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" Vim syntax file
" Language: R Help File
" Maintainer: Jakson Aquino <jalvesaq@gmail.com>
" Former Maintainer: Johannes Ranke <jranke@uni-bremen.de>
" Last Change: Fri Oct 14, 2011 09:54PM
" Version: 0.7.4
" SVN: $Id: rhelp.vim 90 2010-11-22 10:58:11Z ranke $
" Remarks: - Includes R syntax highlighting in the appropriate
" sections if an r.vim file is in the same directory or in the
" default debian location.
" - There is no Latex markup in equations
" - Thanks to Will Gray for finding and fixing a bug
" - No support for \if, \ifelse and \out as I don't understand
" them and have no examples at hand (help welcome).
" - No support for \var tag within quoted string (dito)
" Version Clears: {{{1
" For version 5.x: Clear all syntax items
" For version 6.x and 7.x: Quit when a syntax file was already loaded
if version < 600
syntax clear
elseif exists("b:current_syntax")
finish
endif
syn case match
" R help identifiers {{{1
syn region rhelpIdentifier matchgroup=rhelpSection start="\\name{" end="}"
syn region rhelpIdentifier matchgroup=rhelpSection start="\\alias{" end="}"
syn region rhelpIdentifier matchgroup=rhelpSection start="\\pkg{" end="}" contains=rhelpLink
syn region rhelpIdentifier matchgroup=rhelpSection start="\\method{" end="}" contained
syn region rhelpIdentifier matchgroup=rhelpSection start="\\Rdversion{" end="}"
" Highlighting of R code using an existing r.vim syntax file if available {{{1
syn include @R syntax/r.vim
" Strings {{{1
syn region rhelpString start=/"/ skip=/\\"/ end=/"/ contains=rhelpSpecialChar,rhelpCodeSpecial,rhelpLink contained
" Special characters in R strings
syn match rhelpCodeSpecial display contained "\\\\\(n\|r\|t\|b\|a\|f\|v\|'\|\"\)\|\\\\"
" Special characters ( \$ \& \% \# \{ \} \_)
syn match rhelpSpecialChar "\\[$&%#{}_]"
" R code {{{1
syn match rhelpDots "\\dots" containedin=@R
syn region rhelpRcode matchgroup=Delimiter start="\\examples{" matchgroup=Delimiter transparent end="}" contains=@R,rhelpLink,rhelpIdentifier,rhelpString,rhelpSpecialChar,rhelpSection
syn region rhelpRcode matchgroup=Delimiter start="\\usage{" matchgroup=Delimiter transparent end="}" contains=@R,rhelpIdentifier,rhelpS4method
syn region rhelpRcode matchgroup=Delimiter start="\\synopsis{" matchgroup=Delimiter transparent end="}" contains=@R
syn region rhelpRcode matchgroup=Delimiter start="\\special{" matchgroup=Delimiter transparent end="}" contains=@R
syn region rhelpRcode matchgroup=Delimiter start="\\code{" skip='\\\@<!{.\{-}\\\@<!}' transparent end="}" contains=@R,rhelpDots,rhelpString,rhelpSpecialChar,rhelpLink keepend
syn region rhelpS4method matchgroup=Delimiter start="\\S4method{.*}(" matchgroup=Delimiter transparent end=")" contains=@R,rhelpDots
syn region rhelpSexpr matchgroup=Delimiter start="\\Sexpr{" matchgroup=Delimiter transparent end="}" contains=@R
" PreProc {{{1
syn match rhelpPreProc "^#ifdef.*"
syn match rhelpPreProc "^#endif.*"
" Special Delimiters {{{1
syn match rhelpDelimiter "\\cr"
syn match rhelpDelimiter "\\tab "
" Keywords {{{1
syn match rhelpKeyword "\\R"
syn match rhelpKeyword "\\ldots"
syn match rhelpKeyword "--"
syn match rhelpKeyword "---"
syn match rhelpKeyword "<"
