pub/test/html.dtd

<!--    html.dtd

        Document Type Definition for the HyperText Markup Language
        as used by the World Wide Web application (HTML DTD).

        $Id: html.dtd,v 1.11 1994/04/30 03:17:56 connolly Exp $

-->

<!-- Feature Test Entities -->

<!-- To use these, write your document like:
        <!DOCTYPE HTML [
        <!ENTITY % HTML.Optional "INCLUDE">
        <!ENTITY % html PUBLIC "-//connolly hal.com//DTD WWW HTML 1.8//EN">
        %html;
        ]>
        <TITLE>Here's my doc</TITLE>
        <p>It uses lots of optional features

 In practice, if you're using sgmls to validate your docs,
 you can stick the <!DOCTYPE [...]> in a separate file and
 validate with:
        sgmls -s doctype.sgml foo.html
 -->

<!ENTITY % HTML.Minimal  "IGNORE">
<!ENTITY % HTML.Obsolete "IGNORE">
<!ENTITY % HTML.Prescriptive "IGNORE">

<![ %HTML.Minimal [
        <!ENTITY % HTML.linkRelationships "IGNORE">
        <!ENTITY % HTML.linkMethods "IGNORE">
        <!ENTITY % HTML.linkRedundantInfo "IGNORE">
        <!ENTITY % HTML.forms "IGNORE">
        <!-- @@ nested lists -->
        <!-- @@ phrases -->
        <!-- @@ headers inside A -->
        <!-- @@ nested phrases, fonts -->
        ]]>
        
<![ %HTML.Obsolete [
        <!ENTITY % HTML.titleCDATA "INCLUDE">
        <!ENTITY % HTML.litCDATA "INCLUDE">
        <!ENTITY % HTML.pSeparator "INCLUDE">
        ]]>

<![ %HTML.Prescriptive [
        <!--
        This feature test entity prescribes that certain
        idioms detract from the structural integrity of an
        HTML document, and are therefore disallowed.
        -->
        <!ENTITY % HTML.font-phrase "IGNORE">
        <!ENTITY % HTML.anchorNameCDATA "IGNORE">
        <!ENTITY % HTML.PLAINTEXT "IGNORE">
        <!ENTITY % HTML.bodyBlockOnly "INCLUDE">
        ]]>

<!ENTITY HTML.Version
        "-//connolly hal.com//DTD WWW HTML $Date 1994/04/19 17:24:06 $//EN"
        -- public identifier for "default" version                       -- 
        -- actually, take the $'s out to get the real public identifer,  --
        -- since $ is illegal in public identifier. When DTD stabilizes, --
        -- we'll need to stop using RCS keywords to version the pub id   --
        >

<!ENTITY % HTML.bodyBlockOnly "IGNORE"
        -- only allow block elements in the BODY element
        This means all paragraphs need to start with a <P> tag.
        -->

<!ENTITY % HTML.pSeparator "IGNORE"
        -- use P element as paragraph separator, rather that container.
        -->

<!ENTITY % HTML.linkRelationships "INCLUDE"
        -- Adding markup to links to show the relationship between
        ends of a link
        see http://info.cern.ch/hypertext/WWW/MarkUp/Relationships.html
        -->

<!ENTITY % HTML.linkMethods "INCLUDE"
        -- Adding markup to links to show the methods supported
        by the referent object
        see http://info.cern.ch/hypertext/WWW/MarkUp/Elements/A.html
        -->

<!ENTITY % HTML.linkRedundantInfo "INCLUDE"
        -- Adding markup to links to give redundant information
        like URN, content type, title...
        -->

<!ENTITY % HTML.anchorNameCDATA "INCLUDE"
        -- Anchor names should be distinct. SGML parser can validate
        this if the NAME attribute of the A element is declared as ID.
        But that restricts the syntax of an anchor name to an SGML name,
        i.e. a letter followed by letters, numbers, periods and dashes,
        up to NAMELEN (34) characters long.
        -->

<!ENTITY % HTML.PLAINTEXT "INCLUDE"
        -- Support for the <PLAINTEXT> tag as a sign of the
        end of th HTML data stream and the beginning of a stream
        of text/plain data
        -->

<!ENTITY % HTML.titleCDATA "IGNORE"
        -- Is the TITLE element #PCDATA, RCDATA, or CDATA content?
        On Mosaic, it's #PCDATA, but in the linemode browser,
        it's more like CDATA, but not quite.
        -->

