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1 " Vim syntax file
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2 " Language: Metafont
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3 " Maintainer: Andreas Scherer <andreas.scherer@pobox.com>
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4 " Last Change: April 25, 2001
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5
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6 " For version 5.x: Clear all syntax items
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7 " For version 6.x: Quit when a syntax file was already loaded
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8 if version < 600
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9 syn clear
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10 elseif exists("b:current_syntax")
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11 finish
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12 endif
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13
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14 " Metafont 'primitives' as defined in chapter 25 of 'The METAFONTbook'
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15 " Page 210: 'boolean expressions'
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16 syn keyword mfBoolExp true false known unknown odd charexists not and or
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17
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18 " Page 210: 'numeric expression'
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19 syn keyword mfNumExp normaldeviate length ASCII oct hex angle turningnumber
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20 syn keyword mfNumExp totalweight directiontime xpart ypart xxpart xypart
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21 syn keyword mfNumExp yxpart yypart sqrt sind cosd mlog mexp floor
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22 syn keyword mfNumExp uniformdeviate
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23
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24 " Page 211: 'internal quantities'
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25 syn keyword mfInternal tracingtitles tracingequations tracingcapsules
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26 syn keyword mfInternal tracingchoices tracingspecs tracingpens
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27 syn keyword mfInternal tracingcommands tracingrestores tracingmacros
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28 syn keyword mfInternal tracingedges tracingoutput tracingonline tracingstats
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29 syn keyword mfInternal pausing showstopping fontmaking proofing
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30 syn keyword mfInternal turningcheck warningcheck smoothing autorounding
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31 syn keyword mfInternal granularity fillin year month day time
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32 syn keyword mfInternal charcode charext charwd charht chardp charic
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33 syn keyword mfInternal chardx chardy designsize hppp vppp xoffset yoffset
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34 syn keyword mfInternal boundarychar
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35
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36 " Page 212: 'pair expressions'
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37 syn keyword mfPairExp point of precontrol postcontrol penoffset rotated
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38 syn keyword mfPairExp scaled shifted slanted transformed xscaled yscaled
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39 syn keyword mfPairExp zscaled
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40
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41 " Page 213: 'path expressions'
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42 syn keyword mfPathExp makepath reverse subpath curl tension atleast
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43 syn keyword mfPathExp controls cycle
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44
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45 " Page 214: 'pen expressions'
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46 syn keyword mfPenExp nullpen pencircle makepen
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47
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48 " Page 214: 'picutre expressions'
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49 syn keyword mfPicExp nullpicture
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50
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51 " Page 214: 'string expressions'
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52 syn keyword mfStringExp jobname readstring str char decimal substring
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53
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54 " Page 217: 'commands and statements'
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55 syn keyword mfCommand end dump save interim newinternal randomseed let
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56 syn keyword mfCommand delimiters outer everyjob show showvariable showtoken
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57 syn keyword mfCommand showdependencies showstats message errmessage errhelp
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58 syn keyword mfCommand batchmode nonstopmode scrollmode errorstopmode
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59 syn keyword mfCommand addto also contour doublepath withpen withweight cull
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60 syn keyword mfCommand keeping dropping display inwindow openwindow at from to
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61 syn keyword mfCommand shipout special numspecial
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62
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63 " Page 56: 'types'
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64 syn keyword mfType boolean numeric pair path pen picture string transform
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65
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66 " Page 155: 'grouping'
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67 syn keyword mfStatement begingroup endgroup
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68
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69 " Page 165: 'definitions'
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70 syn keyword mfDefinition enddef def expr suffix text primary secondary
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71 syn keyword mfDefinition tertiary vardef primarydef secondarydef tertiarydef
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72
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73 " Page 169: 'conditions and loops'
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74 syn keyword mfCondition if fi else elseif endfor for forsuffixes forever
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75 syn keyword mfCondition step until exitif
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76
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77 " Other primitives listed in the index
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78 syn keyword mfPrimitive charlist endinput expandafter extensible
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79 syn keyword mfPrimitive fontdimen headerbyte inner input intersectiontimes
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80 syn keyword mfPrimitive kern ligtable quote scantokens skipto
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81
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82 " Keywords defined by plain.mf (defined on pp.262-278)
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83 if !exists("plain_mf_macros")
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84 let plain_mf_macros = 1 " Set this to '0' if your source gets too colourful
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85 " metapost.vim does so to turn off Metafont macros
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86 endif
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87 if plain_mf_macros
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88 syn keyword mfMacro abs addto_currentpicture aspect_ratio base_name
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89 syn keyword mfMacro base_version beginchar blacker blankpicture bot bye byte
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90 syn keyword mfMacro capsule_def ceiling change_width clear_pen_memory clearit
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91 syn keyword mfMacro clearpen clearxy counterclockwise culldraw cullit
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92 syn keyword mfMacro currentpen currentpen_path currentpicture
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93 syn keyword mfMacro currenttransform currentwindow cutdraw cutoff d decr
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94 syn keyword mfMacro define_blacker_pixels define_corrected_pixels
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95 syn keyword mfMacro define_good_x_pixels define_good_y_pixels
