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1 <!SGML "ISO 8879:1986"
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2 --
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3 Document Type Definition for the HyperText Markup Language
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4 as used by the World Wide Web application (HTML DTD).
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5
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6 NOTE: This is a definition of HTML with respect to
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7 SGML, and assumes an understanding of SGML terms.
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8
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9 If you find bugs in this DTD or find it does not compile
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10 under some circumstances please mail www-bug@info.cern.ch
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11 --
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12
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13 CHARSET
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14 BASESET "ISO 646:1983//CHARSET
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15 International Reference Version (IRV)//ESC 2/5 4/0"
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16 DESCSET 0 9 UNUSED
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17 9 2 9
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18 11 2 UNUSED
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19 13 1 13
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20 14 18 UNUSED
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21 32 95 32
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22 127 1 UNUSED
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23 BASESET "ISO Registration Number 100//CHARSET
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24 ECMA-94 Right Part of Latin Alphabet Nr. 1//ESC 2/13 4/1"
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25 DESCSET 128 32 UNUSED
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26 160 95 32
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27 255 1 UNUSED
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28
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29
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30 CAPACITY SGMLREF
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31 TOTALCAP 150000
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32 GRPCAP 150000
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33
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34 SCOPE DOCUMENT
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35 SYNTAX
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36 SHUNCHAR CONTROLS 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
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37 19 20 21 22 23 24 25 26 27 28 29 30 31 127 255
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38 BASESET "ISO 646:1983//CHARSET
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39 International Reference Version (IRV)//ESC 2/5 4/0"
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40 DESCSET 0 128 0
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41 FUNCTION RE 13
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42 RS 10
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43 SPACE 32
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44 TAB SEPCHAR 9
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45 NAMING LCNMSTRT ""
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46 UCNMSTRT ""
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47 LCNMCHAR ".-"
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48 UCNMCHAR ".-"
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49 NAMECASE GENERAL YES
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50 ENTITY NO
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51 DELIM GENERAL SGMLREF
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52 SHORTREF SGMLREF
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53 NAMES SGMLREF
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54 QUANTITY SGMLREF
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55 NAMELEN 34
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56 TAGLVL 100
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57 LITLEN 1024
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58 GRPGTCNT 150
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59 GRPCNT 64
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60
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61 FEATURES
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62 MINIMIZE
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63 DATATAG NO
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64 OMITTAG NO
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65 RANK NO
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66 SHORTTAG NO
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67 LINK
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68 SIMPLE NO
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69 IMPLICIT NO
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70 EXPLICIT NO
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71 OTHER
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72 CONCUR NO
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73 SUBDOC NO
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74 FORMAL YES
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75 APPINFO NONE
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76 >
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77
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78 <!DOCTYPE HTML [
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79 <!-- Jul 1 93 -->
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80 <!-- Regarding clause 6.1, SGML Document:
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81
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82 [1] SGML document = SGML document entity,
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83 (SGML subdocument entity |
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84 SGML text entity | non-SGML data entity)*
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85
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86 The role of SGML document entity is filled by this DTD,
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87 followed by the conventional HTML data stream.
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88 -->
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89
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90 <!-- DTD definitions -->
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91
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92 <!ENTITY % heading "H1|H2|H3|H4|H5|H6" >
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93 <!ENTITY % list " UL | OL | DIR | MENU ">
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94 <!ENTITY % literal " XMP | LISTING ">
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95
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96 <!ENTITY % headelement
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97 " TITLE | NEXTID |ISINDEX" >
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98
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99 <!ENTITY % bodyelement
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100 "P | HR | %heading |
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101 %list | DL | ADDRESS | PRE | BLOCKQUOTE
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102 | %literal">
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103
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104 <!ENTITY % oldstyle "%headelement | %bodyelement | #PCDATA">
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105
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106 <!ENTITY % URL "CDATA"
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107 -- The term URL means a CDATA attribute
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108 whose value is a Uniform Resource Locator,
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109 as defined. (A URN may also be usable here when defined.)
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110 -->
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111
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112 <!ENTITY % linkattributes
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113 "NAME NMTOKEN #IMPLIED
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114 HREF %URL; #IMPLIED
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115 REL CDATA #IMPLIED -- forward relationship type --
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116 REV CDATA #IMPLIED -- reversed relationship type
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117 to referent data:
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118
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119 PARENT CHILD, SIBLING, NEXT, TOP,
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120 DEFINITION, UPDATE, ORIGINAL etc. --
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121
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122 URN CDATA #IMPLIED -- universal resource number --
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123
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124 TITLE CDATA #IMPLIED -- advisory only --
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125
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126 METHODS NAMES #IMPLIED -- supported public methods of the object:
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127 TEXTSEARCH, GET, HEAD, ... --
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128
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129 ">
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130
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131
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132 <!-- Document Element -->
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133
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134 <!ELEMENT HTML O O (( HEAD | BODY | %oldstyle )*, PLAINTEXT?)>
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135
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136 <!ELEMENT HEAD - - ( TITLE? & ISINDEX? & NEXTID? & LINK*
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137 & BASE?)>
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138
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139 <!ELEMENT TITLE - - RCDATA
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140 -- The TITLE element is not considered part of the flow of text.
