" Vim syntax file
" Language: TeX
" Maintainer: Dr. Charles E. Campbell, Jr. <NdrchipO@ScampbellPfamily.AbizM>
" Last Change: Aug 22, 2011
" Version: 68
" URL: http://mysite.verizon.net/astronaut/vim/index.html#vimlinks_syntax
"
" Notes: {{{1
"
" 1. If you have a \begin{verbatim} that appears to overrun its boundaries,
" use %stopzone.
"
" 2. Run-on equations ($..$ and $$..$$, particularly) can also be stopped
" by suitable use of %stopzone.
"
" 3. If you have a slow computer, you may wish to modify
"
" syn sync maxlines=200
" syn sync minlines=50
"
" to values that are more to your liking.
"
" 4. There is no match-syncing for $...$ and $$...$$; hence large
" equation blocks constructed that way may exhibit syncing problems.
" (there's no difference between begin/end patterns)
"
" 5. If you have the variable "g:tex_no_error" defined then none of the
" lexical error-checking will be done.
"
" ie. let g:tex_no_error=1
" Version Clears: {{{1
" For version 5.x: Clear all syntax items
" For version 6.x: Quit when a syntax file was already loaded
if version < 600
syntax clear
elseif exists("b:current_syntax")
finish
endif
scriptencoding utf-8
" Define the default highlighting. {{{1
" For version 5.7 and earlier: only when not done already
" For version 5.8 and later: only when an item doesn't have highlighting yet
if version >= 508 || !exists("did_tex_syntax_inits")
let did_tex_syntax_inits = 1
if version < 508
command -nargs=+ HiLink hi link <args>
else
command -nargs=+ HiLink hi def link <args>
endif
endif
if exists("g:tex_tex") && !exists("g:tex_no_error")
let g:tex_no_error= 1
endif
" let user determine which classes of concealment will be supported
" a=accents/ligatures d=delimiters m=math symbols g=Greek s=superscripts/subscripts
if !exists("g:tex_conceal")
let s:tex_conceal= 'admgs'
else
let s:tex_conceal= g:tex_conceal
endif
" Determine whether or not to use "*.sty" mode {{{1
" The user may override the normal determination by setting
" g:tex_stylish to 1 (for "*.sty" mode)
" or to 0 else (normal "*.tex" mode)
" or on a buffer-by-buffer basis with b:tex_stylish
let s:extfname=expand("%:e")
if exists("g:tex_stylish")
let b:tex_stylish= g:tex_stylish
elseif !exists("b:tex_stylish")
if s:extfname == "sty" || s:extfname == "cls" || s:extfname == "clo" || s:extfname == "dtx" || s:extfname == "ltx"
let b:tex_stylish= 1
else
let b:tex_stylish= 0
endif
endif
" handle folding {{{1
if !exists("g:tex_fold_enabled")
let g:tex_fold_enabled= 0
elseif g:tex_fold_enabled && !has("folding")
let g:tex_fold_enabled= 0
echomsg "Ignoring g:tex_fold_enabled=".g:tex_fold_enabled."; need to re-compile vim for +fold support"
endif
if g:tex_fold_enabled && &fdm == "manual"
setl fdm=syntax
endif
" (La)TeX keywords: uses the characters 0-9,a-z,A-Z,192-255 only... {{{1
" but _ is the only one that causes problems.
" One may override this iskeyword setting by providing
" g:tex_isk
if exists("g:tex_isk")
exe "setlocal isk=".g:tex_isk
else
setlocal isk=48-57,a-z,A-Z,192-255
endif
if b:tex_stylish
setlocal isk+=@-@
endif
if exists("g:tex_nospell") && g:tex_nospell && !exists("g:tex_comment_nospell")
let g:tex_comment_nospell= 1
endif
" Clusters: {{{1
" --------
syn cluster texCmdGroup contains=texCmdBody,texComment,texDefParm,texDelimiter,texDocType,texInput,texLength,texLigature,texMathDelim,texMathOper,texNewCmd,texNewEnv,texRefZone,texSection,texSectionMarker,texSectionName,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle
if !exists("g:tex_no_error")
syn cluster texCmdGroup add=texMathError
endif
syn cluster texEnvGroup contains=texMatcher,texMathDelim,texSpecialChar,texStatement
syn cluster texFoldGroup contains=texAccent,texBadMath,texComment,texDefCmd,texDelimiter,texDocType,texInput,texInputFile,texLength,texLigature,texMatcher,texMathZoneV,texMathZoneW,texMathZoneX,texMathZoneY,texMathZoneZ,texNewCmd,texNewEnv,texOnlyMath,texOption,texParen,texRefZone,texSection,texSectionMarker,texSectionZone,texSpaceCode,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone,@texMathZones,texTitle,texAbstract
if !exists("g:tex_nospell") || !g:tex_nospell
syn cluster texMatchGroup contains=texAccent,texBadMath,texComment,texDefCmd,texDelimiter,texDocType,texInput,texLength,texLigature,texMatcher,texNewCmd,texNewEnv,texOnlyMath,texParen,texRefZone,texSection,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone,texInputFile,texOption,@Spell
syn cluster texStyleGroup contains=texAccent,texBadMath,texComment,texDefCmd,texDelimiter,texDocType,texInput,texLength,texLigature,texNewCmd,texNewEnv,texOnlyMath,texParen,texRefZone,texSection,texSpecialChar,texStatement,texString,texTypeSize,texTypeStyle,texZone,texInputFile,texOption,texStyleStatement,@Spell,texStyleMatcher
else
syn cluster texMatchGroup contains=texAccent,texBadMath,texComment,texDefCmd,texDelimiter,texDocType,texInput,texLength,texLigature,texMatcher,texNewCmd,texNewEnv,texOnlyMath,texParen,texRefZone,texSection,texSpecialChar,texStatement,texString,texTypeSize