1 <?xml version="1.0" encoding="UTF-8"?>
2 <xs:schema version="1.0" xml:lang="en"
3 xmlns:xs="http://www.w3.org/2001/XMLSchema"
4 targetNamespace="http://www.w3.org/1999/xhtml"
5 xmlns="http://www.w3.org/1999/xhtml"
6 xmlns:xml="http://www.w3.org/XML/1998/namespace"
7 elementFormDefault="qualified">
11 XHTML 1.0 (Second Edition) Strict in XML Schema
13 This is the same as HTML 4 Strict except for
14 changes due to the differences between XML and SGML.
16 Namespace = http://www.w3.org/1999/xhtml
18 For further information, see: http://www.w3.org/TR/xhtml1
20 Copyright (c) 1998-2002 W3C (MIT, INRIA, Keio),
23 The DTD version is identified by the PUBLIC and SYSTEM identifiers:
25 PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
26 SYSTEM "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"
28 $Id: xhtml1-strict.xsd,v 1.2 2002/08/28 08:05:44 mimasa Exp $
32 <xs:import namespace="http://www.w3.org/XML/1998/namespace"
33 schemaLocation="http://www.w3.org/2001/xml.xsd"/>
37 ================ Character mnemonic entities =========================
39 XHTML entity sets are identified by the PUBLIC and SYSTEM identifiers:
41 PUBLIC "-//W3C//ENTITIES Latin 1 for XHTML//EN"
42 SYSTEM "http://www.w3.org/TR/xhtml1/DTD/xhtml-lat1.ent"
44 PUBLIC "-//W3C//ENTITIES Special for XHTML//EN"
45 SYSTEM "http://www.w3.org/TR/xhtml1/DTD/xhtml-special.ent"
47 PUBLIC "-//W3C//ENTITIES Symbols for XHTML//EN"
48 SYSTEM "http://www.w3.org/TR/xhtml1/DTD/xhtml-symbol.ent"
54 ================== Imported Names ====================================
58 <xs:simpleType name="ContentType">
61 media type, as per [RFC2045]
64 <xs:restriction base="xs:string"/>
67 <xs:simpleType name="ContentTypes">
70 comma-separated list of media types, as per [RFC2045]
73 <xs:restriction base="xs:string"/>
76 <xs:simpleType name="Charset">
79 a character encoding, as per [RFC2045]
82 <xs:restriction base="xs:string"/>
85 <xs:simpleType name="Charsets">
88 a space separated list of character encodings, as per [RFC2045]
91 <xs:restriction base="xs:string"/>
94 <xs:simpleType name="LanguageCode">
97 a language code, as per [RFC3066]
100 <xs:restriction base="xs:language"/>
103 <xs:simpleType name="Character">
106 a single character, as per section 2.2 of [XML]
109 <xs:restriction base="xs:string">
110 <xs:length value="1" fixed="true"/>
114 <xs:simpleType name="Number">
120 <xs:restriction base="xs:nonNegativeInteger">
121 <xs:pattern value="[0-9]+"/>
125 <xs:simpleType name="tabindexNumber">
128 tabindex attribute specifies the position of the current element
129 in the tabbing order for the current document. This value must be
130 a number between 0 and 32767. User agents should ignore leading zeros.
133 <xs:restriction base="Number">
134 <xs:minInclusive value="0"/>
135 <xs:maxInclusive value="32767"/>
139 <xs:simpleType name="LinkTypes">
142 space-separated list of link types
145 <xs:restriction base="xs:NMTOKENS"/>
148 <xs:simpleType name="MediaDesc">
151 single or comma-separated list of media descriptors
154 <xs:restriction base="xs:string">
155 <xs:pattern value="[^,]+(,\s*[^,]+)*"/>
159 <xs:simpleType name="URI">
162 a Uniform Resource Identifier, see [RFC2396]
165 <xs:restriction base="xs:anyURI"/>
168 <xs:simpleType name="UriList">
171 a space separated list of Uniform Resource Identifiers
174 <xs:restriction base="xs:string"/>
177 <xs:simpleType name="Datetime">
180 date and time information. ISO date format
183 <xs:restriction base="xs:dateTime"/>
186 <xs:simpleType name="Script">
192 <xs:restriction base="xs:string"/>
195 <xs:simpleType name="StyleSheet">
201 <xs:restriction base="xs:string"/>
204 <xs:simpleType name="Text">
210 <xs:restriction base="xs:string"/>
213 <xs:simpleType name="Length">
216 nn for pixels or nn% for percentage length
219 <xs:restriction base="xs:string">
220 <xs:pattern value="[-+]?(\d+|\d+(\.\d+)?%)"/>
224 <xs:simpleType name="MultiLength">
227 pixel, percentage, or relative
230 <xs:restriction base="xs:string">
231 <xs:pattern value="[-+]?(\d+|\d+(\.\d+)?%)|[1-9]?(\d+)?\*"/>
235 <xs:simpleType name="Pixels">
238 integer representing length in pixels
241 <xs:restriction base="xs:nonNegativeInteger"/>
246 these are used for image maps
250 <xs:simpleType name="Shape">
251 <xs:restriction base="xs:token">
252 <xs:enumeration value="rect"/>
253 <xs:enumeration value="circle"/>
254 <xs:enumeration value="poly"/>
255 <xs:enumeration value="default"/>
259 <xs:simpleType name="Coords">
262 comma separated list of lengths
265 <xs:restriction base="xs:string">
267 value="[-+]?(\d+|\d+(\.\d+)?%)(,\s*[-+]?(\d+|\d+(\.\d+)?%))*"/>
273 =================== Generic Attributes ===============================
277 <xs:attributeGroup name="coreattrs">
280 core attributes common to most elements
281 id document-wide unique id
282 class space separated list of classes
283 style associated style info
284 title advisory title/amplification
287 <xs:attribute name="id" type="xs:ID"/>
288 <xs:attribute name="class" type="xs:NMTOKENS"/>
289 <xs:attribute name="style" type="StyleSheet"/>
290 <xs:attribute name="title" type="Text"/>
293 <xs:attributeGroup name="i18n">
296 internationalization attributes
297 lang language code (backwards compatible)
298 xml:lang language code (as per XML 1.0 spec)
299 dir direction for weak/neutral text
302 <xs:attribute name="lang" type="LanguageCode"/>
303 <xs:attribute ref="xml:lang"/>
304 <xs:attribute name="dir">
306 <xs:restriction base="xs:token">
307 <xs:enumeration value="ltr"/>
308 <xs:enumeration value="rtl"/>
314 <xs:attributeGroup name="events">
317 attributes for common UI events
318 onclick a pointer button was clicked
319 ondblclick a pointer button was double clicked
320 onmousedown a pointer button was pressed down
321 onmouseup a pointer button was released
322 onmousemove a pointer was moved onto the element
323 onmouseout a pointer was moved away from the element
324 onkeypress a key was pressed and released
325 onkeydown a key was pressed down
326 onkeyup a key was released
329 <xs:attribute name="onclick" type="Script"/>
330 <xs:attribute name="ondblclick" type="Script"/>
331 <xs:attribute name="onmousedown" type="Script"/>
332 <xs:attribute name="onmouseup" type="Script"/>
333 <xs:attribute name="onmouseover" type="Script"/>
334 <xs:attribute name="onmousemove" type="Script"/>
335 <xs:attribute name="onmouseout" type="Script"/>
336 <xs:attribute name="onkeypress" type="Script"/>
337 <xs:attribute name="onkeydown" type="Script"/>
338 <xs:attribute name="onkeyup" type="Script"/>
341 <xs:attributeGroup name="focus">
344 attributes for elements that can get the focus
345 accesskey accessibility key character
346 tabindex position in tabbing order
347 onfocus the element got the focus
348 onblur the element lost the focus
351 <xs:attribute name="accesskey" type="Character"/>
352 <xs:attribute name="tabindex" type="tabindexNumber"/>
353 <xs:attribute name="onfocus" type="Script"/>
354 <xs:attribute name="onblur" type="Script"/>
357 <xs:attributeGroup name="attrs">
358 <xs:attributeGroup ref="coreattrs"/>
359 <xs:attributeGroup ref="i18n"/>
360 <xs:attributeGroup ref="events"/>
365 =================== Text Elements ====================================
369 <xs:group name="special.pre">
371 <xs:element ref="br"/>
372 <xs:element ref="span"/>
373 <xs:element ref="bdo"/>
374 <xs:element ref="map"/>
378 <xs:group name="special">
380 <xs:group ref="special.pre"/>
381 <xs:element ref="object"/>
382 <xs:element ref="img"/>
386 <xs:group name="fontstyle">
388 <xs:element ref="tt"/>
389 <xs:element ref="i"/>
390 <xs:element ref="b"/>
391 <xs:element ref="big"/>
392 <xs:element ref="small"/>
396 <xs:group name="phrase">
398 <xs:element ref="em"/>
399 <xs:element ref="strong"/>
400 <xs:element ref="dfn"/>
401 <xs:element ref="code"/>
402 <xs:element ref="q"/>
403 <xs:element ref="samp"/>
404 <xs:element ref="kbd"/>
405 <xs:element ref="var"/>
406 <xs:element ref="cite"/>
407 <xs:element ref="abbr"/>
408 <xs:element ref="acronym"/>
409 <xs:element ref="sub"/>
410 <xs:element ref="sup"/>
414 <xs:group name="inline.forms">
416 <xs:element ref="input"/>
417 <xs:element ref="select"/>
418 <xs:element ref="textarea"/>
419 <xs:element ref="label"/>
420 <xs:element ref="button"/>
424 <xs:group name="misc.inline">
426 <xs:element ref="ins"/>
427 <xs:element ref="del"/>
428 <xs:element ref="script"/>
432 <xs:group name="misc">
435 these can only occur at block level
439 <xs:element ref="noscript"/>
440 <xs:group ref="misc.inline"/>
444 <xs:group name="inline">
446 <xs:element ref="a"/>
447 <xs:group ref="special"/>
448 <xs:group ref="fontstyle"/>
449 <xs:group ref="phrase"/>
450 <xs:group ref="inline.forms"/>
454 <xs:complexType name="Inline" mixed="true">
457 "Inline" covers inline or "text-level" elements
460 <xs:choice minOccurs="0" maxOccurs="unbounded">
461 <xs:group ref="inline"/>
462 <xs:group ref="misc.inline"/>
468 ================== Block level elements ==============================
472 <xs:group name="heading">
474 <xs:element ref="h1"/>
475 <xs:element ref="h2"/>
476 <xs:element ref="h3"/>
477 <xs:element ref="h4"/>
478 <xs:element ref="h5"/>
479 <xs:element ref="h6"/>
483 <xs:group name="lists">
485 <xs:element ref="ul"/>
486 <xs:element ref="ol"/>
487 <xs:element ref="dl"/>
491 <xs:group name="blocktext">
493 <xs:element ref="pre"/>
494 <xs:element ref="hr"/>
495 <xs:element ref="blockquote"/>
496 <xs:element ref="address"/>
500 <xs:group name="block">
502 <xs:element ref="p"/>
503 <xs:group ref="heading"/>
504 <xs:element ref="div"/>
505 <xs:group ref="lists"/>
506 <xs:group ref="blocktext"/>
507 <xs:element ref="fieldset"/>
508 <xs:element ref="table"/>
512 <xs:complexType name="Block">
513 <xs:choice minOccurs="0" maxOccurs="unbounded">
514 <xs:group ref="block"/>
515 <xs:element ref="form"/>
516 <xs:group ref="misc"/>
520 <xs:complexType name="Flow" mixed="true">
523 "Flow" mixes block and inline and is used for list items etc.
