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annotate runtime/syntax/rhelp.vim @ 28103:1615d305c71d v8.2.4576

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patch 8.2.4576: Vim9: error for comparing with null can be annoying Commit: https://github.com/vim/vim/commit/056678184f679c2989b73bd48eda112f3c79a62f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 15 20:21:33 2022 +0000 patch 8.2.4576: Vim9: error for comparing with null can be annoying Problem: Vim9: error for comparing with null can be annoying. Solution: Allow comparing anything with null. (closes https://github.com/vim/vim/issues/9948)
author Bram Moolenaar <Bram@vim.org>
date Tue, 15 Mar 2022 21:30:03 +0100
parents 03fa8a51e9dc
children 02bd0fe77c68
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 " Vim syntax file
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2 " Language: R Help File
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3 " Maintainer: Jakson Aquino <jalvesaq@gmail.com>
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4 " Former Maintainer: Johannes Ranke <jranke@uni-bremen.de>
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5 " Homepage: https://github.com/jalvesaq/R-Vim-runtime
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6 " Last Change: Tue Jun 28, 2016 08:53AM
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7 " Remarks: - Includes R syntax highlighting in the appropriate
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8 " sections if an r.vim file is in the same directory or in the
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9 " default debian location.
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10 " - There is no Latex markup in equations
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11 " - Thanks to Will Gray for finding and fixing a bug
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12 " - No support for \var tag within quoted string
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13
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14 " Version Clears: {{{1
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15 if exists("b:current_syntax")
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16 finish
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17 endif
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18
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19 scriptencoding utf-8
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20
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21 syn case match
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22
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23 " R help identifiers {{{1
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24 syn region rhelpIdentifier matchgroup=rhelpSection start="\\name{" end="}"
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25 syn region rhelpIdentifier matchgroup=rhelpSection start="\\alias{" end="}"
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26 syn region rhelpIdentifier matchgroup=rhelpSection start="\\pkg{" end="}" contains=rhelpLink
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27 syn region rhelpIdentifier matchgroup=rhelpSection start="\\CRANpkg{" end="}" contains=rhelpLink
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28 syn region rhelpIdentifier matchgroup=rhelpSection start="\\method{" end="}" contained
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29 syn region rhelpIdentifier matchgroup=rhelpSection start="\\Rdversion{" end="}"
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30
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31
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32 " Highlighting of R code using an existing r.vim syntax file if available {{{1
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33 syn include @R syntax/r.vim
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34
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35 " Strings {{{1
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36 syn region rhelpString start=/"/ skip=/\\"/ end=/"/ contains=rhelpSpecialChar,rhelpCodeSpecial,rhelpLink contained
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37
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38 " Special characters in R strings
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39 syn match rhelpCodeSpecial display contained "\\\\\(n\|r\|t\|b\|a\|f\|v\|'\|\"\)\|\\\\"
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40
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41 " Special characters ( \$ \& \% \# \{ \} \_)
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42 syn match rhelpSpecialChar "\\[$&%#{}_]"
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43
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44
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45 " R code {{{1
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46 syn match rhelpDots "\\dots" containedin=@R
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47 syn region rhelpRcode matchgroup=Delimiter start="\\examples{" matchgroup=Delimiter transparent end="}" contains=@R,rhelpLink,rhelpIdentifier,rhelpString,rhelpSpecialChar,rhelpSection
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48 syn region rhelpRcode matchgroup=Delimiter start="\\usage{" matchgroup=Delimiter transparent end="}" contains=@R,rhelpIdentifier,rhelpS4method
