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2
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1 <!-- html-mcom.dtd
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2
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3 Document Type Definition for the HyperText Markup Language (HTML DTD)
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4 with Netscape Communications Corp Extensions
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5
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70
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6 $Id: html-mcom.dtd,v 1.1.1.1 1996/12/18 22:42:23 steve Exp $
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2
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7
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8 Author: Daniel W. Connolly <connolly@w3.org>
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9 See Also: html.decl, ISOlat1.sgml
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10 http://home.netscape.com/assist/net_sites/html_extensions.html
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11 http://www.halsoft.com/sgml/Mozilla/DTD-HOME.html
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12 http://www.hpl.hp.co.uk/people/dsr/html3/Contents.html
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13
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14 Table addtions by: Mark Gaither (markg@hal.com) 26 Jun 95
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15 -->
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16
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17 <!ENTITY % HTML.Version
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18 "-//Netscape Comm. Corp.//DTD HTML//EN"
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19
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20 -- Typical usage:
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21
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22 <!DOCTYPE HTML PUBLIC "-//Netscape Comm. Corp.//DTD HTML//EN">
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23 <html>
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24 ...
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25 </html>
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26 --
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27 >
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28
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29
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30 <!--================== Feature Test Entities ==============================-->
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31
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32 <!ENTITY % HTML.Recommended "IGNORE"
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33 -- Certain features of the language are necessary for compatibility
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34 with widespread usage, but they may compromise the structural
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35 integrity of a document. This feature test entity enables
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36 a more prescriptive document type definition that eliminates
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37 the above features.
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38 -->
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39
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40 <![ %HTML.Recommended [
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41 <!ENTITY % HTML.Deprecated "IGNORE">
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42 ]]>
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43
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44 <!ENTITY % HTML.Deprecated "INCLUDE"
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45 -- Certain features of the language are necessary for compatibility
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46 with earlier versions of the specification, but they tend
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47 to be used an implemented inconsistently, and their use is
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48 deprecated. This feature test entity enables a document type
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49 definition that eliminates these features.
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50 -->
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51
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52 <!ENTITY % HTML.Highlighting "INCLUDE">
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53 <!ENTITY % HTML.Forms "INCLUDE">
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54
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55 <!--================== Imported Names =====================================-->
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56
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57 <!ENTITY % Content-Type "CDATA"
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58 -- meaning a MIME content type, as per RFC1521
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59 -->
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60
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61 <!ENTITY % HTTP-Method "GET | POST"
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62 -- as per HTTP specification
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63 -->
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64
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65 <!ENTITY % URI "CDATA"
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66 -- The term URI means a CDATA attribute
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67 whose value is a Uniform Resource Identifier,
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68 as defined by
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69 "Universal Resource Identifiers" by Tim Berners-Lee
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70 aka http://info.cern.ch/hypertext/WWW/Addressing/URL/URI_Overview.html
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71 aka RFC 1630
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72
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73 Note that CDATA attributes are limited by the LITLEN
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74 capacity (1024 in the current version of html.decl),
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75 so that URIs in HTML have a bounded length.