<!ENTITY % HTML.NEXTID "INCLUDE"
        -- Used by the NeXT implementation to keep track of the
        next anchor id to use
        -->

<!ENTITY % HTML.font-phrase "INCLUDE"
        -- allow B, I, TT, U outside PRE,
        CITE, VAR, etc. inside PRE
        -->

<!ENTITY % HTML.KEY "IGNORE"
        -- There was once a KEY element, for keyboard keys, menu items,
        buttons, etc. but it's not supported or widely documented
        -->

<!ENTITY % HTML.U "IGNORE"
        -- There was also a U element, but since it clashes with
        the common pracitce of underlining hypertext links, it is
        not widely supported
        -->

<!ENTITY % HTML.litCDATA "IGNORE"
        -- treat XMP, LISTING as CDATA, as per linemodeWWW
        -->

<!ENTITY % HTML.forms "INCLUDE"
        -- Support for forms as per
http://www.ncsa.uiuc.edu/SDG/Software/Mosaic/Docs/fill-out-forms/overview.html
        -->

<!-- DTD definitions -->

<!ENTITY % heading "H1|H2|H3|H4|H5|H6" >
<!ENTITY % list " UL | OL | DIR | MENU ">
<!ENTITY % literal " XMP | LISTING ">

<!ENTITY % URI "CDATA"
        -- The term URI means a CDATA attribute
           whose value is a Uniform Resource Identifier,
           as defined by 
        "Universal Resource Identifiers" by Tim Berners-Lee
        aka http://info.cern.ch/hypertext/WWW/Addressing/URL/URI_Overview.html

        Note that CDATA attributes are limited by the LITLEN
        capacity (1024 in the current version of html.decl),
        so that URIs in HTML have a bounded length.

        @@ Need to discuss relative addresses.
        -->

<!ENTITY % Content-Type "CDATA"
        -- meaning a MIME content type, as per RFC1521
        -->

<![ %HTML.anchorNameCDATA [ <!ENTITY % anchor-name "CDATA"> ]]>
<!ENTITY % anchor-name "ID">

<![ %HTML.linkRelationships [ <!ENTITY % linkRelAttrs "
        REL CDATA #IMPLIED -- forward relationship type --
        REV CDATA #IMPLIED -- reversed relationship type
                              to referent data:

                                PARENT CHILD, SIBLING, NEXT, TOP,
                                DEFINITION, UPDATE, ORIGINAL etc. --
        "> ]]>
<!ENTITY % linkRelAttrs "">

<![ %HTML.linkRedundantInfo [ <!ENTITY % linkRedundantAttrs "
        URN CDATA #IMPLIED -- universal resource number --

        TITLE CDATA #IMPLIED -- advisory only --
        "> ]]>
<!ENTITY % linkRedundantAttrs "">

<![ %HTML.linkMethods [ <!ENTITY % linkMethodAttrs "
        METHODS NAMES #IMPLIED -- supported public methods of the object:
                                        TEXTSEARCH, GET, HEAD, ... --
        "> ]]>
<!ENTITY % linkMethodAttrs "">

<!ENTITY % linkattributes
        "NAME %anchor-name #IMPLIED
        HREF %URI;  #IMPLIED
        %linkRelAttrs;
        %linkRedundantAttrs;
        %linkMethodAttrs;
        ">


<!-- Document Element -->


<![ %HTML.PLAINTEXT [ <!ENTITY % obsolete-plaintext ", PLAINTEXT?"> ]]>
<!ENTITY % obsolete-plaintext "">

<!ENTITY % html-content "HEAD, BODY %obsolete-plaintext;">
<!ELEMENT HTML O O  (%html-content)>

<![ %HTML.NEXTID [  <!ENTITY % head-content "TITLE? & ISINDEX? & LINK* & BASE?
                        & NEXTID?"> ]]>
<!ENTITY % head-content "TITLE & ISINDEX? & LINK* & BASE?">
<!ELEMENT HEAD O O  (%head-content)>

<![ %HTML.titleCDATA [ <!ENTITY % title-content "CDATA"> ]]>
<!ENTITY % title-content "(#PCDATA)">
<!ELEMENT TITLE - -  %title-content
          -- The TITLE element is not considered part of the flow of text.
             It should be displayed, for example as the page header or
             window title.
          -->

