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<!-- html.dtd |
<!-- html.dtd |
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Document Type Definition for the HyperText Markup Language |
Document Type Definition for the HyperText Markup Language (HTML DTD) |
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as used by the World Wide Web application (HTML DTD). |
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$Id$ |
$Id$ |
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--> |
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<!-- DTD definitions --> |
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<!ENTITY % heading "H1|H2|H3|H4|H5|H6" > |
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<!ENTITY % list " UL | OL | DIR | MENU "> |
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<!ENTITY % literal " XMP | LISTING "> |
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<!ENTITY % bodyelement |
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"P | HR | %heading | |
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%list | DL | ADDRESS | PRE | BLOCKQUOTE |
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| %literal"> |
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<!ENTITY % URL "CDATA" |
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-- The term URL means a CDATA attribute |
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whose value is a Uniform Resource Locator, |
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as defined. (A URN may also be usable here when defined.) |
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--> |
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<!ENTITY % linkattributes |
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"NAME NMTOKEN #IMPLIED |
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HREF %URL; #IMPLIED |
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REL CDATA #IMPLIED -- forward relationship type -- |
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REV CDATA #IMPLIED -- reversed relationship type |
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to referent data: |
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PARENT CHILD, SIBLING, NEXT, TOP, |
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DEFINITION, UPDATE, ORIGINAL etc. -- |
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URN CDATA #IMPLIED -- universal resource number -- |
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TITLE CDATA #IMPLIED -- advisory only -- |
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METHODS NAMES #IMPLIED -- supported public methods of the object: |
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TEXTSEARCH, GET, HEAD, ... -- |
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"> |
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<!-- Document Element --> |
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<!ELEMENT HTML O O (HEAD, BODY)> |
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<!ELEMENT HEAD O O ( TITLE? & ISINDEX? & NEXTID? & LINK* |
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& BASE?)> |
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<!ELEMENT TITLE - - (#PCDATA) |
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-- The TITLE element is not considered part of the flow of text. |
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It should be displayed, for example as the page header or |
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window title. |
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--> |
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<!ELEMENT ISINDEX - O EMPTY |
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-- WWW clients should offer the option to perform a search on |
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documents containing ISINDEX. |
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--> |
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<!ELEMENT LINK - O EMPTY> |
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<!ATTLIST LINK |
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%linkattributes> |
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<!ELEMENT BASE - O EMPTY -- Reference context for URLS --> |
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<!ATTLIST BASE |
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HREF %URL; #IMPLIED |
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> |
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<!ENTITY % inline "EM | STRONG | |
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CODE | SAMP | KBD | KEY | VAR | DFN | CITE " |
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> |
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<!ELEMENT (%inline;) - - (#PCDATA | A)+> |
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<!ENTITY % text "#PCDATA | IMG | %inline; | BR"> |
Author: Daniel W. Connolly <connolly@hal.com> |
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See Also: html.decl, html-0.dtd, html-1.dtd |
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<!ENTITY % htext "A | %text" -- Plus links, no structure --> |
http://www.hal.com/%7Econnolly/html-spec/index.html |
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http://info.cern.ch/hypertext/WWW/MarkUp2/MarkUp.html |
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<!ENTITY % stext -- as htext but also nested structure -- |
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"P | HR | %list | DL | ADDRESS |
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| PRE | BLOCKQUOTE |
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| %literal | %htext"> |
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<!ENTITY % block -- as htext but also nested structure -- |
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"P | HR | %list | DL |
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| PRE | BLOCKQUOTE |
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| %literal"> |
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<!ELEMENT BODY O O (%heading | %block)+> |
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<!ELEMENT A - - ANY> |
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<!ATTLIST A |
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%linkattributes; |
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> |
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<!ELEMENT IMG - O EMPTY -- Embedded image --> |
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<!ATTLIST IMG |
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SRC %URL; #IMPLIED -- URL of document to embed -- |
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> |
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<!ELEMENT P - O (%htext)+ -- paragraph --> |
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<!ELEMENT (HR|BR) - O EMPTY -- horizontal rule --> |
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<!ELEMENT ( %heading ) - - (%htext;)+> |
