| <!-- html.dtd | |
| Document Type Definition for the HyperText Markup Language | |
| (HTML DTD) | |
| $Id: html.dtd,v 1.30 1995/09/21 23:30:19 connolly Exp $ | |
| Author: Daniel W. Connolly <connolly@w3.org> | |
| See Also: html.decl, html-1.dtd | |
| http://www.w3.org/hypertext/WWW/MarkUp/MarkUp.html | |
| --> | |
| <!ENTITY % HTML.Version | |
| "-//IETF//DTD HTML 2.0//EN" | |
| -- 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 | |
| those 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 and implemented inconsistently, | |
| and their use is deprecated. This feature test entity | |
| enables a document type definition that eliminates | |
| these features. | |
| --> | |
| <!ENTITY % HTML.Highlighting "INCLUDE" | |
| -- Use this feature test entity to validate that a | |
| document uses no highlighting tags, which may be | |
| ignored on minimal implementations. | |
| --> | |
| <!ENTITY % HTML.Forms "INCLUDE" | |
| -- Use this feature test entity to validate that a document | |
| contains no forms, which may not be supported in minimal | |
| implementations | |
| --> | |
| <!--============== Imported Names ==============================--> | |
| <!ENTITY % Content-Type "CDATA" | |
| -- meaning an internet media type | |
| (aka MIME content type, as per RFC1521) | |
| --> | |
| <!ENTITY % HTTP-Method "GET | POST" | |
| -- as per HTTP specification, in progress | |
| --> | |
| <!--========= DTD "Macros" =====================--> | |
| <!ENTITY % heading "H1|H2|H3|H4|H5|H6"> | |
| <!ENTITY % list " UL | OL | DIR | MENU " > | |
| <!--======= Character mnemonic entities =================--> | |
| <!ENTITY % ISOlat1 PUBLIC | |
| "ISO 8879-1986//ENTITIES Added Latin 1//EN//HTML"> | |
| %ISOlat1; | |
| <!ENTITY amp CDATA "&" -- ampersand --> | |
| <!ENTITY gt CDATA ">" -- greater than --> | |
| <!ENTITY lt CDATA "<" -- less than --> | |
| <!ENTITY quot CDATA """ -- double quote --> | |
| <!--========= SGML Document Access (SDA) Parameter Entities =====--> | |
| <!-- HTML 2.0 contains SGML Document Access (SDA) fixed attributes | |
| in support of easy transformation to the International Committee | |
| for Accessible Document Design (ICADD) DTD | |
| "-//EC-USA-CDA/ICADD//DTD ICADD22//EN". | |
| ICADD applications are designed to support usable access to | |
| structured information by print-impaired individuals through | |
| Braille, large print and voice synthesis. For more information on | |
| SDA & ICADD: | |
| - ISO 12083:1993, Annex A.8, Facilities for Braille, | |
| large print and computer voice | |
| - ICADD ListServ | |
| <ICADD%ASUACAD.BITNET@ARIZVM1.ccit.arizona.edu> | |
| - Usenet news group bit.listserv.easi | |
| - Recording for the Blind, +1 800 221 4792 | |
| --> | |
| <!ENTITY % SDAFORM "SDAFORM CDATA #FIXED" | |
| -- one to one mapping --> | |
| <!ENTITY % SDARULE "SDARULE CDATA #FIXED" | |
| -- context-sensitive mapping --> | |
| <!ENTITY % SDAPREF "SDAPREF CDATA #FIXED" | |
| -- generated text prefix --> | |
