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1 " Vim syntax file
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2 " Language: BibTeX (bibliographic database format for (La)TeX)
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3 " Maintainer: Bernd Feige <Bernd.Feige@gmx.net>
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4 " Filenames: *.bib
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5 " Last Change: 2014 Mar 26
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7
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6
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7 " Thanks to those who pointed out problems with this file or supplied fixes!
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8
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9 " Initialization
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10 " ==============
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11 " For version 5.x: Clear all syntax items
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12 " For version 6.x: Quit when a syntax file was already loaded
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13 if version < 600
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14 syntax clear
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15 elseif exists("b:current_syntax")
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16 finish
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17 endif
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18
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19 let s:cpo_save = &cpo
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20 set cpo&vim
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21
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22 " Ignore case
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23 syn case ignore
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24
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25 " Keywords
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26 " ========
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27 syn keyword bibType contained article book booklet conference inbook
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28 syn keyword bibType contained incollection inproceedings manual
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29 syn keyword bibType contained mastersthesis misc phdthesis
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30 syn keyword bibType contained proceedings techreport unpublished
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31 syn keyword bibType contained string preamble
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32
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33 syn keyword bibEntryKw contained address annote author booktitle chapter
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34 syn keyword bibEntryKw contained crossref edition editor howpublished
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35 syn keyword bibEntryKw contained institution journal key month note
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36 syn keyword bibEntryKw contained number organization pages publisher
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37 syn keyword bibEntryKw contained school series title type volume year
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38 " Non-standard:
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39 syn keyword bibNSEntryKw contained abstract isbn issn keywords url
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40 " AMS mref http://www.ams.org/mref
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41 syn keyword bibNSEntryKw contained mrclass mrnumber mrreviewer fjournal coden
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42
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43 " Clusters
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44 " ========
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45 syn cluster bibVarContents contains=bibUnescapedSpecial,bibBrace,bibParen
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46 " This cluster is empty but things can be added externally:
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47 "syn cluster bibCommentContents
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48
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49 " Matches
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50 " =======
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51 syn match bibUnescapedSpecial contained /[^\\][%&]/hs=s+1
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52 syn match bibKey contained /\s*[^ \t}="]\+,/hs=s,he=e-1 nextgroup=bibField
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53 syn match bibVariable contained /[^{}," \t=]/
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54 syn region bibComment start=/./ end=/^\s*@/me=e-1 contains=@bibCommentContents nextgroup=bibEntry
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55 syn region bibQuote contained start=/"/ end=/"/ skip=/\(\\"\)/ contains=@bibVarContents
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56 syn region bibBrace contained start=/{/ end=/}/ skip=/\(\\[{}]\)/ contains=@bibVarContents
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57 syn region bibParen contained start=/(/ end=/)/ skip=/\(\\[()]\)/ contains=@bibVarContents
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58 syn region bibField contained start="\S\+\s*=\s*" end=/[}),]/me=e-1 contains=bibEntryKw,bibNSEntryKw,bibBrace,bibParen,bibQuote,bibVariable
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59 syn region bibEntryData contained start=/[{(]/ms=e+1 end=/[})]/me=e-1 contains=bibKey,bibField
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60 " Actually, 5.8 <= Vim < 6.0 would ignore the `fold' keyword anyway, but Vim<5.8 would produce
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61 " an error, so we explicitly distinguish versions with and without folding functionality:
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62 if version < 600
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63 syn region bibEntry start=/@\S\+\s*[{(]/ end=/^\s*[})]/ transparent contains=bibType,bibEntryData nextgroup=bibComment
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64 else
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65 syn region bibEntry start=/@\S\+\s*[{(]/ end=/^\s*[})]/ transparent fold contains=bibType,bibEntryData nextgroup=bibComment
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66 endif
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67 syn region bibComment2 start=/@Comment\s*[{(]/ end=/^\s*[})]/me=e-1 contains=@bibCommentContents nextgroup=bibEntry
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68
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69 " Synchronization
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70 " ===============
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71 syn sync match All grouphere bibEntry /^\s*@/
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72 syn sync maxlines=200
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73 syn sync minlines=50
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74
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75 " Highlighting defaults
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76 " =====================
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77 " Define the default highlighting.
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78 " For version 5.7 and earlier: only when not done already
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79 " For version 5.8 and later: only when an item doesn't have highlighting yet
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80 if version >= 508 || !exists("did_bib_syn_inits")
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81 if version < 508
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82 let did_bib_syn_inits = 1
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83 command -nargs=+ HiLink hi link <args>
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84 else
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85 command -nargs=+ HiLink hi def link <args>
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86 endif
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87 HiLink bibType Identifier
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88 HiLink bibEntryKw Statement
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89 HiLink bibNSEntryKw PreProc
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90 HiLink bibKey Special
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91 HiLink bibVariable Constant
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92 HiLink bibUnescapedSpecial Error
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93 HiLink bibComment Comment
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94 HiLink bibComment2 Comment
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95 delcommand HiLink
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96 endif
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97
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98 let b:current_syntax = "bib"
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99
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100 let &cpo = s:cpo_save
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101 unlet s:cpo_save
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