updated for version 7.0001
diff --git a/runtime/syntax/bib.vim b/runtime/syntax/bib.vim
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+" Vim syntax file
+" Language: BibTeX (bibliographic database format for (La)TeX)
+" Maintainer: Bernd Feige <Bernd.Feige@gmx.net>
+" Filenames: *.bib
+" Last Change: Apr 26, 2001
+" URL: http://home.t-online.de/home/Bernd.Feige/bib.vim
+
+" Thanks to those who pointed out problems with this file or supplied fixes!
+
+" Initialization
+" ==============
+" 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
+
+" Ignore case
+syn case ignore
+
+" Keywords
+" ========
+syn keyword bibType contained article book booklet conference inbook
+syn keyword bibType contained incollection inproceedings manual
+syn keyword bibType contained mastersthesis misc phdthesis
+syn keyword bibType contained proceedings techreport unpublished
+syn keyword bibType contained string
+
+syn keyword bibEntryKw contained address annote author booktitle chapter
+syn keyword bibEntryKw contained crossref edition editor howpublished
+syn keyword bibEntryKw contained institution journal key month note
+syn keyword bibEntryKw contained number organization pages publisher
+syn keyword bibEntryKw contained school series title type volume year
+" Non-standard:
+syn keyword bibNSEntryKw contained abstract isbn issn keywords url
+
+" Clusters
+" ========
+syn cluster bibVarContents contains=bibUnescapedSpecial,bibBrace,bibParen
+" This cluster is empty but things can be added externally:
+"syn cluster bibCommentContents
+
+" Matches
+" =======
+syn match bibUnescapedSpecial contained /[^\\][%&]/hs=s+1
+syn match bibKey contained /\s*[^ \t}="]\+,/hs=s,he=e-1 nextgroup=bibField
+syn match bibVariable contained /[^{}," \t=]/
+syn region bibComment start=/^/ end=/^\s*@/me=e-1 contains=@bibCommentContents nextgroup=bibEntry
+syn region bibQuote contained start=/"/ end=/"/ skip=/\(\\"\)/ contains=@bibVarContents
+syn region bibBrace contained start=/{/ end=/}/ skip=/\(\\[{}]\)/ contains=@bibVarContents
+syn region bibParen contained start=/(/ end=/)/ skip=/\(\\[()]\)/ contains=@bibVarContents
+syn region bibField contained start="\S\+\s*=\s*" end=/[}),]/me=e-1 contains=bibEntryKw,bibNSEntryKw,bibBrace,bibParen,bibQuote,bibVariable
+syn region bibEntryData contained start=/[{(]/ms=e+1 end=/[})]/me=e-1 contains=bibKey,bibField
+" Actually, 5.8 <= Vim < 6.0 would ignore the `fold' keyword anyway, but Vim<5.8 would produce
+" an error, so we explicitly distinguish versions with and without folding functionality:
+if version < 600
+ syn region bibEntry start=/@\S\+[{(]/ end=/^\s*[})]/ transparent contains=bibType,bibEntryData nextgroup=bibComment
+else
+ syn region bibEntry start=/@\S\+[{(]/ end=/^\s*[})]/ transparent fold contains=bibType,bibEntryData nextgroup=bibComment
+endif
+
+" Synchronization
+" ===============
+syn sync match All grouphere bibEntry /^\s*@/
+syn sync maxlines=200
+syn sync minlines=50
+
+" Highlighting defaults
+" =====================
+" Define the default highlighting.
+" 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_bib_syn_inits")
+ if version < 508
+ let did_bib_syn_inits = 1
+ command -nargs=+ HiLink hi link <args>
+ else
+ command -nargs=+ HiLink hi def link <args>
+ endif
+ HiLink bibType Identifier
+ HiLink bibEntryKw Statement
+ HiLink bibNSEntryKw PreProc
+ HiLink bibKey Special
+ HiLink bibVariable Constant
+ HiLink bibUnescapedSpecial Error
+ HiLink bibComment Comment
+ delcommand HiLink
+endif
+
+let b:current_syntax = "bib"