526 <xs:choice minOccurs="0" maxOccurs="unbounded">
527 <xs:group ref="block"/>
528 <xs:element ref="form"/>
529 <xs:group ref="inline"/>
530 <xs:group ref="misc"/>
536 ================== Content models for exclusions =====================
540 <xs:complexType name="a.content" mixed="true">
543 a elements use "Inline" excluding a
546 <xs:choice minOccurs="0" maxOccurs="unbounded">
547 <xs:group ref="special"/>
548 <xs:group ref="fontstyle"/>
549 <xs:group ref="phrase"/>
550 <xs:group ref="inline.forms"/>
551 <xs:group ref="misc.inline"/>
555 <xs:complexType name="pre.content" mixed="true">
558 pre uses "Inline" excluding big, small, sup or sup
561 <xs:choice minOccurs="0" maxOccurs="unbounded">
562 <xs:element ref="a"/>
563 <xs:group ref="fontstyle"/>
564 <xs:group ref="phrase"/>
565 <xs:group ref="special.pre"/>
566 <xs:group ref="misc.inline"/>
567 <xs:group ref="inline.forms"/>
571 <xs:complexType name="form.content">
574 form uses "Block" excluding form
577 <xs:choice minOccurs="0" maxOccurs="unbounded">
578 <xs:group ref="block"/>
579 <xs:group ref="misc"/>
583 <xs:complexType name="button.content" mixed="true">
586 button uses "Flow" but excludes a, form and form controls
589 <xs:choice minOccurs="0" maxOccurs="unbounded">
590 <xs:element ref="p"/>
591 <xs:group ref="heading"/>
592 <xs:element ref="div"/>
593 <xs:group ref="lists"/>
594 <xs:group ref="blocktext"/>
595 <xs:element ref="table"/>
596 <xs:group ref="special"/>
597 <xs:group ref="fontstyle"/>
598 <xs:group ref="phrase"/>
599 <xs:group ref="misc"/>
605 ================ Document Structure ==================================
609 <xs:element name="html">
612 <xs:element ref="head"/>
613 <xs:element ref="body"/>
615 <xs:attributeGroup ref="i18n"/>
616 <xs:attribute name="id" type="xs:ID"/>
622 ================ Document Head =======================================
626 <xs:group name="head.misc">
628 <xs:choice minOccurs="0" maxOccurs="unbounded">
629 <xs:element ref="script"/>
630 <xs:element ref="style"/>
631 <xs:element ref="meta"/>
632 <xs:element ref="link"/>
633 <xs:element ref="object"/>
638 <xs:element name="head">
641 content model is "head.misc" combined with a single
642 title and an optional base element in any order
647 <xs:group ref="head.misc"/>
650 <xs:element ref="title"/>
651 <xs:group ref="head.misc"/>
652 <xs:sequence minOccurs="0">
653 <xs:element ref="base"/>
654 <xs:group ref="head.misc"/>
658 <xs:element ref="base"/>
659 <xs:group ref="head.misc"/>
660 <xs:element ref="title"/>
661 <xs:group ref="head.misc"/>
665 <xs:attributeGroup ref="i18n"/>
666 <xs:attribute name="id" type="xs:ID"/>
667 <xs:attribute name="profile" type="URI"/>
671 <xs:element name="title">
674 The title element is not considered part of the flow of text.
675 It should be displayed, for example as the page header or
676 window title. Exactly one title is required per document.
679 <xs:complexType mixed="true">
680 <xs:attributeGroup ref="i18n"/>
681 <xs:attribute name="id" type="xs:ID"/>
685 <xs:element name="base">
692 <xs:attribute name="href" use="required" type="URI"/>
693 <xs:attribute name="id" type="xs:ID"/>
697 <xs:element name="meta">
700 generic metainformation
704 <xs:attributeGroup ref="i18n"/>
705 <xs:attribute name="id" type="xs:ID"/>
706 <xs:attribute name="http-equiv"/>
707 <xs:attribute name="name"/>
708 <xs:attribute name="content" use="required"/>
709 <xs:attribute name="scheme"/>
713 <xs:element name="link">
716 Relationship values can be used in principle:
718 a) for document specific toolbars/menus when used
719 with the link element in document head e.g.
720 start, contents, previous, next, index, end, help
721 b) to link to a separate style sheet (rel="stylesheet")
722 c) to make a link to a script (rel="script")
723 d) by stylesheets to control how collections of
724 html nodes are rendered into printed documents
725 e) to make a link to a printable version of this document
726 e.g. a PostScript or PDF version (rel="alternate" media="print")
730 <xs:attributeGroup ref="attrs"/>
731 <xs:attribute name="charset" type="Charset"/>
732 <xs:attribute name="href" type="URI"/>
733 <xs:attribute name="hreflang" type="LanguageCode"/>
734 <xs:attribute name="type" type="ContentType"/>
735 <xs:attribute name="rel" type="LinkTypes"/>
736 <xs:attribute name="rev" type="LinkTypes"/>
737 <xs:attribute name="media" type="MediaDesc"/>
741 <xs:element name="style">
744 style info, which may include CDATA sections
747 <xs:complexType mixed="true">
748 <xs:attributeGroup ref="i18n"/>
749 <xs:attribute name="id" type="xs:ID"/>
750 <xs:attribute name="type" use="required" type="ContentType"/>
751 <xs:attribute name="media" type="MediaDesc"/>
752 <xs:attribute name="title" type="Text"/>
753 <xs:attribute ref="xml:space" fixed="preserve"/>
757 <xs:element name="script">
760 script statements, which may include CDATA sections
763 <xs:complexType mixed="true">
764 <xs:attribute name="id" type="xs:ID"/>
765 <xs:attribute name="charset" type="Charset"/>
766 <xs:attribute name="type" use="required" type="ContentType"/>
767 <xs:attribute name="src" type="URI"/>
768 <xs:attribute name="defer">
770 <xs:restriction base="xs:token">
771 <xs:enumeration value="defer"/>
775 <xs:attribute ref="xml:space" fixed="preserve"/>
779 <xs:element name="noscript">
782 alternate content container for non script-based rendering
787 <xs:extension base="Block">
788 <xs:attributeGroup ref="attrs"/>
796 =================== Document Body ====================================
800 <xs:element name="body">
803 <xs:extension base="Block">
804 <xs:attributeGroup ref="attrs"/>
805 <xs:attribute name="onload" type="Script"/>
806 <xs:attribute name="onunload" type="Script"/>
812 <xs:element name="div">
815 generic language/style container
818 <xs:complexType mixed="true">
820 <xs:extension base="Flow">
821 <xs:attributeGroup ref="attrs"/>
829 =================== Paragraphs =======================================
833 <xs:element name="p">
834 <xs:complexType mixed="true">
836 <xs:extension base="Inline">
837 <xs:attributeGroup ref="attrs"/>
845 =================== Headings =========================================
847 There are six levels of headings from h1 (the most important)
848 to h6 (the least important).