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49 syn region rhelpRcode matchgroup=Delimiter start="\\synopsis{" matchgroup=Delimiter transparent end="}" contains=@R
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50 syn region rhelpRcode matchgroup=Delimiter start="\\special{" matchgroup=Delimiter transparent end="}" contains=@R
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51
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52 if v:version > 703
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53 syn region rhelpRcode matchgroup=Delimiter start="\\code{" skip='\\\@1<!{.\{-}\\\@1<!}' transparent end="}" contains=@R,rhelpDots,rhelpString,rhelpSpecialChar,rhelpLink keepend
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54 else
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55 syn region rhelpRcode matchgroup=Delimiter start="\\code{" skip='\\\@<!{.\{-}\\\@<!}' transparent end="}" contains=@R,rhelpDots,rhelpString,rhelpSpecialChar,rhelpLink keepend
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56 endif
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57 syn region rhelpS4method matchgroup=Delimiter start="\\S4method{.*}(" matchgroup=Delimiter transparent end=")" contains=@R,rhelpDots
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58 syn region rhelpSexpr matchgroup=Delimiter start="\\Sexpr{" matchgroup=Delimiter transparent end="}" contains=@R
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59
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60 " PreProc {{{1
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61 syn match rhelpPreProc "^#ifdef.*"
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62 syn match rhelpPreProc "^#endif.*"
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63
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64 " Special Delimiters {{{1
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65 syn match rhelpDelimiter "\\cr"
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66 syn match rhelpDelimiter "\\tab "
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67
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68 " Keywords {{{1
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69 syn match rhelpKeyword "\\R\>"
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70 syn match rhelpKeyword "\\ldots\>"
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71 syn match rhelpKeyword "\\sspace\>"
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72 syn match rhelpKeyword "--"
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73 syn match rhelpKeyword "---"
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74
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75 " Condition Keywords {{{2
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76 syn match rhelpKeyword "\\if\>"
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77 syn match rhelpKeyword "\\ifelse\>"
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78 syn match rhelpKeyword "\\out\>"
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79 " Examples of usage:
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80 " \ifelse{latex}{\eqn{p = 5 + 6 - 7 \times 8}}{\eqn{p = 5 + 6 - 7 * 8}}
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81 " \ifelse{latex}{\out{$\alpha$}}{\ifelse{html}{\out{&alpha;}}{alpha}}
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82
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83 " Keywords and operators valid only if in math mode {{{2
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84 syn match rhelpMathOp "<" contained
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85 syn match rhelpMathOp ">" contained
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86 syn match rhelpMathOp "+" contained
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87 syn match rhelpMathOp "-" contained
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88 syn match rhelpMathOp "=" contained
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89
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90 " Conceal function based on syntax/tex.vim {{{2
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91 if exists("g:tex_conceal")
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92 let s:tex_conceal = g:tex_conceal
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93 else
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94 let s:tex_conceal = 'gm'
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95 endif
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96 function s:HideSymbol(pat, cchar, hide)
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97 if a:hide
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98 exe "syn match rhelpMathSymb '" . a:pat . "' contained conceal cchar=" . a:cchar
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99 else
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100 exe "syn match rhelpMathSymb '" . a:pat . "' contained"
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101 endif
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102 endfunction
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103
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104 " Math symbols {{{2
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105 if s:tex_conceal =~ 'm'
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106 let s:hd = 1
