
+hi def link coretexParameterDimen               coretexNumber
+hi def link coretexBoxParameterDimen            coretexParameterDimen
+hi def link coretexInsertsParameterDimen        coretexParameterDimen
+hi def link coretexMathParameterDimen           coretexParameterDimen
+hi def link coretexPageParameterDimen           coretexParameterDimen
+hi def link coretexParagraphParameterDimen      coretexParameterDimen
+
+hi def link coretexParameterGlue                coretexNumber
+hi def link coretexInsertsParameterGlue         coretexParameterGlue
+hi def link coretexMathParameterGlue            coretexParameterGlue
+hi def link coretexPageParameterGlue            coretexParameterGlue
+hi def link coretexParagraphParameterGlue       coretexParameterGlue
+hi def link coretexTablesParameterGlue          coretexParameterGlue
+
+hi def link coretexParameterInteger             coretexNumber
+hi def link coretexBoxParameterInteger          coretexParameterInteger
+hi def link coretexCharacterParameterInteger    coretexParameterInteger
+hi def link coretexDebuggingParameterInteger    coretexParameterInteger
+hi def link coretexHyphenationParameterInteger  coretexParameterInteger
+hi def link coretexInsertsParameterInteger      coretexParameterInteger
+hi def link coretexJobParameterInteger          coretexParameterInteger
+hi def link coretexMacroParameterInteger        coretexParameterInteger
+hi def link coretexMathParameterInteger         coretexParameterInteger
+hi def link coretexParagraphParameterInteger    coretexParameterInteger
+hi def link coretexPenaltiesParameterInteger    coretexParameterInteger
+
+hi def link coretexParameterMuglue              coretexNumber
+hi def link coretexMathParameterMuglue          coretexParameterMuglue
+
+hi def link coretexParameterToken               coretexIdentifier
+hi def link coretexBoxParameterToken            coretexParameterToken
+hi def link coretexDebuggingParameterToken      coretexParameterToken
+hi def link coretexFileIOParameterToken         coretexParameterToken
+hi def link coretexMathParameterToken           coretexParameterToken
+hi def link coretexParagraphParameterToken      coretexParameterToken
+hi def link coretexTablesParameterToken         coretexParameterToken
+
+let b:current_syntax = "coretex"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
diff --git a/runtime/syntax/debsources.vim b/runtime/syntax/debsources.vim
new file mode 100644
index 0000000..c952ed8
--- /dev/null
+++ b/runtime/syntax/debsources.vim
@@ -0,0 +1,40 @@
+" Vim syntax file
+" Language:	Debian sources.list
+" Maintainer:	Matthijs Mohlmann <matthijs@cacholong.nl>
+" Last Change:	$Date$
+" URL: http://www.cacholong.nl/~matthijs/vim/syntax/debsources.vim
+" $Revision$
+
+" this is a very simple syntax file - I will be improving it
+" add entire DEFINE syntax
+
+" Standard syntax initialization
+if version < 600
+  syntax clear
+elseif exists("b:current_syntax")
+  finish
+endif
+
+" case sensitive
+syn case match
+
+" A bunch of useful keywords
+syn match debsourcesKeyword        /\(deb-src\|deb\|main\|contrib\|non-free\)/
+
+" Match comments
+syn match debsourcesComment        /#.*/
+
+" Match uri's
+syn match debsourcesUri            +\(http://\|ftp://\|file:///\)[^' 	<>"]\++
+syn match debsourcesDistrKeyword   +\([[:alnum:]_./]*\)\(woody\|sarge\|etch\|old-stable\|stable\|testing\|unstable\|sid\|experimental\|warty\|hoary\|breezy\)\([[:alnum:]_./]*\)+
+
+" Associate our matches and regions with pretty colours
+hi def link debsourcesLine            Error
+hi def link debsourcesKeyword         Statement
+hi def link debsourcesDistrKeyword    Type
+hi def link debsourcesComment         Comment
+hi def link debsourcesUri             Constant
+
+let b:current_syntax = "debsources"
+
+" vim: ts=8
diff --git a/runtime/syntax/plaintex.vim b/runtime/syntax/plaintex.vim
new file mode 100644
index 0000000..a930712
--- /dev/null
+++ b/runtime/syntax/plaintex.vim
@@ -0,0 +1,166 @@
+" Vim syntax file
+" Language:         TeX (plain.tex format)
+" Maintainer:       Nikolai Weibull <now@bitwi.se>
+" Latest Revision:  2006-03-26
+
+if exists("b:current_syntax")
+  finish
+endif
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+syn match   plaintexControlSequence         display contains=@NoSpell
+      \ '\\[a-zA-Z@]\+'
+
+runtime! syntax/coretex.vim
+
+syn match   plaintexComment                 display
+      \ contains=ALLBUT,coretexComment,plaintexComment
+      \ '^\s*%[CDM].*$'
+
+if exists("g:plaintex_delimiters")
+  syn match   plaintexDelimiter             display '[][{}]'
+endif
+
+syn match   plaintexRepeat                  display contains=@NoSpell
+      \ '\\\%(loop\|repeat\)\>'
+
+syn match   plaintexCommand                 display contains=@NoSpell
+      \ '\\\%(plainoutput\|TeX\)\>'
+syn match   plaintexBoxCommand              display contains=@NoSpell
+      \ '\\\%(null\|strut\)\>'
+syn match   plaintexCharacterCommand        display contains=@NoSpell
+      \ /\\\%(["#$%&'.=^_`~]\|``\|''\|-\{2,3}\|[?!]`\|^^L\|\~\|\%(a[ae]\|A[AE]\|acute\|[cdHoOPStuvijlL]\|copyright\|d\=dag\|folio\|ldotp\|[lr]q\|oe\|OE\|slash\|ss\|underbar\)\>\)/
+syn match   plaintexDebuggingCommand        display contains=@NoSpell
+      \ '\\\%(showhyphens\|tracingall\|wlog\)\>'
+syn match   plaintexFontsCommand            display contains=@NoSpell
+      \ '\\\%(bf\|\%(five\|seven\)\%(bf\|i\|rm\|sy\)\|it\|oldstyle\|rm\|sl\|ten\%(bf\|ex\|it\=\|rm\|sl\|sy\|tt\)\|tt\)\>'
+syn match   plaintexGlueCommand             display contains=@NoSpell
+      \ '\\\%(\%(big\|en\|med\|\%(no\|off\)interline\|small\)skip\|\%(center\|left\|right\)\=line\|\%(dot\|\%(left\|right\)arrow\)fill\|[hv]glue\|[lr]lap\|q\=quad\|space\|topglue\)\>'
+syn match   plaintexInsertsCommand          display contains=@NoSpell
+      \ '\\\%(\%(end\|top\)insert\|v\=footnote\)\>'
+syn match   plaintexJobCommand              display contains=@NoSpell
+      \ '\\\%(bye\|fmt\%(name\|version\)\)\>'
+syn match   plaintexInsertsCommand          display contains=@NoSpell
+      \ '\\\%(mid\|page\)insert\>'
+syn match   plaintexKernCommand             display contains=@NoSpell
+      \ '\\\%(en\|\%(neg\)\=thin\)space\>'
+syn match   plaintexMacroCommand            display contains=@NoSpell
+      \ '\\\%(active\|[be]group\|empty\)\>'
+syn match   plaintexPageCommand             display contains=@NoSpell
+      \ '\\\%(\%(super\)\=eject\|nopagenumbers\|\%(normal\|ragged\)bottom\)\>'
+syn match   plaintexParagraphCommand        display contains=@NoSpell
+      \ '\\\%(endgraf\|\%(non\)\=frenchspacing\|hang\|item\%(item\)\=\|narrower\|normalbaselines\|obey\%(lines\|spaces\)\|openup\|proclaim\|\%(tt\)\=raggedright\|textindent\)\>'
+syn match   plaintexPenaltiesCommand        display contains=@NoSpell
+      \ '\\\%(allow\|big\|fil\|good\|med\|no\|small\)\=break\>'
+syn match   plaintexRegistersCommand        display contains=@NoSpell
+      \ '\\\%(advancepageno\|new\%(box\|count\|dimen\|fam\|help\|if\|insert\|language\|muskip\|read\|skip\|toks\|write\)\)\>'
+syn match   plaintexTablesCommand           display contains=@NoSpell