852 <xs:element name="h1">
853 <xs:complexType mixed="true">
855 <xs:extension base="Inline">
856 <xs:attributeGroup ref="attrs"/>
862 <xs:element name="h2">
863 <xs:complexType mixed="true">
865 <xs:extension base="Inline">
866 <xs:attributeGroup ref="attrs"/>
872 <xs:element name="h3">
873 <xs:complexType mixed="true">
875 <xs:extension base="Inline">
876 <xs:attributeGroup ref="attrs"/>
882 <xs:element name="h4">
883 <xs:complexType mixed="true">
885 <xs:extension base="Inline">
886 <xs:attributeGroup ref="attrs"/>
892 <xs:element name="h5">
893 <xs:complexType mixed="true">
895 <xs:extension base="Inline">
896 <xs:attributeGroup ref="attrs"/>
902 <xs:element name="h6">
903 <xs:complexType mixed="true">
905 <xs:extension base="Inline">
906 <xs:attributeGroup ref="attrs"/>
914 =================== Lists ============================================
918 <xs:element name="ul">
926 <xs:element maxOccurs="unbounded" ref="li"/>
928 <xs:attributeGroup ref="attrs"/>
932 <xs:element name="ol">
935 Ordered (numbered) list
940 <xs:element maxOccurs="unbounded" ref="li"/>
942 <xs:attributeGroup ref="attrs"/>
946 <xs:element name="li">
952 <xs:complexType mixed="true">
954 <xs:extension base="Flow">
955 <xs:attributeGroup ref="attrs"/>
963 definition lists - dt for term, dd for its definition
967 <xs:element name="dl">
969 <xs:choice maxOccurs="unbounded">
970 <xs:element ref="dt"/>
971 <xs:element ref="dd"/>
973 <xs:attributeGroup ref="attrs"/>
977 <xs:element name="dt">
978 <xs:complexType mixed="true">
980 <xs:extension base="Inline">
981 <xs:attributeGroup ref="attrs"/>
987 <xs:element name="dd">
988 <xs:complexType mixed="true">
990 <xs:extension base="Flow">
991 <xs:attributeGroup ref="attrs"/>
999 =================== Address ==========================================
1003 <xs:element name="address">
1006 information on author
1009 <xs:complexType mixed="true">
1011 <xs:extension base="Inline">
1012 <xs:attributeGroup ref="attrs"/>
1014 </xs:complexContent>
1020 =================== Horizontal Rule ==================================
1024 <xs:element name="hr">
1026 <xs:attributeGroup ref="attrs"/>
1032 =================== Preformatted Text ================================
1036 <xs:element name="pre">
1039 content is "Inline" excluding "img|object|big|small|sub|sup"
1042 <xs:complexType mixed="true">
1044 <xs:extension base="pre.content">
1045 <xs:attributeGroup ref="attrs"/>
1046 <xs:attribute ref="xml:space" fixed="preserve"/>
1048 </xs:complexContent>
1054 =================== Block-like Quotes ================================
1058 <xs:element name="blockquote">
1061 <xs:extension base="Block">
1062 <xs:attributeGroup ref="attrs"/>
1063 <xs:attribute name="cite" type="URI"/>
1065 </xs:complexContent>
1071 =================== Inserted/Deleted Text ============================
1073 ins/del are allowed in block and inline content, but its
1074 inappropriate to include block content within an ins element
1075 occurring in inline content.
1079 <xs:element name="ins">
1080 <xs:complexType mixed="true">
1082 <xs:extension base="Flow">
1083 <xs:attributeGroup ref="attrs"/>
1084 <xs:attribute name="cite" type="URI"/>
1085 <xs:attribute name="datetime" type="Datetime"/>
1087 </xs:complexContent>
1091 <xs:element name="del">
1092 <xs:complexType mixed="true">
1094 <xs:extension base="Flow">
1095 <xs:attributeGroup ref="attrs"/>
1096 <xs:attribute name="cite" type="URI"/>
1097 <xs:attribute name="datetime" type="Datetime"/>
1099 </xs:complexContent>
1105 ================== The Anchor Element ================================
1109 <xs:element name="a">
1112 content is "Inline" except that anchors shouldn't be nested
1115 <xs:complexType mixed="true">
1117 <xs:extension base="a.content">
1118 <xs:attributeGroup ref="attrs"/>
1119 <xs:attributeGroup ref="focus"/>
1120 <xs:attribute name="charset" type="Charset"/>
1121 <xs:attribute name="type" type="ContentType"/>
1122 <xs:attribute name="name" type="xs:NMTOKEN"/>
1123 <xs:attribute name="href" type="URI"/>
1124 <xs:attribute name="hreflang" type="LanguageCode"/>
1125 <xs:attribute name="rel" type="LinkTypes"/>
1126 <xs:attribute name="rev" type="LinkTypes"/>
1127 <xs:attribute name="shape" default="rect" type="Shape"/>
1128 <xs:attribute name="coords" type="Coords"/>
1130 </xs:complexContent>
1136 ===================== Inline Elements ================================
1140 <xs:element name="span">
1143 generic language/style container
1146 <xs:complexType mixed="true">
1148 <xs:extension base="Inline">
1149 <xs:attributeGroup ref="attrs"/>
1151 </xs:complexContent>
1155 <xs:element name="bdo">
1161 <xs:complexType mixed="true">
1163 <xs:extension base="Inline">
1164 <xs:attributeGroup ref="coreattrs"/>
1165 <xs:attributeGroup ref="events"/>
1166 <xs:attribute name="lang" type="LanguageCode"/>
1167 <xs:attribute ref="xml:lang"/>