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107 else
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108 let s:hd = 0
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109 endif
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110 call s:HideSymbol('\\infty\>', '∞', s:hd)
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111 call s:HideSymbol('\\ge\>', '≥', s:hd)
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112 call s:HideSymbol('\\le\>', '≤', s:hd)
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113 call s:HideSymbol('\\prod\>', '∏', s:hd)
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114 call s:HideSymbol('\\sum\>', '∑', s:hd)
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115 syn match rhelpMathSymb "\\sqrt\>" contained
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116
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117 " Greek letters {{{2
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118 if s:tex_conceal =~ 'g'
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119 let s:hd = 1
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120 else
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121 let s:hd = 0
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122 endif
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123 call s:HideSymbol('\\alpha\>', 'α', s:hd)
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124 call s:HideSymbol('\\beta\>', 'β', s:hd)
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125 call s:HideSymbol('\\gamma\>', 'γ', s:hd)
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126 call s:HideSymbol('\\delta\>', 'δ', s:hd)
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127 call s:HideSymbol('\\epsilon\>', 'ϵ', s:hd)
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128 call s:HideSymbol('\\zeta\>', 'ζ', s:hd)
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129 call s:HideSymbol('\\eta\>', 'η', s:hd)
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130 call s:HideSymbol('\\theta\>', 'θ', s:hd)
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131 call s:HideSymbol('\\iota\>', 'ι', s:hd)
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132 call s:HideSymbol('\\kappa\>', 'κ', s:hd)
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133 call s:HideSymbol('\\lambda\>', 'λ', s:hd)
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134 call s:HideSymbol('\\mu\>', 'μ', s:hd)
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135 call s:HideSymbol('\\nu\>', 'ν', s:hd)
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136 call s:HideSymbol('\\xi\>', 'ξ', s:hd)
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137 call s:HideSymbol('\\pi\>', 'π', s:hd)
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138 call s:HideSymbol('\\rho\>', 'ρ', s:hd)
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139 call s:HideSymbol('\\sigma\>', 'σ', s:hd)
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140 call s:HideSymbol('\\tau\>', 'τ', s:hd)
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141 call s:HideSymbol('\\upsilon\>', 'υ', s:hd)
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142 call s:HideSymbol('\\phi\>', 'ϕ', s:hd)
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143 call s:HideSymbol('\\chi\>', 'χ', s:hd)
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144 call s:HideSymbol('\\psi\>', 'ψ', s:hd)
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145 call s:HideSymbol('\\omega\>', 'ω', s:hd)
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146 call s:HideSymbol('\\Gamma\>', 'Γ', s:hd)
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147 call s:HideSymbol('\\Delta\>', 'Δ', s:hd)
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148 call s:HideSymbol('\\Theta\>', 'Θ', s:hd)
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149 call s:HideSymbol('\\Lambda\>', 'Λ', s:hd)
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150 call s:HideSymbol('\\Xi\>', 'Ξ', s:hd)
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151 call s:HideSymbol('\\Pi\>', 'Π', s:hd)
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152 call s:HideSymbol('\\Sigma\>', 'Σ', s:hd)
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153 call s:HideSymbol('\\Upsilon\>', 'Υ', s:hd)
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154 call s:HideSymbol('\\Phi\>', 'Φ', s:hd)
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155 call s:HideSymbol('\\Psi\>', 'Ψ', s:hd)
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156 call s:HideSymbol('\\Omega\>', 'Ω', s:hd)
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157 delfunction s:HideSymbol
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158 " Note: The letters 'omicron', 'Alpha', 'Beta', 'Epsilon', 'Zeta', 'Eta',
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
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159 " 'Iota', 'Kappa', 'Mu', 'Nu', 'Omicron', 'Rho', 'Tau' and 'Chi' are listed
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
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160 " at src/library/tools/R/Rd2txt.R because they are valid in HTML, although
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
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161 " they do not make valid LaTeX code (e.g. &Alpha; versus \Alpha).