+      \ '&\|\\+\|\\\%(cleartabs\|endline\|hidewidth\|ialign\|multispan\|settabs\|tabalign\)\>'
+
+syn region  plaintexMath                    matchgroup=plaintexMath
+      \ contains=@plaintexMath
+      \ start='\$' skip='\\\\\|\\\$' end='\$'
+syn region  plaintexMath                    matchgroup=plaintexMath
+      \ contains=@plaintexMath keepend
+      \ start='\$\$' skip='\\\\\|\\\$' end='\$\$'
+
+syn cluster plaintexMath
+      \ contains=plaintexMathCommand,plaintexMathBoxCommand,
+      \ plaintexMathCharacterCommand,plaintexMathDelimiter,
+      \ plaintexMathFontsCommand,plaintexMathLetter,plaintexMathSymbol,
+      \ plaintexMathFunction,plaintexMathOperator,plaintexMathPunctuation,
+      \ plaintexMathRelation
+
+syn match   plaintexMathCommand             display contains=@NoSpell contained
+      \ '\\\%([!*,;>{}|_^]\|\%([aA]rrowvert\|[bB]ig\%(g[lmr]\=\|r\)\=\|\%(border\|p\)\=matrix\|displaylines\|\%(down\|up\)bracefill\|eqalign\%(no\)\|leqalignno\|[lr]moustache\|mathpalette\|root\|s[bp]\|skew\|sqrt\)\>\)'
+syn match   plaintexMathBoxCommand          display contains=@NoSpell contained
+      \ '\\\%([hv]\=phantom\|mathstrut\|smash\)\>'
+syn match   plaintexMathCharacterCommand    display contains=@NoSpell contained
+      \ '\\\%(b\|bar\|breve\|check\|d\=dots\=\|grave\|hat\|[lv]dots\|tilde\|vec\|wide\%(hat\|tilde\)\)\>'
+syn match   plaintexMathDelimiter           display contains=@NoSpell contained
+      \ '\\\%(brace\%(vert\)\=\|brack\|cases\|choose\|[lr]\%(angle\|brace\|brack\|ceil\|floor\|group\)\|over\%(brace\|\%(left\|right\)arrow\)\|underbrace\)\>'
+syn match   plaintexMathFontsCommand        display contains=@NoSpell contained
+      \ '\\\%(\%(bf\|it\|sl\|tt\)fam\|cal\|mit\)\>'
+syn match   plaintexMathLetter              display contains=@NoSpell contained
+      \ '\\\%(aleph\|alpha\|beta\|chi\|[dD]elta\|ell\|epsilon\|eta\|[gG]amma\|[ij]math\|iota\|kappa\|[lL]ambda\|[mn]u\|[oO]mega\|[pP][hs]\=i\|rho\|[sS]igma\|tau\|[tT]heta\|[uU]psilon\|var\%(epsilon\|ph\=i\|rho\|sigma\|theta\)\|[xX]i\|zeta\)\>'
+syn match   plaintexMathSymbol              display contains=@NoSpell contained
+      \ '\\\%(angle\|backslash\|bot\|clubsuit\|emptyset\|epsilon\|exists\|flat\|forall\|hbar\|heartsuit\|Im\|infty\|int\|lnot\|nabla\|natural\|neg\|pmod\|prime\|Re\|sharp\|smallint\|spadesuit\|surd\|top\|triangle\%(left\|right\)\=\|vdash\|wp\)\>'
+syn match   plaintexMathFunction            display contains=@NoSpell contained
+      \ '\\\%(arc\%(cos\|sin\|tan\)\|arg\|\%(cos\|sin\|tan\)h\=\|coth\=\|csc\|de[gt]\|dim\|exp\|gcd\|hom\|inf\|ker\|lo\=g\|lim\%(inf\|sup\)\=\|ln\|max\|min\|Pr\|sec\|sup\)\>'
+syn match   plaintexMathOperator            display contains=@NoSpell contained
+      \ '\\\%(amalg\|ast\|big\%(c[au]p\|circ\|o\%(dot\|plus\|times\|sqcup\)\|triangle\%(down\|up\)\|uplus\|vee\|wedge\|bmod\|bullet\)\|c[au]p\|cdot[ps]\=\|circ\|coprod\|d\=dagger\|diamond\%(suit\)\=\|div\|land\|lor\|mp\|o\%(dot\|int\|minus\|plus\|slash\|times\)pm\|prod\|setminus\|sqc[au]p\|sqsu[bp]seteq\|star\|su[bp]set\%(eq\)\=\|sum\|times\|uplus\|vee\|wedge\|wr\)\>'
+syn match   plaintexMathPunctuation         display contains=@NoSpell contained
+      \ '\\\%(colon\)\>'
+syn match   plaintexMathRelation            display contains=@NoSpell contained
+      \ '\\\%(approx\|asymp\|bowtie\|buildrel\|cong\|dashv\|doteq\|[dD]ownarrow\|equiv\|frown\|geq\=\|gets\|gg\|hook\%(left\|right\)arrow\|iff\|in\|leq\=\|[lL]eftarrow\|\%(left\|right\)harpoon\%(down\|up\)\|[lL]eftrightarrow\|ll\|[lL]ongleftrightarrow\|longmapsto\|[lL]ongrightarrow\|mapsto\|mid\|models\|[ns][ew]arrow\|neq\=\|ni\|not\%(in\)\=\|owns\|parallel\|perp\|prec\%(eq\)\=\|propto\|[rR]ightarrow\|rightleftharpoons\|sim\%(eq\)\=\|smile\|succ\%(eq\)\=\|to\|[uU]parrow\|[uU]pdownarrow\|[vV]ert\)\>'
