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7
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1 " Vim syntax file
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2 " Language: C-shell (csh)
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6479
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3 " Maintainer: Charles E. Campbell <NdrOchipS@PcampbellAfamily.Mbiz>
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6744
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4 " Last Change: Oct 23, 2014
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6479
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5 " Version: 11
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6 " URL: http://www.drchip.org/astronaut/vim/index.html#SYNTAX_CSH
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7
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7
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8 " For version 5.x: Clear all syntax items
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9 " For version 6.x: Quit when a syntax file was already loaded
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10 if version < 600
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11 syntax clear
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12 elseif exists("b:current_syntax")
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13 finish
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14 endif
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15
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16 " clusters:
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17 syn cluster cshQuoteList contains=cshDblQuote,cshSnglQuote,cshBckQuote
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18 syn cluster cshVarList contains=cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst
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19
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20 " Variables which affect the csh itself
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21 syn match cshSetVariables contained "argv\|histchars\|ignoreeof\|noglob\|prompt\|status"
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22 syn match cshSetVariables contained "cdpath\|history\|mail\|nonomatch\|savehist\|time"
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23 syn match cshSetVariables contained "cwd\|home\|noclobber\|path\|shell\|verbose"
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24 syn match cshSetVariables contained "echo"
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25
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26 syn case ignore
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27 syn keyword cshTodo contained todo
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28 syn case match
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29
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30 " Variable Name Expansion Modifiers
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31 syn match cshModifier contained ":\(h\|t\|r\|q\|x\|gh\|gt\|gr\)"
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32
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33 " Strings and Comments
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34 syn match cshNoEndlineDQ contained "[^\"]\(\\\\\)*$"
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35 syn match cshNoEndlineSQ contained "[^\']\(\\\\\)*$"
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36 syn match cshNoEndlineBQ contained "[^\`]\(\\\\\)*$"
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37
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38 syn region cshDblQuote start=+[^\\]"+lc=1 skip=+\\\\\|\\"+ end=+"+ contains=cshSpecial,cshShellVariables,cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst,cshNoEndlineDQ,cshBckQuote,@Spell
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39 syn region cshSnglQuote start=+[^\\]'+lc=1 skip=+\\\\\|\\'+ end=+'+ contains=cshNoEndlineSQ,@Spell
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40 syn region cshBckQuote start=+[^\\]`+lc=1 skip=+\\\\\|\\`+ end=+`+ contains=cshNoEndlineBQ,@Spell
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41 syn region cshDblQuote start=+^"+ skip=+\\\\\|\\"+ end=+"+ contains=cshSpecial,cshExtVar,cshSelector,cshQtyWord,cshArgv,cshSubst,cshNoEndlineDQ,@Spell
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42 syn region cshSnglQuote start=+^'+ skip=+\\\\\|\\'+ end=+'+ contains=cshNoEndlineSQ,@Spell
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43 syn region cshBckQuote start=+^`+ skip=+\\\\\|\\`+ end=+`+ contains=cshNoEndlineBQ,@Spell
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44 syn cluster cshCommentGroup contains=cshTodo,@Spell
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45 syn match cshComment "#.*$" contains=@cshCommentGroup
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46
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47 " A bunch of useful csh keywords
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48 syn keyword cshStatement alias end history onintr setenv unalias
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49 syn keyword cshStatement cd eval kill popd shift unhash
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50 syn keyword cshStatement chdir exec login pushd source
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51 syn keyword cshStatement continue exit logout rehash time unsetenv
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52 syn keyword cshStatement dirs glob nice repeat umask wait
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53 syn keyword cshStatement echo goto nohup
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54
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55 syn keyword cshConditional break case else endsw switch
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56 syn keyword cshConditional breaksw default endif
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57 syn keyword cshRepeat foreach
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58
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59 " Special environment variables
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60 syn keyword cshShellVariables HOME LOGNAME PATH TERM USER
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61
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62 " Modifiable Variables without {}
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63 syn match cshExtVar "\$[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier
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64 syn match cshSelector "\$[a-zA-Z_][a-zA-Z0-9_]*\[[a-zA-Z_]\+\]\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier
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65 syn match cshQtyWord "\$#[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier
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66 syn match cshArgv "\$\d\+\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier
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67 syn match cshArgv "\$\*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=" contains=cshModifier
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68
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69 " Modifiable Variables with {}
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70 syn match cshExtVar "\${[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier
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71 syn match cshSelector "\${[a-zA-Z_][a-zA-Z0-9_]*\[[a-zA-Z_]\+\]\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier
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72 syn match cshQtyWord "\${#[a-zA-Z_][a-zA-Z0-9_]*\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier
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73 syn match cshArgv "\${\d\+\(:h\|:t\|:r\|:q\|:x\|:gh\|:gt\|:gr\)\=}" contains=cshModifier
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74
