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diff --git a/htdocs/sgml-lib/html-970421.dtd b/htdocs/sgml-lib/html-970421.dtd new file mode 100644 index 0000000..494f828 --- /dev/null +++ b/htdocs/sgml-lib/html-970421.dtd @@ -0,0 +1,657 @@ +<!-- + W3C Document Type Definition for the HyperText Markup Language + This version is code named Wilbur with Style + + Draft: April 21st 1997 + + Author of original HTML 3.2 DTD: Dave Raggett <dsr@w3.org> + + WD-style updates by: + Chris Lilley <chris@w3.org> + Dave Raggett <dsr@w3.org> + + This Experimental HTML DTD adds support for Style Sheets, + as defined in WD-Style, to the HTML 3.2 DTD: ID, CLASS and + STYLE attributes on most elements, and the SPAN element. +--> + +<!ENTITY % HTML.Version + "-//W3C//DTD HTML Experimental 970421//EN" + + -- Typical usage: + + <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML Experimental 970421//EN"> + <html> + ... + </html> + -- +> + +<!--================== Deprecated Features Switch ======================--> + +<!ENTITY % HTML.Deprecated "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 % URL "CDATA" + -- The term URL means a CDATA attribute + whose value is a Uniform Resource Locator, + See RFC1808 (June 95) and RFC1738 (Dec 94). + --> + +<!-- Parameter Entities --> + +<!ENTITY % head.misc "SCRIPT|STYLE|META|LINK" -- repeatable head elements --> + +<!ENTITY % heading "H1|H2|H3|H4|H5|H6"> + +<!ENTITY % list "UL | OL | DIR | MENU"> + +<![ %HTML.Deprecated [ + <!ENTITY % preformatted "PRE | XMP | LISTING"> +]]> + +<!ENTITY % preformatted "PRE"> + +<!--================ Character mnemonic entities =======================--> + +<!ENTITY % ISOlat1 PUBLIC + "ISO 8879-1986//ENTITIES Added Latin 1//EN//HTML"> +%ISOlat1; + +<!--================ Entities for special symbols ======================--> +<!-- &trade and &cbsp are not widely deployed and so not included here --> + +<!ENTITY copy CDATA "©" -- copyright sign --> +<!ENTITY reg CDATA "®" -- registered sign --> +<!ENTITY amp CDATA "&" -- ampersand --> +<!ENTITY gt CDATA ">" -- greater than --> +<!ENTITY lt CDATA "<" -- less than --> +<!ENTITY quot CDATA """ -- double quote --> +<!ENTITY nbsp CDATA " " -- non breaking space --> + +<!--=================== Text Markup ====================================--> + +<!ENTITY % font "TT | I | B | U | STRIKE | BIG | SMALL | SUB | SUP"> + +<!ENTITY % phrase "EM | STRONG | DFN | CODE | SAMP | KBD | VAR | CITE"> + +<!ENTITY % special "A|IMG|APPLET|BASEFONT|FONT|BR|SCRIPT|MAP|SPAN"> + +<!ENTITY % form "INPUT | SELECT | TEXTAREA"> + +<!ENTITY % text "#PCDATA | %font | %phrase | %special | %form"> + +<!ENTITY % style + "id ID #IMPLIED -- document wide unique id -- + class CDATA #IMPLIED -- comma list of class values -- + style CDATA #IMPLIED -- associated style info --"> + +<!ELEMENT (%font|%phrase) - - (%text)*> +<!ATTLIST (%font|%phrase) %style;> + +<!-- there are also 16 widely known color names although + the resulting colors are implementation dependent: + + aqua, black, blue, fuchsia, gray, green, lime, maroon, + navy, olive, purple, red, silver, teal, white, and yellow + + These colors were originally picked as being the standard + 16 colors supported with the Windows VGA palette. + --> + +<!-- use span when other text-level elements are inappropriate --> +<!ELEMENT SPAN - - (%text)* -- generic language/style container --> +<!ATTLIST SPAN %style; > + +<!ELEMENT FONT - - (%text)* -- local change to font --> +<!ATTLIST FONT + size CDATA #IMPLIED -- [+]nn e.g. size="+1", size=4 -- + color CDATA #IMPLIED -- #RRGGBB in hex, e.g. red: color="#FF0000" +-- + %style; + > + +<!ELEMENT BASEFONT - O EMPTY -- base font size (1 to 7)--> +<!ATTLIST BASEFONT + size CDATA #IMPLIED -- e.g. size=3 -- + > + +<!ELEMENT BR - O EMPTY -- forced line break --> +<!ATTLIST BR + clear (left|all|right|none) none -- control of text flow -- + %style; + > + +<!