pub/test/html.dtd

<!--    html.dtd

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

        $Id: html.dtd,v 1.13 1994/05/18 17:23:29 connolly Exp $

        Author: Daniel W. Connolly <connolly@hal.com>
        See Also: http://www.hal.com/%7Econnolly/html-spec/HTML.html
                  http://info.cern.ch/hypertext/WWW/MarkUp2/MarkUp.html
-->

<!ENTITY HTML.Version
        "-//W3O//DTD WWW HTML 2.0//EN"
        -- public identifier for "current pracitice" version             -- 

        -- Typical usage:

            <!DOCTYPE HTML PUBLIC "-//W3O//DTD WWW HTML 2.0//EN">
            <html>
            ...
            </html>
        --
        >


<!-- 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.Level0  "IGNORE">
<!ENTITY % HTML.Obsolete "IGNORE">
<!ENTITY % HTML.Prescriptive "IGNORE">

<![ %HTML.Level0 [
        <!ENTITY % HTML.linkRelationships "IGNORE">
        <!ENTITY % HTML.linkMethods "IGNORE">
        <!ENTITY % HTML.linkRedundantInfo "IGNORE">
        <!ENTITY % HTML.forms "IGNORE">
        <!ENTITY % HTML.phrase "IGNORE">
        <!ENTITY % HTML.NEXTID "IGNORE">
        <!-- @# Are the following required for conformance? -->
        <!-- @# nested lists -->
        <!-- @# IMG -->
        <!-- @# 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.phrase "INCLUDE"
        -- phrase markup, ala TeXinfo: TT, EM, etc.
        -->

<!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.

        -->

<!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 "">

<![ %HTML.phrase [
<!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 % inline "">
<!ENTITY % pre-inline "">

