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1 " Vim syntax file
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2 " Language: YAML (YAML Ain't Markup Language)
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3 " Maintainer: Nikolai Weibull <nikolai+work.vim@bitwi.se>
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4 " Latest Revision: 2005-06-27
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5
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6 if exists("b:current_syntax")
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7 finish
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8 endif
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9
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10 let s:cpo_save = &cpo
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11 set cpo&vim
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12
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13 syn keyword yamlTodo contained TODO FIXME XXX NOTE
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14
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15 syn region yamlComment matchgroup=yamlComment start='\%(^\|\s\)#'
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16 \ end='$' contains=yamlTodo,@Spell
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17
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18 syn match yamlNodeProperty '!\%(![^\\^% ]\+\|[^!][^:/ ]*\)'
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19
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20 syn match yamlAnchor '&.\+'
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21
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22 syn match yamlAlias '\*.\+'
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23
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24 syn match yamlDelimiter '[-,:]'
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25 syn match yamlBlock '[\[\]{}>|]'
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26 syn match yamlOperator '[?+-]'
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27 syn match yamlKey '\w\+\(\s\+\w\+\)*\ze\s*:'
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28
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29 syn region yamlString start=+"+ skip=+\\"+ end=+"+
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30 \ contains=yamlEscape
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31 syn region yamlString start=+'+ skip=+''+ end=+'+
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32 \ contains=yamlSingleEscape
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33 syn match yamlEscape contained display +\\[\\"abefnrtv^0_ NLP]+
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34 syn match yamlEscape contained display '\\x\x\{2}'
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35 syn match yamlEscape contained display '\\u\x\{4}'
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36 syn match yamlEscape contained display '\\U\x\{8}'
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37 " TODO: how do we get 0x85, 0x2028, and 0x2029 into this?
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38 syn match yamlEscape display '\\\%(\r\n\|[\r\n]\)'
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39 syn match yamlSingleEscape contained display +''+
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40
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41 " TODO: sexagecimal and fixed (20:30.15 and 1,230.15)
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42 syn match yamlNumber display
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43 \ '\<[+-]\=\d\+\%(\.\d\+\%([eE][+-]\=\d\+\)\=\)\='
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44 syn match yamlNumber display '0\o\+'
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45 syn match yamlNumber display '0x\x\+'
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46 syn match yamlNumber display '([+-]\=[iI]nf)'
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47 syn match yamlNumber display '(NaN)'
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48
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49 syn match yamlConstant '\<[~yn]\>'
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50 syn keyword yamlConstant true True TRUE false False FALSE
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51 syn keyword yamlConstant yes Yes on ON no No off OFF
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52 syn keyword yamlConstant null Null NULL nil Nil NIL
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53
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54 syn match yamlTimestamp '\d\d\d\d-\%(1[0-2]\|\d\)-\%(3[0-2]\|2\d\|1\d\|\d\)\%( \%([01]\d\|2[0-3]\):[0-5]\d:[0-5]\d.\d\d [+-]\%([01]\d\|2[0-3]\):[0-5]\d\|t\%([01]\d\|2[0-3]\):[0-5]\d:[0-5]\d.\d\d[+-]\%([01]\d\|2[0-3]\):[0-5]\d\|T\%([01]\d\|2[0-3]\):[0-5]\d:[0-5]\d.\dZ\)\='
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55
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56 syn region yamlDocumentHeader start='---' end='$' contains=yamlDirective
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57 syn match yamlDocumentEnd '\.\.\.'
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58
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59 syn match yamlDirective contained '%[^:]\+:.\+'
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60
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61 hi def link yamlTodo Todo
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62 hi def link yamlComment Comment
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63 hi def link yamlDocumentHeader PreProc
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64 hi def link yamlDocumentEnd PreProc
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65 hi def link yamlDirective Keyword
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66 hi def link yamlNodeProperty Type
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67 hi def link yamlAnchor Type
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68 hi def link yamlAlias Type
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69 hi def link yamlDelimiter Delimiter
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70 hi def link yamlBlock Operator
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71 hi def link yamlOperator Operator
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72 hi def link yamlKey Identifier
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73 hi def link yamlString String
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74 hi def link yamlEscape SpecialChar
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75 hi def link yamlSingleEscape SpecialChar
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76 hi def link yamlNumber Number
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77 hi def link yamlConstant Constant
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78 hi def link yamlTimestamp Number
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79
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80 let b:current_syntax = "yaml"
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81
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82 let &cpo = s:cpo_save
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83 unlet s:cpo_save
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