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7
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1 " Vim syntax file
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2 " Language: OCaml
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3 " Filenames: *.ml *.mli *.mll *.mly
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550
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4 " Maintainers: Markus Mottl <markus.mottl@gmail.com>
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20
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5 " Karl-Heinz Sylla <Karl-Heinz.Sylla@gmd.de>
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6 " Issac Trotts <ijtrotts@ucdavis.edu>
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550
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7 " URL: http://www.ocaml.info/vim/syntax/ocaml.vim
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5244
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8 " Last Change: 2012 May 12 - Added Dominique Pellé's spell checking patch (MM)
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9 " 2012 Feb 01 - Improved module path highlighting (MM)
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10 " 2010 Oct 11 - Added highlighting of lnot (MM, thanks to Erick Matsen)
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550
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11
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12 " A minor patch was applied to the official version so that object/end
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13 " can be distinguished from begin/end, which is used for indentation,
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14 " and folding. (David Baelde)
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7
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15
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16 " For version 5.x: Clear all syntax items
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17 " For version 6.x: Quit when a syntax file was already loaded
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18 if version < 600
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19 syntax clear
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826
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20 elseif exists("b:current_syntax") && b:current_syntax == "ocaml"
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7
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21 finish
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22 endif
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23
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24 " OCaml is case sensitive.
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25 syn case match
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26
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2833
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27 " Access to the method of an object
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28 syn match ocamlMethod "#"
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29
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7
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30 " Script headers highlighted like comments
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5244
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31 syn match ocamlComment "^#!.*" contains=@Spell
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7
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32
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33 " Scripting directives
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2833
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34 syn match ocamlScript "^#\<\(quit\|labels\|warnings\|directory\|cd\|load\|use\|install_printer\|remove_printer\|require\|thread\|trace\|untrace\|untrace_all\|print_depth\|print_length\|camlp4o\)\>"
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1121
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35
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7
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36 " lowercase identifier - the standard way to match
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37 syn match ocamlLCIdentifier /\<\(\l\|_\)\(\w\|'\)*\>/
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38
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39 syn match ocamlKeyChar "|"
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40
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41 " Errors
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42 syn match ocamlBraceErr "}"
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43 syn match ocamlBrackErr "\]"
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44 syn match ocamlParenErr ")"
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45 syn match ocamlArrErr "|]"
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46
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47 syn match ocamlCommentErr "\*)"
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48
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49 syn match ocamlCountErr "\<downto\>"
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50 syn match ocamlCountErr "\<to\>"
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51
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52 if !exists("ocaml_revised")
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53 syn match ocamlDoErr "\<do\>"
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54 endif
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55
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56 syn match ocamlDoneErr "\<done\>"
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57 syn match ocamlThenErr "\<then\>"
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58
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59 " Error-highlighting of "end" without synchronization:
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60 " as keyword or as error (default)
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61 if exists("ocaml_noend_error")
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62 syn match ocamlKeyword "\<end\>"
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63 else
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64 syn match ocamlEndErr "\<end\>"
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65 endif
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66
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67 " Some convenient clusters
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68 syn cluster ocamlAllErrs contains=ocamlBraceErr,ocamlBrackErr,ocamlParenErr,ocamlCommentErr,ocamlCountErr,ocamlDoErr,ocamlDoneErr,ocamlEndErr,ocamlThenErr
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69