| <!ENTITY % SDASUFF "SDASUFF CDATA #FIXED" | |
| -- generated text suffix --> | |
| <!ENTITY % SDASUSP "SDASUSP NAME #FIXED" | |
| -- suspend transform process --> | |
| <!--========== 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"> | |
| <!ELEMENT (%font;|%phrase) - - (%text)*> | |
| <!ATTLIST ( TT | CODE | SAMP | KBD | VAR ) | |
| %SDAFORM; "Lit" | |
| > | |
| <!ATTLIST ( B | STRONG ) | |
| %SDAFORM; "B" | |
| > | |
| <!ATTLIST ( I | EM | CITE ) | |
| %SDAFORM; "It" | |
| > | |
| <!-- <TT> Typewriter text --> | |
| <!-- <B> Bold text --> | |
| <!-- <I> Italic text --> | |
| <!-- <EM> Emphasized phrase --> | |
| <!-- <STRONG> Strong emphasis --> | |
| <!-- <CODE> Source code phrase --> | |
| <!-- <SAMP> Sample text or characters --> | |
| <!-- <KBD> Keyboard phrase, e.g. user input --> | |
| <!-- <VAR> Variable phrase or substitutable --> | |
| <!-- <CITE> Name or title of cited work --> | |
| <!ENTITY % pre.content "#PCDATA | A | HR | BR | %font | %phrase"> | |
| ]]> | |
| <!ENTITY % text "#PCDATA | A | IMG | BR"> | |
| <!ELEMENT BR - O EMPTY> | |
| <!ATTLIST BR | |
| %SDAPREF; "&#RE;" | |
| > | |
| <!-- <BR> Line break --> | |
| <!--========= Link Markup ======================--> | |
| <!ENTITY % linkType "NAMES"> | |
| <!ENTITY % linkExtraAttributes | |
| "REL %linkType #IMPLIED | |
| REV %linkType #IMPLIED | |
| URN CDATA #IMPLIED | |
| TITLE CDATA #IMPLIED | |
| METHODS NAMES #IMPLIED | |
| "> | |
| <![ %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 CDATA #IMPLIED | |
| NAME CDATA #IMPLIED | |
| %linkExtraAttributes; | |
| %SDAPREF; "<Anchor: #AttList>" | |
| > | |
| <!-- <A> Anchor; source/destination of link --> | |
| <!-- <A NAME="..."> Name of this anchor --> | |
| <!-- <A HREF="..."> Address of link destination --> | |
| <!-- <A URN="..."> Permanent address of destination --> | |
| <!-- <A REL=...> Relationship to destination --> | |
| <!-- <A REV=...> Relationship of destination to this --> | |
| <!-- <A TITLE="..."> Title of destination (advisory) --> | |
| <!-- <A METHODS="..."> Operations on destination (advisory) --> | |
| <!--========== Images ==========================--> | |
| <!ELEMENT IMG - O EMPTY> | |
| <!ATTLIST IMG | |
| SRC CDATA #REQUIRED | |
| ALT CDATA #IMPLIED | |
| ALIGN (top|middle|bottom) #IMPLIED | |
| ISMAP (ISMAP) #IMPLIED | |
| %SDAPREF; "<Fig><?SDATrans Img: #AttList>#AttVal(Alt)</Fig>" | |
| > | |
| <!-- <IMG> Image; icon, glyph or illustration --> | |
| <!-- <IMG SRC="..."> Address of image object --> | |
| <!-- <IMG ALT="..."> Textual alternative --> | |
| <!-- <IMG ALIGN=...> Position relative to text --> | |
| <!-- <IMG ISMAP> Each pixel can be a link --> | |
| <!--========== Paragraphs=======================--> | |
| <!ELEMENT P - O (%text)*> | |
| <!ATTLIST P | |
| %SDAFORM; "Para" | |
| > | |
| <!-- <P> Paragraph --> | |
| <!--========== Headings, Titles, Sections ===============--> | |
| <!ELEMENT HR - O EMPTY> | |
| <!ATTLIST HR | |
| %SDAPREF; "&#RE;&#RE;" | |
| > | |
| <!-- <HR> Horizontal rule --> | |