+
+syn match   plaintexParameterDimen          display contains=@NoSpell
+      \ '\\maxdimen\>'
+syn match   plaintexMathParameterDimen      display contains=@NoSpell
+      \ '\\jot\>'
+syn match   plaintexParagraphParameterGlue  display contains=@NoSpell
+      \ '\\\%(\%(big\|med\|small\)skipamount\|normalbaselineskip\|normallineskip\%(limit\)\=\)\>'
+
+syn match   plaintexFontParameterInteger    display contains=@NoSpell
+      \ '\\magstep\%(half\)\=\>'
+syn match   plaintexJobParameterInteger     display contains=@NoSpell
+      \ '\\magnification\>'
+syn match   plaintexPageParameterInteger    display contains=@NoSpell
+      \ '\\pageno\>'
+
+syn match   plaintexPageParameterToken      display contains=@NoSpell
+      \ '\\\%(foot\|head\)line\>'
+
+hi def link plaintexOperator                Operator
+
+hi def link plaintexDelimiter               Delimiter
+
+hi def link plaintexControlSequence         Identifier
+hi def link plaintexComment                 Comment
+hi def link plaintexInclude                 Include
+hi def link plaintexRepeat                  Repeat
+
+hi def link plaintexCommand                 coretexCommand
+hi def link plaintexBoxCommand              plaintexCommand
+hi def link plaintexCharacterCommand        coretexCharacterCommand
+hi def link plaintexDebuggingCommand        coretexDebuggingCommand
+hi def link plaintexFontsCommand            coretexFontsCommand
+hi def link plaintexGlueCommand             plaintexCommand
+hi def link plaintexInsertsCommand          plaintexCommand
+hi def link plaintexJobCommand              coretexJobCommand
+hi def link plaintexKernCommand             plaintexCommand
+hi def link plaintexMacroCommand            coretexMacroCommand
+hi def link plaintexPageCommand             plaintexCommand
+hi def link plaintexParagraphCommand        plaintexCommand
+hi def link plaintexPenaltiesCommand        plaintexCommand
+hi def link plaintexRegistersCommand        plaintexCommand
+hi def link plaintexTablesCommand           plaintexCommand
+
+hi def link plaintexMath                    String
+hi def link plaintexMathCommand             plaintexCommand
+hi def link plaintexMathBoxCommand          plaintexBoxCommand
+hi def link plaintexMathCharacterCommand    plaintexCharacterCommand
+hi def link plaintexMathDelimiter           plaintexDelimiter
+hi def link plaintexMathFontsCommand        plaintexFontsCommand
+hi def link plaintexMathLetter              plaintexMathCharacterCommand
+hi def link plaintexMathSymbol              plaintexMathLetter
+hi def link plaintexMathFunction            Function
+hi def link plaintexMathOperator            plaintexOperator
+hi def link plaintexMathPunctuation         plaintexCharacterCommand
+hi def link plaintexMathRelation            plaintexOperator
+
+hi def link plaintexParameterDimen          coretexParameterDimen
+hi def link plaintexMathParameterDimen      coretexMathParameterDimen
+hi def link plaintexParagraphParameterGlue  coretexParagraphParameterGlue
+hi def link plaintexFontParameterInteger    coretexFontParameterInteger
+hi def link plaintexJobParameterInteger     coretexJobParameterInteger
+hi def link plaintexPageParameterInteger    coretexPageParameterInteger
+hi def link plaintexPageParameterToken      coretexParameterToken
+
+let b:current_syntax = "plaintex"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+