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141 It should be displayed, for example as the page header or
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142 window title.
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143 -->
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144
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145 <!ELEMENT ISINDEX - O EMPTY
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146 -- WWW clients should offer the option to perform a search on
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147 documents containing ISINDEX.
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148 -->
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149
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150 <!ELEMENT NEXTID - O EMPTY>
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151 <!ATTLIST NEXTID N NAME #REQUIRED
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152 -- The number should be a name suitable for use
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153 for the ID of a new element. When used, the value
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154 has its numeric part incremented. EG Z67 becomes Z68
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155 -->
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156 <!ELEMENT LINK - O EMPTY>
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157 <!ATTLIST LINK
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158 %linkattributes>
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159
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160 <!ELEMENT BASE - O EMPTY -- Reference context for URLS -->
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161 <!ATTLIST BASE
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162
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163 HREF %URL; #IMPLIED
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164
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165 >
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166 <!ENTITY % inline "EM | TT | STRONG | B | I | U |
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167 CODE | SAMP | KBD | KEY | VAR | DFN | CITE "
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168 >
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169
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170 <!ELEMENT (%inline;) - - (#PCDATA)>
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171
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172 <!ENTITY % text "#PCDATA | IMG | %inline;">
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173
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174 <!ENTITY % htext "A | %text" -- Plus links, no structure -->
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175
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176 <!ENTITY % stext -- as htext but also nested structure --
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177 "P | HR | %list | DL | ADDRESS
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178 | PRE | BLOCKQUOTE
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179 | %literal | %htext">
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180
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181
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182 <!ELEMENT BODY - - (%bodyelement|%htext;)*>
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183
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184
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185 <!ELEMENT A - - (%text)>
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186 <!ATTLIST A
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187 %linkattributes;
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188 >
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189
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190 <!ELEMENT IMG - O EMPTY -- Embedded image -->
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191 <!ATTLIST IMG
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192 SRC %URL; #IMPLIED -- URL of document to embed --
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193 >
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194
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195
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196 <!ELEMENT P - O EMPTY -- separates paragraphs -->
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197 <!ELEMENT HR - O EMPTY -- horizontal rule -->
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198
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199 <!ELEMENT ( %heading ) - - (%htext;)+>
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200
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201 <!ELEMENT DL - - (DT | DD | %stext;)*>
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202 <!-- Content should match ((DT,(%htext;)+)+,(DD,(%stext;)+))
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203 But mixed content is messy. -Dan Connolly
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204 -->
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205
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206 <!ELEMENT DT - O EMPTY>
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207 <!ELEMENT DD - O EMPTY>
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208
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209 <!ELEMENT (UL|OL) - - (%htext;|LI|P)+>
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210 <!ELEMENT (DIR|MENU) - - (%htext;|LI)+>
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211 <!-- Content should match ((LI,(%htext;)+)+)
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212 But mixed content is messy.
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213 -->
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214 <!ATTLIST (%list)
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215 COMPACT NAME #IMPLIED -- COMPACT, etc.--
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216 >
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217
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218 <!ELEMENT LI - O EMPTY>
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219
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220 <!ELEMENT BLOCKQUOTE - - (%htext;|P)+
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221 -- for quoting some other source -->
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222
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223 <!ELEMENT ADDRESS - - (%htext;|P)+>
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224
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225 <!ELEMENT PRE - - (#PCDATA|%inline|A|P)+>
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226 <!ATTLIST PRE
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227 WIDTH NUMBER #implied
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228 >
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229
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230 <!-- Mnemonic character entities. -->
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231 <!ENTITY AElig "Æ" -- capital AE diphthong (ligature) -->
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232 <!ENTITY Aacute "Á" -- capital A, acute accent -->
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233 <!ENTITY Acirc "Â" -- capital A, circumflex accent -->
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234 <!ENTITY Agrave "À" -- capital A, grave accent -->
