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1 <!--
2 W3C Document Type Definition for the HyperText Markup Language
3 version 3.2 as ratified by a vote of W3C member companies.
4 For more information on W3C look at URL http://www.w3.org/
5
6 Date: Tuesday January 14th 1996
7
8 Author: Dave Raggett <dsr@w3.org>
9
10 HTML 3.2 aims to capture recommended practice as of early '96
11 and as such to be used as a replacement for HTML 2.0 (RFC 1866).
12 Widely deployed rendering attributes are included where they
13 have been shown to be interoperable. SCRIPT and STYLE are
14 included to smooth the introduction of client-side scripts
15 and style sheets. Browsers must avoid showing the contents
16 of these element Otherwise support for them is not required.
17 ID, CLASS and STYLE attributes are not included in this version
18 of HTML.
19 -->
20
21 <!ENTITY % HTML.Version
22 "-//W3C//DTD HTML 3.2 Final//EN"
23
24 -- Typical usage:
25
26 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
27 <html>
28 ...
29 </html>
30 --
31 >
32
33 <!--================== Deprecated Features Switch =========================-->
34
35 <!ENTITY % HTML.Deprecated "INCLUDE">
36
37 <!--================== Imported Names =====================================-->
38
39 <!ENTITY % Content-Type "CDATA"
40 -- meaning a MIME content type, as per RFC1521
41 -->
42
43 <!ENTITY % HTTP-Method "GET | POST"
44 -- as per HTTP specification
45 -->
46
47 <!ENTITY % URL "CDATA"
48 -- The term URL means a CDATA attribute
49 whose value is a Uniform Resource Locator,
50 See RFC1808 (June 95) and RFC1738 (Dec 94).
51 -->
52
53 <!-- Parameter Entities -->
54
55 <!ENTITY % head.misc "SCRIPT|STYLE|META|LINK" -- repeatable head elements -->
56
57 <!ENTITY % heading "H1|H2|H3|H4|H5|H6">
58
59 <!ENTITY % list "UL | OL | DIR | MENU">
60
61 <![ %HTML.Deprecated [
62 <!ENTITY % preformatted "PRE | XMP | LISTING">
63 ]]>
64
65 <!ENTITY % preformatted "PRE">
66
67 <!--================ Character mnemonic entities ==========================-->
68
69 <!ENTITY % ISOlat1 PUBLIC
70 "ISO 8879-1986//ENTITIES Added Latin 1//EN//HTML">
71 %ISOlat1;
72
73 <!--================ Entities for special symbols =========================-->
74 <!-- &trade and &cbsp are not widely deployed and so not included here -->
75
76 <!ENTITY amp CDATA "&#38;" -- ampersand -->
77 <!ENTITY gt CDATA "&#62;" -- greater than -->
78 <!ENTITY lt CDATA "&#60;" -- less than -->
79
80 <!--=================== Text Markup =======================================-->
81
82 <!ENTITY % font "TT | I | B | U | STRIKE | BIG | SMALL | SUB | SUP">
83
84 <!ENTITY % phrase "EM | STRONG | DFN | CODE | SAMP | KBD | VAR | CITE">
85
86 <!ENTITY % special "A | IMG | APPLET | FONT | BASEFONT | BR | SCRIPT | MAP">
87
88 <!ENTITY % form "INPUT | SELECT | TEXTAREA">
89
90 <!ENTITY % text "#PCDATA | %font | %phrase | %special | %form">
91
92 <!ELEMENT (%font|%phrase) - - (%text)*>
93
94 <!-- there are also 16 widely known color names although
95 the resulting colors are implementation dependent:
96
97 aqua, black, blue, fuchsia, gray, green, lime, maroon,
98 navy, olive, purple, red, silver, teal, white, and yellow
99
100 These colors were originally picked as being the standard
101 16 colors supported with the Windows VGA palette.