<!ELEMENT ISINDEX - O EMPTY
          -- WWW clients should offer the option to perform a search on
             documents containing ISINDEX.
          -->

<!ELEMENT NEXTID - O EMPTY>
<!ATTLIST NEXTID N %anchor-name #REQUIRED
          -- The number should be a name suitable for use
             for the ID of a new element. When used, the value
             has its numeric part incremented. EG Z67 becomes Z68
          -->
<!ELEMENT LINK - O EMPTY>
<!ATTLIST LINK
        %linkattributes>
        
<!ELEMENT BASE - O EMPTY    -- Reference context for URIs -->
<!ATTLIST BASE

        HREF %URI; #REQUIRED

        >

<![ %HTML.KEY [
        <!ENTITY % key-emph "| KEY">
        ]]>
<!ENTITY % key-emph "">

<![ %HTML.U [
        <!ENTITY % u-font "| U">
        ]]>
<!ENTITY % u-font "">

<!ENTITY % font "TT | B | I %u-font">
<!ENTITY % phrase "EM | STRONG | CODE | SAMP | KBD | VAR | DFN | CITE
         | STRIKE %key-emph">


<![ %HTML.font-phrase [
        <!ENTITY % obsolete-font "| %font">
        <!ENTITY % obsolete-phrase "| %phrase">
        ]]>
<!ENTITY % obsolete-font "">
<!ENTITY % obsolete-phrase "">
<![ %HTML.pSeparator [
        <!ENTITY % obsolete-p "| P">
        ]]>
<!ENTITY % obsolete-p "">

<!ENTITY % inline "%phrase %obsolete-font">
<!ENTITY % pre-inline "%font %obsolete-phrase %obsolete-p">

<!ENTITY % text "#PCDATA | IMG | %inline | BR %obsolete-p">

<!ENTITY % htext "A | %text"    -- Plus links, no structure -->

<![ %HTML.font-phrase [ <!ENTITY % font-content "(%htext)+"> ]]>
<!ENTITY % font-content "#PCDATA">
<!ELEMENT (%font;) - - (%font-content;)>

<!ELEMENT (%phrase;) - - (%htext)+>

<!ENTITY % pre "PRE | XMP | LISTING">

<![ %HTML.forms [ <!ENTITY % block-form "| FORM | ISINDEX"> ]]>
<!ENTITY % block-form "">

<![ %HTML.pSeparator [
        <!ENTITY % obsolete-htext "| %htext">
        <!ENTITY % block-p "">
        ]]>
<!ENTITY % obsolete-htext "| A">
<!ENTITY % block-p "| P ">

<!ENTITY % block "HR | %list | DL
                | %pre | BLOCKQUOTE | ADDRESS 
                %block-form %block-p">


<![ %HTML.bodyBlockOnly [
        <!ENTITY % current-htext "">
        ]]>
<!ENTITY % current-htext "| %htext">

<!ENTITY % body-content "%heading | %block %current-htext">
<!ELEMENT BODY O O  (%body-content)*>


<!ELEMENT A     - - (%heading|%block|%text)+ -(A)
        -- @# Technically, this allows silliness like:
                <H2><A>xyz<H1>h1</H1></A></H2>
        The right way to do anchors outside of %htext is more like:
                <as id=z1><H2>lkjlkj</h2><ae start=z1>
        -->
<!ATTLIST A
        %linkattributes;
        >

<!ELEMENT IMG    - O EMPTY --  Embedded image -->
<!ATTLIST IMG
        SRC %URI;  #IMPLIED     -- URI of document to embed --
        ALT CDATA #IMPLIED
        ALIGN (top|middle|bottom) #IMPLIED
        ISMAP (ISMAP) #IMPLIED
        >


<![ %HTML.pSeparator [ <!ENTITY % p-content "EMPTY"> ]]>
<!ENTITY % p-content "(%htext)+">
<!ELEMENT P     - O %p-content>
<!ELEMENT HR    - O EMPTY -- horizontal rule -->
<!ELEMENT BR    - O EMPTY -- @# BR -> &br; -->

<!ELEMENT ( %heading )  - -  (%htext;)+>

<!ELEMENT DL    - -  (DT*, DD?)+>
<!ATTLIST DL
        COMPACT (COMPACT) #IMPLIED>

<!ELEMENT DT    - O (%htext)+>
<!ELEMENT DD    - O (%htext|%block)+>

<!ELEMENT (%list) - -  (LI)+>

<!ELEMENT LI    - O (%htext|%block)+>

<!ELEMENT BLOCKQUOTE - - (%htext|%block)+ -- @# Hmm... --
        -- for quoting some other source -->

