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1 " Vim syntax file
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2 " Language: Icon
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3 " Maintainer: Wendell Turner <wendell@adsi-m4.com>
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4 " URL: ftp://ftp.halcyon.com/pub/users/wturner/icon.vim
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5 " Last Change: 2003 May 11
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6
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7 " For version 5.x: Clear all syntax items
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8 " For version 6.x: Quit when a syntax file was already loaded
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9 if version < 600
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10 syntax clear
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11 elseif exists("b:current_syntax")
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12 finish
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13 endif
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14
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15 syn keyword iconFunction abs acos any args asin atan bal
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16 syn keyword iconFunction callout center char chdir close collect copy
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17 syn keyword iconFunction cos cset delay delete detab display dtor
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18 syn keyword iconFunction entab errorclear exit exp find flush function
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19 syn keyword iconFunction get getch getche getenv iand icom image
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20 syn keyword iconFunction insert integer ior ishift ixor kbhit key
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21 syn keyword iconFunction left list loadfunc log many map match
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22 syn keyword iconFunction member move name numeric open ord pop
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23 syn keyword iconFunction pos proc pull push put read reads
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24 syn keyword iconFunction real remove rename repl reverse right rtod
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25 syn keyword iconFunction runerr save seek seq set sin sort
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26 syn keyword iconFunction sortf sqrt stop string system tab table
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27 syn keyword iconFunction tan trim type upto variable where write writes
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28
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29 " Keywords
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30 syn match iconKeyword "&allocated"
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31 syn match iconKeyword "&ascii"
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32 syn match iconKeyword "&clock"
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33 syn match iconKeyword "&collections"
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34 syn match iconKeyword "&cset"
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35 syn match iconKeyword "¤t"
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36 syn match iconKeyword "&date"
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37 syn match iconKeyword "&dateline"
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38 syn match iconKeyword "&digits"
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39 syn match iconKeyword "&dump"
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40 syn match iconKeyword "&e"
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41 syn match iconKeyword "&error"
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42 syn match iconKeyword "&errornumber"
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43 syn match iconKeyword "&errortext"
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44 syn match iconKeyword "&errorvalue"
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45 syn match iconKeyword "&errout"
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46 syn match iconKeyword "&fail"
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47 syn match iconKeyword "&features"
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48 syn match iconKeyword "&file"
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49 syn match iconKeyword "&host"
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50 syn match iconKeyword "&input"
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51 syn match iconKeyword "&lcase"
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52 syn match iconKeyword "&letters"
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53 syn match iconKeyword "&level"
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54 syn match iconKeyword "&line"
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55 syn match iconKeyword "&main"
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56 syn match iconKeyword "&null"
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57 syn match iconKeyword "&output"
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58 syn match iconKeyword "&phi"
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59 syn match iconKeyword "&pi"
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60 syn match iconKeyword "&pos"
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61 syn match iconKeyword "&progname"
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62 syn match iconKeyword "&random"
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63 syn match iconKeyword "®ions"
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64 syn match iconKeyword "&source"
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65 syn match iconKeyword "&storage"
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66 syn match iconKeyword "&subject"
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67 syn match iconKeyword "&time"
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68 syn match iconKeyword "&trace"
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69 syn match iconKeyword "&ucase"
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70 syn match iconKeyword "&version"
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71
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72 " Reserved words
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73 syn keyword iconReserved break by case create default do
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74 syn keyword iconReserved else end every fail if
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75 syn keyword iconReserved initial link next not of
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76 syn keyword iconReserved procedure repeat return suspend
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77 syn keyword iconReserved then to until while
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78
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79 " Storage class reserved words
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80 syn keyword iconStorageClass global static local record
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81
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82 syn keyword iconTodo contained TODO FIXME XXX BUG
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83
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84 " String and Character constants
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85 " Highlight special characters (those which have a backslash) differently
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86 syn match iconSpecial contained "\\x\x\{2}\|\\\o\{3\}\|\\[bdeflnrtv\"\'\\]\|\\^c[a-zA-Z0-9]\|\\$"
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87 syn region iconString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=iconSpecial
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88 syn region iconCset start=+'+ skip=+\\\\\|\\'+ end=+'+ contains=iconSpecial
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89 syn match iconCharacter "'[^\\]'"
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90
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91 " not sure about these
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92 "syn match iconSpecialCharacter "'\\[bdeflnrtv]'"
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93 "syn match iconSpecialCharacter "'\\\o\{3\}'"
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94 "syn match iconSpecialCharacter "'\\x\x\{2}'"
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95 "syn match iconSpecialCharacter "'\\^c\[a-zA-Z0-9]'"
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96
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97 "when wanted, highlight trailing white space
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98 if exists("icon_space_errors")
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99 syn match iconSpaceError "\s*$"
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100 syn match iconSpaceError " \+\t"me=e-1
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101 endif
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102
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103 "catch errors caused by wrong parenthesis