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76
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77 -->
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78
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79
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80 <!-- DTD "macros" -->
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81
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82 <!ENTITY % heading "H1|H2|H3|H4|H5|H6">
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83
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84 <!ENTITY % list " UL | OL | DIR | MENU " >
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85
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86
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87 <!--================ Character mnemonic entities ==========================-->
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88
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89 <!ENTITY % ISOlat1 PUBLIC
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90 "-//IETF//ENTITIES Added Latin 1 for HTML//EN">
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91 %ISOlat1;
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92
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93 <!ENTITY amp CDATA "&" -- ampersand -->
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94 <!ENTITY gt CDATA ">" -- greater than -->
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95 <!ENTITY lt CDATA "<" -- less than -->
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96 <!ENTITY quot CDATA """ -- double quote -->
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97
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98 <!ENTITY reg CDATA "®" -- registered trademark -->
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99 <!ENTITY copy CDATA "©" -- copyright -->
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100
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101 <!--=================== Text Markup =======================================-->
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102
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103 <![ %HTML.Highlighting [
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104
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105 <!ENTITY % font " TT | B | I | FONT">
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106
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107 <!ENTITY % phrase "EM | STRONG | CODE | SAMP | KBD | VAR | CITE | BLINK">
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108
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109 <!ENTITY % text "#PCDATA | A | IMG | BR | WBR | NOBR | BASEFONT
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110 | %phrase | %font">
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111
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112 <!ENTITY % pre.content "#PCDATA | A | HR | BR | %font | %phrase">
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113
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114 <!ELEMENT (%font;|%phrase) - - (%text)+>
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115
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116 <!ELEMENT basefont - - ANY>
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117
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118 <!ATTLIST (font|basefont)
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119 SIZE CDATA #REQUIRED -- should be NUTOKEN, using size=plus3, -->
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120 ]]>
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121
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122 <!ENTITY % text "#PCDATA | A | IMG | BR | WBR | NOBR | CENTER">
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123
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124 <!ELEMENT BR - O EMPTY>
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125 <!ATTLIST BR
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126 CLEAR (left|right|all) #IMPLIED>
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127
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128 <!ELEMENT NOBR - - (%text)+>
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129 <!ELEMENT WBR - O EMPTY>
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130
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131 <!--================== Link Markup ========================================-->
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132
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133 <![ %HTML.Recommended [
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134 <!ENTITY % linkName "ID">
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135 ]]>
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136
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137 <!ENTITY % linkName "CDATA">
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138
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139 <!ENTITY % linkType "NAME"
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140 -- a list of these will be specified at a later date -->
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141
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142 <!ENTITY % linkExtraAttributes
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143 "REL %linkType #IMPLIED -- forward relationship type --
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144 REV %linkType #IMPLIED -- reversed relationship type
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145 to referent data --
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146 URN CDATA #IMPLIED -- universal resource number --
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147
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148 TITLE CDATA #IMPLIED -- advisory only --
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149 METHODS NAMES #IMPLIED -- supported public methods of the object:
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150 TEXTSEARCH, GET, HEAD, ... --
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151 ">
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152
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153 <![ %HTML.Recommended [
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154 <!ENTITY % A.content "(%text)+"
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155 -- <H1><a name="xxx">Heading</a></H1>
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156 is preferred to
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157 <a name="xxx"><H1>Heading</H1></a>
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158 -->
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159 ]]>
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160
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161 <!ENTITY % A.content "(%heading|%text)+">
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162
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163 <!ELEMENT A - - %A.content -(A)>
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164
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165 <!ATTLIST A
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166 HREF %URI #IMPLIED
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167 NAME %linkName #IMPLIED
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168 %linkExtraAttributes;
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169 >
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170
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171 <!--=================== Images ============================================-->
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172
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173 <!ENTITY % img.alt.default "#IMPLIED"
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174 -- ALT attribute required in Level 0 docs -->
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175
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176 <!ELEMENT IMG - O EMPTY -- Embedded image -->
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177 <!ATTLIST IMG
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178 SRC %URI; #REQUIRED -- URI of document to embed --
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179 LOWSRC %URI; #IMPLIED -- low resolution images spec --
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180 ALT CDATA %img.alt.default;
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181 ALIGN (left|right|center|top|texttop|middle|
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182 absmiddle|baseline|bottom|absbottom) baseline
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183 WIDTH CDATA #IMPLIED
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184 HEIGHT NUMBER #IMPLIED
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185 BORDER NUMBER #IMPLIED
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186 VSPACE NUMBER #IMPLIED
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187 HSPACE NUMBER #IMPLIED
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188 ISMAP (ISMAP) #IMPLIED
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189 >
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190
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191
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192 <!--=================== Paragraphs=========================================-->