<!ELEMENT ADDRESS - - (%htext;|%block)+>

<!ELEMENT PRE - - (#PCDATA|%pre-inline|A)+>
<!ATTLIST PRE
        WIDTH NUMBER #implied
        >

<!-- Mnemonic character entities. -->

<!ENTITY % ISOlat1 PUBLIC
  "ISO 8879:1986//ENTITIES Added Latin 1//EN">
%ISOlat1;

<!ENTITY #DEFAULT SDATA "&#38;unkown;" --display the markup-->
<!ENTITY amp CDATA "&#38;"     -- ampersand -->
<!ENTITY gt CDATA "&#62;"      -- greater than -->
<!ENTITY lt CDATA "&#60;"      -- less than -->
<!ENTITY quot CDATA "&#34;"    -- double quote -->

<!-- Processing Entities -->

<!ENTITY nbsp "<? nonbreaking-space>">
<!-- @# should add entites for processing instructions
        for line break, centering, etc. -->


<!-- Forms  -->
<![ %HTML.forms [

<!ENTITY % HTTP-Method "(GET | POST)">
<!ELEMENT FORM - - (%body-content)* -(FORM) +(INPUT|SELECT|TEXTAREA)>
<!ATTLIST FORM
        ACTION %URI #REQUIRED
        METHOD %HTTP-Method #IMPLIED -- @# MAILTO? --
        ENCTYPE %Content-Type; #IMPLIED
        >

<!ENTITY % InputType "(TEXT | PASSWORD | CHECKBOX |
                        RADIO | SUBMIT | RESET |
                        IMAGE | HIDDEN )">
<!ELEMENT INPUT - O EMPTY>
<!ATTLIST INPUT
        TYPE %InputType #IMPLIED -- @# defaults to TEXT?? --
        NAME CDATA #IMPLIED -- required for all but submit and reset --
        VALUE CDATA #IMPLIED
        SRC %URI #IMPLIED -- for image inputs -- 
        CHECKED (CHECKED) #IMPLIED
        SIZE CDATA #IMPLIED -- @# should be NUMBERS: delimit with space, not comma --
        MAXLENGTH NUMBER #IMPLIED
        ALIGN (top|middle|bottom|left|center|right) #IMPLIED --@#supported?--
        >

<!ELEMENT SELECT - - (OPTION+)>
<!ATTLIST SELECT
        NAME CDATA #REQUIRED
        SIZE NUMBER #IMPLIED
        MULTIPLE (MULTIPLE) #IMPLIED
        >

<!ELEMENT OPTION - O (#PCDATA)>
<!ATTLIST OPTION
        SELECTED (SELECTED) #IMPLIED
        VALUE CDATA #IMPLIED
        >

<!ELEMENT TEXTAREA - - (#PCDATA)>
<!ATTLIST TEXTAREA
        NAME CDATA #REQUIRED
        ROWS NUMBER #REQUIRED -- @#implied? --
        COLS NUMBER #REQUIRED
        >
]]>

<!-- Obsolete Elements  -->

<![ %HTML.litCDATA [ <!ENTITY % lit-content "CDATA"> ]]>
<!ENTITY % lit-content "RCDATA">
<!ELEMENT (%literal) - -  %lit-content>

