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7
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1 " Vim syntax file
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2 " Language: SGML
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3 " Maintainer: Johannes Zellner <johannes@zellner.org>
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4 " Last Change: Tue, 27 Apr 2004 15:05:21 CEST
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5 " Filenames: *.sgml,*.sgm
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6 " $Id$
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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 let s:sgml_cpo_save = &cpo
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17 set cpo&vim
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18
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19 syn case match
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20
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21 " mark illegal characters
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22 syn match sgmlError "[<&]"
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23
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24
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25 " unicode numbers:
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26 " provide different highlithing for unicode characters
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27 " inside strings and in plain text (character data).
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28 "
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29 " EXAMPLE:
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30 "
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31 " \u4e88
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32 "
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33 syn match sgmlUnicodeNumberAttr +\\u\x\{4}+ contained contains=sgmlUnicodeSpecifierAttr
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34 syn match sgmlUnicodeSpecifierAttr +\\u+ contained
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35 syn match sgmlUnicodeNumberData +\\u\x\{4}+ contained contains=sgmlUnicodeSpecifierData
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36 syn match sgmlUnicodeSpecifierData +\\u+ contained
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37
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38
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39 " strings inside character data or comments
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40 "
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41 syn region sgmlString contained start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=sgmlEntity,sgmlUnicodeNumberAttr display
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42 syn region sgmlString contained start=+'+ skip=+\\\\\|\\'+ end=+'+ contains=sgmlEntity,sgmlUnicodeNumberAttr display
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43
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44 " punctuation (within attributes) e.g. <tag sgml:foo.attribute ...>
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45 " ^ ^
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46 syn match sgmlAttribPunct +[:.]+ contained display
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47
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48
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49 " no highlighting for sgmlEqual (sgmlEqual has no highlighting group)
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50 syn match sgmlEqual +=+
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51
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52
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53 " attribute, everything before the '='
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54 "
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55 " PROVIDES: @sgmlAttribHook
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56 "
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57 " EXAMPLE:
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58 "
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59 " <tag foo.attribute = "value">
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60 " ^^^^^^^^^^^^^
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61 "
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62 syn match sgmlAttrib
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63 \ +[^-'"<]\@<=\<[a-zA-Z0-9.:]\+\>\([^'">]\@=\|$\)+
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64 \ contained
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65 \ contains=sgmlAttribPunct,@sgmlAttribHook
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66 \ display
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67
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68
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69 " UNQUOTED value (not including the '=' -- sgmlEqual)
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70 "
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71 " PROVIDES: @sgmlValueHook
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72 "
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73 " EXAMPLE:
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74 "
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75 " <tag foo.attribute = value>
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76 " ^^^^^
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77 "
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78 syn match sgmlValue
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79 \ +[^"' =/!?<>][^ =/!?<>]*+
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80 \ contained
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81 \ contains=sgmlEntity,sgmlUnicodeNumberAttr,@sgmlValueHook
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82 \ display
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83
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84
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85 " QUOTED value (not including the '=' -- sgmlEqual)
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86 "
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87 " PROVIDES: @sgmlValueHook
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88 "
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89 " EXAMPLE:
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90 "
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91 " <tag foo.attribute = "value">
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92 " ^^^^^^^
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93 " <tag foo.attribute = 'value'>
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94 " ^^^^^^^
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95 "
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96 syn region sgmlValue contained start=+"+ skip=+\\\\\|\\"+ end=+"+
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97 \ contains=sgmlEntity,sgmlUnicodeNumberAttr,@sgmlValueHook
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98 syn region sgmlValue contained start=+'+ skip=+\\\\\|\\'+ end=+'+
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99 \ contains=sgmlEntity,sgmlUnicodeNumberAttr,@sgmlValueHook
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100
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101
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102 " value, everything after (and including) the '='
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103 " no highlighting!
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104 "
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105 " EXAMPLE:
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106 "
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107 " <tag foo.attribute = "value">
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108 " ^^^^^^^^^
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109 " <tag foo.attribute = value>
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110 " ^^^^^^^
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111 "
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112 syn match sgmlEqualValue
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113 \ +=\s*[^ =/!?<>]\++
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114 \ contained
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115 \ contains=sgmlEqual,sgmlString,sgmlValue
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116 \ display
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117
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118
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119 " start tag
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120 " use matchgroup=sgmlTag to skip over the leading '<'
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121 " see also sgmlEmptyTag below.