<!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;)>

<![ %HTML.phrase [
<!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	connolly	1.7	<!-- html.dtd
2
3	connolly	1.6	Document Type Definition for the HyperText Markup Language
4	connolly	1.13	as used by the World Wide Web (HTML DTD).
5	connolly	1.5
6	connolly	1.14	$Id: html.dtd,v 1.13 1994/05/18 17:23:29 connolly Exp $
7	connolly	1.11
8	connolly	1.13	Author: Daniel W. Connolly <connolly@hal.com>
9			See Also: http://www.hal.com/%7Econnolly/html-spec/HTML.html
10	connolly	1.14	http://info.cern.ch/hypertext/WWW/MarkUp2/MarkUp.html
11	connolly	1.2	-->
12
13	connolly	1.13	<!ENTITY HTML.Version
14	connolly	1.14	"-//W3O//DTD WWW HTML 2.0//EN"
15	connolly	1.13	-- public identifier for "current pracitice" version --
16
17			-- Typical usage:
18
19	connolly	1.14	<!DOCTYPE HTML PUBLIC "-//W3O//DTD WWW HTML 2.0//EN">
20	connolly	1.13	<html>
21			...
22			</html>
23			--
24			>
25
26
27	connolly	1.8	<!-- Feature Test Entities -->
28
29			<!-- To use these, write your document like:
30			<!DOCTYPE HTML [
31			<!ENTITY % HTML.Optional "INCLUDE">
32			<!ENTITY % html PUBLIC "-//connolly hal.com//DTD WWW HTML 1.8//EN">
33			%html;
34			]>
35			<TITLE>Here's my doc</TITLE>
36			<p>It uses lots of optional features
37
38			In practice, if you're using sgmls to validate your docs,
39			you can stick the <!DOCTYPE [...]> in a separate file and
40			validate with:
41			sgmls -s doctype.sgml foo.html
42			-->
43
44	connolly	1.14	<!ENTITY % HTML.Level0 "IGNORE">
45	connolly	1.8	<!ENTITY % HTML.Obsolete "IGNORE">
46	connolly	1.11	<!ENTITY % HTML.Prescriptive "IGNORE">
47	connolly	1.8
48	connolly	1.14	<![ %HTML.Level0 [
49	connolly	1.8	<!ENTITY % HTML.linkRelationships "IGNORE">
50			<!ENTITY % HTML.linkMethods "IGNORE">
51			<!ENTITY % HTML.linkRedundantInfo "IGNORE">
52			<!ENTITY % HTML.forms "IGNORE">
53	connolly	1.14	<!ENTITY % HTML.phrase "IGNORE">
54			<!ENTITY % HTML.NEXTID "IGNORE">
55			<!-- @# Are the following required for conformance? -->
56			<!-- @# nested lists -->
57			<!-- @# IMG -->
58			<!-- @# headers inside A -->
59			<!-- @# nested phrases, fonts -->
60	connolly	1.8	]]>
61
62			<![ %HTML.Obsolete [
63			<!ENTITY % HTML.titleCDATA "INCLUDE">
64			<!ENTITY % HTML.litCDATA "INCLUDE">
65			<!ENTITY % HTML.pSeparator "INCLUDE">
66			]]>
67
68	connolly	1.11	<![ %HTML.Prescriptive [
69	connolly	1.12	<!--
70			This feature test entity prescribes that certain
71			idioms detract from the structural integrity of an
72			HTML document, and are therefore disallowed.
73			-->
74	connolly	1.11	<!ENTITY % HTML.font-phrase "IGNORE">
75			<!ENTITY % HTML.anchorNameCDATA "IGNORE">
76			<!ENTITY % HTML.PLAINTEXT "IGNORE">
77	connolly	1.12	<!ENTITY % HTML.bodyBlockOnly "INCLUDE">
78	connolly	1.11	]]>
79
80	connolly	1.14	<!ENTITY % HTML.phrase "INCLUDE"
81			-- phrase markup, ala TeXinfo: TT, EM, etc.
82			-->
83
84	connolly	1.12	<!ENTITY % HTML.bodyBlockOnly "IGNORE"
85			-- only allow block elements in the BODY element
86			This means all paragraphs need to start with a <P> tag.
87			-->
88	connolly	1.9
89	connolly	1.8	<!ENTITY % HTML.pSeparator "IGNORE"
90			-- use P element as paragraph separator, rather that container.