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235 <!ENTITY Aring "Å" -- capital A, ring -->
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236 <!ENTITY Atilde "Ã" -- capital A, tilde -->
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237 <!ENTITY Auml "Ä" -- capital A, dieresis or umlaut mark -->
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238 <!ENTITY Ccedil "Ç" -- capital C, cedilla -->
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239 <!ENTITY ETH "Ð" -- capital Eth, Icelandic -->
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240 <!ENTITY Eacute "É" -- capital E, acute accent -->
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241 <!ENTITY Ecirc "Ê" -- capital E, circumflex accent -->
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242 <!ENTITY Egrave "È" -- capital E, grave accent -->
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243 <!ENTITY Euml "Ë" -- capital E, dieresis or umlaut mark -->
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244 <!ENTITY Iacute "Í" -- capital I, acute accent -->
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245 <!ENTITY Icirc "Î" -- capital I, circumflex accent -->
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246 <!ENTITY Igrave "Ì" -- capital I, grave accent -->
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247 <!ENTITY Iuml "Ï" -- capital I, dieresis or umlaut mark -->
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248 <!ENTITY Ntilde "Ñ" -- capital N, tilde -->
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249 <!ENTITY Oacute "Ó" -- capital O, acute accent -->
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250 <!ENTITY Ocirc "Ô" -- capital O, circumflex accent -->
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251 <!ENTITY Ograve "Ò" -- capital O, grave accent -->
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252 <!ENTITY Oslash "Ø" -- capital O, slash -->
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253 <!ENTITY Otilde "Õ" -- capital O, tilde -->
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254 <!ENTITY Ouml "Ö" -- capital O, dieresis or umlaut mark -->
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255 <!ENTITY THORN "Þ" -- capital THORN, Icelandic -->
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256 <!ENTITY Uacute "Ú" -- capital U, acute accent -->
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257 <!ENTITY Ucirc "Û" -- capital U, circumflex accent -->
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258 <!ENTITY Ugrave "Ù" -- capital U, grave accent -->
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259 <!ENTITY Uuml "Ü" -- capital U, dieresis or umlaut mark -->
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260 <!ENTITY Yacute "Ý" -- capital Y, acute accent -->
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261 <!ENTITY aacute "á" -- small a, acute accent -->
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262 <!ENTITY acirc "â" -- small a, circumflex accent -->
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263 <!ENTITY aelig "æ" -- small ae diphthong (ligature) -->
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264 <!ENTITY agrave "à" -- small a, grave accent -->
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265 <!ENTITY amp "&" -- ampersand -->
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266 <!ENTITY aring "å" -- small a, ring -->
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267 <!ENTITY atilde "ã" -- small a, tilde -->
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268 <!ENTITY auml "ä" -- small a, dieresis or umlaut mark -->
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269 <!ENTITY ccedil "ç" -- small c, cedilla -->
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270 <!ENTITY eacute "é" -- small e, acute accent -->
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271 <!ENTITY ecirc "ê" -- small e, circumflex accent -->
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272 <!ENTITY egrave "è" -- small e, grave accent -->
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273 <!ENTITY eth "ð" -- small eth, Icelandic -->
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274 <!ENTITY euml "ë" -- small e, dieresis or umlaut mark -->
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275 <!ENTITY gt ">" -- greater than -->
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276 <!ENTITY iacute "í" -- small i, acute accent -->
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277 <!ENTITY icirc "î" -- small i, circumflex accent -->
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278 <!ENTITY igrave "ì" -- small i, grave accent -->
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279 <!ENTITY iuml "ï" -- small i, dieresis or umlaut mark -->
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280 <!ENTITY lt "<" -- less than -->
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281 <!ENTITY nbsp " " -- should be NON_BREAKING space -->
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282 <!ENTITY ntilde "ñ" -- small n, tilde -->
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283 <!ENTITY oacute "ó" -- small o, acute accent -->
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284 <!ENTITY ocirc "ô" -- small o, circumflex accent -->
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285 <!ENTITY ograve "ò" -- small o, grave accent -->
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286 <!ENTITY oslash "ø" -- small o, slash -->
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287 <!ENTITY otilde "õ" -- small o, tilde -->
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288 <!ENTITY ouml "ö" -- small o, dieresis or umlaut mark -->
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289 <!ENTITY szlig "ß" -- small sharp s, German (sz ligature) -->
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290 <!ENTITY thorn "þ" -- small thorn, Icelandic -->
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291 <!ENTITY uacute "ú" -- small u, acute accent -->
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292 <!ENTITY ucirc "û" -- small u, circumflex accent -->
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293 <!ENTITY ugrave "ù" -- small u, grave accent -->
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294 <!ENTITY uuml "ü" -- small u, dieresis or umlaut mark -->
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295 <!ENTITY yacute "ý" -- small y, acute accent -->
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296 <!ENTITY yuml "ÿ" -- small y, dieresis or umlaut mark -->
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297
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298 <!-- deprecated elements -->
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299
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300 <!ELEMENT (%literal) - - CDATA>
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301
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302 <!ELEMENT PLAINTEXT - O EMPTY>
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303
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304 <!-- Local Variables: -->
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305 <!-- mode: sgml -->
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306 <!-- compile-command: "sgmls -s -p " -->
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307 <!-- end: -->
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308 ]>
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