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162
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163 " Links {{{1
8497
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164 syn region rhelpLink matchgroup=rhelpType start="\\link{" end="}" contained keepend extend
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
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165 syn region rhelpLink matchgroup=rhelpType start="\\link\[.\{-}\]{" end="}" contained keepend extend
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
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166 syn region rhelpLink matchgroup=rhelpType start="\\linkS4class{" end="}" contained keepend extend
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
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diff changeset
167 syn region rhelpLink matchgroup=rhelpType start="\\url{" end="}" contained keepend extend
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
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168 syn region rhelpLink matchgroup=rhelpType start="\\href{" end="}" contained keepend extend
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
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169 syn region rhelpLink matchgroup=rhelpType start="\\figure{" end="}" contained keepend extend
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170
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171 " Verbatim like {{{1
8497
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172 syn region rhelpVerbatim matchgroup=rhelpType start="\\samp{" skip='\\\@1<!{.\{-}\\\@1<!}' end="}" contains=rhelpSpecialChar,rhelpComment
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
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173 syn region rhelpVerbatim matchgroup=rhelpType start="\\verb{" skip='\\\@1<!{.\{-}\\\@1<!}' end="}" contains=rhelpSpecialChar,rhelpComment
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
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174
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175 " Equation {{{1
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176 syn region rhelpEquation matchgroup=rhelpType start="\\eqn{" skip='\\\@1<!{.\{-}\\\@1<!}' end="}" contains=rhelpMathSymb,rhelpMathOp,rhelpRegion contained keepend extend
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
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177 syn region rhelpEquation matchgroup=rhelpType start="\\deqn{" skip='\\\@1<!{.\{-}\\\@1<!}' end="}" contains=rhelpMathSymb,rhelpMathOp,rhelpRegion contained keepend extend
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178
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179 " Type Styles {{{1
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180 syn match rhelpType "\\emph\>"
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181 syn match rhelpType "\\strong\>"
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182 syn match rhelpType "\\bold\>"
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vimboss
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183 syn match rhelpType "\\sQuote\>"
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vimboss
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184 syn match rhelpType "\\dQuote\>"
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vimboss
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185 syn match rhelpType "\\preformatted\>"
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vimboss
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186 syn match rhelpType "\\kbd\>"
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vimboss
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187 syn match rhelpType "\\file\>"
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188 syn match rhelpType "\\email\>"
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189 syn match rhelpType "\\enc\>"
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190 syn match rhelpType "\\var\>"
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191 syn match rhelpType "\\env\>"
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192 syn match rhelpType "\\option\>"
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193 syn match rhelpType "\\command\>"
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194 syn match rhelpType "\\newcommand\>"
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195 syn match rhelpType "\\renewcommand\>"
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196 syn match rhelpType "\\dfn\>"
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197 syn match rhelpType "\\cite\>"
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198 syn match rhelpType "\\acronym\>"
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199 syn match rhelpType "\\doi\>"
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200
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201 " rhelp sections {{{1
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202 syn match rhelpSection "\\encoding\>"
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203 syn match rhelpSection "\\title\>"
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204 syn match rhelpSection "\\item\>"
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parents:
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205 syn match rhelpSection "\\description\>"
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vimboss
parents:
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206 syn match rhelpSection "\\concept\>"
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207 syn match rhelpSection "\\arguments\>"
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208 syn match rhelpSection "\\details\>"
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vimboss
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209 syn match rhelpSection "\\value\>"
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vimboss
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210 syn match rhelpSection "\\references\>"
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vimboss
parents:
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211 syn match rhelpSection "\\note\>"
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212 syn match rhelpSection "\\author\>"
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213 syn match rhelpSection "\\seealso\>"
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214 syn match rhelpSection "\\keyword\>"
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215 syn match rhelpSection "\\docType\>"
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diff changeset
216 syn match rhelpSection "\\format\>"
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vimboss
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217 syn match rhelpSection "\\source\>"
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218 syn match rhelpSection "\\itemize\>"
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219 syn match rhelpSection "\\describe\>"
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220 syn match rhelpSection "\\enumerate\>"
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Bram Moolenaar <bram@vim.org>
parents: 2152
diff changeset
221 syn match rhelpSection "\\item "
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Bram Moolenaar <bram@vim.org>
parents: 2152
diff changeset
222 syn match rhelpSection "\\item$"
714