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<!ELEMENT DL - - (DT+, DD)+> |
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<!-- structured DL's |
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--> |
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<!ELEMENT DT - O (%htext)+> |
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<!ELEMENT DD - O (%htext|%block)+> |
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<!ELEMENT (%list) - - (LI)+> |
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<!ATTLIST (%list) |
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COMPACT NAME #IMPLIED -- COMPACT, etc.-- |
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> |
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<!ELEMENT LI - O (%htext|%block)+> |
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<!ELEMENT BLOCKQUOTE - - (P+, ADDRESS?)+ |
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-- for quoting some other source --> |
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<!ELEMENT ADDRESS - - (%htext;)+> |
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<!ELEMENT PRE - - (#PCDATA | TT | B | I | U | A | P | BR)+> |
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<!ATTLIST PRE |
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WIDTH NUMBER #implied |
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> |
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<!-- Mnemonic character entities. --> |
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<!ENTITY % ISOlat1 PUBLIC |
<!ENTITY HTML.Version |
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"ISO 8879:1986//ENTITIES Added Latin 1//EN"> |
"-//W3O//DTD WWW HTML 2.0//EN" |
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%ISOlat1; |
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<!ENTITY amp "&" -- ampersand --> |
-- Typical usage: |
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<!ENTITY gt ">" -- greater than --> |
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<!ENTITY lt "<" -- less than --> |
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<!ENTITY nbsp " " -- @@should be NON_BREAKING space --> |
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<!-- @@ should add entites for processing instructions |
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for line break, centering, etc. --> |
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<!-- deprecated elements --> |
<!DOCTYPE HTML PUBLIC "-//W3O//DTD WWW HTML 2.0//EN"> |
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<html> |
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... |
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</html> |
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-- |
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> |
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<!-- Imported Names --> |
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<!ENTITY % Content-Type "CDATA" |
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-- meaning a MIME content type, as per RFC1521 |
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--> |
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<!ENTITY % HTTP-Method "GET | POST"> |
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<!-- Include level 1 DTD + block extensions --> |
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<!ENTITY % block-2 "| FORM | ISINDEX" |
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--@# ISINDEX in BODY? --> |
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<!ENTITY % html-1 PUBLIC "-//W3O//DTD WWW HTML 2.0 Level 1//EN"> |
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%html-1; |
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<!-- Forms --> |
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<!ELEMENT FORM - - %body.content -(FORM) +(INPUT|SELECT|TEXTAREA)> |
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<!ATTLIST FORM |
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ACTION %URI #REQUIRED |
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METHOD (%HTTP-Method) #IMPLIED -- @# MAILTO? -- |
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ENCTYPE %Content-Type; #IMPLIED |
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> |
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<!ENTITY % InputType "(TEXT | PASSWORD | CHECKBOX | |
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RADIO | SUBMIT | RESET | |
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IMAGE | HIDDEN )"> |
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<!ELEMENT INPUT - O EMPTY> |
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<!ATTLIST INPUT |
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TYPE %InputType #IMPLIED -- @# defaults to TEXT?? -- |
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NAME CDATA #IMPLIED -- required for all but submit and reset -- |
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VALUE CDATA #IMPLIED |
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SRC %URI #IMPLIED -- for image inputs -- |
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CHECKED (CHECKED) #IMPLIED |
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SIZE CDATA #IMPLIED -- @# should be NUMBERS: delimit with space, not comma -- |
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MAXLENGTH NUMBER #IMPLIED |
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ALIGN (top|middle|bottom|left|center|right) #IMPLIED --@#supported?-- |
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<!ELEMENT SELECT - - (OPTION+)> |
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<!ATTLIST SELECT |
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NAME CDATA #REQUIRED |
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SIZE NUMBER #IMPLIED |
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MULTIPLE (MULTIPLE) #IMPLIED |
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> |
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<!ELEMENT OPTION - O (#PCDATA)> |
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<!ATTLIST OPTION |
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SELECTED (SELECTED) #IMPLIED |
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VALUE CDATA #IMPLIED |
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> |
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<!ELEMENT TEXTAREA - - (#PCDATA)> |
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<!ATTLIST TEXTAREA |
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NAME CDATA #REQUIRED |
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ROWS NUMBER #REQUIRED -- @#implied? -- |
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COLS NUMBER #REQUIRED |
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> |
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<!ELEMENT (%literal) - - CDATA> |
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<!ELEMENT PLAINTEXT - O EMPTY> |
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