--================== HTML content models =============================--> +<!-- + HTML has three basic content models: + + %text character level elements and text strings + %flow block-like elements e.g. paragraphs and lists + %bodytext as %flow plus headers and ADDRESS +--> + +<!ENTITY % block + "P | %list | %preformatted | DL | DIV | CENTER | + BLOCKQUOTE | FORM | ISINDEX | HR | TABLE"> + +<!-- %flow is used for DD and LI --> + +<!ENTITY % flow "(%text | %block)*"> + +<!--=================== Document Body ==================================--> + +<!ENTITY % body.content "(%heading | %text | %block | ADDRESS)*"> + +<!ENTITY % color "CDATA" -- a color specification: #RRGGBB in hex --> + +<!ENTITY % body-color-attrs " + bgcolor %color #IMPLIED + text %color #IMPLIED + link %color #IMPLIED + vlink %color #IMPLIED + alink %color #IMPLIED + "> + +<!ELEMENT BODY O O %body.content> +<!ATTLIST BODY + background %URL #IMPLIED -- texture tile for document background -- + %body-color-attrs; -- bgcolor, text, link, vlink, alink -- + %style; + > + +<!ENTITY % address.content "((%text;) | P)*"> + +<!ELEMENT ADDRESS - - %address.content> +<!ATTLIST ADDRESS %style; > + +<!ELEMENT DIV - - %body.content> +<!ATTLIST DIV + align (left|center|right) #IMPLIED -- alignment of following text -- + %style; + > + +<!-- CENTER is a shorthand for DIV with ALIGN=CENTER --> +<!ELEMENT center - - %body.content> + +<!--================== The Anchor Element ==============================--> + +<!ELEMENT A - - (%text)* -(A)> +<!ATTLIST A + name CDATA #IMPLIED -- named link end -- + href %URL #IMPLIED -- URL for linked resource -- + rel CDATA #IMPLIED -- forward link types -- + rev CDATA #IMPLIED -- reverse link types -- + title CDATA #IMPLIED -- advisory title string -- + %style; + > + +<!--================== Client-side image maps =========================--> + +<!-- These can be placed in the same document or grouped in a + separate document although this isn't yet widely supported --> + +<!ENTITY % SHAPE "(rect|circle|poly)"> +<!ENTITY % COORDS "CDATA" -- comma separated list of numbers --> + +<!ELEMENT MAP - - (AREA)*> +<!ATTLIST MAP + name CDATA #IMPLIED + > + +<!ELEMENT AREA - O EMPTY> +<!ATTLIST AREA + shape %SHAPE rect + coords %COORDS #IMPLIED -- defines coordinates for shape -- + href %URL #IMPLIED -- this region acts as hypertext link -- + nohref (nohref) #IMPLIED -- this region has no action -- + alt CDATA #REQUIRED -- needed for non-graphical user agents -- + > + +<!--================== The LINK Element ===============================--> + +<!ENTITY % Types "CDATA" + -- LINK has been part of HTML since the early days + although few browsers as yet take advantage of it. + + Relationship values can be used in principle: + + a) for document specific toolbars/menus when used + with the LINK element in document head: + b) to link to a separate style sheet (rel=stylesheet) + c) to make a link to a script (rel=script) + d) by stylesheets to control how collections of + html nodes are rendered into printed documents + e) to make a link to a printable version of this document + e.g. a postscript/pdf version (rel=alternate media=print) +--> +<!ENTITY % MEDIA + "(print|screen|projection|braille|aural|all)" + -- + Media values define the intended rendering medium for a style + sheet or other resource. It shouldn't be confused with the data + format used to encode that resource. + --> + +<!ELEMENT LINK - O EMPTY> +<!ATTLIST LINK + href %URL #IMPLIED -- URL for linked resource -- + rel %Types #IMPLIED -- forward link types -- + rev %Types #IMPLIED -- reverse link types -- + media %MEDIA all -- intended rendering medium -- + title CDATA #IMPLIED -- advisory title string -- + > + +<!--=================== Images =========================================--> + +<!ENTITY % Length "CDATA" -- nn for pixels or nn% for percentage length --> +<!ENTITY % Pixels "CDATA" -- integer representing length in pixels --> + +<!