91			-->
92
93			<!ENTITY % HTML.linkRelationships "INCLUDE"
94			-- Adding markup to links to show the relationship between
95			ends of a link
96			see http://info.cern.ch/hypertext/WWW/MarkUp/Relationships.html
97			-->
98
99			<!ENTITY % HTML.linkMethods "INCLUDE"
100			-- Adding markup to links to show the methods supported
101			by the referent object
102			see http://info.cern.ch/hypertext/WWW/MarkUp/Elements/A.html
103			-->
104
105			<!ENTITY % HTML.linkRedundantInfo "INCLUDE"
106			-- Adding markup to links to give redundant information
107			like URN, content type, title...
108			-->
109
110	connolly	1.11	<!ENTITY % HTML.anchorNameCDATA "INCLUDE"
111	connolly	1.8	-- Anchor names should be distinct. SGML parser can validate
112			this if the NAME attribute of the A element is declared as ID.
113			But that restricts the syntax of an anchor name to an SGML name,
114			i.e. a letter followed by letters, numbers, periods and dashes,
115			up to NAMELEN (34) characters long.
116			-->
117
118	connolly	1.11	<!ENTITY % HTML.PLAINTEXT "INCLUDE"
119	connolly	1.8	-- Support for the <PLAINTEXT> tag as a sign of the
120			end of th HTML data stream and the beginning of a stream
121			of text/plain data
122			-->
123
124			<!ENTITY % HTML.titleCDATA "IGNORE"
125			-- Is the TITLE element #PCDATA, RCDATA, or CDATA content?
126			On Mosaic, it's #PCDATA, but in the linemode browser,
127			it's more like CDATA, but not quite.
128			-->
129
130	connolly	1.9	<!ENTITY % HTML.NEXTID "INCLUDE"
131	connolly	1.8	-- Used by the NeXT implementation to keep track of the
132			next anchor id to use
133			-->
134
135	connolly	1.11	<!ENTITY % HTML.font-phrase "INCLUDE"
136	connolly	1.8	-- allow B, I, TT, U outside PRE,
137			CITE, VAR, etc. inside PRE
138			-->
139
140	connolly	1.12	<!ENTITY % HTML.KEY "IGNORE"
141			-- There was once a KEY element, for keyboard keys, menu items,
142			buttons, etc. but it's not supported or widely documented
143			-->
144
145			<!ENTITY % HTML.U "IGNORE"
146			-- There was also a U element, but since it clashes with
147			the common pracitce of underlining hypertext links, it is
148			not widely supported
149			-->
150
151	connolly	1.8	<!ENTITY % HTML.litCDATA "IGNORE"
152			-- treat XMP, LISTING as CDATA, as per linemodeWWW
153			-->
154
155			<!ENTITY % HTML.forms "INCLUDE"
156			-- Support for forms as per
157			http://www.ncsa.uiuc.edu/SDG/Software/Mosaic/Docs/fill-out-forms/overview.html
158			-->
159
160	connolly	1.3	<!-- DTD definitions -->
161
162	connolly	1.2	<!ENTITY % heading "H1\|H2\|H3\|H4\|H5\|H6" >
163	connolly	1.6	<!ENTITY % list " UL \| OL \| DIR \| MENU ">
164			<!ENTITY % literal " XMP \| LISTING ">
165	connolly	1.2
166	connolly	1.8	<!ENTITY % URI "CDATA"
167			-- The term URI means a CDATA attribute
168			whose value is a Uniform Resource Identifier,
169			as defined by
170			"Universal Resource Identifiers" by Tim Berners-Lee
171			aka http://info.cern.ch/hypertext/WWW/Addressing/URL/URI_Overview.html
172
173			Note that CDATA attributes are limited by the LITLEN
174			capacity (1024 in the current version of html.decl),
175			so that URIs in HTML have a bounded length.