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70 syn cluster ocamlAENoParen contains=ocamlBraceErr,ocamlBrackErr,ocamlCommentErr,ocamlCountErr,ocamlDoErr,ocamlDoneErr,ocamlEndErr,ocamlThenErr
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71
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2833
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72 syn cluster ocamlContained contains=ocamlTodo,ocamlPreDef,ocamlModParam,ocamlModParam1,ocamlPreMPRestr,ocamlMPRestr,ocamlMPRestr1,ocamlMPRestr2,ocamlMPRestr3,ocamlModRHS,ocamlFuncWith,ocamlFuncStruct,ocamlModTypeRestr,ocamlModTRWith,ocamlWith,ocamlWithRest,ocamlModType,ocamlFullMod,ocamlVal
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7
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73
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74
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75 " Enclosing delimiters
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76 syn region ocamlEncl transparent matchgroup=ocamlKeyword start="(" matchgroup=ocamlKeyword end=")" contains=ALLBUT,@ocamlContained,ocamlParenErr
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77 syn region ocamlEncl transparent matchgroup=ocamlKeyword start="{" matchgroup=ocamlKeyword end="}" contains=ALLBUT,@ocamlContained,ocamlBraceErr
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78 syn region ocamlEncl transparent matchgroup=ocamlKeyword start="\[" matchgroup=ocamlKeyword end="\]" contains=ALLBUT,@ocamlContained,ocamlBrackErr
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79 syn region ocamlEncl transparent matchgroup=ocamlKeyword start="\[|" matchgroup=ocamlKeyword end="|\]" contains=ALLBUT,@ocamlContained,ocamlArrErr
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80
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81
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82 " Comments
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5244
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83 syn region ocamlComment start="(\*" end="\*)" contains=@Spell,ocamlComment,ocamlTodo
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550
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84 syn keyword ocamlTodo contained TODO FIXME XXX NOTE
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7
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85
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86
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87 " Objects
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550
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88 syn region ocamlEnd matchgroup=ocamlObject start="\<object\>" matchgroup=ocamlObject end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr
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7
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89
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90
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91 " Blocks
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92 if !exists("ocaml_revised")
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93 syn region ocamlEnd matchgroup=ocamlKeyword start="\<begin\>" matchgroup=ocamlKeyword end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr
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94 endif
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95
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96
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97 " "for"
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98 syn region ocamlNone matchgroup=ocamlKeyword start="\<for\>" matchgroup=ocamlKeyword end="\<\(to\|downto\)\>" contains=ALLBUT,@ocamlContained,ocamlCountErr
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99
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100
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101 " "do"
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102 if !exists("ocaml_revised")
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103 syn region ocamlDo matchgroup=ocamlKeyword start="\<do\>" matchgroup=ocamlKeyword end="\<done\>" contains=ALLBUT,@ocamlContained,ocamlDoneErr
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104 endif
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105
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106 " "if"
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107 syn region ocamlNone matchgroup=ocamlKeyword start="\<if\>" matchgroup=ocamlKeyword end="\<then\>" contains=ALLBUT,@ocamlContained,ocamlThenErr
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108
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109
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110 "" Modules
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111
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112 " "sig"
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113 syn region ocamlSig matchgroup=ocamlModule start="\<sig\>" matchgroup=ocamlModule end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr,ocamlModule
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114 syn region ocamlModSpec matchgroup=ocamlKeyword start="\<module\>" matchgroup=ocamlModule end="\<\u\(\w\|'\)*\>" contained contains=@ocamlAllErrs,ocamlComment skipwhite skipempty nextgroup=ocamlModTRWith,ocamlMPRestr
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115
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116 " "open"
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5244
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117 syn region ocamlNone matchgroup=ocamlKeyword start="\<open\>" matchgroup=ocamlModule end="\<\u\(\w\|'\)*\( *\. *\u\(\w\|'\)*\)*\>" contains=@ocamlAllErrs,ocamlComment
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7
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118
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119 " "include"
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550
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120 syn match ocamlKeyword "\<include\>" skipwhite skipempty nextgroup=ocamlModParam,ocamlFullMod
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7
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121
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122 " "module" - somewhat complicated stuff ;-)
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123 syn region ocamlModule matchgroup=ocamlKeyword start="\<module\>" matchgroup=ocamlModule end="\<\u\(\w\|'\)*\>" contains=@ocamlAllErrs,ocamlComment skipwhite skipempty nextgroup=ocamlPreDef
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2833
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124 syn region ocamlPreDef start="."me=e-1 matchgroup=ocamlKeyword end="\l\|=\|)"me=e-1 contained contains=@ocamlAllErrs,ocamlComment,ocamlModParam,ocamlModTypeRestr,ocamlModTRWith nextgroup=ocamlModPreRHS
