Re: Perceived Consensus: No ICADD in HTML 2.0

"Daniel W. Connolly" <connolly@hal.com>
Date: Fri, 7 Oct 94 19:01:40 EDT
Message-id: <9410072301.AA01355@ulua.hal.com>
Reply-To: connolly@hal.com
Originator: html-wg@oclc.org
Sender: html-wg@oclc.org
Precedence: bulk
From: "Daniel W. Connolly" <connolly@hal.com>
To: Multiple recipients of list <html-wg@oclc.org>
Subject: Re: Perceived Consensus: No ICADD in HTML 2.0 
X-Listprocessor-Version: 6.0c -- ListProcessor by Anastasios Kotsikonas
X-Comment: HTML Working Group (Private)
In message <m0qtNvA-000EUqC@sq.com>, Yuri Rubinsky writes:
>
>My sense was that there was a desire to incorporate the fixed SDA attributes
>that allow HTML files to be then transformed for the visually impaired --

Agreed.

>which is the relateively straightforward job that Jeff Suttor and I 
>volunteered for and which gets done the minute the DTD is completely
>stable

I suggest you get to it. The relevant document is:

	http://www.hal.com/%7Econnolly/html-spec/html.dtd
	$Id: html.dtd,v 1.20 1994/09/26 16:10:19 connolly Exp $

For your convenience, I'll include it below...

Let's see... yes. The typo in the comment is fixed in that version.

I can't guarantee that there will be no more revisions, but I can't
guarantee that the Spyglass folks won't start without you if you don't
act fast!

Dan

To be sure it didn't get garbled in transmission, here's the sunos 'sum'
output:

connolly@ulua ../html-spec[695] sum html.dtd
26387    10

<!--	html.dtd

        Document Type Definition for the HyperText Markup Language (HTML DTD)

	$Id: html.dtd,v 1.20 1994/09/26 16:10:19 connolly Exp $

	Author: Daniel W. Connolly <connolly@hal.com>
	See Also: html.decl, html-0.dtd, html-1.dtd
		  http://www.hal.com/%7Econnolly/html-spec/index.html
		  http://info.cern.ch/hypertext/WWW/MarkUp2/MarkUp.html
-->

<!ENTITY % HTML.Version
	"-//IETF//DTD HTML//EN//2.0"

        -- Typical usage:

            <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
	    <html>
	    ...
	    </html>
	--
	>


<!--================== Feature Test Entities ==============================-->

<!ENTITY % HTML.Recommended "IGNORE"
	-- Certain features of the language are necessary for compatibility
	   with widespread usage, but they may compromise the structural
	   integrity of a document. This feature test entity enables
	   a more prescriptive document type definition that eliminates
	   the above features.
	-->

<![ %HTML.Recommended [
	<!ENTITY % HTML.Deprecated "IGNORE">
]]>

<!ENTITY % HTML.Deprecated "INCLUDE"
	-- Certain features of the language are necessary for compatibility
	   with earlier versions of the specification, but they tend
	   to be used an implemented inconsistently, and their use is
	   deprecated. This feature test entity enables a document type
	   definition that eliminates these features.
	-->

<!ENTITY % HTML.Highlighting "INCLUDE">
<!ENTITY % HTML.Forms "INCLUDE">

<!--================== Imported Names =====================================-->

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

<!ENTITY % HTTP-Method "GET | POST"
	-- as per HTTP specification
	-->

<!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
	aka RFC 1630

	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.

        -->


<!-- DTD "macros" -->

<!ENTITY % heading "H1|H2|H3|H4|H5|H6">

<!ENTITY % list " UL | OL | DIR | MENU " >


<!--================ Character mnemonic entities ==========================-->

<!ENTITY % ISOlat1 PUBLIC
  "-//IETF//ENTITIES Added Latin 1 for HTML//EN">
%ISOlat1;

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


<!--=================== Text Markup =======================================-->

<![ %HTML.Highlighting [

<!ENTITY % font " TT | B | I ">

<!ENTITY % phrase "EM | STRONG | CODE | SAMP | KBD | VAR | CITE ">

<!ENTITY % text "#PCDATA | A | IMG | BR | %phrase | %font">

<!ENTITY % pre.content "#PCDATA | A | HR | BR | %font | %phrase">

<!ELEMENT (%font;|%phrase) - - (%text)+>

]]>

<!ENTITY % text "#PCDATA | A | IMG | BR">

<!ELEMENT BR    - O EMPTY>


<!--================== Link Markup ========================================-->

<![ %HTML.Recommended [
	<!ENTITY % linkName "ID">
]]>

<!ENTITY % linkName "CDATA">

<!ENTITY % linkType "NAME"
	-- a list of these will be specified at a later date -->

<!ENTITY % linkExtraAttributes
        "REL %linkType #IMPLIED -- forward relationship type --
        REV %linkType #IMPLIED -- reversed relationship type
                              to referent data --
        URN CDATA #IMPLIED -- universal resource number --

        TITLE CDATA #IMPLIED -- advisory only --
        METHODS NAMES #IMPLIED -- supported public methods of the object:
                                        TEXTSEARCH, GET, HEAD, ... --
        ">

<![ %HTML.Recommended [
	<!ENTITY % A.content   "(%text)+"
	-- <H1><a name="xxx">Heading</a></H1>
		is preferred to
	   <a name="xxx"><H1>Heading</H1></a>
	-->
]]>