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122 "
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123 " PROVIDES: @sgmlTagHook
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124 "
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125 syn region sgmlTag
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126 \ matchgroup=sgmlTag start=+<[^ /!?"']\@=+
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127 \ matchgroup=sgmlTag end=+>+
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128 \ contained
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129 \ contains=sgmlError,sgmlAttrib,sgmlEqualValue,@sgmlTagHook
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130
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131
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132 " tag content for empty tags. This is the same as sgmlTag
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133 " above, except the `matchgroup=sgmlEndTag for highlighting
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134 " the end '/>' differently.
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135 "
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136 " PROVIDES: @sgmlTagHook
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137 "
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138 syn region sgmlEmptyTag
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139 \ matchgroup=sgmlTag start=+<[^ /!?"']\@=+
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140 \ matchgroup=sgmlEndTag end=+/>+
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141 \ contained
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142 \ contains=sgmlError,sgmlAttrib,sgmlEqualValue,@sgmlTagHook
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143
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144
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145 " end tag
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146 " highlight everything but not the trailing '>' which
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147 " was already highlighted by the containing sgmlRegion.
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148 "
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149 " PROVIDES: @sgmlTagHook
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150 " (should we provide a separate @sgmlEndTagHook ?)
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151 "
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152 syn match sgmlEndTag
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153 \ +</[^ /!?>"']\+>+
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154 \ contained
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155 \ contains=@sgmlTagHook
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156
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157
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158 " [-- SGML SPECIFIC --]
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159
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160 " SGML specific
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161 " tag content for abbreviated regions
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162 "
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163 " PROVIDES: @sgmlTagHook
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164 "
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165 syn region sgmlAbbrTag
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166 \ matchgroup=sgmlTag start=+<[^ /!?"']\@=+
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167 \ matchgroup=sgmlTag end=+/+
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168 \ contained
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169 \ contains=sgmlError,sgmlAttrib,sgmlEqualValue,@sgmlTagHook
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170
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171
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172 " SGML specific
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173 " just highlight the trailing '/'
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174 syn match sgmlAbbrEndTag +/+
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175
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176
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177 " SGML specific
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178 " abbreviated regions
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179 "
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180 " No highlighing, highlighing is done by contained elements.
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181 "
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182 " PROVIDES: @sgmlRegionHook
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183 "
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184 " EXAMPLE:
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185 "
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186 " <bold/Im Anfang war das Wort/
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187 "
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188 syn match sgmlAbbrRegion
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189 \ +<[^/!?>"']\+/\_[^/]\+/+
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190 \ contains=sgmlAbbrTag,sgmlAbbrEndTag,sgmlCdata,sgmlComment,sgmlEntity,sgmlUnicodeNumberData,@sgmlRegionHook
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191
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192 " [-- END OF SGML SPECIFIC --]
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193
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194
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195 " real (non-empty) elements. We cannot do syntax folding
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196 " as in xml, because end tags may be optional in sgml depending
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197 " on the dtd.
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198 " No highlighing, highlighing is done by contained elements.
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199 "
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200 " PROVIDES: @sgmlRegionHook
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201 "
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202 " EXAMPLE:
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203 "
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204 " <tag id="whoops">
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205 " <!-- comment -->
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206 " <another.tag></another.tag>
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207 " <another.tag/>
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208 " some data
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209 " </tag>
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210 "
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211 " SGML specific:
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212 " compared to xmlRegion:
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213 " - removed folding
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214 " - added a single '/'in the start pattern
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215 "
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216 syn region sgmlRegion
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217 \ start=+<\z([^ /!?>"']\+\)\(\(\_[^/>]*[^/!?]>\)\|>\)+
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218 \ end=+</\z1>+
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219 \ contains=sgmlTag,sgmlEndTag,sgmlCdata,@sgmlRegionCluster,sgmlComment,sgmlEntity,sgmlUnicodeNumberData,@sgmlRegionHook
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220 \ keepend
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221 \ extend
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222
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223
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224 " empty tags. Just a container, no highlighting.
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225 " Compare this with sgmlTag.
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226 "
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227 " EXAMPLE:
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228 "
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229 " <tag id="lola"/>
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230 "
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231 " TODO use sgmlEmptyTag intead of sgmlTag
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232 syn match sgmlEmptyRegion
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233 \ +<[^ /!?>"']\(\_[^"'<>]\|"\_[^"]*"\|'\_[^']*'\)*/>+
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234 \ contains=sgmlEmptyTag
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235
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236
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237 " cluster which contains the above two elements
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238 syn cluster sgmlRegionCluster contains=sgmlRegion,sgmlEmptyRegion,sgmlAbbrRegion
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239
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240
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241 " &entities; compare with dtd
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242 syn match sgmlEntity "&[^; \t]*;" contains=sgmlEntityPunct
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243 syn match sgmlEntityPunct contained "[&.;]"
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244
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245
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246 " The real comments (this implements the comments as defined by sgml,
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247 " but not all sgml pages actually conform to it. Errors are flagged.