102 -->
103
104 <!ELEMENT FONT - - (%text)* -- local change to font -->
105 <!ATTLIST FONT
106 size CDATA #IMPLIED -- [+]nn e.g. size="+1", size=4 --
107 color CDATA #IMPLIED -- #RRGGBB in hex, e.g. red: color="#FF0000" --
108 >
109
110 <!ELEMENT BASEFONT - O EMPTY -- base font size (1 to 7)-->
111 <!ATTLIST BASEFONT
112 size CDATA #IMPLIED -- e.g. size=3 --
113 >
114
115 <!ELEMENT BR - O EMPTY -- forced line break -->
116 <!ATTLIST BR
117 clear (left|all|right|none) none -- control of text flow --
118 >
119
120 <!--================== HTML content models ================================-->
121 <!--
122 HTML has three basic content models:
123
124 %text character level elements and text strings
125 %flow block-like elements e.g. paragraphs and lists
126 %bodytext as %flow plus headers H1-H6 and ADDRESS
127 -->
128
129 <!ENTITY % block
130 "P | %list | %preformatted | DL | DIV | CENTER |
131 BLOCKQUOTE | FORM | ISINDEX | HR | TABLE">
132
133 <!-- %flow is used for DD and LI -->
134
135 <!ENTITY % flow "(%text | %block)*">
136
137 <!--=================== Document Body =====================================-->
138
139 <!ENTITY % body.content "(%heading | %text | %block | ADDRESS)*">
140
141 <!ENTITY % color "CDATA" -- a color specification: #HHHHHH @@ details? -->
142
143 <!ENTITY % body-color-attrs "
144 bgcolor %color #IMPLIED
145 text %color #IMPLIED
146 link %color #IMPLIED
147 vlink %color #IMPLIED
148 alink %color #IMPLIED
149 ">
150
151 <!ELEMENT BODY O O %body.content>
152 <!ATTLIST BODY
153 background %URL #IMPLIED -- texture tile for document background --
154 %body-color-attrs; -- bgcolor, text, link, vlink, alink --
155 >
156
157 <!ENTITY % address.content "((%text;) | P)*">
158
159 <!ELEMENT ADDRESS - - %address.content>
160
161 <!ELEMENT DIV - - %body.content>
162 <!ATTLIST DIV
163 align (left|center|right) #IMPLIED -- alignment of following text --
164 >
165
166 <!-- CENTER is a shorthand for DIV with ALIGN=CENTER -->
167 <!ELEMENT center - - %body.content>
168
169 <!--================== The Anchor Element =================================-->
170
171 <!ELEMENT A - - (%text)* -(A)>
172 <!ATTLIST A
173 name CDATA #IMPLIED -- named link end --
174 href %URL #IMPLIED -- URL for linked resource --
175 rel CDATA #IMPLIED -- forward link types --
176 rev CDATA #IMPLIED -- reverse link types --
177 title CDATA #IMPLIED -- advisory title string --
178 >
179
180 <!--================== Client-side image maps ============================-->
181
182 <!-- These can be placed in the same document or grouped in a
183 separate document although this isn't yet widely supported -->
184
185 <!ENTITY % SHAPE "(rect|circle|poly)">
186 <!ENTITY % COORDS "CDATA" -- comma separated list of numbers -->
187
188 <!ELEMENT MAP - - (AREA)*>
189 <!ATTLIST MAP
190 name CDATA #IMPLIED
191 >
192
193 <!ELEMENT AREA - O EMPTY>
194 <!ATTLIST AREA
195 shape %SHAPE rect
196 coords %COORDS #IMPLIED -- defines coordinates for shape --
197 href %URL #IMPLIED -- this region acts as hypertext link --
198 nohref (nohref) #IMPLIED -- this region has no action --
199 alt CDATA #REQUIRED -- needed for non-graphical user agents --
200 >
201
202 <!--================== The LINK Element ==================================-->
203
204 <!ENTITY % Types "CDATA"
205 -- See Internet Draft: draft-ietf-html-relrev-00.txt
206 LINK has been part of HTML since the early days
207 although few browsers as yet take advantage of it.
208
209 Relationship values can be used in principle:
210
211 a) for document specific toolbars/menus when used
212 with the LINK element in the document head:
213 b) to link to a separate style sheet
214 c) to make a link to a script
215 d) by stylesheets to control how collections of
216 html nodes are rendered into printed documents
217 e) to make a link to a printable version of this document
218 e.g. a postscript or pdf version
219 -->
220
221 <!ELEMENT LINK - O EMPTY>
222 <!ATTLIST LINK
223 href %URL #IMPLIED -- URL for linked resource --
224 rel %Types #IMPLIED -- forward link types --
225 rev %Types #IMPLIED -- reverse link types --
226 title CDATA #IMPLIED -- advisory title string --
227 >
228
229 <!--=================== Images ============================================-->
230
231 <!ENTITY % Length "CDATA" -- nn for pixels or nn% for percentage length -->
232 <!ENTITY % Pixels "CDATA" -- integer representing length in pixels -->
233
234 <!-- Suggested widths are used for negotiating image size
235 with the module responsible for painting the image.