176	connolly	1.12
177	connolly	1.8	-->
178
179			<!ENTITY % Content-Type "CDATA"
180	connolly	1.12	-- meaning a MIME content type, as per RFC1521
181	connolly	1.8	-->
182	connolly	1.2
183	connolly	1.8	<![ %HTML.anchorNameCDATA [ <!ENTITY % anchor-name "CDATA"> ]]>
184			<!ENTITY % anchor-name "ID">
185	connolly	1.6
186	connolly	1.8	<![ %HTML.linkRelationships [ <!ENTITY % linkRelAttrs "
187	connolly	1.6	REL CDATA #IMPLIED -- forward relationship type --
188			REV CDATA #IMPLIED -- reversed relationship type
189			to referent data:
190
191			PARENT CHILD, SIBLING, NEXT, TOP,
192			DEFINITION, UPDATE, ORIGINAL etc. --
193	connolly	1.8	"> ]]>
194			<!ENTITY % linkRelAttrs "">
195	connolly	1.6
196	connolly	1.8	<![ %HTML.linkRedundantInfo [ <!ENTITY % linkRedundantAttrs "
197	connolly	1.6	URN CDATA #IMPLIED -- universal resource number --
198
199			TITLE CDATA #IMPLIED -- advisory only --
200	connolly	1.8	"> ]]>
201			<!ENTITY % linkRedundantAttrs "">
202	connolly	1.5
203	connolly	1.8	<![ %HTML.linkMethods [ <!ENTITY % linkMethodAttrs "
204	connolly	1.6	METHODS NAMES #IMPLIED -- supported public methods of the object:
205			TEXTSEARCH, GET, HEAD, ... --
206	connolly	1.8	"> ]]>
207			<!ENTITY % linkMethodAttrs "">
208	connolly	1.3
209	connolly	1.8	<!ENTITY % linkattributes
210			"NAME %anchor-name #IMPLIED
211			HREF %URI; #IMPLIED
212			%linkRelAttrs;
213			%linkRedundantAttrs;
214			%linkMethodAttrs;
215	connolly	1.6	">
216
217
218	connolly	1.4	<!-- Document Element -->
219	connolly	1.2
220
221	connolly	1.9	<![ %HTML.PLAINTEXT [ <!ENTITY % obsolete-plaintext ", PLAINTEXT?"> ]]>
222			<!ENTITY % obsolete-plaintext "">
223
224	connolly	1.12	<!ENTITY % html-content "HEAD, BODY %obsolete-plaintext;">
225	connolly	1.8	<!ELEMENT HTML O O (%html-content)>
226
227			<![ %HTML.NEXTID [ <!ENTITY % head-content "TITLE? & ISINDEX? & LINK* & BASE?
228			& NEXTID?"> ]]>
229			<!ENTITY % head-content "TITLE & ISINDEX? & LINK* & BASE?">
230			<!ELEMENT HEAD O O (%head-content)>
231
232			<![ %HTML.titleCDATA [ <!ENTITY % title-content "CDATA"> ]]>
233			<!ENTITY % title-content "(#PCDATA)">
234			<!ELEMENT TITLE - - %title-content
235	connolly	1.6	-- The TITLE element is not considered part of the flow of text.
236			It should be displayed, for example as the page header or
237			window title.
238			-->
239	connolly	1.2
240			<!ELEMENT ISINDEX - O EMPTY
241	connolly	1.6	-- WWW clients should offer the option to perform a search on
242			documents containing ISINDEX.
243			-->
244
245	connolly	1.2	<!ELEMENT NEXTID - O EMPTY>
246	connolly	1.8	<!ATTLIST NEXTID N %anchor-name #REQUIRED
247	connolly	1.6	-- The number should be a name suitable for use
248			for the ID of a new element. When used, the value
249			has its numeric part incremented. EG Z67 becomes Z68
250			-->
251			<!ELEMENT LINK - O EMPTY>
252			<!ATTLIST LINK
253			%linkattributes>
254
255	connolly	1.8	<!ELEMENT BASE - O EMPTY -- Reference context for URIs -->
256	connolly	1.6	<!ATTLIST BASE
257
258	connolly	1.12	HREF %URI; #REQUIRED
259	connolly	1.6
260			>
261	connolly	1.8
262	connolly	1.12	<![ %HTML.KEY [
263			<!ENTITY % key-emph "\| KEY">
264			]]>
265			<!ENTITY % key-emph "">
266
