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annotate runtime/syntax/r.vim @ 2725:6f63330ec225

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Updated runtime files.
author Bram Moolenaar <bram@vim.org>
date Tue, 22 Mar 2011 14:05:35 +0100
parents 7d8af31066c8
children 605c9ce57ec3
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1 " Vim syntax file
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2 " Language: R (GNU S)
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3 " Maintainer: Jakson Aquino <jalvesaq@gmail.com>
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4 " Former Maintainers: Vaidotas Zemlys <zemlys@gmail.com>
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5 " Tom Payne <tom@tompayne.org>
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6 " Last Change: Sun Feb 20, 2011 12:06PM
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7 " Filenames: *.R *.r *.Rhistory *.Rt
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8 "
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9 " NOTE: The highlighting of R functions is defined in the
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10 " r-plugin/functions.vim, which is part of vim-r-plugin2:
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11 " http://www.vim.org/scripts/script.php?script_id=2628
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12 "
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13 " CONFIGURATION:
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14 " syntax folding can be turned on by
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15 "
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16 " let r_syntax_folding = 1
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17 "
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18 " Some lines of code were borrowed from Zhuojun Chen.
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19
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20 if exists("b:current_syntax")
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21 finish
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22 endif
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23
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24 setlocal iskeyword=@,48-57,_,.
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25
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26 if exists("g:r_syntax_folding")
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27 setlocal foldmethod=syntax
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28 endif
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29
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30 syn case match
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31
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32 " Comment
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33 syn match rComment contains=@Spell "\#.*"
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34
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35 if &filetype == "rhelp"
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36 " string enclosed in double quotes
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37 syn region rString contains=rSpecial,@Spell start=/"/ skip=/\\\\\|\\"/ end=/"/
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38 " string enclosed in single quotes
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39 syn region rString contains=rSpecial,@Spell start=/'/ skip=/\\\\\|\\'/ end=/'/
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40 else
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41 " string enclosed in double quotes
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42 syn region rString contains=rSpecial,rStrError,@Spell start=/"/ skip=/\\\\\|\\"/ end=/"/
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43 " string enclosed in single quotes
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44 syn region rString contains=rSpecial,rStrError,@Spell start=/'/ skip=/\\\\\|\\'/ end=/'/
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45 endif
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46
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47 syn match rStrError display contained "\\."
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48
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49
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50 " New line, carriage return, tab, backspace, bell, feed, vertical tab, backslash
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51 syn match rSpecial display contained "\\\(n\|r\|t\|b\|a\|f\|v\|'\|\"\)\|\\\\"
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52
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53 " Hexadecimal and Octal digits
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54 syn match rSpecial display contained "\\\(x\x\{1,2}\|[0-8]\{1,3}\)"
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55
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56 " Unicode characters
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57 syn match rSpecial display contained "\\u\x\{1,4}"
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58 syn match rSpecial display contained "\\U\x\{1,8}"
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59 syn match rSpecial display contained "\\u{\x\{1,4}}"
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60 syn match rSpecial display contained "\\U{\x\{1,8}}"
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61
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62 " Statement
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63 syn keyword rStatement break next return
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64 syn keyword rConditional if else
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65 syn keyword rRepeat for in repeat while
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66
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67 " Constant (not really)
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68 syn keyword rConstant T F LETTERS letters month.ab month.name pi
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69 syn keyword rConstant R.version.string
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70
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71 syn keyword rNumber NA_integer_ NA_real_ NA_complex_ NA_character_
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72
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73 " Constants
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74 syn keyword rConstant NULL
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75 syn keyword rBoolean FALSE TRUE
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76 syn keyword rNumber NA Inf NaN
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77
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78 " integer
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79 syn match rInteger "\<\d\+L"
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80 syn match rInteger "\<0x\([0-9]\|[a-f]\|[A-F]\)\+L"
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81 syn match rInteger "\<\d\+[Ee]+\=\d\+L"
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82
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83 " number with no fractional part or exponent
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84 syn match rNumber "\<\d\+\>"
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85 " hexadecimal number
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86 syn match rNumber "\<0x\([0-9]\|[a-f]\|[A-F]\)\+"
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87
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88 " floating point number with integer and fractional parts and optional exponent
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89 syn match rFloat "\<\d\+\.\d*\([Ee][-+]\=\d\+\)\="
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90 " floating point number with no integer part and optional exponent
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91 syn match rFloat "\<\.\d\+\([Ee][-+]\=\d\+\)\="
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92 " floating point number with no fractional part and optional exponent
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93 syn match rFloat "\<\d\+[Ee][-+]\=\d\+"
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94
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95 " complex number
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96 syn match rComplex "\<\d\+i"
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97 syn match rComplex "\<\d\++\d\+i"
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98 syn match rComplex "\<0x\([0-9]\|[a-f]\|[A-F]\)\+i"
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99 syn match rComplex "\<\d\+\.\d*\([Ee][-+]\=\d\+\)\=i"
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100 syn match rComplex "\<\.\d\+\([Ee][-+]\=\d\+\)\=i"
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101 syn match rComplex "\<\d\+[Ee][-+]\=\d\+i"