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96 syn keyword mfMacro define_horizontal_corrected_pixels define_pixels
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97 syn keyword mfMacro define_whole_blacker_pixels define_whole_pixels
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98 syn keyword mfMacro define_whole_vertical_blacker_pixels
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99 syn keyword mfMacro define_whole_vertical_pixels dir direction directionpoint
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100 syn keyword mfMacro displaying ditto div dotprod down downto draw drawdot
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101 syn keyword mfMacro endchar eps epsilon extra_beginchar extra_endchar
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102 syn keyword mfMacro extra_setup erase exitunless fill filldraw fix_units flex
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103 syn keyword mfMacro font_coding_scheme font_extra_space font_identifier
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104 syn keyword mfMacro font_normal_shrink font_normal_space font_normal_stretch
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105 syn keyword mfMacro font_quad font_setup font_size font_slant font_x_height
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106 syn keyword mfMacro fullcircle generate gfcorners gobble gobbled grayfont h
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107 syn keyword mfMacro halfcircle hide hround identity image_rules incr infinity
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108 syn keyword mfMacro interact interpath intersectionpoint inverse italcorr
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109 syn keyword mfMacro join_radius killtext labelfont labels left lft localfont
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110 syn keyword mfMacro loggingall lowres lowres_fix mag magstep makebox makegrid
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111 syn keyword mfMacro makelabel maketicks max min mod mode mode_def mode_name
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112 syn keyword mfMacro mode_setup nodisplays notransforms number_of_modes numtok
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113 syn keyword mfMacro o_correction openit origin pen_bot pen_lft pen_rt pen_top
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114 syn keyword mfMacro penlabels penpos penrazor penspeck pensquare penstroke
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115 syn keyword mfMacro pickup pixels_per_inch proof proofoffset proofrule
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116 syn keyword mfMacro proofrulethickness quartercircle range reflectedabout
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117 syn keyword mfMacro relax right rotatedabout rotatedaround round rt rulepen
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118 syn keyword mfMacro savepen screenchars screen_rows screen_cols screenrule
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119 syn keyword mfMacro screenstrokes shipit showit slantfont smode smoke softjoin
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120 syn keyword mfMacro solve stop superellipse takepower tensepath titlefont
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121 syn keyword mfMacro tolerance top tracingall tracingnone undraw undrawdot
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122 syn keyword mfMacro unfill unfilldraw unitpixel unitsquare unitvector up upto
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123 syn keyword mfMacro vround w whatever
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124 endif
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125
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126 " Some other basic macro names, e.g., from cmbase, logo, etc.
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127 if !exists("other_mf_macros")
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128 let other_mf_macros = 1 " Set this to '0' if your code gets too colourful
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129 " metapost.vim does so to turn off Metafont macros
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130 endif
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131 if other_mf_macros
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132 syn keyword mfMacro beginlogochar
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133 endif
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134
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135 " Numeric tokens
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136 syn match mfNumeric "[-]\=\d\+"
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137 syn match mfNumeric "[-]\=\.\d\+"
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138 syn match mfNumeric "[-]\=\d\+\.\d\+"
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139
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140 " Metafont lengths
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141 syn match mfLength "\<\(bp\|cc\|cm\|dd\|in\|mm\|pc\|pt\)\>"
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142 syn match mfLength "\<[-]\=\d\+\(bp\|cc\|cm\|dd\|in\|mm\|pc\|pt\)\#\=\>"
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143 syn match mfLength "\<[-]\=\.\d\+\(bp\|cc\|cm\|dd\|in\|mm\|pc\|pt\)\#\=\>"
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144 syn match mfLength "\<[-]\=\d\+\.\d\+\(bp\|cc\|cm\|dd\|in\|mm\|pc\|pt\)\#\=\>"
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145
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146 " Metafont coordinates and points
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147 syn match mfCoord "\<[xy]\d\+\>"
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148 syn match mfPoint "\<z\d\+\>"
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149
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150 " String constants
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151 syn region mfString start=+"+ end=+"+
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152
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153 " Comments:
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154 syn match mfComment "%.*$"
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155
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156 " synchronizing
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157 syn sync maxlines=50
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158
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159 " Define the default highlighting
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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 yet
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162 if version >= 508 || !exists("did_mf_syntax_inits")
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163 if version < 508
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164 let did_mf_syntax_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 HiLink mfBoolExp Statement
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171 HiLink mfNumExp Statement
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172 HiLink mfInternal Identifier
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173 HiLink mfPairExp Statement
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174 HiLink mfPathExp Statement
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175 HiLink mfPenExp Statement
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176 HiLink mfPicExp Statement
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177 HiLink mfStringExp Statement
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178 HiLink mfCommand Statement
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179 HiLink mfType Type
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180 HiLink mfStatement Statement
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181 HiLink mfDefinition Statement
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182 HiLink mfCondition Conditional
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183 HiLink mfPrimitive Statement
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184 HiLink mfMacro Macro
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185 HiLink mfCoord Identifier
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186 HiLink mfPoint Identifier
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187 HiLink mfNumeric Number
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188 HiLink mfLength Number
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189 HiLink mfComment Comment
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190 HiLink mfString String
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191
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192 delcommand HiLink
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193 endif
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194
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195 let b:current_syntax = "mf"
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196
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197 " vim: ts=8
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