236 align=left or right cause image to float to margin
237 and for subsequent text to wrap around image -->
238
239 <!ENTITY % IAlign "(top|middle|bottom|left|right)">
240
241 <!ELEMENT IMG - O EMPTY -- Embedded image -->
242 <!ATTLIST IMG
243 src %URL #REQUIRED -- URL of image to embed --
244 alt CDATA #IMPLIED -- for display in place of image --
245 align %IAlign #IMPLIED -- vertical or horizontal alignment --
246 height %Pixels #IMPLIED -- suggested height in pixels --
247 width %Pixels #IMPLIED -- suggested width in pixels --
248 border %Pixels #IMPLIED -- suggested link border width --
249 hspace %Pixels #IMPLIED -- suggested horizontal gutter --
250 vspace %Pixels #IMPLIED -- suggested vertical gutter --
251 usemap %URL #IMPLIED -- use client-side image map --
252 ismap (ismap) #IMPLIED -- use server image map --
253 >
254
255 <!-- USEMAP points to a MAP element which may be in this document
256 or an external document, although the latter is not widely supported -->
257
258 <!--=================== Java APPLET tag ===================================-->
259 <!--
260 This tag is supported by all Java enabled browsers. Applet resources
261 (including their classes) are normally loaded relative to the document
262 URL (or <BASE> element if it is defined). The CODEBASE attribute is used
263 to change this default behavior. If the CODEBASE attribute is defined then
264 it specifies a different location to find applet resources. The value
265 can be an absolute URL or a relative URL. The absolute URL is used as is
266 without modification and is not effected by the documents <BASE> element.
267 When the codebase attribute is relative, then it is relative to the
268 document URL (or <BASE> tag if defined).
269 -->
270 <!ELEMENT APPLET - - (PARAM | %text)*>
271 <!ATTLIST APPLET
272 codebase %URL #IMPLIED -- code base --
273 code CDATA #REQUIRED -- class file --
274 alt CDATA #IMPLIED -- for display in place of applet --
275 name CDATA #IMPLIED -- applet name --
276 width %Pixels #REQUIRED -- suggested width in pixels --
277 height %Pixels #REQUIRED -- suggested height in pixels --
278 align %IAlign #IMPLIED -- vertical or horizontal alignment --
279 hspace %Pixels #IMPLIED -- suggested horizontal gutter --
280 vspace %Pixels #IMPLIED -- suggested vertical gutter --
281 >
282
283 <!ELEMENT PARAM - O EMPTY>
284 <!ATTLIST PARAM
285 name NMTOKEN #REQUIRED -- The name of the parameter --
286 value CDATA #IMPLIED -- The value of the parameter --
287 >
288
289 <!--
290 Here is an example:
291
292 <applet codebase="applets/NervousText"
293 code=NervousText.class
294 width=300
295 height=50>
296 <param name=text value="Java is Cool!">
297 <img src=sorry.gif alt="This looks better with Java support">
298 </applet>
299 -->
300
301 <!--=================== Horizontal Rule ===================================-->
302
303 <!ELEMENT HR - O EMPTY>
304 <!ATTLIST HR
305 align (left|right|center) #IMPLIED
306 noshade (noshade) #IMPLIED
307 size %Pixels #IMPLIED
308 width %Length #IMPLIED
309 >
310 <!--=================== Paragraphs=========================================-->
311
312 <!ELEMENT P - O (%text)*>
313 <!ATTLIST P
314 align (left|center|right) #IMPLIED
315 >
316
317 <!--=================== Headings ==========================================-->
318
319 <!--
320 There are six levels of headers from H1 (the most important)
321 to H6 (the least important).
322 -->
323
324 <!ELEMENT ( %heading ) - - (%text;)*>
325 <!ATTLIST ( %heading )
326 align (left|center|right) #IMPLIED
327 >
328
329 <!--=================== Preformatted Text =================================-->
330
331 <!-- excludes images and changes in font size -->
332
333 <!ENTITY % pre.exclusion "IMG|BIG|SMALL|SUB|SUP|FONT">
334
335 <!ELEMENT PRE - - (%text)* -(%pre.exclusion)>
336 <!ATTLIST PRE
337 width NUMBER #implied -- is this widely supported? --
338 >
339
340 <![ %HTML.Deprecated [
341
342 <!ENTITY % literal "CDATA"
343 -- historical, non-conforming parsing mode where
344 the only markup signal is the end tag
345 in full
346 -->
347
348 <!ELEMENT (XMP|LISTING) - - %literal>
349 <!ELEMENT PLAINTEXT - O %literal>
350
351 ]]>
352
353 <!--=================== Block-like Quotes =================================-->
354
355 <!ELEMENT BLOCKQUOTE - - %body.content>
356
357 <!--=================== Lists =============================================-->
358
359 <!--
360 HTML 3.2 allows you to control the sequence number for ordered lists.
361 You can set the sequence number with the START and VALUE attributes.
362 The TYPE attribute may be used to specify the rendering of ordered
363 and unordered lists.