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125 syn region ocamlModParam start="([^*]" end=")" contained contains=@ocamlAENoParen,ocamlModParam1,ocamlVal
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7
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126 syn match ocamlModParam1 "\<\u\(\w\|'\)*\>" contained skipwhite skipempty nextgroup=ocamlPreMPRestr
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127
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128 syn region ocamlPreMPRestr start="."me=e-1 end=")"me=e-1 contained contains=@ocamlAllErrs,ocamlComment,ocamlMPRestr,ocamlModTypeRestr
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129
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130 syn region ocamlMPRestr start=":" end="."me=e-1 contained contains=@ocamlComment skipwhite skipempty nextgroup=ocamlMPRestr1,ocamlMPRestr2,ocamlMPRestr3
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131 syn region ocamlMPRestr1 matchgroup=ocamlModule start="\ssig\s\=" matchgroup=ocamlModule end="\<end\>" contained contains=ALLBUT,@ocamlContained,ocamlEndErr,ocamlModule
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132 syn region ocamlMPRestr2 start="\sfunctor\(\s\|(\)\="me=e-1 matchgroup=ocamlKeyword end="->" contained contains=@ocamlAllErrs,ocamlComment,ocamlModParam skipwhite skipempty nextgroup=ocamlFuncWith,ocamlMPRestr2
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133 syn match ocamlMPRestr3 "\w\(\w\|'\)*\( *\. *\w\(\w\|'\)*\)*" contained
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7
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134 syn match ocamlModPreRHS "=" contained skipwhite skipempty nextgroup=ocamlModParam,ocamlFullMod
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2833
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135 syn keyword ocamlKeyword val
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5244
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136 syn region ocamlVal matchgroup=ocamlKeyword start="\<val\>" matchgroup=ocamlLCIdentifier end="\<\l\(\w\|'\)*\>" contains=@ocamlAllErrs,ocamlComment,ocamlFullMod skipwhite skipempty nextgroup=ocamlMPRestr
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137 syn region ocamlModRHS start="." end=". *\w\|([^*]"me=e-2 contained contains=ocamlComment skipwhite skipempty nextgroup=ocamlModParam,ocamlFullMod
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138 syn match ocamlFullMod "\<\u\(\w\|'\)*\( *\. *\u\(\w\|'\)*\)*" contained skipwhite skipempty nextgroup=ocamlFuncWith
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7
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139
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140 syn region ocamlFuncWith start="([^*]"me=e-1 end=")" contained contains=ocamlComment,ocamlWith,ocamlFuncStruct skipwhite skipempty nextgroup=ocamlFuncWith
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141 syn region ocamlFuncStruct matchgroup=ocamlModule start="[^a-zA-Z]struct\>"hs=s+1 matchgroup=ocamlModule end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr
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142
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5244
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143 syn match ocamlModTypeRestr "\<\w\(\w\|'\)*\( *\. *\w\(\w\|'\)*\)*\>" contained
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7
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144 syn region ocamlModTRWith start=":\s*("hs=s+1 end=")" contained contains=@ocamlAENoParen,ocamlWith
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5244
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145 syn match ocamlWith "\<\(\u\(\w\|'\)* *\. *\)*\w\(\w\|'\)*\>" contained skipwhite skipempty nextgroup=ocamlWithRest
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7
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146 syn region ocamlWithRest start="[^)]" end=")"me=e-1 contained contains=ALLBUT,@ocamlContained
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147
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2833
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148 " "struct"
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149 syn region ocamlStruct matchgroup=ocamlModule start="\<\(module\s\+\)\=struct\>" matchgroup=ocamlModule end="\<end\>" contains=ALLBUT,@ocamlContained,ocamlEndErr
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150
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7
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151 " "module type"
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2833
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152 syn region ocamlKeyword start="\<module\>\s*\<type\>\(\s*\<of\>\)\=" matchgroup=ocamlModule end="\<\w\(\w\|'\)*\>" contains=ocamlComment skipwhite skipempty nextgroup=ocamlMTDef
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5244
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153 syn match ocamlMTDef "=\s*\w\(\w\|'\)*\>"hs=s+1,me=s+1 skipwhite skipempty nextgroup=ocamlFullMod
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7
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154
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155 syn keyword ocamlKeyword and as assert class
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156 syn keyword ocamlKeyword constraint else
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157 syn keyword ocamlKeyword exception external fun
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158
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159 syn keyword ocamlKeyword in inherit initializer
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160 syn keyword ocamlKeyword land lazy let match
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161 syn keyword ocamlKeyword method mutable new of
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162 syn keyword ocamlKeyword parser private raise rec
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163 syn keyword ocamlKeyword try type
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2833
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164 syn keyword ocamlKeyword virtual when while with
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7
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165
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166 if exists("ocaml_revised")
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167 syn keyword ocamlKeyword do value
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168 syn keyword ocamlBoolean True False
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169 else
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170 syn keyword ocamlKeyword function
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171 syn keyword ocamlBoolean true false
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172 syn match ocamlKeyChar "!"