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75 " UnModifiable Substitutions
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76 syn match cshSubstError "\$?[a-zA-Z_][a-zA-Z0-9_]*:\(h\|t\|r\|q\|x\|gh\|gt\|gr\)"
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77 syn match cshSubstError "\${?[a-zA-Z_][a-zA-Z0-9_]*:\(h\|t\|r\|q\|x\|gh\|gt\|gr\)}"
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78 syn match cshSubstError "\$?[0$<]:\(h\|t\|r\|q\|x\|gh\|gt\|gr\)"
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79 syn match cshSubst "\$?[a-zA-Z_][a-zA-Z0-9_]*"
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80 syn match cshSubst "\${?[a-zA-Z_][a-zA-Z0-9_]*}"
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81 syn match cshSubst "\$?[0$<]"
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82
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83 " I/O redirection
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84 syn match cshRedir ">>&!\|>&!\|>>&\|>>!\|>&\|>!\|>>\|<<\|>\|<"
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85
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86 " Handle set expressions
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87 syn region cshSetExpr matchgroup=cshSetStmt start="\<set\>\|\<unset\>" end="$\|;" contains=cshComment,cshSetStmt,cshSetVariables,@cshQuoteList
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88
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89 " Operators and Expression-Using constructs
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90 "syn match cshOperator contained "&&\|!\~\|!=\|<<\|<=\|==\|=\~\|>=\|>>\|\*\|\^\|\~\|||\|!\|\|%\|&\|+\|-\|/\|<\|>\||"
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91 syn match cshOperator contained "&&\|!\~\|!=\|<<\|<=\|==\|=\~\|>=\|>>\|\*\|\^\|\~\|||\|!\|%\|&\|+\|-\|/\|<\|>\||"
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92 syn match cshOperator contained "[(){}]"
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93 syn region cshTest matchgroup=cshStatement start="\<if\>\|\<while\>" skip="\\$" matchgroup=cshStatement end="\<then\>\|$" contains=cshComment,cshOperator,@cshQuoteList,@cshVarLIst
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94
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95 " Highlight special characters (those which have a backslash) differently
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96 syn match cshSpecial contained "\\\d\d\d\|\\[abcfnrtv\\]"
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97 syn match cshNumber "-\=\<\d\+\>"
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98
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99 " All other identifiers
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100 "syn match cshIdentifier "\<[a-zA-Z._][a-zA-Z0-9._]*\>"
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101
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102 " Shell Input Redirection (Here Documents)
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103 if version < 600
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104 syn region cshHereDoc matchgroup=cshRedir start="<<-\=\s*\**END[a-zA-Z_0-9]*\**" matchgroup=cshRedir end="^END[a-zA-Z_0-9]*$"
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105 syn region cshHereDoc matchgroup=cshRedir start="<<-\=\s*\**EOF\**" matchgroup=cshRedir end="^EOF$"
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106 else
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107 syn region cshHereDoc matchgroup=cshRedir start="<<-\=\s*\**\z(\h\w*\)\**" matchgroup=cshRedir end="^\z1$"
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108 endif
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109
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110 " Define the default highlighting.
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111 " For version 5.7 and earlier: only when not done already
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112 " For version 5.8 and later: only when an item doesn't have highlighting yet
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113 if version >= 508 || !exists("did_csh_syntax_inits")
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114 if version < 508
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115 let did_csh_syntax_inits = 1
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116 command -nargs=+ HiLink hi link <args>
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117 else
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118 command -nargs=+ HiLink hi def link <args>
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119 endif
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120
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121 HiLink cshArgv cshVariables
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122 HiLink cshBckQuote cshCommand
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123 HiLink cshDblQuote cshString
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124 HiLink cshExtVar cshVariables
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125 HiLink cshHereDoc cshString
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126 HiLink cshNoEndlineBQ cshNoEndline
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127 HiLink cshNoEndlineDQ cshNoEndline
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128 HiLink cshNoEndlineSQ cshNoEndline
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129 HiLink cshQtyWord cshVariables
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130 HiLink cshRedir cshOperator
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131 HiLink cshSelector cshVariables
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132 HiLink cshSetStmt cshStatement
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133 HiLink cshSetVariables cshVariables
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134 HiLink cshSnglQuote cshString
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135 HiLink cshSubst cshVariables
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136
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137 HiLink cshCommand Statement
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138 HiLink cshComment Comment
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139 HiLink cshConditional Conditional
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140 HiLink cshIdentifier Error
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141 HiLink cshModifier Special
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142 HiLink cshNoEndline Error
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143 HiLink cshNumber Number
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144 HiLink cshOperator Operator
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145 HiLink cshRedir Statement
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146 HiLink cshRepeat Repeat
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147 HiLink cshShellVariables Special
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148 HiLink cshSpecial Special
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149 HiLink cshStatement Statement
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150 HiLink cshString String
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151 HiLink cshSubstError Error
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152 HiLink cshTodo Todo
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153 HiLink cshVariables Type
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154
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155 delcommand HiLink
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156 endif
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157
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158 let b:current_syntax = "csh"
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159
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160 " vim: ts=18
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