1168 <xs:attribute name="dir" use="required">
1170 <xs:restriction base="xs:token">
1171 <xs:enumeration value="ltr"/>
1172 <xs:enumeration value="rtl"/>
1177 </xs:complexContent>
1181 <xs:element name="br">
1188 <xs:attributeGroup ref="coreattrs"/>
1192 <xs:element name="em">
1198 <xs:complexType mixed="true">
1200 <xs:extension base="Inline">
1201 <xs:attributeGroup ref="attrs"/>
1203 </xs:complexContent>
1207 <xs:element name="strong">
1213 <xs:complexType mixed="true">
1215 <xs:extension base="Inline">
1216 <xs:attributeGroup ref="attrs"/>
1218 </xs:complexContent>
1222 <xs:element name="dfn">
1228 <xs:complexType mixed="true">
1230 <xs:extension base="Inline">
1231 <xs:attributeGroup ref="attrs"/>
1233 </xs:complexContent>
1237 <xs:element name="code">
1243 <xs:complexType mixed="true">
1245 <xs:extension base="Inline">
1246 <xs:attributeGroup ref="attrs"/>
1248 </xs:complexContent>
1252 <xs:element name="samp">
1258 <xs:complexType mixed="true">
1260 <xs:extension base="Inline">
1261 <xs:attributeGroup ref="attrs"/>
1263 </xs:complexContent>
1267 <xs:element name="kbd">
1270 something user would type
1273 <xs:complexType mixed="true">
1275 <xs:extension base="Inline">
1276 <xs:attributeGroup ref="attrs"/>
1278 </xs:complexContent>
1282 <xs:element name="var">
1288 <xs:complexType mixed="true">
1290 <xs:extension base="Inline">
1291 <xs:attributeGroup ref="attrs"/>
1293 </xs:complexContent>
1297 <xs:element name="cite">
1303 <xs:complexType mixed="true">
1305 <xs:extension base="Inline">
1306 <xs:attributeGroup ref="attrs"/>
1308 </xs:complexContent>
1312 <xs:element name="abbr">
1318 <xs:complexType mixed="true">
1320 <xs:extension base="Inline">
1321 <xs:attributeGroup ref="attrs"/>
1323 </xs:complexContent>
1327 <xs:element name="acronym">
1333 <xs:complexType mixed="true">
1335 <xs:extension base="Inline">
1336 <xs:attributeGroup ref="attrs"/>
1338 </xs:complexContent>
1342 <xs:element name="q">
1348 <xs:complexType mixed="true">
1350 <xs:extension base="Inline">
1351 <xs:attributeGroup ref="attrs"/>
1352 <xs:attribute name="cite" type="URI"/>
1354 </xs:complexContent>
1358 <xs:element name="sub">
1364 <xs:complexType mixed="true">
1366 <xs:extension base="Inline">
1367 <xs:attributeGroup ref="attrs"/>
1369 </xs:complexContent>
1373 <xs:element name="sup">
1379 <xs:complexType mixed="true">
1381 <xs:extension base="Inline">
1382 <xs:attributeGroup ref="attrs"/>
1384 </xs:complexContent>
1388 <xs:element name="tt">
1394 <xs:complexType mixed="true">
1396 <xs:extension base="Inline">
1397 <xs:attributeGroup ref="attrs"/>
1399 </xs:complexContent>
1403 <xs:element name="i">
1409 <xs:complexType mixed="true">
1411 <xs:extension base="Inline">
1412 <xs:attributeGroup ref="attrs"/>
1414 </xs:complexContent>
1418 <xs:element name="b">
1424 <xs:complexType mixed="true">
1426 <xs:extension base="Inline">
1427 <xs:attributeGroup ref="attrs"/>
1429 </xs:complexContent>
1433 <xs:element name="big">
1439 <xs:complexType mixed="true">
1441 <xs:extension base="Inline">
1442 <xs:attributeGroup ref="attrs"/>
1444 </xs:complexContent>
1448 <xs:element name="small">
1454 <xs:complexType mixed="true">
1456 <xs:extension base="Inline">
1457 <xs:attributeGroup ref="attrs"/>
1459 </xs:complexContent>
1465 ==================== Object ======================================
1467 object is used to embed objects as part of HTML pages.
1468 param elements should precede other content. Parameters
1469 can also be expressed as attribute/value pairs on the
1470 object element itself when brevity is desired.
1474 <xs:element name="object">
1475 <xs:complexType mixed="true">
1476 <xs:choice minOccurs="0" maxOccurs="unbounded">
1477 <xs:element ref="param"/>
1478 <xs:group ref="block"/>
1479 <xs:element ref="form"/>
1480 <xs:group ref="inline"/>
1481 <xs:group ref="misc"/>
1483 <xs:attributeGroup ref="attrs"/>
1484 <xs:attribute name="declare">
1486 <xs:restriction base="xs:token">
1487 <xs:enumeration value="declare"/>
1491 <xs:attribute name="classid" type="URI"/>
1492 <xs:attribute name="codebase" type="URI"/>
1493 <xs:attribute name="data" type="URI"/>
1494 <xs:attribute name="type" type="ContentType"/>
1495 <xs:attribute name="codetype" type="ContentType"/>
1496 <xs:attribute name="archive" type="UriList"/>
1497 <xs:attribute name="standby" type="Text"/>
1498 <xs:attribute name="height" type="Length"/>
1499 <xs:attribute name="width" type="Length"/>
1500 <xs:attribute name="usemap" type="URI"/>
1501 <xs:attribute name="name" type="xs:NMTOKEN"/>
1502 <xs:attribute name="tabindex" type="tabindexNumber"/>
1506 <xs:element name="param">
1509 param is used to supply a named property value.
1510 In XML it would seem natural to follow RDF and support an
1511 abbreviated syntax where the param elements are replaced
1512 by attribute value pairs on the object start tag.