<![ %HTML.PLAINTEXT [
<!ELEMENT PLAINTEXT - O EMPTY>
]]>
1	<!-- html.dtd
2
3	Document Type Definition for the HyperText Markup Language
4	as used by the World Wide Web application (HTML DTD).
5
6	$Id: html.dtd,v 1.11 1994/04/30 03:17:56 connolly Exp $
7
8	-->
9
10	<!-- Feature Test Entities -->
11
12	<!-- To use these, write your document like:
13	<!DOCTYPE HTML [
14	<!ENTITY % HTML.Optional "INCLUDE">
15	<!ENTITY % html PUBLIC "-//connolly hal.com//DTD WWW HTML 1.8//EN">
16	%html;
17	]>
18	<TITLE>Here's my doc</TITLE>
19	<p>It uses lots of optional features
20
21	In practice, if you're using sgmls to validate your docs,
22	you can stick the <!DOCTYPE [...]> in a separate file and
23	validate with:
24	sgmls -s doctype.sgml foo.html
25	-->
26
27	<!ENTITY % HTML.Minimal "IGNORE">
28	<!ENTITY % HTML.Obsolete "IGNORE">
29	<!ENTITY % HTML.Prescriptive "IGNORE">
30
31	<![ %HTML.Minimal [
32	<!ENTITY % HTML.linkRelationships "IGNORE">
33	<!ENTITY % HTML.linkMethods "IGNORE">
34	<!ENTITY % HTML.linkRedundantInfo "IGNORE">
35	<!ENTITY % HTML.forms "IGNORE">
36	<!-- @@ nested lists -->
37	<!-- @@ phrases -->
38	<!-- @@ headers inside A -->
39	<!-- @@ nested phrases, fonts -->
40	]]>
41
42	<![ %HTML.Obsolete [
43	<!ENTITY % HTML.titleCDATA "INCLUDE">
44	<!ENTITY % HTML.litCDATA "INCLUDE">
45	<!ENTITY % HTML.pSeparator "INCLUDE">
46	]]>
47
48	<![ %HTML.Prescriptive [
49	<!--
50	This feature test entity prescribes that certain
51	idioms detract from the structural integrity of an
52	HTML document, and are therefore disallowed.
53	-->
54	<!ENTITY % HTML.font-phrase "IGNORE">
55	<!ENTITY % HTML.anchorNameCDATA "IGNORE">
56	<!ENTITY % HTML.PLAINTEXT "IGNORE">
57	<!ENTITY % HTML.bodyBlockOnly "INCLUDE">
58	]]>
59
60	<!ENTITY HTML.Version
61	"-//connolly hal.com//DTD WWW HTML $Date 1994/04/19 17:24:06 $//EN"
62	-- public identifier for "default" version --
63	-- actually, take the $'s out to get the real public identifer, --
64	-- since $ is illegal in public identifier. When DTD stabilizes, --
65	-- we'll need to stop using RCS keywords to version the pub id --
66	>
67
68	<!ENTITY % HTML.bodyBlockOnly "IGNORE"
69	-- only allow block elements in the BODY element
70	This means all paragraphs need to start with a <P> tag.
71	-->
72
73	<!ENTITY % HTML.pSeparator "IGNORE"
74	-- use P element as paragraph separator, rather that container.
75	-->
76
77	<!ENTITY % HTML.linkRelationships "INCLUDE"
78	-- Adding markup to links to show the relationship between
79	ends of a link
80	see http://info.cern.ch/hypertext/WWW/MarkUp/Relationships.html
81	-->
82
83	<!ENTITY % HTML.linkMethods "INCLUDE"
84	-- Adding markup to links to show the methods supported
85	by the referent object
86	see http://info.cern.ch/hypertext/WWW/MarkUp/Elements/A.html
87	-->
88
89	<!ENTITY % HTML.linkRedundantInfo "INCLUDE"
90	-- Adding markup to links to give redundant information
91	like URN, content type, title...
92	-->
93
94	<!ENTITY % HTML.anchorNameCDATA "INCLUDE"
95	-- Anchor names should be distinct. SGML parser can validate
96	this if the NAME attribute of the A element is declared as ID.
97	But that restricts the syntax of an anchor name to an SGML name,
98	i.e. a letter followed by letters, numbers, periods and dashes,