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193
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194 <!ENTITY % attrs -- common attributes for elements --
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195 'id ID #IMPLIED -- as target for hrefs (link ends) --
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196 lang CDATA "en.us" -- ISO language, country code --
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197 class NAMES #IMPLIED -- for subclassing elements --'>
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198
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199 <!ENTITY % needs -- Attributes for controlling text flow. Used in headers
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200 and other elements to guarantee sufficient room --
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201 'clear CDATA "no" -- (left|right|all|no) move down past figures --
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202 needs CDATA #IMPLIED -- minimum width needed in em"s or pixels --
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203 -- e.g. "40 em" or "100 pixels" --'>
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204
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205 <!ELEMENT P - O (%text)+>
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206 <!ATTLIST P
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207 %attrs;
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208 align (left|center|right|justify) #IMPLIED
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209 %needs; -- for control of text flow --
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210 nowrap (nowrap) #IMPLIED -- disable wordwrap --
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211 >
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212
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213 <!--=================== Headings, Titles, Sections ========================-->
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214
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215 <!ELEMENT HR - O EMPTY -- horizontal rule -->
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216 <!ATTLIST HR
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217 SIZE NUMBER #IMPLIED
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218 WIDTH CDATA #IMPLIED
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219 ALIGN (left|right|center) #IMPLIED
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220 NOSHADE (NOSHADE) #IMPLIED>
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221
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222 <!ELEMENT ( %heading ) - - (%text;)+>
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223 <!ATTLIST ( %heading )
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224 %attrs;
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225 align (left|center|right|justify) #IMPLIED
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226 %needs; -- for control of text flow --
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227 >
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228
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229
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230 <!ELEMENT TITLE - - (#PCDATA)
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231 -- The TITLE element is not considered part of the flow of text.
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232 It should be displayed, for example as the page header or
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233 window title.
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234 -->
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235
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236
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237 <!--=================== Text Flows ========================================-->
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238
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239 <![ %HTML.Forms [
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240 <!ENTITY % block.forms "FORM | TABLE | ISINDEX">
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241 ]]>
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242
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243 <!ENTITY % block.forms "">
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244
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245 <![ %HTML.Deprecated [
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246 <!ENTITY % preformatted "PRE | XMP | LISTING">
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247 ]]>
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248
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249 <!ENTITY % preformatted "PRE">
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250
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251 <!ENTITY % block "P | %list | DL
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252 | %preformatted
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253 | BLOCKQUOTE | CENTER | %block.forms">
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254
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255 <!ENTITY % flow "(%text|%block)*">
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256
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257 <!ENTITY % pre.content "#PCDATA | A | HR | BR">
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258 <!ELEMENT PRE - - (%pre.content)+>
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259
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260 <!ATTLIST PRE
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261 WIDTH NUMBER #implied
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262 >
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263
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264 <![ %HTML.Deprecated [
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265
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266 <!ENTITY % literal "CDATA"
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267 -- special non-conforming parsing mode where
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268 the only markup signal is the end tag
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269 in full
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270 -->
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271
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272 <!ELEMENT XMP - - %literal>
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273 <!ELEMENT LISTING - - %literal>
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274 <!ELEMENT PLAINTEXT - O %literal>
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275
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276 ]]>
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277
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278
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279 <!--=================== Lists =============================================-->
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280
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281 <!ELEMENT DL - - (DT*, DD?)+>
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282 <!ATTLIST DL
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283 COMPACT (COMPACT) #IMPLIED>
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284
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285 <!ELEMENT DT - O (%text)+>
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286 <!ELEMENT DD - O %flow>
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287
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288 <!ELEMENT (OL|UL) - - (LI)+>
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289 <!ELEMENT (DIR|MENU) - - (LI)+ -(%block)>
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290 <!ATTLIST (UL)
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291 COMPACT (COMPACT) #IMPLIED
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292 TYPE CDATA #IMPLIED
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293 >
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294 <!ATTLIST (OL)
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295 START NUMBER #IMPLIED
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296 COMPACT (COMPACT) #IMPLIED
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297 TYPE CDATA "1"
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298 >
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299
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300 <!ELEMENT LI - O %flow>
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301 <!ATTLIST LI
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302 TYPE CDATA #IMPLIED
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303 VALUE CDATA #implied>
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304
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305 <!--=================== Document Body =====================================-->
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306
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307 <![ %HTML.Recommended [
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308 <!ENTITY % body.content "(%heading|%block|HR|ADDRESS)*"
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309 -- <h1>Heading</h1>
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310 <p>Text ...