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173 endif
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174
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550
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175 syn keyword ocamlType array bool char exn float format format4
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176 syn keyword ocamlType int int32 int64 lazy_t list nativeint option
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177 syn keyword ocamlType string unit
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7
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178
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2833
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179 syn keyword ocamlOperator asr lnot lor lsl lsr lxor mod not
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7
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180
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181 syn match ocamlConstructor "(\s*)"
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182 syn match ocamlConstructor "\[\s*\]"
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183 syn match ocamlConstructor "\[|\s*>|]"
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184 syn match ocamlConstructor "\[<\s*>\]"
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185 syn match ocamlConstructor "\u\(\w\|'\)*\>"
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186
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187 " Polymorphic variants
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188 syn match ocamlConstructor "`\w\(\w\|'\)*\>"
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189
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190 " Module prefix
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5244
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191 syn match ocamlModPath "\u\(\w\|'\)* *\."he=e-1
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7
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192
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193 syn match ocamlCharacter "'\\\d\d\d'\|'\\[\'ntbr]'\|'.'"
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2833
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194 syn match ocamlCharacter "'\\x\x\x'"
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7
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195 syn match ocamlCharErr "'\\\d\d'\|'\\\d'"
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196 syn match ocamlCharErr "'\\[^\'ntbr]'"
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5244
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197 syn region ocamlString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@Spell
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7
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198
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199 syn match ocamlFunDef "->"
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200 syn match ocamlRefAssign ":="
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201 syn match ocamlTopStop ";;"
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202 syn match ocamlOperator "\^"
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203 syn match ocamlOperator "::"
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204
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205 syn match ocamlOperator "&&"
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206 syn match ocamlOperator "<"
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207 syn match ocamlOperator ">"
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208 syn match ocamlAnyVar "\<_\>"
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209 syn match ocamlKeyChar "|[^\]]"me=e-1
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210 syn match ocamlKeyChar ";"
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211 syn match ocamlKeyChar "\~"
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212 syn match ocamlKeyChar "?"
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213 syn match ocamlKeyChar "\*"
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214 syn match ocamlKeyChar "="
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215
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216 if exists("ocaml_revised")
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550
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217 syn match ocamlErr "<-"
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7
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218 else
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550
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219 syn match ocamlOperator "<-"
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7
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220 endif
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221
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1121
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222 syn match ocamlNumber "\<-\=\d\(_\|\d\)*[l|L|n]\?\>"
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223 syn match ocamlNumber "\<-\=0[x|X]\(\x\|_\)\+[l|L|n]\?\>"
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224 syn match ocamlNumber "\<-\=0[o|O]\(\o\|_\)\+[l|L|n]\?\>"
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225 syn match ocamlNumber "\<-\=0[b|B]\([01]\|_\)\+[l|L|n]\?\>"
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226 syn match ocamlFloat "\<-\=\d\(_\|\d\)*\.\?\(_\|\d\)*\([eE][-+]\=\d\(_\|\d\)*\)\=\>"
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7
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227
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228 " Labels
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550
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229 syn match ocamlLabel "\~\(\l\|_\)\(\w\|'\)*"lc=1
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230 syn match ocamlLabel "?\(\l\|_\)\(\w\|'\)*"lc=1
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7
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231 syn region ocamlLabel transparent matchgroup=ocamlLabel start="?(\(\l\|_\)\(\w\|'\)*"lc=2 end=")"me=e-1 contains=ALLBUT,@ocamlContained,ocamlParenErr
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232
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233
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234 " Synchronization
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235 syn sync minlines=50
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236 syn sync maxlines=500
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237
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238 if !exists("ocaml_revised")
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239 syn sync match ocamlDoSync grouphere ocamlDo "\<do\>"
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240 syn sync match ocamlDoSync groupthere ocamlDo "\<done\>"
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241 endif
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242
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243 if exists("ocaml_revised")
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244 syn sync match ocamlEndSync grouphere ocamlEnd "\<\(object\)\>"
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245 else