99	up to NAMELEN (34) characters long.
100	-->
101
102	<!ENTITY % HTML.PLAINTEXT "INCLUDE"
103	-- Support for the <PLAINTEXT> tag as a sign of the
104	end of th HTML data stream and the beginning of a stream
105	of text/plain data
106	-->
107
108	<!ENTITY % HTML.titleCDATA "IGNORE"
109	-- Is the TITLE element #PCDATA, RCDATA, or CDATA content?
110	On Mosaic, it's #PCDATA, but in the linemode browser,
111	it's more like CDATA, but not quite.
112	-->
113
114	<!ENTITY % HTML.NEXTID "INCLUDE"
115	-- Used by the NeXT implementation to keep track of the
116	next anchor id to use
117	-->
118
119	<!ENTITY % HTML.font-phrase "INCLUDE"
120	-- allow B, I, TT, U outside PRE,
121	CITE, VAR, etc. inside PRE
122	-->
123
124	<!ENTITY % HTML.KEY "IGNORE"
125	-- There was once a KEY element, for keyboard keys, menu items,
126	buttons, etc. but it's not supported or widely documented
127	-->
128
129	<!ENTITY % HTML.U "IGNORE"
130	-- There was also a U element, but since it clashes with
131	the common pracitce of underlining hypertext links, it is
132	not widely supported
133	-->
134
135	<!ENTITY % HTML.litCDATA "IGNORE"
136	-- treat XMP, LISTING as CDATA, as per linemodeWWW
137	-->
138
139	<!ENTITY % HTML.forms "INCLUDE"
140	-- Support for forms as per
141	http://www.ncsa.uiuc.edu/SDG/Software/Mosaic/Docs/fill-out-forms/overview.html
142	-->
143
144	<!-- DTD definitions -->
145
146	<!ENTITY % heading "H1\|H2\|H3\|H4\|H5\|H6" >
147	<!ENTITY % list " UL \| OL \| DIR \| MENU ">
148	<!ENTITY % literal " XMP \| LISTING ">
149
150	<!ENTITY % URI "CDATA"
151	-- The term URI means a CDATA attribute
152	whose value is a Uniform Resource Identifier,
153	as defined by
154	"Universal Resource Identifiers" by Tim Berners-Lee
155	aka http://info.cern.ch/hypertext/WWW/Addressing/URL/URI_Overview.html
156
157	Note that CDATA attributes are limited by the LITLEN
158	capacity (1024 in the current version of html.decl),
159	so that URIs in HTML have a bounded length.
160
161	@@ Need to discuss relative addresses.
162	-->
163
164	<!ENTITY % Content-Type "CDATA"
165	-- meaning a MIME content type, as per RFC1521
166	-->
167
168	<![ %HTML.anchorNameCDATA [ <!ENTITY % anchor-name "CDATA"> ]]>
169	<!ENTITY % anchor-name "ID">
170
171	<![ %HTML.linkRelationships [ <!ENTITY % linkRelAttrs "
172	REL CDATA #IMPLIED -- forward relationship type --
173	REV CDATA #IMPLIED -- reversed relationship type
174	to referent data:
175
176	PARENT CHILD, SIBLING, NEXT, TOP,
177	DEFINITION, UPDATE, ORIGINAL etc. --
178	"> ]]>
179	<!ENTITY % linkRelAttrs "">
180
181	<![ %HTML.linkRedundantInfo [ <!ENTITY % linkRedundantAttrs "
182	URN CDATA #IMPLIED -- universal resource number --
183
184	TITLE CDATA #IMPLIED -- advisory only --
185	"> ]]>
186	<!ENTITY % linkRedundantAttrs "">
187
188	<![ %HTML.linkMethods [ <!ENTITY % linkMethodAttrs "
189	METHODS NAMES #IMPLIED -- supported public methods of the object:
190	TEXTSEARCH, GET, HEAD, ... --
191	"> ]]>
192	<!ENTITY % linkMethodAttrs "">
193
194	<!ENTITY % linkattributes
195	"NAME %anchor-name #IMPLIED
196	HREF %URI; #IMPLIED
197	%linkRelAttrs;
198	%linkRedundantAttrs;
199	%linkMethodAttrs;
200	">
201
202
203	<!-- Document Element -->
204
205
206	<![ %HTML.PLAINTEXT [ <!ENTITY % obsolete-plaintext ", PLAINTEXT?"> ]]>