-- Suggested widths are used for negotiating image size + with the module responsible for painting the image. + align=left or right cause image to float to margin + and for subsequent text to wrap around image --> + +<!ENTITY % IAlign "(top|middle|bottom|left|right)"> + +<!ELEMENT IMG - O EMPTY -- Embedded image --> +<!ATTLIST IMG + src %URL #REQUIRED -- URL of image to embed -- + alt CDATA #IMPLIED -- for display in place of image -- + align %IAlign #IMPLIED -- vertical or horizontal alignment -- + height %Pixels #IMPLIED -- suggested height in pixels -- + width %Pixels #IMPLIED -- suggested width in pixels -- + border %Pixels #IMPLIED -- suggested link border width -- + hspace %Pixels #IMPLIED -- suggested horizontal gutter -- + vspace %Pixels #IMPLIED -- suggested vertical gutter -- + usemap %URL #IMPLIED -- use client-side image map -- + ismap (ismap) #IMPLIED -- use server image map -- + %style; + > + +<!-- USEMAP points to a MAP element which may be in this document + or an external document, although the latter is not widely supported --> + +<!--=================== Java APPLET tag ================================--> +<!-- + This tag is supported by all Java enabled browsers. CODEBASE specifies + the base URL of the applet - the directory that contains the applet's + code. If this attribute is missing the documents base URL is used + instead. One of CODE or OBJECT must be present. Archive files speed + loading of applets through a compressed wrapper for applet resources. + The ALT attribute gives text to display if the browser understands + the APPLET tag but can't run Java applets. WIDTH, HEIGHT, ALIGN, + HSPACE and VSPACE are defined in the same way as for IMG elements. +--> +<!ELEMENT APPLET - - (PARAM | %text)*> +<!ATTLIST APPLET + codebase %URL #IMPLIED -- optional base URL for applet -- + archive CDATA #IMPLIED -- comma separated archive list -- + code CDATA #IMPLIED -- applet class file -- + object CDATA #IMPLIED -- serialized applet file -- + alt CDATA #IMPLIED -- for display in place of applet -- + name CDATA #IMPLIED -- allows applets to find each other -- + width %Pixels #REQUIRED -- suggested width in pixels -- + height %Pixels #REQUIRED -- suggested height in pixels -- + align %IAlign #IMPLIED -- vertical or horizontal alignment -- + hspace %Pixels #IMPLIED -- suggested horizontal gutter -- + vspace %Pixels #IMPLIED -- suggested vertical gutter -- + > + +<!ELEMENT PARAM - O EMPTY> +<!ATTLIST PARAM + name NMTOKEN #REQUIRED -- The name of the parameter -- + value CDATA #IMPLIED -- The value of the parameter -- + > + +<!-- +Here is an example: + + <applet codebase="applets/NervousText" + code=NervousText.class + width=300 + height=50> + <param name=text value="Java is Cool!"> + <img src=sorry.gif alt="This looks better with Java support"> + </applet> +--> + +<!--=================== Horizontal Rule ================================--> + +<!ELEMENT HR - O EMPTY> +<!ATTLIST HR + align (left|right|center) #IMPLIED + noshade (noshade) #IMPLIED + size %Pixels #IMPLIED + width %Length #IMPLIED + %style; + > +<!--=================== Paragraphs======================================--> + +<!ELEMENT P - O (%text)*> +<!ATTLIST P + align (left|center|right) #IMPLIED + %style; + > + +<!--=================== Headings =======================================--> + +<!-- + There are six levels of headers from H1 (the most important) + to H6 (the least important). +--> + +<!ELEMENT ( %heading ) - - (%text;)*> +<!ATTLIST ( %heading ) + align (left|center|right) #IMPLIED + %style; + > + +<!--=================== Preformatted Text ==============================--> + +<!