<!ENTITY % A.content   "(%heading|%text)+">

<!ELEMENT A     - - %A.content -(A)>

<!ATTLIST A
	HREF %URI #IMPLIED
	NAME %linkName #IMPLIED
        %linkExtraAttributes;
        >

<!--=================== Images ============================================-->

<!ENTITY % img.alt.default "#IMPLIED"
	-- ALT attribute required in Level 0 docs -->

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


<!--=================== Paragraphs=========================================-->

<!ELEMENT P     - O (%text)+>


<!--=================== Headings, Titles, Sections ========================-->

<!ELEMENT HR    - O EMPTY -- horizontal rule -->

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

<!ELEMENT TITLE - -  (#PCDATA)
          -- 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.
          -->


<!--=================== Text Flows ========================================-->

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

<!ENTITY % block.forms "">

<![ %HTML.Deprecated [
	<!ENTITY % preformatted "PRE | XMP | LISTING">
]]>

<!ENTITY % preformatted "PRE">

<!ENTITY % block "P | %list | DL
	| %preformatted
	| BLOCKQUOTE %block.forms">

<!ENTITY % flow "(%text|%block)*">

<!ENTITY % pre.content "#PCDATA | A | HR | BR">
<!ELEMENT PRE - - (%pre.content)+>

<!ATTLIST PRE
        WIDTH NUMBER #implied
        >

<![ %HTML.Deprecated [

<!ENTITY % literal "CDATA"
	-- special non-conforming parsing mode where
	   the only markup signal is the end tag
	   in full
	-->

<!ELEMENT XMP - -  %literal>
<!ELEMENT LISTING - -  %literal>
<!ELEMENT PLAINTEXT - O %literal>

]]>


<!--=================== Lists =============================================-->

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

<!ELEMENT DT    - O (%text)+>
<!ELEMENT DD    - O %flow>

<!ELEMENT (OL|UL) - -  (LI)+>
<!ELEMENT (DIR|MENU) - -  (LI)+ -(%block)>
<!ATTLIST (%list)
	COMPACT (COMPACT) #IMPLIED>

<!ELEMENT LI    - O %flow>

<!--=================== Document Body =====================================-->

<![ %HTML.Recommended [
	<!ENTITY % body.content "(%heading|%block|HR|ADDRESS)*"
	-- <h1>Heading</h1>
	   <p>Text ...
		is preferred to
	   <h1>Heading</h1>
	   Text ...
	-->
]]>

<!ENTITY % body.content "(%heading | %text | %block | HR | ADDRESS)*">

<!ELEMENT BODY O O  %body.content>

<!ELEMENT BLOCKQUOTE - - %body.content>

<![ %HTML.Recommended [
	<!ENTITY % address.content "(%text)*">
]]>
<!ENTITY % address.content "(%text|P)*">
<!ELEMENT ADDRESS - - %address.content>


<!--================ Forms ===============================================-->

<![ %HTML.Forms [

<!ELEMENT FORM - - %body.content -(FORM) +(INPUT|SELECT|TEXTAREA)>
<!ATTLIST FORM
	ACTION %URI #REQUIRED
	METHOD (%HTTP-Method) GET
	ENCTYPE %Content-Type; "application/x-www-form-urlencoded"
	>

<!ENTITY % InputType "(TEXT | PASSWORD | CHECKBOX |
			RADIO | SUBMIT | RESET |
			IMAGE | HIDDEN )">
<!ELEMENT INPUT - O EMPTY>
<!ATTLIST INPUT
	TYPE %InputType 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 -- like NUMBERS,
				 but delimited with comma, not space --
	MAXLENGTH NUMBER #IMPLIED
	ALIGN (top|middle|bottom) #IMPLIED
	>

<!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
	COLS NUMBER #REQUIRED
	>

]]>


<!--================ Document Head ========================================-->

<!ENTITY % head.link "& LINK*">

<![ %HTML.Recommended [
	<!ENTITY % head.nextid "">
]]>
<!ENTITY % head.nextid "& NEXTID?">

<!ENTITY % head.content "TITLE & ISINDEX? & BASE? & META*
			 %head.nextid
			 %head.link">

<!ELEMENT HEAD O O  (%head.content)>

<!ELEMENT LINK - O EMPTY>
<!ATTLIST LINK
	HREF %URI #REQUIRED
        %linkExtraAttributes; >

<!ELEMENT ISINDEX - O EMPTY>

<!ELEMENT BASE - O EMPTY>
<!ATTLIST BASE
        HREF %URI; #REQUIRED
        >

<!ELEMENT NEXTID - O EMPTY>
<!ATTLIST NEXTID N %linkName #REQUIRED>

<!ELEMENT META - O EMPTY    -- Generic Metainformation -->
<!ATTLIST META
        HTTP-EQUIV  NAME    #IMPLIED  -- HTTP response header name  --
        NAME        NAME    #IMPLIED  -- metainformation name       --
        CONTENT     CDATA   #REQUIRED -- associated information     --
        >


<!--================ Document Structure ===================================-->

<![ %HTML.Deprecated [
	<!ENTITY % html.content "HEAD, BODY, PLAINTEXT?">
]]>
<!ENTITY % html.content "HEAD, BODY">

<!ELEMENT HTML O O  (%html.content)>
<!ENTITY % version.attr "VERSION CDATA #FIXED &#34;%HTML.Version;&#34;">

<!ATTLIST HTML
	%version.attr;-- report DTD version to application --
	>