1516 <xs:attribute name="id" type="xs:ID"/>
1517 <xs:attribute name="name"/>
1518 <xs:attribute name="value"/>
1519 <xs:attribute name="valuetype" default="data">
1521 <xs:restriction base="xs:token">
1522 <xs:enumeration value="data"/>
1523 <xs:enumeration value="ref"/>
1524 <xs:enumeration value="object"/>
1528 <xs:attribute name="type" type="ContentType"/>
1534 =================== Images ===========================================
1536 To avoid accessibility problems for people who aren't
1537 able to see the image, you should provide a text
1538 description using the alt and longdesc attributes.
1539 In addition, avoid the use of server-side image maps.
1540 Note that in this DTD there is no name attribute. That
1541 is only available in the transitional and frameset DTD.
1545 <xs:element name="img">
1547 <xs:attributeGroup ref="attrs"/>
1548 <xs:attribute name="src" use="required" type="URI"/>
1549 <xs:attribute name="alt" use="required" type="Text"/>
1550 <xs:attribute name="longdesc" type="URI"/>
1551 <xs:attribute name="height" type="Length"/>
1552 <xs:attribute name="width" type="Length"/>
1553 <xs:attribute name="usemap" type="URI">
1556 usemap points to a map element which may be in this document
1557 or an external document, although the latter is not widely supported
1561 <xs:attribute name="ismap">
1563 <xs:restriction base="xs:token">
1564 <xs:enumeration value="ismap"/>
1573 ================== Client-side image maps ============================
1575 These can be placed in the same document or grouped in a
1576 separate document although this isn't yet widely supported
1580 <xs:element name="map">
1583 <xs:choice maxOccurs="unbounded">
1584 <xs:group ref="block"/>
1585 <xs:element ref="form"/>
1586 <xs:group ref="misc"/>
1588 <xs:element maxOccurs="unbounded" ref="area"/>
1590 <xs:attributeGroup ref="i18n"/>
1591 <xs:attributeGroup ref="events"/>
1592 <xs:attribute name="id" use="required" type="xs:ID"/>
1593 <xs:attribute name="class"/>
1594 <xs:attribute name="style" type="StyleSheet"/>
1595 <xs:attribute name="title" type="Text"/>
1596 <xs:attribute name="name" type="xs:NMTOKEN"/>
1600 <xs:element name="area">
1602 <xs:attributeGroup ref="attrs"/>
1603 <xs:attributeGroup ref="focus"/>
1604 <xs:attribute name="shape" default="rect" type="Shape"/>
1605 <xs:attribute name="coords" type="Coords"/>
1606 <xs:attribute name="href" type="URI"/>
1607 <xs:attribute name="nohref">
1609 <xs:restriction base="xs:token">
1610 <xs:enumeration value="nohref"/>
1614 <xs:attribute name="alt" use="required" type="Text"/>
1620 ================ Forms ===============================================
1624 <xs:element name="form">
1627 <xs:extension base="form.content">
1628 <xs:attributeGroup ref="attrs"/>
1629 <xs:attribute name="action" use="required" type="URI"/>
1630 <xs:attribute name="method" default="get">
1632 <xs:restriction base="xs:token">
1633 <xs:enumeration value="get"/>
1634 <xs:enumeration value="post"/>
1638 <xs:attribute name="enctype" type="ContentType"
1639 default="application/x-www-form-urlencoded"/>
1640 <xs:attribute name="onsubmit" type="Script"/>
1641 <xs:attribute name="onreset" type="Script"/>
1642 <xs:attribute name="accept" type="ContentTypes"/>
1643 <xs:attribute name="accept-charset" type="Charsets"/>
1645 </xs:complexContent>
1649 <xs:element name="label">
1652 Each label must not contain more than ONE field
1653 Label elements shouldn't be nested.
1656 <xs:complexType mixed="true">
1658 <xs:extension base="Inline">
1659 <xs:attributeGroup ref="attrs"/>
1660 <xs:attribute name="for" type="xs:IDREF"/>
1661 <xs:attribute name="accesskey" type="Character"/>
1662 <xs:attribute name="onfocus" type="Script"/>
1663 <xs:attribute name="onblur" type="Script"/>
1665 </xs:complexContent>
1669 <xs:simpleType name="InputType">
1670 <xs:restriction base="xs:token">
1671 <xs:enumeration value="text"/>
1672 <xs:enumeration value="password"/>
1673 <xs:enumeration value="checkbox"/>
1674 <xs:enumeration value="radio"/>
1675 <xs:enumeration value="submit"/>
1676 <xs:enumeration value="reset"/>
1677 <xs:enumeration value="file"/>
1678 <xs:enumeration value="hidden"/>
1679 <xs:enumeration value="image"/>
1680 <xs:enumeration value="button"/>
1684 <xs:element name="input">
1691 <xs:attributeGroup ref="attrs"/>
1692 <xs:attributeGroup ref="focus"/>
1693 <xs:attribute name="type" default="text" type="InputType"/>
1694 <xs:attribute name="name">
1697 the name attribute is required for all but submit & reset
1701 <xs:attribute name="value"/>
1702 <xs:attribute name="checked">
1704 <xs:restriction base="xs:token">
1705 <xs:enumeration value="checked"/>
1709 <xs:attribute name="disabled">
1711 <xs:restriction base="xs:token">
1712 <xs:enumeration value="disabled"/>
1716 <xs:attribute name="readonly">
1718 <xs:restriction base="xs:token">
1719 <xs:enumeration value="readonly"/>
1723 <xs:attribute name="size"/>
1724 <xs:attribute name="maxlength" type="Number"/>
1725 <xs:attribute name="src" type="URI"/>
1726 <xs:attribute name="alt"/>
1727 <xs:attribute name="usemap" type="URI"/>
1728 <xs:attribute name="onselect" type="Script"/>
1729 <xs:attribute name="onchange" type="Script"/>
1730 <xs:attribute name="accept" type="ContentTypes"/>
1734 <xs:element name="select">
1741 <xs:choice maxOccurs="unbounded">
1742 <xs:element ref="optgroup"/>
1743 <xs:element ref="option"/>
1745 <xs:attributeGroup ref="attrs"/>
1746 <xs:attribute name="name"/>
1747 <xs:attribute name="size" type="Number"/>
1748 <xs:attribute name="multiple">
1750 <xs:restriction base="xs:token">
1751 <xs:enumeration value="multiple"/>
1755 <xs:attribute name="disabled">
1757 <xs:restriction base="xs:token">
1758 <xs:enumeration value="disabled"/>
1762 <xs:attribute name="tabindex" type="tabindexNumber"/>
1763 <xs:attribute name="onfocus" type="Script"/>
1764 <xs:attribute name="onblur" type="Script"/>
1765 <xs:attribute name="onchange" type="Script"/>
1769 <xs:element name="optgroup">
1777 <xs:element maxOccurs="unbounded" ref="option"/>
1779 <xs:attributeGroup ref="attrs"/>