-- excludes images and changes in font size to preserve column alignment -- +> + +<!ENTITY % pre.exclusion "IMG|BIG|SMALL|SUB|SUP|FONT"> + +<!ELEMENT PRE - - (%text)* -(%pre.exclusion)> +<!ATTLIST PRE + width NUMBER #implied -- is this widely supported? -- + %style; + > + +<![ %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> +<!ELEMENT PLAINTEXT - O %literal> + +]]> + +<!--=================== Block-like Quotes ==============================--> + +<!ELEMENT BLOCKQUOTE - - %body.content> +<!ATTLIST BLOCKQUOTE %style;> +<!--=================== Lists ==========================================--> + +<!-- + HTML 3.2 allows you to control the sequence number for ordered lists. + You can set the sequence number with the START and VALUE attributes. + The TYPE attribute may be used to specify the rendering of ordered + and unordered lists. +--> + +<!-- definition lists - DT for term, DD for its definition --> + +<!ELEMENT DL - - (DT|DD)+> +<!ATTLIST DL + compact (compact) #IMPLIED -- more compact style -- + %style; + > + +<!ELEMENT DT - O (%text)*> +<!ATTLIST DT %style;> +<!ELEMENT DD - O %flow;> +<!ATTLIST DD %style;> + +<!-- Ordered lists OL, and unordered lists UL --> +<!ELEMENT (OL|UL) - - (LI)+> + +<!-- + Numbering style + 1 arablic numbers 1, 2, 3, ... + a lower alpha a, b, c, ... + A upper alpha A, B, C, ... + i lower roman i, ii, iii, ... + I upper roman I, II, III, ... + + The style is applied to the sequence number which by default + is reset to 1 for the first list item in an ordered list. + + This can't be expressed directly in SGML due to case folding. +--> + +<!ENTITY % OLStyle "CDATA" -- constrained to: [1|a|A|i|I] --> + +<!ATTLIST OL -- ordered lists -- + type %OLStyle #IMPLIED -- numbering style -- + start NUMBER #IMPLIED -- starting sequence number -- + compact (compact) #IMPLIED -- reduced interitem spacing -- + %style; + > + +<!-- bullet styles --> + +<!ENTITY % ULStyle "disc|square|circle"> + +<!ATTLIST UL -- unordered lists -- + type (%ULStyle) #IMPLIED -- bullet style -- + compact (compact) #IMPLIED -- reduced interitem spacing -- + %style; + > + +<!ELEMENT (DIR|MENU) - - (LI)+ -(%block)> +<!ATTLIST DIR + compact (compact) #IMPLIED + %style; + > +<!ATTLIST MENU + compact (compact) #IMPLIED + %style; + > + +<!-- <DIR> Directory list --> +<!-- <DIR COMPACT> Compact list style --> +<!-- <MENU> Menu list --> +<!-- <MENU COMPACT> Compact list style --> + +<!-- The type attribute can be used to change the bullet style + in unordered lists and the numbering style in ordered lists --> + +<!ENTITY % LIStyle "CDATA" -- constrained to: "(%ULStyle|%OLStyle)" --> + +<!ELEMENT LI - O %flow -- list item --> +<!ATTLIST LI + type %LIStyle #IMPLIED -- list item style -- + value NUMBER #IMPLIED -- reset sequence number -- + %style; + > + +<!--================ Forms ============================================--> + +<!ELEMENT FORM - - %body.content -(FORM)> +<!ATTLIST FORM + action %URL #IMPLIED -- server-side form handler -- + method (%HTTP-Method) GET -- see HTTP specification -- + enctype %Content-Type; "application/x-www-form-urlencoded" + %style; + > + +<!ENTITY % InputType + "(TEXT | PASSWORD | CHECKBOX | RADIO | SUBMIT + | RESET | FILE | HIDDEN | IMAGE)"> + +<!ELEMENT INPUT - O EMPTY> +<!ATTLIST INPUT + type %InputType TEXT -- what kind of widget is needed -- + name CDATA #IMPLIED -- required for all but submit and reset -- + value CDATA #IMPLIED -- required for radio and checkboxes -- + checked (checked) #IMPLIED -- for radio buttons and check boxes -- + size CDATA #IMPLIED -- specific to each type of field -- + maxlength NUMBER #IMPLIED -- max chars allowed in text fields -- + src %URL #IMPLIED -- for fields with background images -- + align %IAlign #IMPLIED -- image alignment -- + usemap %URL #IMPLIED -- use client-side image map -- + hspace %Pixels #IMPLIED -- suggested horizontal gutter -- + vspace %Pixels #IMPLIED -- suggested vertical gutter -- + %style; + > + +<!ELEMENT SELECT - - (OPTION+)> +<!ATTLIST SELECT + name CDATA #REQUIRED + size NUMBER #IMPLIED + multiple (multiple) #IMPLIED + %style; + > + +<!ELEMENT OPTION - O (#PCDATA)*> +<!ATTLIST OPTION + selected (selected) #IMPLIED + value CDATA #IMPLIED -- defaults to element content -- + %style; + > + +<!