207	<!ENTITY % obsolete-plaintext "">
208
209	<!ENTITY % html-content "HEAD, BODY %obsolete-plaintext;">
210	<!ELEMENT HTML O O (%html-content)>
211
212	<![ %HTML.NEXTID [ <!ENTITY % head-content "TITLE? & ISINDEX? & LINK* & BASE?
213	& NEXTID?"> ]]>
214	<!ENTITY % head-content "TITLE & ISINDEX? & LINK* & BASE?">
215	<!ELEMENT HEAD O O (%head-content)>
216
217	<![ %HTML.titleCDATA [ <!ENTITY % title-content "CDATA"> ]]>
218	<!ENTITY % title-content "(#PCDATA)">
219	<!ELEMENT TITLE - - %title-content
220	-- The TITLE element is not considered part of the flow of text.
221	It should be displayed, for example as the page header or
222	window title.
223	-->
224
225	<!ELEMENT ISINDEX - O EMPTY
226	-- WWW clients should offer the option to perform a search on
227	documents containing ISINDEX.
228	-->
229
230	<!ELEMENT NEXTID - O EMPTY>
231	<!ATTLIST NEXTID N %anchor-name #REQUIRED
232	-- The number should be a name suitable for use
233	for the ID of a new element. When used, the value
234	has its numeric part incremented. EG Z67 becomes Z68
235	-->
236	<!ELEMENT LINK - O EMPTY>
237	<!ATTLIST LINK
238	%linkattributes>
239
240	<!ELEMENT BASE - O EMPTY -- Reference context for URIs -->
241	<!ATTLIST BASE
242
243	HREF %URI; #REQUIRED
244
245	>
246
247	<![ %HTML.KEY [
248	<!ENTITY % key-emph "\| KEY">
249	]]>
250	<!ENTITY % key-emph "">
251
252	<![ %HTML.U [
253	<!ENTITY % u-font "\| U">
254	]]>
255	<!ENTITY % u-font "">
256
257	<!ENTITY % font "TT \| B \| I %u-font">
258	<!ENTITY % phrase "EM \| STRONG \| CODE \| SAMP \| KBD \| VAR \| DFN \| CITE
259	\| STRIKE %key-emph">
260
261
262	<![ %HTML.font-phrase [
263	<!ENTITY % obsolete-font "\| %font">
264	<!ENTITY % obsolete-phrase "\| %phrase">
265	]]>
266	<!ENTITY % obsolete-font "">
267	<!ENTITY % obsolete-phrase "">
268	<![ %HTML.pSeparator [
269	<!ENTITY % obsolete-p "\| P">
270	]]>
271	<!ENTITY % obsolete-p "">
272
273	<!ENTITY % inline "%phrase %obsolete-font">
274	<!ENTITY % pre-inline "%font %obsolete-phrase %obsolete-p">
275
276	<!ENTITY % text "#PCDATA \| IMG \| %inline \| BR %obsolete-p">
277
278	<!ENTITY % htext "A \| %text" -- Plus links, no structure -->
279
280	<![ %HTML.font-phrase [ <!ENTITY % font-content "(%htext)+"> ]]>
281	<!ENTITY % font-content "#PCDATA">
282	<!ELEMENT (%font;) - - (%font-content;)>
283
284	<!ELEMENT (%phrase;) - - (%htext)+>
285
286	<!ENTITY % pre "PRE \| XMP \| LISTING">
287
288	<![ %HTML.forms [ <!ENTITY % block-form "\| FORM \| ISINDEX"> ]]>
289	<!ENTITY % block-form "">
290
291	<![ %HTML.pSeparator [
292	<!ENTITY % obsolete-htext "\| %htext">
293	<!ENTITY % block-p "">
294	]]>
295	<!ENTITY % obsolete-htext "\| A">
296	<!ENTITY % block-p "\| P ">
297
298	<!ENTITY % block "HR \| %list \| DL
299	\| %pre \| BLOCKQUOTE \| ADDRESS
300	%block-form %block-p">
301
302
303	<![ %HTML.bodyBlockOnly [
304	<!ENTITY % current-htext "">
305	]]>
306	<!ENTITY % current-htext "\| %htext">
307
308	<!ENTITY % body-content "%heading \| %block %current-htext">
309	<!ELEMENT BODY O O (%body-content)*>
310
311
312	<!ELEMENT A - - (%heading\|%block\|%text)+ -(A)
313	-- @# Technically, this allows silliness like:
314	<H2><A>xyz<H1>h1</H1></A></H2>
315	The right way to do anchors outside of %htext is more like:
316	<as id=z1><H2>lkjlkj</h2><ae start=z1>