1780 <xs:attribute name="disabled">
1782 <xs:restriction base="xs:token">
1783 <xs:enumeration value="disabled"/>
1787 <xs:attribute name="label" use="required" type="Text"/>
1791 <xs:element name="option">
1797 <xs:complexType mixed="true">
1798 <xs:attributeGroup ref="attrs"/>
1799 <xs:attribute name="selected">
1801 <xs:restriction base="xs:token">
1802 <xs:enumeration value="selected"/>
1806 <xs:attribute name="disabled">
1808 <xs:restriction base="xs:token">
1809 <xs:enumeration value="disabled"/>
1813 <xs:attribute name="label" type="Text"/>
1814 <xs:attribute name="value"/>
1818 <xs:element name="textarea">
1821 multi-line text field
1824 <xs:complexType mixed="true">
1825 <xs:attributeGroup ref="attrs"/>
1826 <xs:attributeGroup ref="focus"/>
1827 <xs:attribute name="name"/>
1828 <xs:attribute name="rows" use="required" type="Number"/>
1829 <xs:attribute name="cols" use="required" type="Number"/>
1830 <xs:attribute name="disabled">
1832 <xs:restriction base="xs:token">
1833 <xs:enumeration value="disabled"/>
1837 <xs:attribute name="readonly">
1839 <xs:restriction base="xs:token">
1840 <xs:enumeration value="readonly"/>
1844 <xs:attribute name="onselect" type="Script"/>
1845 <xs:attribute name="onchange" type="Script"/>
1849 <xs:element name="fieldset">
1852 The fieldset element is used to group form fields.
1853 Only one legend element should occur in the content
1854 and if present should only be preceded by whitespace.
1856 NOTE: this content model is different from the XHTML 1.0 DTD,
1857 closer to the intended content model in HTML4 DTD
1860 <xs:complexType mixed="true">
1862 <xs:element ref="legend"/>
1863 <xs:choice minOccurs="0" maxOccurs="unbounded">
1864 <xs:group ref="block"/>
1865 <xs:element ref="form"/>
1866 <xs:group ref="inline"/>
1867 <xs:group ref="misc"/>
1870 <xs:attributeGroup ref="attrs"/>
1874 <xs:element name="legend">
1880 <xs:complexType mixed="true">
1882 <xs:extension base="Inline">
1883 <xs:attributeGroup ref="attrs"/>
1884 <xs:attribute name="accesskey" type="Character"/>
1886 </xs:complexContent>
1890 <xs:element name="button">
1893 Content is "Flow" excluding a, form and form controls
1896 <xs:complexType mixed="true">
1898 <xs:extension base="button.content">
1899 <xs:attributeGroup ref="attrs"/>
1900 <xs:attributeGroup ref="focus"/>
1901 <xs:attribute name="name"/>
1902 <xs:attribute name="value"/>
1903 <xs:attribute name="type" default="submit">
1905 <xs:restriction base="xs:token">
1906 <xs:enumeration value="button"/>
1907 <xs:enumeration value="submit"/>
1908 <xs:enumeration value="reset"/>
1912 <xs:attribute name="disabled">
1914 <xs:restriction base="xs:token">
1915 <xs:enumeration value="disabled"/>
1920 </xs:complexContent>
1926 ======================= Tables =======================================
1928 Derived from IETF HTML table standard, see [RFC1942]
1932 <xs:simpleType name="TFrame">
1935 The border attribute sets the thickness of the frame around the
1936 table. The default units are screen pixels.
1938 The frame attribute specifies which parts of the frame around
1939 the table should be rendered. The values are not the same as
1940 CALS to avoid a name clash with the valign attribute.
1943 <xs:restriction base="xs:token">
1944 <xs:enumeration value="void"/>
1945 <xs:enumeration value="above"/>
1946 <xs:enumeration value="below"/>
1947 <xs:enumeration value="hsides"/>
1948 <xs:enumeration value="lhs"/>
1949 <xs:enumeration value="rhs"/>
1950 <xs:enumeration value="vsides"/>
1951 <xs:enumeration value="box"/>
1952 <xs:enumeration value="border"/>
1956 <xs:simpleType name="TRules">
1959 The rules attribute defines which rules to draw between cells:
1961 If rules is absent then assume:
1962 "none" if border is absent or border="0" otherwise "all"
1965 <xs:restriction base="xs:token">
1966 <xs:enumeration value="none"/>
1967 <xs:enumeration value="groups"/>
1968 <xs:enumeration value="rows"/>
1969 <xs:enumeration value="cols"/>
1970 <xs:enumeration value="all"/>
1974 <xs:attributeGroup name="cellhalign">
1977 horizontal alignment attributes for cell contents
1979 char alignment char, e.g. char=':'
1980 charoff offset for alignment char
1983 <xs:attribute name="align">
1985 <xs:restriction base="xs:token">
1986 <xs:enumeration value="left"/>
1987 <xs:enumeration value="center"/>
1988 <xs:enumeration value="right"/>
1989 <xs:enumeration value="justify"/>
1990 <xs:enumeration value="char"/>
1994 <xs:attribute name="char" type="Character"/>
1995 <xs:attribute name="charoff" type="Length"/>
1996 </xs:attributeGroup>
1998 <xs:attributeGroup name="cellvalign">
2001 vertical alignment attributes for cell contents
2004 <xs:attribute name="valign">
2006 <xs:restriction base="xs:token">
2007 <xs:enumeration value="top"/>
2008 <xs:enumeration value="middle"/>
2009 <xs:enumeration value="bottom"/>
2010 <xs:enumeration value="baseline"/>
2014 </xs:attributeGroup>
2016 <xs:element name="table">
2019 <xs:element minOccurs="0" ref="caption"/>
2021 <xs:element minOccurs="0" maxOccurs="unbounded" ref="col"/>
2022 <xs:element minOccurs="0" maxOccurs="unbounded" ref="colgroup"/>
2024 <xs:element minOccurs="0" ref="thead"/>
2025 <xs:element minOccurs="0" ref="tfoot"/>
2027 <xs:element maxOccurs="unbounded" ref="tbody"/>
2028 <xs:element maxOccurs="unbounded" ref="tr"/>
2031 <xs:attributeGroup ref="attrs"/>
2032 <xs:attribute name="summary" type="Text"/>
2033 <xs:attribute name="width" type="Length"/>
2034 <xs:attribute name="border" type="Pixels"/>
2035 <xs:attribute name="frame" type="TFrame"/>
2036 <xs:attribute name="rules" type="TRules"/>
2037 <xs:attribute name="cellspacing" type="Length"/>
2038 <xs:attribute name="cellpadding" type="Length"/>
2042 <xs:element name="caption">
2043 <xs:complexType mixed="true">
2045 <xs:extension base="Inline">
2046 <xs:attributeGroup ref="attrs"/>
2048 </xs:complexContent>
2054 Use thead to duplicate headers when breaking table
2055 across page boundaries, or for static headers when
2056 tbody sections are rendered in scrolling panel.