| <!ELEMENT ( %heading ) - - (%text;)*> | |
| <!ATTLIST H1 | |
| %SDAFORM; "H1" | |
| > | |
| <!ATTLIST H2 | |
| %SDAFORM; "H2" | |
| > | |
| <!ATTLIST H3 | |
| %SDAFORM; "H3" | |
| > | |
| <!ATTLIST H4 | |
| %SDAFORM; "H4" | |
| > | |
| <!ATTLIST H5 | |
| %SDAFORM; "H5" | |
| > | |
| <!ATTLIST H6 | |
| %SDAFORM; "H6" | |
| > | |
| <!-- <H1> Heading, level 1 --> | |
| <!-- <H2> Heading, level 2 --> | |
| <!-- <H3> Heading, level 3 --> | |
| <!-- <H4> Heading, level 4 --> | |
| <!-- <H5> Heading, level 5 --> | |
| <!-- <H6> Heading, level 6 --> | |
| <!--========== Text Flows ======================--> | |
| <![ %HTML.Forms [ | |
| <!ENTITY % block.forms "BLOCKQUOTE | FORM | ISINDEX"> | |
| ]]> | |
| <!ENTITY % block.forms "BLOCKQUOTE"> | |
| <![ %HTML.Deprecated [ | |
| <!ENTITY % preformatted "PRE | XMP | LISTING"> | |
| ]]> | |
| <!ENTITY % preformatted "PRE"> | |
| <!ENTITY % block "P | %list | DL | |
| | %preformatted | |
| | %block.forms"> | |
| <!ENTITY % flow "(%text|%block)*"> | |
| <!ENTITY % pre.content "#PCDATA | A | HR | BR"> | |
| <!ELEMENT PRE - - (%pre.content)*> | |
| <!ATTLIST PRE | |
| WIDTH NUMBER #implied | |
| %SDAFORM; "Lit" | |
| > | |
| <!-- <PRE> Preformatted text --> | |
| <!-- <PRE WIDTH=...> Maximum characters per line --> | |
| <![ %HTML.Deprecated [ | |
| <!ENTITY % literal "CDATA" | |
| -- historical, non-conforming parsing mode where | |
| the only markup signal is the end tag | |
| in full | |
| --> | |
| <!ELEMENT (XMP|LISTING) - - %literal> | |
| <!ATTLIST XMP | |
| %SDAFORM; "Lit" | |
| %SDAPREF; "Example:&#RE;" | |
| > | |
| <!ATTLIST LISTING | |
| %SDAFORM; "Lit" | |
| %SDAPREF; "Listing:&#RE;" | |
| > | |
| <!-- <XMP> Example section --> | |
| <!-- <LISTING> Computer listing --> | |
| <!ELEMENT PLAINTEXT - O %literal> | |
| <!-- <PLAINTEXT> Plain text passage --> | |
| <!ATTLIST PLAINTEXT | |
| %SDAFORM; "Lit" | |
| > | |
| ]]> | |
| <!--========== Lists ==================--> | |
| <!ELEMENT DL - - (DT | DD)+> | |
| <!ATTLIST DL | |
| COMPACT (COMPACT) #IMPLIED | |
| %SDAFORM; "List" | |
| %SDAPREF; "Definition List:" | |
| > | |
| <!ELEMENT DT - O (%text)*> | |
| <!ATTLIST DT | |
| %SDAFORM; "Term" | |
| > | |
| <!ELEMENT DD - O %flow> | |
| <!ATTLIST DD | |
| %SDAFORM; "LItem" | |
| > | |
| <!-- <DL> Definition list, or glossary --> | |
| <!-- <DL COMPACT> Compact style list --> | |
| <!-- <DT> Term in definition list --> | |
| <!-- <DD> Definition of term --> | |
| <!ELEMENT (OL|UL) - - (LI)+> | |
| <!ATTLIST OL | |
| COMPACT (COMPACT) #IMPLIED | |
| %SDAFORM; "List" | |
| > | |
| <!ATTLIST UL | |
| COMPACT (COMPACT) #IMPLIED | |
| %SDAFORM; "List" | |
| > | |
| <!-- <UL> Unordered list --> | |
| <!-- <UL COMPACT> Compact list style --> | |
| <!-- <OL> Ordered, or numbered list --> | |
| <!-- <OL COMPACT> Compact list style --> | |
| <!ELEMENT (DIR|MENU) - - (LI)+ -(%block)> | |
| <!ATTLIST DIR | |
| COMPACT (COMPACT) #IMPLIED | |
| %SDAFORM; "List" | |
| %SDAPREF; "<LHead>Directory</LHead>" | |