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248 syn region sgmlComment start=+<!+ end=+>+ contains=sgmlCommentPart,sgmlString,sgmlCommentError,sgmlTodo
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249 syn keyword sgmlTodo contained TODO FIXME XXX display
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250 syn match sgmlCommentError contained "[^><!]"
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251 syn region sgmlCommentPart contained start=+--+ end=+--+
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252
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253
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254 " CData sections
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255 "
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256 " PROVIDES: @sgmlCdataHook
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257 "
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258 syn region sgmlCdata
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259 \ start=+<!\[CDATA\[+
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260 \ end=+]]>+
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261 \ contains=sgmlCdataStart,sgmlCdataEnd,@sgmlCdataHook
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262 \ keepend
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263 \ extend
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264 " using the following line instead leads to corrupt folding at CDATA regions
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265 " syn match sgmlCdata +<!\[CDATA\[\_.\{-}]]>+ contains=sgmlCdataStart,sgmlCdataEnd,@sgmlCdataHook
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266 syn match sgmlCdataStart +<!\[CDATA\[+ contained contains=sgmlCdataCdata
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267 syn keyword sgmlCdataCdata CDATA contained
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268 syn match sgmlCdataEnd +]]>+ contained
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269
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270
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271 " Processing instructions
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272 " This allows "?>" inside strings -- good idea?
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273 syn region sgmlProcessing matchgroup=sgmlProcessingDelim start="<?" end="?>" contains=sgmlAttrib,sgmlEqualValue
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274
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275
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276 " DTD -- we use dtd.vim here
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277 syn region sgmlDocType matchgroup=sgmlDocTypeDecl start="\c<!DOCTYPE"he=s+2,rs=s+2 end=">" contains=sgmlDocTypeKeyword,sgmlInlineDTD,sgmlString
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278 syn keyword sgmlDocTypeKeyword contained DOCTYPE PUBLIC SYSTEM
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279 syn region sgmlInlineDTD contained start="\[" end="]" contains=@sgmlDTD
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280 syn include @sgmlDTD <sfile>:p:h/dtd.vim
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281
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282
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283 " synchronizing
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284 " TODO !!! to be improved !!!
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285
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286 syn sync match sgmlSyncDT grouphere sgmlDocType +\_.\(<!DOCTYPE\)\@=+
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287 " syn sync match sgmlSyncDT groupthere NONE +]>+
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288
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289 syn sync match sgmlSync grouphere sgmlRegion +\_.\(<[^ /!?>"']\+\)\@=+
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290 " syn sync match sgmlSync grouphere sgmlRegion "<[^ /!?>"']*>"
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291 syn sync match sgmlSync groupthere sgmlRegion +</[^ /!?>"']\+>+
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292
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293 syn sync minlines=100
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294
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295
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296 " The default highlighting.
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297 hi def link sgmlTodo Todo
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298 hi def link sgmlTag Function
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299 hi def link sgmlEndTag Identifier
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300 " SGML specifig
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301 hi def link sgmlAbbrEndTag Identifier
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302 hi def link sgmlEmptyTag Function
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303 hi def link sgmlEntity Statement
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304 hi def link sgmlEntityPunct Type
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305
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306 hi def link sgmlAttribPunct Comment
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307 hi def link sgmlAttrib Type
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308
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309 hi def link sgmlValue String
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310 hi def link sgmlString String
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311 hi def link sgmlComment Comment
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312 hi def link sgmlCommentPart Comment
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313 hi def link sgmlCommentError Error
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314 hi def link sgmlError Error
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315
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316 hi def link sgmlProcessingDelim Comment
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317 hi def link sgmlProcessing Type
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318
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319 hi def link sgmlCdata String
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320 hi def link sgmlCdataCdata Statement
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321 hi def link sgmlCdataStart Type
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322 hi def link sgmlCdataEnd Type
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323
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324 hi def link sgmlDocTypeDecl Function
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325 hi def link sgmlDocTypeKeyword Statement
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326 hi def link sgmlInlineDTD Function
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327 hi def link sgmlUnicodeNumberAttr Number
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328 hi def link sgmlUnicodeSpecifierAttr SpecialChar
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329 hi def link sgmlUnicodeNumberData Number
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330 hi def link sgmlUnicodeSpecifierData SpecialChar
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331
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332 let b:current_syntax = "sgml"
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333
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334 let &cpo = s:sgml_cpo_save
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335 unlet s:sgml_cpo_save
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336
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337 " vim: ts=8
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