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102
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103 syn match rOperator "&"
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104 syn match rOperator '-'
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105 syn match rOperator '*'
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106 syn match rOperator '+'
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107 syn match rOperator '='
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108 syn match rOperator "[|!<>^~`/:@]"
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109 syn match rOperator "%\{2}\|%\*%\|%\/%\|%in%\|%o%\|%x%"
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110 syn match rOpError '*\{3}'
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111 syn match rOpError '//'
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112 syn match rOpError '&&&'
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113 syn match rOpError '|||'
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114 syn match rOpError '<<'
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115 syn match rOpError '>>'
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116
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117 syn match rArrow "<\{1,2}-"
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118 syn match rArrow "->\{1,2}"
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119
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120 " Special
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121 syn match rDelimiter "[,;:]"
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122
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123 " Error
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124 if exists("g:r_syntax_folding")
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125 syn region rRegion matchgroup=Delimiter start=/(/ matchgroup=Delimiter end=/)/ transparent contains=ALLBUT,rError,rBraceError,rCurlyError fold
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126 syn region rRegion matchgroup=Delimiter start=/{/ matchgroup=Delimiter end=/}/ transparent contains=ALLBUT,rError,rBraceError,rParenError fold
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127 syn region rRegion matchgroup=Delimiter start=/\[/ matchgroup=Delimiter end=/]/ transparent contains=ALLBUT,rError,rCurlyError,rParenError fold
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128 else
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129 syn region rRegion matchgroup=Delimiter start=/(/ matchgroup=Delimiter end=/)/ transparent contains=ALLBUT,rError,rBraceError,rCurlyError
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130 syn region rRegion matchgroup=Delimiter start=/{/ matchgroup=Delimiter end=/}/ transparent contains=ALLBUT,rError,rBraceError,rParenError
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131 syn region rRegion matchgroup=Delimiter start=/\[/ matchgroup=Delimiter end=/]/ transparent contains=ALLBUT,rError,rCurlyError,rParenError
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132 endif
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133
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134 syn match rError "[)\]}]"
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135 syn match rBraceError "[)}]" contained
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136 syn match rCurlyError "[)\]]" contained
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137 syn match rParenError "[\]}]" contained
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138
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139 " Source list of R functions. The list is produced by the Vim-R-plugin
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140 " http://www.vim.org/scripts/script.php?script_id=2628
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141 runtime r-plugin/functions.vim
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142
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143 syn match rDollar display contained "\$"
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144
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145 " List elements will not be highlighted as functions:
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146 syn match rLstElmt "\$[a-zA-Z0-9\\._]*" contains=rDollar
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147
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148 " Functions that may add new objects
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149 syn keyword rPreProc library require attach detach source
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150
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151 if &filetype == "rhelp"
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152 syn match rHelpIdent '\\method'
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153 syn match rHelpIdent '\\S4method'
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154 endif
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155
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156 " Type
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157 syn keyword rType array category character complex double function integer list logical matrix numeric vector data.frame
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158
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159 " Name of object with spaces
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160 syn region rNameWSpace start="`" end="`"
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161
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162 if &filetype == "rhelp"
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163 syn match rhPreProc "^#ifdef.*"
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164 syn match rhPreProc "^#endif.*"
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165 syn match rhSection "\\dontrun\>"
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166 endif
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167
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168 " Define the default highlighting.
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169 hi def link rArrow Statement
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170 hi def link rBoolean Boolean
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171 hi def link rBraceError Error
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172 hi def link rComment Comment
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173 hi def link rComplex Number
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174 hi def link rConditional Conditional
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175 hi def link rConstant Constant
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176 hi def link rCurlyError Error
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177 hi def link rDelimiter Delimiter
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178 hi def link rDollar SpecialChar
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179 hi def link rError Error
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180 hi def link rFloat Float
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181 hi def link rFunction Function
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182 hi def link rHelpIdent Identifier
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183 hi def link rhPreProc PreProc
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184 hi def link rhSection PreCondit
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185 hi def link rInteger Number
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186 hi def link rLstElmt Normal
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187 hi def link rNameWSpace Normal
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188 hi def link rNumber Number
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189 hi def link rOperator Operator
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190 hi def link rOpError Error
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191 hi def link rParenError Error
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192 hi def link rPreProc PreProc
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193 hi def link rRepeat Repeat
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194 hi def link rSpecial SpecialChar
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195 hi def link rStatement Statement
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196 hi def link rString String
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197 hi def link rStrError Error
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198 hi def link rType Type
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199
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200 let b:current_syntax="r"
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201
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202 " vim: ts=8 sw=2