| > | |
| <!ATTLIST MENU | |
| COMPACT (COMPACT) #IMPLIED | |
| %SDAFORM; "List" | |
| %SDAPREF; "<LHead>Menu</LHead>" | |
| > | |
| <!-- <DIR> Directory list --> | |
| <!-- <DIR COMPACT> Compact list style --> | |
| <!-- <MENU> Menu list --> | |
| <!-- <MENU COMPACT> Compact list style --> | |
| <!ELEMENT LI - O %flow> | |
| <!ATTLIST LI | |
| %SDAFORM; "LItem" | |
| > | |
| <!-- <LI> List item --> | |
| <!--========== Document Body ===================--> | |
| <![ %HTML.Recommended [ | |
| <!ENTITY % body.content "(%heading|%block|HR|ADDRESS|IMG)*" | |
| -- <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> | |
| <!-- <BODY> Document body --> | |
| <!ELEMENT BLOCKQUOTE - - %body.content> | |
| <!ATTLIST BLOCKQUOTE | |
| %SDAFORM; "BQ" | |
| > | |
| <!-- <BLOCKQUOTE> Quoted passage --> | |
| <!ELEMENT ADDRESS - - (%text|P)*> | |
| <!ATTLIST ADDRESS | |
| %SDAFORM; "Lit" | |
| %SDAPREF; "Address:&#RE;" | |
| > | |
| <!-- <ADDRESS> Address, signature, or byline --> | |
| <!--======= Forms ====================--> | |
| <![ %HTML.Forms [ | |
| <!ELEMENT FORM - - %body.content -(FORM) +(INPUT|SELECT|TEXTAREA)> | |
| <!ATTLIST FORM | |
| ACTION CDATA #IMPLIED | |
| METHOD (%HTTP-Method) GET | |
| ENCTYPE %Content-Type; "application/x-www-form-urlencoded" | |
| %SDAPREF; "<Para>Form:</Para>" | |
| %SDASUFF; "<Para>Form End.</Para>" | |
| > | |
| <!-- <FORM> Fill-out or data-entry form --> | |
| <!-- <FORM ACTION="..."> Address for completed form --> | |
| <!-- <FORM METHOD=...> Method of submitting form --> | |
| <!-- <FORM ENCTYPE="..."> Representation of form data --> | |
| <!ENTITY % InputType "(TEXT | PASSWORD | CHECKBOX | | |
| RADIO | SUBMIT | RESET | | |
| IMAGE | HIDDEN )"> | |
| <!ELEMENT INPUT - O EMPTY> | |
| <!ATTLIST INPUT | |
| TYPE %InputType TEXT | |
| NAME CDATA #IMPLIED | |
| VALUE CDATA #IMPLIED | |
| SRC CDATA #IMPLIED | |
| CHECKED (CHECKED) #IMPLIED | |
| SIZE CDATA #IMPLIED | |
| MAXLENGTH NUMBER #IMPLIED | |
| ALIGN (top|middle|bottom) #IMPLIED | |
| %SDAPREF; "Input: " | |
| > | |
| <!-- <INPUT> Form input datum --> | |
| <!-- <INPUT TYPE=...> Type of input interaction --> | |
| <!-- <INPUT NAME=...> Name of form datum --> | |
| <!-- <INPUT VALUE="..."> Default/initial/selected value --> | |
| <!-- <INPUT SRC="..."> Address of image --> | |
| <!-- <INPUT CHECKED> Initial state is "on" --> | |
| <!-- <INPUT SIZE=...> Field size hint --> | |
| <!-- <INPUT MAXLENGTH=...> Data length maximum --> | |
| <!-- <INPUT ALIGN=...> Image alignment --> | |
| <!ELEMENT SELECT - - (OPTION+) -(INPUT|SELECT|TEXTAREA)> | |
| <!ATTLIST SELECT | |
| NAME CDATA #REQUIRED | |
| SIZE NUMBER #IMPLIED | |
| MULTIPLE (MULTIPLE) #IMPLIED | |
| %SDAFORM; "List" | |
| %SDAPREF; | |
| "<LHead>Select #AttVal(Multiple)</LHead>" | |
| > | |
| <!-- <SELECT> Selection of option(s) --> | |
| <!-- <SELECT NAME=...> Name of form datum --> | |
| <!-- <SELECT SIZE=...> Options displayed at a time --> | |
| <!-- <SELECT MULTIPLE> Multiple selections allowed --> | |