syn match rhelpKeyword ">"
syn match rhelpKeyword "\\ge"
syn match rhelpKeyword "\\le"
syn match rhelpKeyword "\\alpha"
syn match rhelpKeyword "\\beta"
syn match rhelpKeyword "\\gamma"
syn match rhelpKeyword "\\delta"
syn match rhelpKeyword "\\epsilon"
syn match rhelpKeyword "\\zeta"
syn match rhelpKeyword "\\eta"
syn match rhelpKeyword "\\theta"
syn match rhelpKeyword "\\iota"
syn match rhelpKeyword "\\kappa"
syn match rhelpKeyword "\\lambda"
syn match rhelpKeyword "\\mu"
syn match rhelpKeyword "\\nu"
syn match rhelpKeyword "\\xi"
syn match rhelpKeyword "\\omicron"
syn match rhelpKeyword "\\pi"
syn match rhelpKeyword "\\rho"
syn match rhelpKeyword "\\sigma"
syn match rhelpKeyword "\\tau"
syn match rhelpKeyword "\\upsilon"
syn match rhelpKeyword "\\phi"
syn match rhelpKeyword "\\chi"
syn match rhelpKeyword "\\psi"
syn match rhelpKeyword "\\omega"
syn match rhelpKeyword "\\Alpha"
syn match rhelpKeyword "\\Beta"
syn match rhelpKeyword "\\Gamma"
syn match rhelpKeyword "\\Delta"
syn match rhelpKeyword "\\Epsilon"
syn match rhelpKeyword "\\Zeta"
syn match rhelpKeyword "\\Eta"
syn match rhelpKeyword "\\Theta"
syn match rhelpKeyword "\\Iota"
syn match rhelpKeyword "\\Kappa"
syn match rhelpKeyword "\\Lambda"
syn match rhelpKeyword "\\Mu"
syn match rhelpKeyword "\\Nu"
syn match rhelpKeyword "\\Xi"
syn match rhelpKeyword "\\Omicron"
syn match rhelpKeyword "\\Pi"
syn match rhelpKeyword "\\Rho"
syn match rhelpKeyword "\\Sigma"
syn match rhelpKeyword "\\Tau"
syn match rhelpKeyword "\\Upsilon"
syn match rhelpKeyword "\\Phi"
syn match rhelpKeyword "\\Chi"
syn match rhelpKeyword "\\Psi"
syn match rhelpKeyword "\\Omega"
" Links {{{1
syn region rhelpLink matchgroup=rhelpSection start="\\link{" end="}" contained keepend extend
syn region rhelpLink matchgroup=rhelpSection start="\\link\[.\{-}\]{" end="}" contained keepend extend
syn region rhelpLink matchgroup=rhelpSection start="\\linkS4class{" end="}" contained keepend extend
" Verbatim like {{{1
syn region rhelpVerbatim matchgroup=rhelpType start="\\samp{" skip='\\\@<!{.\{-}\\\@<!}' end="}" contains=rhelpSpecialChar,rhelpComment
syn region rhelpVerbatim matchgroup=rhelpType start="\\verb{" skip='\\\@<!{.\{-}\\\@<!}' end="}" contains=rhelpSpecialChar,rhelpComment
" Type Styles {{{1
syn match rhelpType "\\emph\>"
syn match rhelpType "\\strong\>"
syn match rhelpType "\\bold\>"
syn match rhelpType "\\sQuote\>"
syn match rhelpType "\\dQuote\>"
syn match rhelpType "\\preformatted\>"
syn match rhelpType "\\kbd\>"
syn match rhelpType "\\eqn\>"
syn match rhelpType "\\deqn\>"
syn match rhelpType "\\file\>"
syn match rhelpType "\\email\>"
syn match rhelpType "\\url\>"
syn match rhelpType "\\href\>"
syn match rhelpType "\\var\>"
syn match rhelpType "\\env\>"
syn match rhelpType "\\option\>"
syn match rhelpType "\\command\>"
syn match rhelpType "\\newcommand\>"
syn match rhelpType "\\renewcommand\>"
syn match rhelpType "\\dfn\>"
syn match rhelpType "\\cite\>"
syn match rhelpType "\\acronym\>"
" rhelp sections {{{1
syn match rhelpSection "\\encoding\>"
syn match rhelpSection "\\title\>"
syn match rhelpSection "\\item\>"
syn match rhelpSection "\\description\>"
syn match rhelpSection "\\concept\>"
syn match rhelpSection "\\arguments\>"
syn match rhelpSection "\\details\>"