-- Multi-line text input field. --> + +<!ELEMENT TEXTAREA - - (#PCDATA)*> +<!ATTLIST TEXTAREA + name CDATA #REQUIRED + rows NUMBER #REQUIRED + cols NUMBER #REQUIRED + %style; + > + +<!--======================= Tables =====================================--> + +<!-- Widely deployed subset of the full table standard, see RFC 1942 + e.g. at http://www.ics.uci.edu/pub/ietf/html/rfc1942.txt --> + +<!-- horizontal placement of table relative to window --> +<!ENTITY % Where "(left|center|right)"> + +<!-- horizontal alignment attributes for cell contents --> +<!ENTITY % cell.halign + "align (left|center|right) #IMPLIED" + > + +<!-- vertical alignment attributes for cell contents --> +<!ENTITY % cell.valign + "valign (top|middle|bottom) #IMPLIED" + > + +<!ELEMENT TABLE - - (CAPTION?, TR+)> +<!ELEMENT TR - O (TH|TD)*> +<!ELEMENT (TH|TD) - O %body.content> + +<!ATTLIST TABLE -- table element -- + align %Where #IMPLIED -- table position relative to window -- + width %Length #IMPLIED -- table width relative to window -- + border %Pixels #IMPLIED -- controls frame width around table -- + cellspacing %Pixels #IMPLIED -- spacing between cells -- + cellpadding %Pixels #IMPLIED -- spacing within cells -- + %style; + > + +<!ELEMENT CAPTION - - (%text;)* -- table or figure caption --> +<!ATTLIST CAPTION + align (top|bottom) #IMPLIED + %style; + > + +<!ATTLIST TR -- table row -- + %cell.halign; -- horizontal alignment in cells -- + %cell.valign; -- vertical alignment in cells -- + %style; + > + +<!ATTLIST (TH|TD) -- header or data cell -- + nowrap (nowrap) #IMPLIED -- suppress word wrap -- + rowspan NUMBER 1 -- number of rows spanned by cell -- + colspan NUMBER 1 -- number of cols spanned by cell -- + %cell.halign; -- horizontal alignment in cells -- + %cell.valign; -- vertical alignment in cells -- + width %Pixels #IMPLIED -- suggested width for cell -- + height %Pixels #IMPLIED -- suggested height for cell -- + %style; + > + +<!--================ Document Head =====================================--> + +<!-- %head.misc defined earlier on as "SCRIPT|STYLE|META|LINK" --> + +<!ENTITY % head.content "TITLE & ISINDEX? & BASE?"> + +<!ELEMENT HEAD O O (%head.content) +(%head.misc)> + +<!ELEMENT TITLE - - (#PCDATA)* -(%head.misc) + -- 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> +<!ATTLIST ISINDEX + prompt CDATA #IMPLIED -- prompt message -- + %style; + > + +<!-- + The BASE element gives an absolute URL for dereferencing relative + URLs, e.g. + + <BASE href="http://foo.com/index.html"> + ... + <IMG SRC="images/bar.gif"> + + The image is deferenced to + + http://foo.com/images/bar.gif + + In the absence of a BASE element the document URL should be used. + Note that this is not necessarily the same as the URL used to + request the document, as the base URL may be overridden by an HTTP + header accompanying the document. +--> + +<!ELEMENT BASE - O EMPTY> +<!ATTLIST BASE + href %URL #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 -- + > + +<!ELEMENT STYLE - - CDATA -- style info --> +<!ATTLIST STYLE + type CDATA #IMPLIED -- Internet media type for style -- + title CDATA #IMPLIED -- advisory title for this style -- + media %MEDIA ALL -- intended rendering medium -- + > + +<!-- SCRIPT is a place holder for transition to next version of HTML --> +<!ELEMENT SCRIPT - - CDATA -- script statements --> + +<!--================ Document Structure ================================--> + +<!ENTITY % version.attr "VERSION CDATA #FIXED '%HTML.Version;'"> + +<![ %HTML.Deprecated [ + <!ENTITY % html.content "HEAD, BODY, PLAINTEXT?"> +]]> +<!ENTITY % html.content "HEAD, BODY"> + +<!ELEMENT HTML O O (%html.content)> +<!ATTLIST HTML + %version.attr; + %style; + > + |