2058 Use tfoot to duplicate footers when breaking table
2059 across page boundaries, or for static footers when
2060 tbody sections are rendered in scrolling panel.
2062 Use multiple tbody sections when rules are needed
2063 between groups of table rows.
2067 <xs:element name="thead">
2070 <xs:element maxOccurs="unbounded" ref="tr"/>
2072 <xs:attributeGroup ref="attrs"/>
2073 <xs:attributeGroup ref="cellhalign"/>
2074 <xs:attributeGroup ref="cellvalign"/>
2078 <xs:element name="tfoot">
2081 <xs:element maxOccurs="unbounded" ref="tr"/>
2083 <xs:attributeGroup ref="attrs"/>
2084 <xs:attributeGroup ref="cellhalign"/>
2085 <xs:attributeGroup ref="cellvalign"/>
2089 <xs:element name="tbody">
2092 <xs:element maxOccurs="unbounded" ref="tr"/>
2094 <xs:attributeGroup ref="attrs"/>
2095 <xs:attributeGroup ref="cellhalign"/>
2096 <xs:attributeGroup ref="cellvalign"/>
2100 <xs:element name="colgroup">
2103 colgroup groups a set of col elements. It allows you to group
2104 several semantically related columns together.
2109 <xs:element minOccurs="0" maxOccurs="unbounded" ref="col"/>
2111 <xs:attributeGroup ref="attrs"/>
2112 <xs:attribute name="span" default="1" type="Number"/>
2113 <xs:attribute name="width" type="MultiLength"/>
2114 <xs:attributeGroup ref="cellhalign"/>
2115 <xs:attributeGroup ref="cellvalign"/>
2119 <xs:element name="col">
2122 col elements define the alignment properties for cells in
2123 one or more columns.
2125 The width attribute specifies the width of the columns, e.g.
2127 width=64 width in screen pixels
2128 width=0.5* relative width of 0.5
2130 The span attribute causes the attributes of one
2131 col element to apply to more than one column.
2135 <xs:attributeGroup ref="attrs"/>
2136 <xs:attribute name="span" default="1" type="Number"/>
2137 <xs:attribute name="width" type="MultiLength"/>
2138 <xs:attributeGroup ref="cellhalign"/>
2139 <xs:attributeGroup ref="cellvalign"/>
2143 <xs:element name="tr">
2145 <xs:choice maxOccurs="unbounded">
2146 <xs:element ref="th"/>
2147 <xs:element ref="td"/>
2149 <xs:attributeGroup ref="attrs"/>
2150 <xs:attributeGroup ref="cellhalign"/>
2151 <xs:attributeGroup ref="cellvalign"/>
2155 <xs:simpleType name="Scope">
2158 Scope is simpler than headers attribute for common tables
2161 <xs:restriction base="xs:token">
2162 <xs:enumeration value="row"/>
2163 <xs:enumeration value="col"/>
2164 <xs:enumeration value="rowgroup"/>
2165 <xs:enumeration value="colgroup"/>
2171 th is for headers, td for data and for cells acting as both
2175 <xs:element name="th">
2176 <xs:complexType mixed="true">
2178 <xs:extension base="Flow">
2179 <xs:attributeGroup ref="attrs"/>
2180 <xs:attribute name="abbr" type="Text"/>
2181 <xs:attribute name="axis"/>
2182 <xs:attribute name="headers" type="xs:IDREFS"/>
2183 <xs:attribute name="scope" type="Scope"/>
2184 <xs:attribute name="rowspan" default="1" type="Number"/>
2185 <xs:attribute name="colspan" default="1" type="Number"/>
2186 <xs:attributeGroup ref="cellhalign"/>
2187 <xs:attributeGroup ref="cellvalign"/>
2189 </xs:complexContent>
2193 <xs:element name="td">
2194 <xs:complexType mixed="true">
2196 <xs:extension base="Flow">
2197 <xs:attributeGroup ref="attrs"/>
2198 <xs:attribute name="abbr" type="Text"/>
2199 <xs:attribute name="axis"/>
2200 <xs:attribute name="headers" type="xs:IDREFS"/>
2201 <xs:attribute name="scope" type="Scope"/>
2202 <xs:attribute name="rowspan" default="1" type="Number"/>
2203 <xs:attribute name="colspan" default="1" type="Number"/>
2204 <xs:attributeGroup ref="cellhalign"/>
2205 <xs:attributeGroup ref="cellvalign"/>
2207 </xs:complexContent>