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311 is preferred to
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312 <h1>Heading</h1>
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313 Text ...
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314 -->
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315 ]]>
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316
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317 <!ENTITY % body.content "(%heading | %text | %block | HR | ADDRESS)*">
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318
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319 <!ELEMENT BODY O O %body.content>
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320 <!ATTLIST BODY
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321 BACKGROUND %URI; #IMPLIED
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322 BGCOLOR CDATA #IMPLIED
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323 TEXT CDATA #IMPLIED
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324 LINK CDATA #IMPLIED
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325 VLINK CDATA #IMPLIED
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326 ALINK CDATA #IMPLIED
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327 >
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328
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329 <!ELEMENT BLOCKQUOTE - - %body.content>
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330
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331 <!ELEMENT CENTER - - %body.content>
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332
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333 <![ %HTML.Recommended [
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334 <!ENTITY % address.content "(%text)*">
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335 ]]>
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336 <!ENTITY % address.content "(%text|P)*">
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337 <!ELEMENT ADDRESS - - %address.content>
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338
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339
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340 <!--================ Forms ===============================================-->
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341
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342 <![ %HTML.Forms [
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343
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344 <!ELEMENT FORM - - %body.content -(FORM) +(INPUT|SELECT|TEXTAREA)>
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345 <!ATTLIST FORM
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346 ACTION %URI #REQUIRED
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347 METHOD (%HTTP-Method) GET
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348 ENCTYPE %Content-Type; "application/x-www-form-urlencoded"
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349 >
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350
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351 <!ENTITY % InputType "(TEXT | PASSWORD | CHECKBOX |
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352 RADIO | SUBMIT | RESET |
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353 IMAGE | HIDDEN )">
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354 <!ELEMENT INPUT - O EMPTY>
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355 <!ATTLIST INPUT
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356 TYPE %InputType TEXT
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357 NAME CDATA #IMPLIED -- required for all but submit and reset --
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358 VALUE CDATA #IMPLIED
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359 SRC %URI #IMPLIED -- for image inputs --
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360 CHECKED (CHECKED) #IMPLIED
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361 SIZE CDATA #IMPLIED -- like NUMBERS,
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362 but delimited with comma, not space --
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363 MAXLENGTH NUMBER #IMPLIED
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364 ALIGN (top|middle|bottom) #IMPLIED
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365 >
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366
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367 <!ELEMENT SELECT - - (OPTION+)>
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368 <!ATTLIST SELECT
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369 NAME CDATA #REQUIRED
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370 SIZE NUMBER #IMPLIED
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371 MULTIPLE (MULTIPLE) #IMPLIED
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372 >
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373
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374 <!ELEMENT OPTION - O (#PCDATA)>
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375 <!ATTLIST OPTION
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376 SELECTED (SELECTED) #IMPLIED
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377 VALUE CDATA #IMPLIED
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378 >
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379
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380 <!ELEMENT TEXTAREA - - (#PCDATA)>
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381 <!ATTLIST TEXTAREA
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382 NAME CDATA #REQUIRED
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383 ROWS NUMBER #REQUIRED
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384 COLS NUMBER #REQUIRED
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385 >
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386
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387 ]]>
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388
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389
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390 <!--================ Document Head ========================================-->
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391
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392 <!ENTITY % head.link "& LINK*">
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393
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394 <![ %HTML.Recommended [
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395 <!ENTITY % head.nextid "">
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396 ]]>
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397 <!ENTITY % head.nextid "& NEXTID?">
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398
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399 <!ENTITY % head.content "TITLE & ISINDEX? & BASE? & META*
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400 %head.nextid
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401 %head.link">
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402
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403 <!ELEMENT HEAD O O (%head.content)>
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404
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405 <!ELEMENT LINK - O EMPTY>
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406 <!ATTLIST LINK
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407 HREF %URI #REQUIRED