317	-->
318	<!ATTLIST A
319	%linkattributes;
320	>
321
322	<!ELEMENT IMG - O EMPTY -- Embedded image -->
323	<!ATTLIST IMG
324	SRC %URI; #IMPLIED -- URI of document to embed --
325	ALT CDATA #IMPLIED
326	ALIGN (top\|middle\|bottom) #IMPLIED
327	ISMAP (ISMAP) #IMPLIED
328	>
329
330
331	<![ %HTML.pSeparator [ <!ENTITY % p-content "EMPTY"> ]]>
332	<!ENTITY % p-content "(%htext)+">
333	<!ELEMENT P - O %p-content>
334	<!ELEMENT HR - O EMPTY -- horizontal rule -->
335	<!ELEMENT BR - O EMPTY -- @# BR -> &br; -->
336
337	<!ELEMENT ( %heading ) - - (%htext;)+>
338
339	<!ELEMENT DL - - (DT*, DD?)+>
340	<!ATTLIST DL
341	COMPACT (COMPACT) #IMPLIED>
342
343	<!ELEMENT DT - O (%htext)+>
344	<!ELEMENT DD - O (%htext\|%block)+>
345
346	<!ELEMENT (%list) - - (LI)+>
347
348	<!ELEMENT LI - O (%htext\|%block)+>
349
350	<!ELEMENT BLOCKQUOTE - - (%htext\|%block)+ -- @# Hmm... --
351	-- for quoting some other source -->
352
353	<!ELEMENT ADDRESS - - (%htext;\|%block)+>
354
355	<!ELEMENT PRE - - (#PCDATA\|%pre-inline\|A)+>
356	<!ATTLIST PRE
357	WIDTH NUMBER #implied
358	>
359
360	<!-- Mnemonic character entities. -->
361
362	<!ENTITY % ISOlat1 PUBLIC
363	"ISO 8879:1986//ENTITIES Added Latin 1//EN">
364	%ISOlat1;
365
366	<!ENTITY #DEFAULT SDATA "&unkown;" --display the markup-->
367	<!ENTITY amp CDATA "&" -- ampersand -->
368	<!ENTITY gt CDATA ">" -- greater than -->
369	<!ENTITY lt CDATA "<" -- less than -->
370	<!ENTITY quot CDATA """ -- double quote -->
371
372	<!-- Processing Entities -->
373
374	<!ENTITY nbsp "<? nonbreaking-space>">
375	<!-- @# should add entites for processing instructions
376	for line break, centering, etc. -->
377
378
379	<!-- Forms -->
380	<![ %HTML.forms [
381
382	<!ENTITY % HTTP-Method "(GET \| POST)">
383	<!ELEMENT FORM - - (%body-content)* -(FORM) +(INPUT\|SELECT\|TEXTAREA)>
384	<!ATTLIST FORM
385	ACTION %URI #REQUIRED
386	METHOD %HTTP-Method #IMPLIED -- @# MAILTO? --
387	ENCTYPE %Content-Type; #IMPLIED
388	>
389
390	<!ENTITY % InputType "(TEXT \| PASSWORD \| CHECKBOX \|
391	RADIO \| SUBMIT \| RESET \|
392	IMAGE \| HIDDEN )">
393	<!ELEMENT INPUT - O EMPTY>
394	<!ATTLIST INPUT
395	TYPE %InputType #IMPLIED -- @# defaults to TEXT?? --
396	NAME CDATA #IMPLIED -- required for all but submit and reset --
397	VALUE CDATA #IMPLIED
398	SRC %URI #IMPLIED -- for image inputs --
399	CHECKED (CHECKED) #IMPLIED
400	SIZE CDATA #IMPLIED -- @# should be NUMBERS: delimit with space, not comma --
401	MAXLENGTH NUMBER #IMPLIED
402	ALIGN (top\|middle\|bottom\|left\|center\|right) #IMPLIED --@#supported?--
403	>
404
405	<!ELEMENT SELECT - - (OPTION+)>
406	<!ATTLIST SELECT
407	NAME CDATA #REQUIRED
408	SIZE NUMBER #IMPLIED
409	MULTIPLE (MULTIPLE) #IMPLIED
410	>
411
412	<!ELEMENT OPTION - O (#PCDATA)>
413	<!ATTLIST OPTION
414	SELECTED (SELECTED) #IMPLIED
415	VALUE CDATA #IMPLIED
416	>
417
418	<!ELEMENT TEXTAREA - - (#PCDATA)>
419	<!ATTLIST TEXTAREA
420	NAME CDATA #REQUIRED
421	ROWS NUMBER #REQUIRED -- @#implied? --
422	COLS NUMBER #REQUIRED
423	>
424	]]>
425
426	<!-- Obsolete Elements -->
427
428	<![ %HTML.litCDATA [ <!ENTITY % lit-content "CDATA"> ]]>
429	<!ENTITY % lit-content "RCDATA">
430	<!ELEMENT (%literal) - - %lit-content>
431
432	<![ %HTML.PLAINTEXT [
433	<!ELEMENT PLAINTEXT - O EMPTY>
434	]]>