267			<![ %HTML.U [
268			<!ENTITY % u-font "\| U">
269			]]>
270			<!ENTITY % u-font "">
271
272	connolly	1.14	<![ %HTML.phrase [
273	connolly	1.12	<!ENTITY % font "TT \| B \| I %u-font">
274			<!ENTITY % phrase "EM \| STRONG \| CODE \| SAMP \| KBD \| VAR \| DFN \| CITE
275			\| STRIKE %key-emph">
276	connolly	1.8
277	connolly	1.12
278	connolly	1.8	<![ %HTML.font-phrase [
279			<!ENTITY % obsolete-font "\| %font">
280			<!ENTITY % obsolete-phrase "\| %phrase">
281			]]>
282			<!ENTITY % obsolete-font "">
283			<!ENTITY % obsolete-phrase "">
284			<![ %HTML.pSeparator [
285			<!ENTITY % obsolete-p "\| P">
286			]]>
287			<!ENTITY % obsolete-p "">
288	connolly	1.3
289	connolly	1.8	<!ENTITY % inline "%phrase %obsolete-font">
290			<!ENTITY % pre-inline "%font %obsolete-phrase %obsolete-p">
291	connolly	1.14	]]>
292
293			<!ENTITY % inline "">
294			<!ENTITY % pre-inline "">
295	connolly	1.3
296	connolly	1.12	<!ENTITY % text "#PCDATA \| IMG \| %inline \| BR %obsolete-p">
297	connolly	1.6
298			<!ENTITY % htext "A \| %text" -- Plus links, no structure -->
299	connolly	1.4
300	connolly	1.8	<![ %HTML.font-phrase [ <!ENTITY % font-content "(%htext)+"> ]]>
301			<!ENTITY % font-content "#PCDATA">
302			<!ELEMENT (%font;) - - (%font-content;)>
303
304	connolly	1.14	<![ %HTML.phrase [
305	connolly	1.8	<!ELEMENT (%phrase;) - - (%htext)+>
306	connolly	1.14	]]>
307	connolly	1.5
308	connolly	1.8	<!ENTITY % pre "PRE \| XMP \| LISTING">
309	connolly	1.6
310	connolly	1.9	<![ %HTML.forms [ <!ENTITY % block-form "\| FORM \| ISINDEX"> ]]>
311	connolly	1.8	<!ENTITY % block-form "">
312	connolly	1.6
313	connolly	1.8	<![ %HTML.pSeparator [
314			<!ENTITY % obsolete-htext "\| %htext">
315			<!ENTITY % block-p "">
316			]]>
317			<!ENTITY % obsolete-htext "\| A">
318			<!ENTITY % block-p "\| P ">
319	connolly	1.4
320	connolly	1.8	<!ENTITY % block "HR \| %list \| DL
321			\| %pre \| BLOCKQUOTE \| ADDRESS
322			%block-form %block-p">
323
324
325	connolly	1.12	<![ %HTML.bodyBlockOnly [
326			<!ENTITY % current-htext "">
327			]]>
328			<!ENTITY % current-htext "\| %htext">
329
330			<!ENTITY % body-content "%heading \| %block %current-htext">
331	connolly	1.8	<!ELEMENT BODY O O (%body-content)*>
332
333
334	connolly	1.12	<!ELEMENT A - - (%heading\|%block\|%text)+ -(A)
335	connolly	1.8	-- @# Technically, this allows silliness like:
336			<H2><A>xyz<H1>h1</H1></A></H2>
337			The right way to do anchors outside of %htext is more like:
338			<as id=z1><H2>lkjlkj</h2><ae start=z1>
339			-->
340	connolly	1.4	<!ATTLIST A
341	connolly	1.6	%linkattributes;
342			>
343
344			<!ELEMENT IMG - O EMPTY -- Embedded image -->
345			<!ATTLIST IMG
346	connolly	1.8	SRC %URI; #IMPLIED -- URI of document to embed --
347			ALT CDATA #IMPLIED
348			ALIGN (top\|middle\|bottom) #IMPLIED
349			ISMAP (ISMAP) #IMPLIED
350	connolly	1.6	>
351
352
353	connolly	1.8	<![ %HTML.pSeparator [ <!ENTITY % p-content "EMPTY"> ]]>
354			<!ENTITY % p-content "(%htext)+">
355			<!ELEMENT P - O %p-content>
356	connolly	1.6	<!ELEMENT HR - O EMPTY -- horizontal rule -->
357	connolly	1.8	<!ELEMENT BR - O EMPTY -- @# BR -> &br; -->
358	connolly	1.6
359			<!ELEMENT ( %heading ) - - (%htext;)+>
360
361	connolly	1.8	<!ELEMENT DL - - (DT*, DD?)+>