| <!ELEMENT OPTION - O (#PCDATA)*> | |
| <!ATTLIST OPTION | |
| SELECTED (SELECTED) #IMPLIED | |
| VALUE CDATA #IMPLIED | |
| %SDAFORM; "LItem" | |
| %SDAPREF; | |
| "Option: #AttVal(Value) #AttVal(Selected)" | |
| > | |
| <!-- <OPTION> A selection option --> | |
| <!-- <OPTION SELECTED> Initial state --> | |
| <!-- <OPTION VALUE="..."> Form datum value for this option--> | |
| <!ELEMENT TEXTAREA - - (#PCDATA)* -(INPUT|SELECT|TEXTAREA)> | |
| <!ATTLIST TEXTAREA | |
| NAME CDATA #REQUIRED | |
| ROWS NUMBER #REQUIRED | |
| COLS NUMBER #REQUIRED | |
| %SDAFORM; "Para" | |
| %SDAPREF; "Input Text -- #AttVal(Name): " | |
| > | |
| <!-- <TEXTAREA> An area for text input --> | |
| <!-- <TEXTAREA NAME=...> Name of form datum --> | |
| <!-- <TEXTAREA ROWS=...> Height of area --> | |
| <!-- <TEXTAREA COLS=...> Width of area --> | |
| ]]> | |
| <!--======= Document Head ======================--> | |
| <![ %HTML.Recommended [ | |
| <!ENTITY % head.extra ""> | |
| ]]> | |
| <!ENTITY % head.extra "& NEXTID?"> | |
| <!ENTITY % head.content "TITLE & ISINDEX? & BASE? %head.extra"> | |
| <!ELEMENT HEAD O O (%head.content) +(META|LINK)> | |
| <!-- <HEAD> Document head --> | |
| <!ELEMENT TITLE - - (#PCDATA)* -(META|LINK)> | |
| <!ATTLIST TITLE | |
| %SDAFORM; "Ti" > | |
| <!-- <TITLE> Title of document --> | |
| <!ELEMENT LINK - O EMPTY> | |
| <!ATTLIST LINK | |
| HREF CDATA #REQUIRED | |
| %linkExtraAttributes; | |
| %SDAPREF; "Linked to : #AttVal (TITLE) (URN) (HREF)>" > | |
| <!-- <LINK> Link from this document --> | |
| <!-- <LINK HREF="..."> Address of link destination --> | |
| <!-- <LINK URN="..."> Lasting name of destination --> | |
| <!-- <LINK REL=...> Relationship to destination --> | |
| <!-- <LINK REV=...> Relationship of destination to this --> | |
| <!-- <LINK TITLE="..."> Title of destination (advisory) --> | |
| <!-- <LINK METHODS="..."> Operations allowed (advisory) --> | |
| <!ELEMENT ISINDEX - O EMPTY> | |
| <!ATTLIST ISINDEX | |
| %SDAPREF; | |
| "<Para>[Document is indexed/searchable.]</Para>"> | |
| <!-- <ISINDEX> Document is a searchable index --> | |
| <!ELEMENT BASE - O EMPTY> | |
| <!ATTLIST BASE | |
| HREF CDATA #REQUIRED > | |
| <!-- <BASE> Base context document --> | |
| <!-- <BASE HREF="..."> Address for this document --> | |
| <!ELEMENT NEXTID - O EMPTY> | |
| <!ATTLIST NEXTID | |
| N CDATA #REQUIRED > | |
| <!-- <NEXTID> Next ID to use for link name --> | |
| <!-- <NEXTID N=...> Next ID to use for link name --> | |
| <!ELEMENT META - O EMPTY> | |
| <!ATTLIST META | |
| HTTP-EQUIV NAME #IMPLIED | |
| NAME NAME #IMPLIED | |
| CONTENT CDATA #REQUIRED > | |
| <!-- <META> Generic Meta-information --> | |
| <!-- <META HTTP-EQUIV=...> HTTP response header name --> | |
| <!-- <META NAME=...> Meta-information name --> | |
| <!-- <META CONTENT="..."> 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 '%HTML.Version;'"> | |
| <!ATTLIST HTML | |
| %version.attr; | |
| %SDAFORM; "Book" | |
| > | |
| <!-- <HTML> HTML Document --> |