364 -->
365
366 <!-- definition lists - DT for term, DD for its definition -->
367
368 <!ELEMENT DL - - (DT|DD)+>
369 <!ATTLIST DL
370 compact (compact) #IMPLIED -- more compact style --
371 >
372
373 <!ELEMENT DT - O (%text)*>
374 <!ELEMENT DD - O %flow;>
375
376 <!-- Ordered lists OL, and unordered lists UL -->
377 <!ELEMENT (OL|UL) - - (LI)+>
378
379 <!--
380 Numbering style
381 1 arablic numbers 1, 2, 3, ...
382 a lower alpha a, b, c, ...
383 A upper alpha A, B, C, ...
384 i lower roman i, ii, iii, ...
385 I upper roman I, II, III, ...
386
387 The style is applied to the sequence number which by default
388 is reset to 1 for the first list item in an ordered list.
389
390 This can't be expressed directly in SGML due to case folding.
391 -->
392
393 <!ENTITY % OLStyle "CDATA" -- constrained to: [1|a|A|i|I] -->
394
395 <!ATTLIST OL -- ordered lists --
396 type %OLStyle #IMPLIED -- numbering style --
397 start NUMBER #IMPLIED -- starting sequence number --
398 compact (compact) #IMPLIED -- reduced interitem spacing --
399 >
400
401 <!-- bullet styles -->
402
403 <!ENTITY % ULStyle "disc|square|circle">
404
405 <!ATTLIST UL -- unordered lists --
406 type (%ULStyle) #IMPLIED -- bullet style --
407 compact (compact) #IMPLIED -- reduced interitem spacing --
408 >
409
410 <!ELEMENT (DIR|MENU) - - (LI)+ -(%block)>
411 <!ATTLIST DIR
412 compact (compact) #IMPLIED
413 >
414 <!ATTLIST MENU
415 compact (compact) #IMPLIED
416 >
417
418 <!-- <DIR> Directory list -->
419 <!-- <DIR COMPACT> Compact list style -->
420 <!-- <MENU> Menu list -->
421 <!-- <MENU COMPACT> Compact list style -->
422
423 <!-- The type attribute can be used to change the bullet style
424 in unordered lists and the numbering style in ordered lists -->
425
426 <!ENTITY % LIStyle "CDATA" -- constrained to: "(%ULStyle|%OLStyle)" -->
427
428 <!ELEMENT LI - O %flow -- list item -->
429 <!ATTLIST LI
430 type %LIStyle #IMPLIED -- list item style --
431 value NUMBER #IMPLIED -- reset sequence number --
432 >
433
434 <!--================ Forms ===============================================-->
435
436 <!ELEMENT FORM - - %body.content -(FORM)>
437 <!ATTLIST FORM
438 action %URL #IMPLIED -- server-side form handler --
439 method (%HTTP-Method) GET -- see HTTP specification --
440 enctype %Content-Type; "application/x-www-form-urlencoded"
441 >
442
443 <!ENTITY % InputType
444 "(TEXT | PASSWORD | CHECKBOX | RADIO | SUBMIT
445 | RESET | FILE | HIDDEN | IMAGE)">
446
447 <!ELEMENT INPUT - O EMPTY>
448 <!ATTLIST INPUT
449 type %InputType TEXT -- what kind of widget is needed --
450 name CDATA #IMPLIED -- required for all but submit and reset --
451 value CDATA #IMPLIED -- required for radio and checkboxes --
452 checked (checked) #IMPLIED -- for radio buttons and check boxes --
453 size CDATA #IMPLIED -- specific to each type of field --
454 maxlength NUMBER #IMPLIED
455 src %URL #IMPLIED -- for fields with background images --
456 align (top|middle|bottom|left|right) top -- image alignment --
457 >
458
459 <!ELEMENT SELECT - - (OPTION+)>
460 <!ATTLIST SELECT
461 name CDATA #REQUIRED
462 size NUMBER #IMPLIED
463 multiple (multiple) #IMPLIED
464 >
465
466 <!ELEMENT OPTION - O (#PCDATA)*>
467 <!ATTLIST OPTION
468 selected (selected) #IMPLIED
469 value CDATA #IMPLIED -- defaults to element content --
470 >
471
472 <!-- Multi-line text input field. -->
473
474 <!ELEMENT TEXTAREA - - (#PCDATA)*>
475 <!ATTLIST TEXTAREA
476 name CDATA #REQUIRED
477 rows NUMBER #REQUIRED
478 cols NUMBER #REQUIRED
479 >
480
481 <!--======================= Tables ========================================-->
482
483 <!-- Widely deployed subset of the full table standard, see RFC 1942
484 e.g. at http://www.ics.uci.edu/pub/ietf/html/rfc1942.txt -->