syn match rhelpSection "\\value\>"
syn match rhelpSection "\\references\>"
syn match rhelpSection "\\note\>"
syn match rhelpSection "\\author\>"
syn match rhelpSection "\\seealso\>"
syn match rhelpSection "\\keyword\>"
syn match rhelpSection "\\docType\>"
syn match rhelpSection "\\format\>"
syn match rhelpSection "\\source\>"
syn match rhelpSection "\\itemize\>"
syn match rhelpSection "\\describe\>"
syn match rhelpSection "\\enumerate\>"
syn match rhelpSection "\\item "
syn match rhelpSection "\\item$"
syn match rhelpSection "\\tabular{[lcr]*}"
syn match rhelpSection "\\dontrun\>"
syn match rhelpSection "\\dontshow\>"
syn match rhelpSection "\\testonly\>"
syn match rhelpSection "\\donttest\>"
" Freely named Sections {{{1
syn region rhelpFreesec matchgroup=Delimiter start="\\section{" matchgroup=Delimiter transparent end="}"
syn region rhelpFreesubsec matchgroup=Delimiter start="\\subsection{" matchgroup=Delimiter transparent end="}"
syn match rhelpDelimiter "{\|\[\|(\|)\|\]\|}"
" R help file comments {{{1
syn match rhelpComment /%.*$/
" Error {{{1
syn region rhelpRegion matchgroup=Delimiter start=/(/ matchgroup=Delimiter end=/)/ contains=@Spell,rhelpCodeSpecial,rhelpComment,rhelpDelimiter,rhelpDots,rhelpFreesec,rhelpFreesubsec,rhelpIdentifier,rhelpKeyword,rhelpLink,rhelpPreProc,rhelpRComment,rhelpRcode,rhelpRegion,rhelpS4method,rhelpSection,rhelpSexpr,rhelpSpecialChar,rhelpString,rhelpType,rhelpVerbatim
syn region rhelpRegion matchgroup=Delimiter start=/{/ matchgroup=Delimiter end=/}/ contains=@Spell,rhelpCodeSpecial,rhelpComment,rhelpDelimiter,rhelpDots,rhelpFreesec,rhelpFreesubsec,rhelpIdentifier,rhelpKeyword,rhelpLink,rhelpPreProc,rhelpRComment,rhelpRcode,rhelpRegion,rhelpS4method,rhelpSection,rhelpSexpr,rhelpSpecialChar,rhelpString,rhelpType,rhelpVerbatim
syn region rhelpRegion matchgroup=Delimiter start=/\[/ matchgroup=Delimiter end=/]/ contains=@Spell,rhelpCodeSpecial,rhelpComment,rhelpDelimiter,rhelpDots,rhelpFreesec,rhelpFreesubsec,rhelpIdentifier,rhelpKeyword,rhelpLink,rhelpPreProc,rhelpRComment,rhelpRcode,rhelpRegion,rhelpS4method,rhelpSection,rhelpSexpr,rhelpSpecialChar,rhelpString,rhelpType,rhelpVerbatim
syn match rhelpError /[)\]}]/
syn match rhelpBraceError /[)}]/ contained
syn match rhelpCurlyError /[)\]]/ contained
syn match rhelpParenError /[\]}]/ contained
" 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_rhelp_syntax_inits")
if version < 508
let did_rhelp_syntax_inits = 1
command -nargs=+ HiLink hi link <args>
else
command -nargs=+ HiLink hi def link <args>
endif
HiLink rhelpVerbatim String
HiLink rhelpDelimiter Delimiter
HiLink rhelpIdentifier Identifier
HiLink rhelpString String
HiLink rhelpCodeSpecial Special
HiLink rhelpKeyword Keyword
HiLink rhelpDots Keyword
HiLink rhelpLink Underlined
HiLink rhelpType Type
HiLink rhelpSection PreCondit
HiLink rhelpError Error
HiLink rhelpBraceError Error
HiLink rhelpCurlyError Error
HiLink rhelpParenError Error
HiLink rhelpPreProc PreProc
HiLink rhelpDelimiter Delimiter
HiLink rhelpComment Comment
HiLink rhelpRComment Comment
HiLink rhelpSpecialChar SpecialChar
delcommand HiLink
endif
let b:current_syntax = "rhelp"
" vim: foldmethod=marker:
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