Edit: plaintex.vim
" Vim syntax file " Language: TeX (plain.tex format) " Previous Maintainer: Nikolai Weibull <now@bitwi.se> " Latest Revision: 2006-10-26 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/initex.vim unlet b:current_syntax syn match plaintexComment display \ contains=ALLBUT,initexComment,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 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\)\>' if !exists("g:plaintex_no_math") syn region plaintexMath matchgroup=plaintexMath \ contains=@plaintexMath,@NoSpell \ start='\$' skip='\\\\\|\\\$' end='\$' syn region plaintexMath matchgroup=plaintexMath \ contains=@plaintexMath,@NoSpell keepend \ start='\$\$' skip='\\\\\|\\\$' end='\$\$' endif " Keep this after plaintexMath, as we don’t want math mode started at a \$. 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 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 initexCommand hi def link plaintexBoxCommand plaintexCommand hi def link plaintexCharacterCommand initexCharacterCommand hi def link plaintexDebuggingCommand initexDebuggingCommand hi def link plaintexFontsCommand initexFontsCommand hi def link plaintexGlueCommand plaintexCommand hi def link plaintexInsertsCommand plaintexCommand hi def link plaintexJobCommand initexJobCommand hi def link plaintexKernCommand plaintexCommand hi def link plaintexMacroCommand initexMacroCommand 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 initexParameterDimen hi def link plaintexMathParameterDimen initexMathParameterDimen hi def link plaintexParagraphParameterGlue initexParagraphParameterGlue hi def link plaintexFontParameterInteger initexFontParameterInteger hi def link plaintexJobParameterInteger initexJobParameterInteger hi def link plaintexPageParameterInteger initexPageParameterInteger hi def link plaintexPageParameterToken initexParameterToken let b:current_syntax = "plaintex" let &cpo = s:cpo_save unlet s:cpo_save
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