485
486 <!-- horizontal placement of table relative to window -->
487 <!ENTITY % Where "(left|center|right)">
488
489 <!-- horizontal alignment attributes for cell contents -->
490 <!ENTITY % cell.halign
491 "align (left|center|right) #IMPLIED"
492 >
493
494 <!-- vertical alignment attributes for cell contents -->
495 <!ENTITY % cell.valign
496 "valign (top|middle|bottom) #IMPLIED"
497 >
498
499 <!ELEMENT table - - (caption?, tr+)>
500 <!ELEMENT tr - O (th|td)*>
501 <!ELEMENT (th|td) - O %body.content>
502
503 <!ATTLIST table -- table element --
504 align %Where; #IMPLIED -- table position relative to window --
505 width %Length #IMPLIED -- table width relative to window --
506 border %Pixels #IMPLIED -- controls frame width around table --
507 cellspacing %Pixels #IMPLIED -- spacing between cells --
508 cellpadding %Pixels #IMPLIED -- spacing within cells --
509 >
510
511 <!ELEMENT CAPTION - - (%text;)* -- table or figure caption -->
512 <!ATTLIST CAPTION
513 align (top|bottom) #IMPLIED
514 >
515
516 <!ATTLIST tr -- table row --
517 %cell.halign; -- horizontal alignment in cells --
518 %cell.valign; -- vertical alignment in cells --
519 >
520
521 <!ATTLIST (th|td) -- header or data cell --
522 nowrap (nowrap) #IMPLIED -- suppress word wrap --
523 rowspan NUMBER 1 -- number of rows spanned by cell --
524 colspan NUMBER 1 -- number of cols spanned by cell --
525 %cell.halign; -- horizontal alignment in cell --
526 %cell.valign; -- vertical alignment in cell --
527 width %Pixels #IMPLIED -- suggested width for cell --
528 height %Pixels #IMPLIED -- suggested height for cell --
529 >
530
531 <!--================ Document Head ========================================-->
532
533 <!-- %head.misc defined earlier on as "SCRIPT|STYLE|META|LINK" -->
534
535 <!ENTITY % head.content "TITLE & ISINDEX? & BASE?">
536
537 <!ELEMENT HEAD O O (%head.content) +(%head.misc)>
538
539 <!ELEMENT TITLE - - (#PCDATA)* -(%head.misc)
540 -- The TITLE element is not considered part of the flow of text.
541 It should be displayed, for example as the page header or
542 window title.
543 -->
544
545 <!ELEMENT ISINDEX - O EMPTY>
546 <!ATTLIST ISINDEX
547 prompt CDATA #IMPLIED -- prompt message -->
548
549 <!--
550 The BASE element gives an absolute URL for dereferencing relative
551 URLs, e.g.
552
553 <BASE href="http://foo.com/index.html">
554 ...
555 <IMG SRC="images/bar.gif">
556
557 The image is deferenced to
558
559 http://foo.com/images/bar.gif
560
561 In the absence of a BASE element the document URL should be used.
562 Note that this is not necessarily the same as the URL used to
563 request the document, as the base URL may be overridden by an HTTP
564 header accompanying the document.
565 -->
566
567 <!ELEMENT BASE - O EMPTY>
568 <!ATTLIST BASE
569 href %URL #REQUIRED
570 >
571
572 <!ELEMENT META - O EMPTY -- Generic Metainformation -->
573 <!ATTLIST META
574 http-equiv NAME #IMPLIED -- HTTP response header name --
575 name NAME #IMPLIED -- metainformation name --
576 content CDATA #REQUIRED -- associated information --
577 >
578
579 <!-- SCRIPT/STYLE are place holders for transition to next version of HTML -->
580
581 <!ELEMENT STYLE - - (#PCDATA)* -(%head.misc) -- style info -->
582 <!ELEMENT SCRIPT - - (#PCDATA)* -(%head.misc) -- script statements -->
583
584 <!--================ Document Structure ===================================-->
585
586 <!ENTITY % version.attr "VERSION CDATA #FIXED '%HTML.Version;'">
587
588 <![ %HTML.Deprecated [
589 <!ENTITY % html.content "HEAD, BODY, PLAINTEXT?">
590 ]]>
591
592 <!ENTITY % html.content "HEAD, BODY">
593
594 <!ELEMENT HTML O O (%html.content)>
595 <!ATTLIST HTML
596 %version.attr;
597 >
598