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408 %linkExtraAttributes; >
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409
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410 <!ELEMENT ISINDEX - O EMPTY>
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411 <!ATTLIST ISINDEX
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412 PROMPT CDATA "This is a searchable index. Enter search keywords:">
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413
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414 <!ELEMENT BASE - O EMPTY>
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415 <!ATTLIST BASE
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416 HREF %URI; #REQUIRED
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417 >
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418
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419 <!ELEMENT NEXTID - O EMPTY>
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420 <!ATTLIST NEXTID N %linkName #REQUIRED>
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421
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422 <!ELEMENT META - O EMPTY -- Generic Metainformation -->
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423 <!ATTLIST META
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424 HTTP-EQUIV NAME #IMPLIED -- HTTP response header name --
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425 NAME NAME #IMPLIED -- metainformation name --
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426 CONTENT CDATA #REQUIRED -- associated information --
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427 >
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428
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429 <!--================ Tables ===================================-->
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430
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431
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432 <!ENTITY % block.align
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433 "align (bleedleft|left|center|right|bleedright|justify) center">
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434
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435 <!ELEMENT CAPTION - - (%text;)+ -- table or figure caption -->
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436 <!ATTLIST CAPTION
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437 %attrs;
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438 align (top|bottom|left|right) #IMPLIED
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439 >
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440
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441 <!ELEMENT TABLE - - (CAPTION?, TR*) -- mixed headers and data -->
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442 <!ATTLIST TABLE
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443 %attrs;
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444 %needs; -- for control of text flow --
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445 border NUMBER #IMPLIED -- draw borders --
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446 colspec CDATA #IMPLIED -- column widths and alignment --
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447 units (em|pixels|relative) em -- units for column widths --
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448 width CDATA #IMPLIED -- absolute or percentage width --
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449 %block.align; -- horizontal alignment --
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450 nowrap (nowrap) #IMPLIED -- don't wrap words --
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451 cellspacing NUMBER 2 -- insert space between cells --
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452 cellpadding NUMBER 1 -- pad between cell border and content --
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453 >
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454
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455 <!ENTITY % cell "TH | TD">
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456 <!ENTITY % vertical.align "top|middle|bottom|baseline">
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457
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458 <!ELEMENT TR - O (%cell)* -- row container -->
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459 <!ATTLIST TR
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460 %attrs;
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461 align (left|center|right|justify) #IMPLIED
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462 valign (%vertical.align) top -- vertical alignment --
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463 nowrap (nowrap) #IMPLIED -- don't wrap words --
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464 >
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465
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466 <!ELEMENT (%cell) - O %body.content>
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467 <!ATTLIST (%cell)
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468 %attrs;
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469 colspan NUMBER 1 -- columns spanned --
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470 rowspan NUMBER 1 -- rows spanned --
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471 align (left|center|right|justify) #IMPLIED
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472 valign (%vertical.align) top -- vertical alignment --
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473 nowrap (nowrap) #IMPLIED -- don't wrap words --
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474 width CDATA #IMPLIED -- allow width for cells --
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475 axis CDATA #IMPLIED -- axis name, defaults to element content --
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476 axes CDATA #IMPLIED -- comma separated list of axis names --
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477 >
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478
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479
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480 <!--================ Document Structure ===================================-->
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481
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482 <![ %HTML.Deprecated [
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483 <!ENTITY % html.content "HEAD, BODY, PLAINTEXT?">
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484 ]]>
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485 <!ENTITY % html.content "HEAD, BODY">
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486
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487 <!ELEMENT HTML O O (%html.content)>
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488 <!ENTITY % version.attr "VERSION CDATA #FIXED "%HTML.Version;"">
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489
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490 <!ATTLIST HTML
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491 %version.attr;-- report DTD version to application --
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492 >
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493
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494
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