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223 syn match rhelpSection "\\tabular{[lcr]*}"
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vimboss
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diff changeset
224 syn match rhelpSection "\\dontrun\>"
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225 syn match rhelpSection "\\dontshow\>"
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226 syn match rhelpSection "\\testonly\>"
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82b5078be2dd updated for version 7.2a
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parents: 842
diff changeset
227 syn match rhelpSection "\\donttest\>"
714
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diff changeset
228
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229 " Freely named Sections {{{1
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230 syn region rhelpFreesec matchgroup=Delimiter start="\\section{" matchgroup=Delimiter transparent end="}"
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parents: 2152
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231 syn region rhelpFreesubsec matchgroup=Delimiter start="\\subsection{" matchgroup=Delimiter transparent end="}"
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diff changeset
232
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parents: 2662
diff changeset
233 syn match rhelpDelimiter "{\|\[\|(\|)\|\]\|}"
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234
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235 " R help file comments {{{1
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236 syn match rhelpComment /%.*$/
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237
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238 " Error {{{1
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239 syn region rhelpRegion matchgroup=Delimiter start=/(/ matchgroup=Delimiter end=/)/ contains=@Spell,rhelpCodeSpecial,rhelpComment,rhelpDelimiter,rhelpDots,rhelpFreesec,rhelpFreesubsec,rhelpIdentifier,rhelpKeyword,rhelpLink,rhelpPreProc,rhelpRComment,rhelpRcode,rhelpRegion,rhelpS4method,rhelpSection,rhelpSexpr,rhelpSpecialChar,rhelpString,rhelpType,rhelpVerbatim,rhelpEquation
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
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parents: 6051
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240 syn region rhelpRegion matchgroup=Delimiter start=/{/ matchgroup=Delimiter end=/}/ contains=@Spell,rhelpCodeSpecial,rhelpComment,rhelpDelimiter,rhelpDots,rhelpFreesec,rhelpFreesubsec,rhelpIdentifier,rhelpKeyword,rhelpLink,rhelpPreProc,rhelpRComment,rhelpRcode,rhelpRegion,rhelpS4method,rhelpSection,rhelpSexpr,rhelpSpecialChar,rhelpString,rhelpType,rhelpVerbatim,rhelpEquation
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
parents: 6051
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241 syn region rhelpRegion matchgroup=Delimiter start=/\[/ matchgroup=Delimiter end=/]/ contains=@Spell,rhelpCodeSpecial,rhelpComment,rhelpDelimiter,rhelpDots,rhelpFreesec,rhelpFreesubsec,rhelpIdentifier,rhelpKeyword,rhelpLink,rhelpPreProc,rhelpRComment,rhelpRcode,rhelpRegion,rhelpS4method,rhelpSection,rhelpSexpr,rhelpSpecialChar,rhelpString,rhelpType,rhelpVerbatim,rhelpEquation
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242 syn match rhelpError /[)\]}]/
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243 syn match rhelpBraceError /[)}]/ contained
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244 syn match rhelpCurlyError /[)\]]/ contained
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245 syn match rhelpParenError /[\]}]/ contained
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246
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247 syntax sync match rhelpSyncRcode grouphere rhelpRcode "\\examples{"
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248
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249 " Define the default highlighting {{{1
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250 hi def link rhelpVerbatim String
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
parents: 6051
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251 hi def link rhelpDelimiter Delimiter
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
parents: 6051
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252 hi def link rhelpIdentifier Identifier
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
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253 hi def link rhelpString String
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
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254 hi def link rhelpCodeSpecial Special
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
parents: 6051
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255 hi def link rhelpKeyword Keyword
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
parents: 6051
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256 hi def link rhelpDots Keyword
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
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257 hi def link rhelpLink Underlined
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
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258 hi def link rhelpType Type
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
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259 hi def link rhelpSection PreCondit
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
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260 hi def link rhelpError Error
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
parents: 6051
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261 hi def link rhelpBraceError Error
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
parents: 6051
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262 hi def link rhelpCurlyError Error
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
parents: 6051
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263 hi def link rhelpParenError Error
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
parents: 6051
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264 hi def link rhelpPreProc PreProc
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
parents: 6051
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265 hi def link rhelpDelimiter Delimiter
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
parents: 6051
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266 hi def link rhelpComment Comment
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
parents: 6051
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267 hi def link rhelpRComment Comment
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
parents: 6051
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268 hi def link rhelpSpecialChar SpecialChar
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
parents: 6051
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269 hi def link rhelpMathSymb Special
da01d5da2cfa commit https://github.com/vim/vim/commit/77cdfd10382e01cc51f4ba1a9177032351843151
Christian Brabandt <cb@256bit.org>
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270 hi def link rhelpMathOp Operator
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271
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272 let b:current_syntax = "rhelp"
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273
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274 " vim: foldmethod=marker sw=2