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246 syn sync match ocamlEndSync grouphere ocamlEnd "\<\(begin\|object\)\>"
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247 endif
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248
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249 syn sync match ocamlEndSync groupthere ocamlEnd "\<end\>"
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250 syn sync match ocamlStructSync grouphere ocamlStruct "\<struct\>"
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251 syn sync match ocamlStructSync groupthere ocamlStruct "\<end\>"
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252 syn sync match ocamlSigSync grouphere ocamlSig "\<sig\>"
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253 syn sync match ocamlSigSync groupthere ocamlSig "\<end\>"
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254
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255 " Define the default highlighting.
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256 " For version 5.7 and earlier: only when not done already
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257 " For version 5.8 and later: only when an item doesn't have highlighting yet
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258 if version >= 508 || !exists("did_ocaml_syntax_inits")
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259 if version < 508
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260 let did_ocaml_syntax_inits = 1
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261 command -nargs=+ HiLink hi link <args>
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262 else
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263 command -nargs=+ HiLink hi def link <args>
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264 endif
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265
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266 HiLink ocamlBraceErr Error
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267 HiLink ocamlBrackErr Error
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268 HiLink ocamlParenErr Error
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269 HiLink ocamlArrErr Error
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270
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271 HiLink ocamlCommentErr Error
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272
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273 HiLink ocamlCountErr Error
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274 HiLink ocamlDoErr Error
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275 HiLink ocamlDoneErr Error
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276 HiLink ocamlEndErr Error
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277 HiLink ocamlThenErr Error
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278
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279 HiLink ocamlCharErr Error
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280
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281 HiLink ocamlErr Error
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282
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283 HiLink ocamlComment Comment
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284
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285 HiLink ocamlModPath Include
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550
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286 HiLink ocamlObject Include
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7
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287 HiLink ocamlModule Include
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288 HiLink ocamlModParam1 Include
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289 HiLink ocamlModType Include
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290 HiLink ocamlMPRestr3 Include
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291 HiLink ocamlFullMod Include
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292 HiLink ocamlModTypeRestr Include
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293 HiLink ocamlWith Include
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294 HiLink ocamlMTDef Include
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295
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296 HiLink ocamlScript Include
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297
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298 HiLink ocamlConstructor Constant
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299
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2833
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300 HiLink ocamlVal Keyword
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7
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301 HiLink ocamlModPreRHS Keyword
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302 HiLink ocamlMPRestr2 Keyword
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303 HiLink ocamlKeyword Keyword
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1121
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304 HiLink ocamlMethod Include
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7
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305 HiLink ocamlFunDef Keyword
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306 HiLink ocamlRefAssign Keyword
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307 HiLink ocamlKeyChar Keyword
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308 HiLink ocamlAnyVar Keyword
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309 HiLink ocamlTopStop Keyword
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310 HiLink ocamlOperator Keyword
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311
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312 HiLink ocamlBoolean Boolean
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313 HiLink ocamlCharacter Character
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314 HiLink ocamlNumber Number
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315 HiLink ocamlFloat Float
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316 HiLink ocamlString String
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317
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318 HiLink ocamlLabel Identifier
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319
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320 HiLink ocamlType Type
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321
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322 HiLink ocamlTodo Todo
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323
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324 HiLink ocamlEncl Keyword
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325
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326 delcommand HiLink
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327 endif
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328
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329 let b:current_syntax = "ocaml"
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330
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331 " vim: ts=8
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