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104 syn cluster iconParenGroup contains=iconParenError,iconIncluded,iconSpecial,iconTodo,iconUserCont,iconUserLabel,iconBitField
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105
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106 syn region iconParen transparent start='(' end=')' contains=ALLBUT,@iconParenGroup
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107 syn match iconParenError ")"
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108 syn match iconInParen contained "[{}]"
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109
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110
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111 syn case ignore
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112
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113 "integer number, or floating point number without a dot
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114 syn match iconNumber "\<\d\+\>"
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115
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116 "floating point number, with dot, optional exponent
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117 syn match iconFloat "\<\d\+\.\d*\(e[-+]\=\d\+\)\=\>"
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118
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119 "floating point number, starting with a dot, optional exponent
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120 syn match iconFloat "\.\d\+\(e[-+]\=\d\+\)\=\>"
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121
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122 "floating point number, without dot, with exponent
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123 syn match iconFloat "\<\d\+e[-+]\=\d\+\>"
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124
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125 "radix number
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126 syn match iconRadix "\<\d\{1,2}[rR][a-zA-Z0-9]\+\>"
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127
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128
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129 " syn match iconIdentifier "\<[a-z_][a-z0-9_]*\>"
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130
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131 syn case match
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132
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133 " Comment
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134 syn match iconComment "#.*" contains=iconTodo,iconSpaceError
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135
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136 syn region iconPreCondit start="^\s*$\s*\(if\>\|ifdef\>\|ifndef\>\|elif\>\|else\>\|endif\>\)" skip="\\$" end="$" contains=iconComment,iconString,iconCharacter,iconNumber,iconCommentError,iconSpaceError
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137
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138 syn region iconIncluded contained start=+"+ skip=+\\\\\|\\"+ end=+"+
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139 syn match iconIncluded contained "<[^>]*>"
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140 syn match iconInclude "^\s*$\s*include\>\s*["<]" contains=iconIncluded
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141 "syn match iconLineSkip "\\$"
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142
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143 syn cluster iconPreProcGroup contains=iconPreCondit,iconIncluded,iconInclude,iconDefine,iconInParen,iconUserLabel
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144
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145 syn region iconDefine start="^\s*$\s*\(define\>\|undef\>\)" skip="\\$" end="$" contains=ALLBUT,@iconPreProcGroup
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146
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147 "wt:syn region iconPreProc "start="^\s*#\s*\(pragma\>\|line\>\|warning\>\|warn\>\|error\>\)" skip="\\$" "end="$" contains=ALLBUT,@iconPreProcGroup
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148
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149 " Highlight User Labels
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150
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151 " syn cluster iconMultiGroup contains=iconIncluded,iconSpecial,iconTodo,iconUserCont,iconUserLabel,iconBitField
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152
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153 if !exists("icon_minlines")
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154 let icon_minlines = 15
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155 endif
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156 exec "syn sync ccomment iconComment minlines=" . icon_minlines
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157
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158 " Define the default highlighting.
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159
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160 " For version 5.7 and earlier: only when not done already
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161 " For version 5.8 and later: only when an item doesn't have highlighting
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162 if version >= 508 || !exists("did_icon_syn_inits")
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163 if version < 508
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164 let did_icon_syn_inits = 1
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165 command -nargs=+ HiLink hi link <args>
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166 else
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167 command -nargs=+ HiLink hi def link <args>
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168 endif
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169
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170 " The default methods for highlighting. Can be overridden later
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171
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172 " HiLink iconSpecialCharacter iconSpecial
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173
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174 HiLink iconOctalError iconError
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175 HiLink iconParenError iconError
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176 HiLink iconInParen iconError
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177 HiLink iconCommentError iconError
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178 HiLink iconSpaceError iconError
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179 HiLink iconCommentError iconError
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180 HiLink iconIncluded iconString
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181 HiLink iconCommentString iconString
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182 HiLink iconComment2String iconString
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183 HiLink iconCommentSkip iconComment
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184
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185 HiLink iconUserLabel Label
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186 HiLink iconCharacter Character
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187 HiLink iconNumber Number
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188 HiLink iconRadix Number
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189 HiLink iconFloat Float
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190 HiLink iconInclude Include
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191 HiLink iconPreProc PreProc
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192 HiLink iconDefine Macro
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193 HiLink iconError Error
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194 HiLink iconStatement Statement
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195 HiLink iconPreCondit PreCondit
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196 HiLink iconString String
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197 HiLink iconCset String
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198 HiLink iconComment Comment
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199 HiLink iconSpecial SpecialChar
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200 HiLink iconTodo Todo
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201 HiLink iconStorageClass StorageClass
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202 HiLink iconFunction Statement
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203 HiLink iconReserved Label
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204 HiLink iconKeyword Operator
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205
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206 "HiLink iconIdentifier Identifier
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207
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208 delcommand HiLink
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209 endif
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210
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211 let b:current_syntax = "icon"
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212
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