362			<!ATTLIST DL
363	connolly	1.11	COMPACT (COMPACT) #IMPLIED>
364	connolly	1.8
365			<!ELEMENT DT - O (%htext)+>
366			<!ELEMENT DD - O (%htext\|%block)+>
367
368			<!ELEMENT (%list) - - (LI)+>
369	connolly	1.2
370	connolly	1.8	<!ELEMENT LI - O (%htext\|%block)+>
371	connolly	1.2
372	connolly	1.9	<!ELEMENT BLOCKQUOTE - - (%htext\|%block)+ -- @# Hmm... --
373	connolly	1.6	-- for quoting some other source -->
374	connolly	1.3
375	connolly	1.11	<!ELEMENT ADDRESS - - (%htext;\|%block)+>
376	connolly	1.2
377	connolly	1.8	<!ELEMENT PRE - - (#PCDATA\|%pre-inline\|A)+>
378	connolly	1.2	<!ATTLIST PRE
379	connolly	1.6	WIDTH NUMBER #implied
380	connolly	1.2	>
381
382	connolly	1.6	<!-- Mnemonic character entities. -->
383	connolly	1.8
384			<!ENTITY % ISOlat1 PUBLIC
385			"ISO 8879:1986//ENTITIES Added Latin 1//EN">
386			%ISOlat1;
387
388	connolly	1.11	<!ENTITY #DEFAULT SDATA "&unkown;" --display the markup-->
389	connolly	1.12	<!ENTITY amp CDATA "&" -- ampersand -->
390			<!ENTITY gt CDATA ">" -- greater than -->
391			<!ENTITY lt CDATA "<" -- less than -->
392			<!ENTITY quot CDATA """ -- double quote -->
393
394			<!-- Processing Entities -->
395
396	connolly	1.8	<!ENTITY nbsp "<? nonbreaking-space>">
397			<!-- @# should add entites for processing instructions
398			for line break, centering, etc. -->
399	connolly	1.6
400	connolly	1.3
401	connolly	1.8	<!-- Forms -->
402			<![ %HTML.forms [
403
404			<!ENTITY % HTTP-Method "(GET \| POST)">
405	connolly	1.9	<!ELEMENT FORM - - (%body-content)* -(FORM) +(INPUT\|SELECT\|TEXTAREA)>
406	connolly	1.8	<!ATTLIST FORM
407			ACTION %URI #REQUIRED
408			METHOD %HTTP-Method #IMPLIED -- @# MAILTO? --
409			ENCTYPE %Content-Type; #IMPLIED
410			>
411
412			<!ENTITY % InputType "(TEXT \| PASSWORD \| CHECKBOX \|
413			RADIO \| SUBMIT \| RESET \|
414			IMAGE \| HIDDEN )">
415			<!ELEMENT INPUT - O EMPTY>
416			<!ATTLIST INPUT
417			TYPE %InputType #IMPLIED -- @# defaults to TEXT?? --
418			NAME CDATA #IMPLIED -- required for all but submit and reset --
419			VALUE CDATA #IMPLIED
420			SRC %URI #IMPLIED -- for image inputs --
421	connolly	1.11	CHECKED (CHECKED) #IMPLIED
422	connolly	1.8	SIZE CDATA #IMPLIED -- @# should be NUMBERS: delimit with space, not comma --
423			MAXLENGTH NUMBER #IMPLIED
424			ALIGN (top\|middle\|bottom\|left\|center\|right) #IMPLIED --@#supported?--
425			>
426
427			<!ELEMENT SELECT - - (OPTION+)>
428			<!ATTLIST SELECT
429			NAME CDATA #REQUIRED
430			SIZE NUMBER #IMPLIED
431	connolly	1.11	MULTIPLE (MULTIPLE) #IMPLIED
432	connolly	1.8	>
433
434			<!ELEMENT OPTION - O (#PCDATA)>
435			<!ATTLIST OPTION
436	connolly	1.11	SELECTED (SELECTED) #IMPLIED
437	connolly	1.8	VALUE CDATA #IMPLIED
438			>
439
440			<!ELEMENT TEXTAREA - - (#PCDATA)>
441			<!ATTLIST TEXTAREA
442			NAME CDATA #REQUIRED
443			ROWS NUMBER #REQUIRED -- @#implied? --
444			COLS NUMBER #REQUIRED
445			>
446			]]>
447	connolly	1.2
448	connolly	1.12	<!-- Obsolete Elements -->
449
450			<![ %HTML.litCDATA [ <!ENTITY % lit-content "CDATA"> ]]>
451			<!ENTITY % lit-content "RCDATA">
452			<!ELEMENT (%literal) - - %lit-content>
453
454			<![ %HTML.PLAINTEXT [
455			<!ELEMENT PLAINTEXT - O EMPTY>
456			]]>