--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/runtime/syntax/rhelp.vim	Sat Nov 10 15:07:22 2007 +0900
@@ -0,0 +1,155 @@
+" Vim syntax file
+" Language:    R Help File
+" Maintainer:  Johannes Ranke <jranke@uni-bremen.de>
+" Last Change: 2006 Apr 24
+" Version:     0.7
+" SVN:		   $Id$
+" Remarks:     - Now 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
+
+" 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 {{{
+syn region rhelpIdentifier matchgroup=rhelpSection	start="\\name{" end="}" 
+syn region rhelpIdentifier matchgroup=rhelpSection	start="\\alias{" end="}" 
+syn region rhelpIdentifier matchgroup=rhelpSection	start="\\pkg{" end="}" 
+syn region rhelpIdentifier matchgroup=rhelpSection	start="\\item{" end="}" contained contains=rhelpDots
+syn region rhelpIdentifier matchgroup=rhelpSection start="\\method{" end=/}/ contained
+
+" Highlighting of R code using an existing r.vim syntax file if available {{{1
+syn include @R syntax/r.vim
+syn match rhelpDots		"\\dots" containedin=@R
+syn region rhelpRcode matchgroup=Delimiter start="\\examples{" matchgroup=Delimiter transparent end=/}/ contains=@R,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 contained
+syn region rhelpRcode matchgroup=Delimiter start="\\code{" matchgroup=Delimiter transparent end=/}/ contains=@R,rhelpLink contained
+syn region rhelpS4method matchgroup=Delimiter start="\\S4method{.*}(" matchgroup=Delimiter transparent end=/)/ contains=@R,rhelpDots contained
+
+" Strings {{{1
+syn region rhelpString start=/"/ end=/"/ 
+
+" Special characters  ( \$ \& \% \# \{ \} \_) {{{1
+syn match rhelpSpecialChar        "\\[$&%#{}_]"
+
+" 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  ">"
+
+" Links {{{1
+syn region rhelpLink matchgroup=rhelpSection start="\\link{" end="}" contained keepend
+syn region rhelpLink matchgroup=rhelpSection start="\\link\[.*\]{" end="}" contained keepend
+syn region rhelpLink matchgroup=rhelpSection start="\\linkS4class{" end="}" contained keepend
+
+" 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		"\\samp\>"
+syn match rhelpType		"\\eqn\>"
+syn match rhelpType		"\\deqn\>"
+syn match rhelpType		"\\file\>"
+syn match rhelpType		"\\email\>"
+syn match rhelpType		"\\url\>"
+syn match rhelpType		"\\var\>"
+syn match rhelpType		"\\env\>"
+syn match rhelpType		"\\option\>"
+syn match rhelpType		"\\command\>"
+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		"\\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$"
+syn match rhelpSection		"\\tabular{[lcr]*}"
+syn match rhelpSection		"\\dontrun\>"
+syn match rhelpSection		"\\dontshow\>"
+syn match rhelpSection		"\\testonly\>"
+
+" Freely named Sections {{{1
+syn region rhelpFreesec matchgroup=Delimiter start="\\section{" matchgroup=Delimiter transparent end=/}/ 
+
+" R help file comments {{{1
+syn match rhelpComment /%.*$/ contained 
+
+" Error {{{1
+syn region rhelpRegion matchgroup=Delimiter start=/(/ matchgroup=Delimiter end=/)/ transparent contains=ALLBUT,rhelpError,rhelpBraceError,rhelpCurlyError
+syn region rhelpRegion matchgroup=Delimiter start=/{/ matchgroup=Delimiter end=/}/ transparent contains=ALLBUT,rhelpError,rhelpBraceError,rhelpParenError
+syn region rhelpRegion matchgroup=Delimiter start=/\[/ matchgroup=Delimiter end=/]/ transparent contains=ALLBUT,rhelpError,rhelpCurlyError,rhelpParenError
+syn match rhelpError      /[)\]}]/
+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 rhelpIdentifier  Identifier
+  HiLink rhelpString      String
+  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 rhelpDelimiter   Delimiter
+  HiLink rhelpComment     Comment
+  HiLink rhelpRComment    Comment
+  HiLink rhelpSpecialChar SpecialChar
+  delcommand HiLink
+endif 
+
+let   b:current_syntax = "rhelp"
+" vim: foldmethod=marker: