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Member "OpenSP-1.5.2/pubtext/HTML32.dtd" (14 May 2005, 20351 Bytes) of package /linux/misc/old/OpenSP-1.5.2.tar.gz:


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    1 <!--
    2         W3C Document Type Definition for the HyperText Markup Language
    3         version 3.2 as ratified by a vote of W3C member companies.
    4         For more information on W3C look at  URL http://www.w3.org/
    5 
    6         Date: Tuesday January 14th 1997
    7 
    8         Author: Dave Raggett <dsr@w3.org>
    9 
   10         HTML 3.2 aims to capture recommended practice as of early '96
   11         and as such to be used as a replacement for HTML 2.0 (RFC 1866).
   12         Widely deployed rendering attributes are included where they
   13         have been shown to be interoperable. SCRIPT and STYLE are
   14         included to smooth the introduction of client-side scripts
   15         and style sheets. Browsers must avoid showing the contents
   16         of these element Otherwise support for them is not required.
   17         ID, CLASS and STYLE attributes are not included in this version
   18         of HTML.
   19 -->
   20 
   21 <!ENTITY % HTML.Version
   22         "-//W3C//DTD HTML 3.2 Final//EN"
   23 
   24         -- Typical usage:
   25 
   26             <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
   27             <html>
   28             ...
   29             </html>
   30         --
   31         >
   32 
   33 <!--================== Deprecated Features Switch =========================-->
   34 
   35 <!ENTITY % HTML.Deprecated "INCLUDE">
   36 
   37 <!--================== Imported Names =====================================-->
   38 
   39 <!ENTITY % Content-Type "CDATA"
   40         -- meaning a MIME content type, as per RFC1521
   41         -->
   42 
   43 <!ENTITY % HTTP-Method "GET | POST"
   44         -- as per HTTP specification
   45         -->
   46 
   47 <!ENTITY % URL "CDATA"
   48         -- The term URL means a CDATA attribute
   49            whose value is a Uniform Resource Locator,
   50            See RFC1808 (June 95) and RFC1738 (Dec 94).
   51         -->
   52 
   53 <!-- Parameter Entities -->
   54 
   55 <!ENTITY % head.misc "SCRIPT|STYLE|META|LINK" -- repeatable head elements -->
   56 
   57 <!ENTITY % heading "H1|H2|H3|H4|H5|H6">
   58 
   59 <!ENTITY % list "UL | OL |  DIR | MENU">
   60 
   61 <![ %HTML.Deprecated [
   62     <!ENTITY % preformatted "PRE | XMP | LISTING">
   63 ]]>
   64 
   65 <!ENTITY % preformatted "PRE">
   66 
   67 <!--================ Character mnemonic entities ==========================-->
   68 
   69 <!ENTITY % ISOlat1 PUBLIC
   70        "ISO 8879-1986//ENTITIES Added Latin 1//EN//HTML">
   71 %ISOlat1;
   72 
   73 <!--================ Entities for special symbols =========================-->
   74 <!-- &trade and &cbsp are not widely deployed and so not included here -->
   75 
   76 <!ENTITY amp    CDATA "&#38;"   -- ampersand          -->
   77 <!ENTITY gt     CDATA "&#62;"   -- greater than       -->
   78 <!ENTITY lt     CDATA "&#60;"   -- less than          -->
   79 
   80 <!--=================== Text Markup =======================================-->
   81 
   82 <!ENTITY % font "TT | I | B  | U | STRIKE | BIG | SMALL | SUB | SUP">
   83 
   84 <!ENTITY % phrase "EM | STRONG | DFN | CODE | SAMP | KBD | VAR | CITE">
   85 
   86 <!ENTITY % special "A | IMG | APPLET | FONT | BASEFONT | BR | SCRIPT | MAP">
   87 
   88 <!ENTITY % form "INPUT | SELECT | TEXTAREA">
   89 
   90 <!ENTITY % text "#PCDATA | %font | %phrase | %special | %form">
   91 
   92 <!ELEMENT (%font|%phrase) - - (%text)*>
   93 
   94 <!-- there are also 16 widely known color names although
   95   the resulting colors are implementation dependent:
   96 
   97    aqua, black, blue, fuchsia, gray, green, lime, maroon,
   98    navy, olive, purple, red, silver, teal, white, and yellow
   99 
  100  These colors were originally picked as being the standard
  101  16 colors supported with the Windows VGA palette.
  102  -->
  103 
  104 <!ELEMENT FONT - - (%text)*     -- local change to font -->
  105 <!ATTLIST FONT
  106     size    CDATA   #IMPLIED    -- [+]nn e.g. size="+1", size=4 --
  107     color   CDATA   #IMPLIED    -- #RRGGBB in hex, e.g. red: color="#FF0000" --
  108     >
  109 
  110 <!ELEMENT BASEFONT - O EMPTY    -- base font size (1 to 7)-->
  111 <!ATTLIST BASEFONT
  112     size    CDATA   #IMPLIED    -- e.g. size=3 --
  113     >
  114 
  115 <!ELEMENT BR    - O EMPTY    -- forced line break -->
  116 <!ATTLIST BR
  117         clear (left|all|right|none) none -- control of text flow --
  118         >
  119 
  120 <!--================== HTML content models ================================-->
  121 <!--
  122     HTML has three basic content models:
  123 
  124         %text       character level elements and text strings
  125         %flow       block-like elements e.g. paragraphs and lists
  126         %bodytext   as %flow plus headers H1-H6 and ADDRESS
  127 -->
  128 
  129 <!ENTITY % block
  130      "P | %list | %preformatted | DL | DIV | CENTER |
  131       BLOCKQUOTE | FORM | ISINDEX | HR | TABLE">
  132 
  133 <!-- %flow is used for DD and LI -->
  134 
  135 <!ENTITY % flow "(%text | %block)*">
  136 
  137 <!--=================== Document Body =====================================-->
  138 
  139 <!ENTITY % body.content "(%heading | %text | %block | ADDRESS)*">
  140 
  141 <!ENTITY % color "CDATA" -- a color specification: #HHHHHH @@ details? -->
  142 
  143 <!ENTITY % body-color-attrs "
  144         bgcolor %color #IMPLIED
  145         text %color #IMPLIED
  146         link %color #IMPLIED
  147         vlink %color #IMPLIED
  148         alink %color #IMPLIED
  149         ">
  150 
  151 <!ELEMENT BODY O O  %body.content>
  152 <!ATTLIST BODY
  153         background %URL #IMPLIED  -- texture tile for document background --
  154         %body-color-attrs;  -- bgcolor, text, link, vlink, alink --
  155         >
  156 
  157 <!ENTITY % address.content "((%text;) | P)*">
  158 
  159 <!ELEMENT ADDRESS - - %address.content>
  160 
  161 <!ELEMENT DIV - - %body.content>
  162 <!ATTLIST DIV
  163         align   (left|center|right) #IMPLIED -- alignment of following text --
  164         >
  165 
  166 <!-- CENTER is a shorthand for DIV with ALIGN=CENTER -->
  167 <!ELEMENT center - - %body.content>
  168 
  169 <!--================== The Anchor Element =================================-->
  170 
  171 <!ELEMENT A - - (%text)* -(A)>
  172 <!ATTLIST A
  173         name    CDATA   #IMPLIED    -- named link end --
  174         href    %URL    #IMPLIED    -- URL for linked resource --
  175         rel     CDATA   #IMPLIED    -- forward link types --
  176         rev     CDATA   #IMPLIED    -- reverse link types --
  177         title   CDATA   #IMPLIED    -- advisory title string --
  178         >
  179 
  180 <!--================== Client-side image maps ============================-->
  181 
  182 <!-- These can be placed in the same document or grouped in a
  183      separate document although this isn't yet widely supported -->
  184 
  185 <!ENTITY % SHAPE "(rect|circle|poly)">
  186 <!ENTITY % COORDS "CDATA" -- comma separated list of numbers -->
  187 
  188 <!ELEMENT MAP - - (AREA)*>
  189 <!ATTLIST MAP
  190     name    CDATA   #IMPLIED
  191     >
  192 
  193 <!ELEMENT AREA - O EMPTY>
  194 <!ATTLIST AREA
  195     shape   %SHAPE  rect
  196     coords  %COORDS #IMPLIED  -- defines coordinates for shape --
  197     href    %URL    #IMPLIED  -- this region acts as hypertext link --
  198     nohref (nohref) #IMPLIED  -- this region has no action --
  199     alt     CDATA   #REQUIRED -- needed for non-graphical user agents --
  200     >
  201 
  202 <!--================== The LINK Element ==================================-->
  203 
  204 <!ENTITY % Types "CDATA"
  205         -- See Internet Draft: draft-ietf-html-relrev-00.txt
  206            LINK has been part of HTML since the early days
  207            although few browsers as yet take advantage of it.
  208 
  209            Relationship values can be used in principle:
  210 
  211                 a) for document specific toolbars/menus when used
  212                    with the LINK element in the document head:
  213                 b) to link to a separate style sheet
  214                 c) to make a link to a script
  215                 d) by stylesheets to control how collections of
  216                    html nodes are rendered into printed documents
  217                 e) to make a link to a printable version of this document
  218                    e.g. a postscript or pdf version
  219 -->
  220 
  221 <!ELEMENT LINK - O EMPTY>
  222 <!ATTLIST LINK
  223         href    %URL    #IMPLIED    -- URL for linked resource --
  224         rel     %Types  #IMPLIED    -- forward link types --
  225         rev     %Types  #IMPLIED    -- reverse link types --
  226         title   CDATA   #IMPLIED    -- advisory title string --
  227         >
  228 
  229 <!--=================== Images ============================================-->
  230 
  231 <!ENTITY % Length "CDATA"   -- nn for pixels or nn% for percentage length -->
  232 <!ENTITY % Pixels "NUMBER"  -- integer representing length in pixels -->
  233 
  234 <!-- Suggested widths are used for negotiating image size
  235      with the module responsible for painting the image.
  236      align=left or right cause image to float to margin
  237      and for subsequent text to wrap around image -->
  238 
  239 <!ENTITY % IAlign "(top|middle|bottom|left|right)">
  240 
  241 <!ELEMENT IMG    - O EMPTY --  Embedded image -->
  242 <!ATTLIST IMG
  243         src     %URL     #REQUIRED  -- URL of image to embed --
  244         alt     CDATA    #IMPLIED   -- for display in place of image --
  245         align   %IAlign  #IMPLIED   -- vertical or horizontal alignment --
  246         height  %Pixels  #IMPLIED   -- suggested height in pixels --
  247         width   %Pixels  #IMPLIED   -- suggested width in pixels --
  248         border  %Pixels  #IMPLIED   -- suggested link border width --
  249         hspace  %Pixels  #IMPLIED   -- suggested horizontal gutter --
  250         vspace  %Pixels  #IMPLIED   -- suggested vertical gutter --
  251         usemap  %URL     #IMPLIED   -- use client-side image map --
  252         ismap   (ismap)  #IMPLIED   -- use server image map --
  253         >
  254 
  255 <!-- USEMAP points to a MAP element which may be in this document
  256   or an external document, although the latter is not widely supported -->
  257 
  258 <!--=================== Java APPLET tag ===================================-->
  259 <!--
  260   This tag is supported by all Java enabled browsers. Applet resources
  261   (including their classes) are normally loaded relative to the document
  262   URL (or <BASE> element if it is defined). The CODEBASE attribute is used
  263   to change this default behavior. If the CODEBASE attribute is defined then
  264   it specifies a different location to find applet resources. The value
  265   can be an absolute URL or a relative URL. The absolute URL is used as is
  266   without modification and is not effected by the documents <BASE> element.
  267   When the codebase attribute is relative, then it is relative to the
  268   document URL (or <BASE> tag if defined).
  269 -->
  270 <!ELEMENT APPLET - - (PARAM | %text)*>
  271 <!ATTLIST APPLET
  272         codebase %URL     #IMPLIED   -- code base --
  273         code     CDATA    #REQUIRED  -- class file --
  274         alt      CDATA    #IMPLIED   -- for display in place of applet --
  275         name     CDATA    #IMPLIED   -- applet name --
  276         width    %Pixels  #REQUIRED  -- suggested width in pixels --
  277         height   %Pixels  #REQUIRED  -- suggested height in pixels --
  278         align    %IAlign  #IMPLIED   -- vertical or horizontal alignment --
  279         hspace   %Pixels  #IMPLIED   -- suggested horizontal gutter --
  280         vspace   %Pixels  #IMPLIED   -- suggested vertical gutter --
  281         >
  282 
  283 <!ELEMENT PARAM - O EMPTY>
  284 <!ATTLIST PARAM
  285         name    NMTOKEN   #REQUIRED  -- The name of the parameter --
  286         value   CDATA     #IMPLIED   -- The value of the parameter --
  287         >
  288 
  289 <!--
  290 Here is an example:
  291 
  292     <applet codebase="applets/NervousText"
  293         code=NervousText.class
  294         width=300
  295         height=50>
  296     <param name=text value="Java is Cool!">
  297     <img src=sorry.gif alt="This looks better with Java support">
  298     </applet>
  299 -->
  300 
  301 <!--=================== Horizontal Rule ===================================-->
  302 
  303 <!ELEMENT HR    - O EMPTY>
  304 <!ATTLIST HR
  305         align (left|right|center) #IMPLIED
  306         noshade (noshade) #IMPLIED
  307         size  %Pixels #IMPLIED
  308         width %Length #IMPLIED
  309         >
  310 <!--=================== Paragraphs=========================================-->
  311 
  312 <!ELEMENT P     - O (%text)*>
  313 <!ATTLIST P
  314         align  (left|center|right) #IMPLIED
  315         >
  316 
  317 <!--=================== Headings ==========================================-->
  318 
  319 <!--
  320   There are six levels of headers from H1 (the most important)
  321   to H6 (the least important).
  322 -->
  323 
  324 <!ELEMENT ( %heading )  - -  (%text;)*>
  325 <!ATTLIST ( %heading )
  326         align  (left|center|right) #IMPLIED
  327         >
  328 
  329 <!--=================== Preformatted Text =================================-->
  330 
  331 <!-- excludes images and changes in font size -->
  332 
  333 <!ENTITY % pre.exclusion "IMG|BIG|SMALL|SUB|SUP|FONT">
  334 
  335 <!ELEMENT PRE - - (%text)* -(%pre.exclusion)>
  336 <!ATTLIST PRE
  337         width NUMBER #implied -- is this widely supported? --
  338         >
  339 
  340 <![ %HTML.Deprecated [
  341 
  342 <!ENTITY % literal "CDATA"
  343         -- historical, non-conforming parsing mode where
  344            the only markup signal is the end tag
  345            in full
  346         -->
  347 
  348 <!ELEMENT (XMP|LISTING) - -  %literal>
  349 <!ELEMENT PLAINTEXT - O %literal>
  350 
  351 ]]>
  352 
  353 <!--=================== Block-like Quotes =================================-->
  354 
  355 <!ELEMENT BLOCKQUOTE - - %body.content>
  356 
  357 <!--=================== Lists =============================================-->
  358 
  359 <!--
  360     HTML 3.2 allows you to control the sequence number for ordered lists.
  361     You can set the sequence number with the START and VALUE attributes.
  362     The TYPE attribute may be used to specify the rendering of ordered
  363     and unordered lists.
  364 -->
  365 
  366 <!-- definition lists - DT for term, DD for its definition -->
  367 
  368 <!ELEMENT DL    - -  (DT|DD)+>
  369 <!ATTLIST DL
  370         compact (compact) #IMPLIED -- more compact style --
  371         >
  372 
  373 <!ELEMENT DT - O  (%text)*>
  374 <!ELEMENT DD - O  %flow;>
  375 
  376 <!-- Ordered lists OL, and unordered lists UL -->
  377 <!ELEMENT (OL|UL) - -  (LI)+>
  378 
  379 <!--
  380        Numbering style
  381     1   arablic numbers     1, 2, 3, ...
  382     a   lower alpha         a, b, c, ...
  383     A   upper alpha         A, B, C, ...
  384     i   lower roman         i, ii, iii, ...
  385     I   upper roman         I, II, III, ...
  386 
  387     The style is applied to the sequence number which by default
  388     is reset to 1 for the first list item in an ordered list.
  389 
  390     This can't be expressed directly in SGML due to case folding.
  391 -->
  392 
  393 <!ENTITY % OLStyle "CDATA" -- constrained to: [1|a|A|i|I] -->
  394 
  395 <!ATTLIST OL -- ordered lists --
  396         type      %OLStyle   #IMPLIED   -- numbering style --
  397         start     NUMBER     #IMPLIED   -- starting sequence number --
  398         compact  (compact)   #IMPLIED   -- reduced interitem spacing --
  399         >
  400 
  401 <!-- bullet styles -->
  402 
  403 <!ENTITY % ULStyle "disc|square|circle">
  404 
  405 <!ATTLIST UL -- unordered lists --
  406         type    (%ULStyle)   #IMPLIED   -- bullet style --
  407         compact (compact)    #IMPLIED   -- reduced interitem spacing --
  408         >
  409 
  410 <!ELEMENT (DIR|MENU) - -  (LI)+ -(%block)>
  411 <!ATTLIST DIR
  412         compact (compact) #IMPLIED
  413         >
  414 <!ATTLIST MENU
  415         compact (compact) #IMPLIED
  416         >
  417 
  418 <!-- <DIR>              Directory list                  -->
  419 <!-- <DIR COMPACT>      Compact list style              -->
  420 <!-- <MENU>             Menu list                       -->
  421 <!-- <MENU COMPACT>     Compact list style              -->
  422 
  423 <!-- The type attribute can be used to change the bullet style
  424      in unordered lists and the numbering style in ordered lists -->
  425 
  426 <!ENTITY % LIStyle "CDATA" -- constrained to: "(%ULStyle|%OLStyle)" -->
  427 
  428 <!ELEMENT LI - O %flow -- list item -->
  429 <!ATTLIST LI
  430         type    %LIStyle     #IMPLIED   -- list item style --
  431         value    NUMBER      #IMPLIED   -- reset sequence number --
  432         >
  433 
  434 <!--================ Forms ===============================================-->
  435 
  436 <!ELEMENT FORM - - %body.content -(FORM)>
  437 <!ATTLIST FORM
  438         action %URL #IMPLIED  -- server-side form handler --
  439         method (%HTTP-Method) GET -- see HTTP specification --
  440         enctype %Content-Type; "application/x-www-form-urlencoded"
  441         >
  442 
  443 <!ENTITY % InputType
  444         "(TEXT | PASSWORD | CHECKBOX | RADIO | SUBMIT
  445             | RESET | FILE | HIDDEN | IMAGE)">
  446 
  447 <!ELEMENT INPUT - O EMPTY>
  448 <!ATTLIST INPUT
  449         type %InputType TEXT     -- what kind of widget is needed --
  450         name  CDATA #IMPLIED     -- required for all but submit and reset --
  451         value CDATA #IMPLIED     -- required for radio and checkboxes --
  452         checked (checked) #IMPLIED -- for radio buttons and check boxes --
  453         size CDATA  #IMPLIED     -- specific to each type of field --
  454         maxlength NUMBER #IMPLIED
  455         src   %URL  #IMPLIED     -- for fields with background images --
  456         align  (top|middle|bottom|left|right) top -- image alignment --
  457         >
  458 
  459 <!ELEMENT SELECT - - (OPTION+)>
  460 <!ATTLIST SELECT
  461         name CDATA #REQUIRED
  462         size NUMBER #IMPLIED
  463         multiple (multiple) #IMPLIED
  464         >
  465 
  466 <!ELEMENT OPTION - O (#PCDATA)*>
  467 <!ATTLIST OPTION
  468         selected (selected) #IMPLIED
  469         value  CDATA  #IMPLIED -- defaults to element content --
  470         >
  471 
  472 <!-- Multi-line text input field. -->
  473 
  474 <!ELEMENT TEXTAREA - - (#PCDATA)*>
  475 <!ATTLIST TEXTAREA
  476         name CDATA #REQUIRED
  477         rows NUMBER #REQUIRED
  478         cols NUMBER #REQUIRED
  479         >
  480 
  481 <!--======================= Tables ========================================-->
  482 
  483 <!-- Widely deployed subset of the full table standard, see RFC 1942
  484      e.g. at http://www.ics.uci.edu/pub/ietf/html/rfc1942.txt -->
  485 
  486 <!-- horizontal placement of table relative to window -->
  487 <!ENTITY % Where "(left|center|right)">
  488 
  489 <!-- horizontal alignment attributes for cell contents -->
  490 <!ENTITY % cell.halign
  491         "align  (left|center|right) #IMPLIED"
  492         >
  493 
  494 <!-- vertical alignment attributes for cell contents -->
  495 <!ENTITY % cell.valign
  496         "valign  (top|middle|bottom)  #IMPLIED"
  497         >
  498 
  499 <!ELEMENT table - - (caption?, tr+)>
  500 <!ELEMENT tr - O (th|td)*>
  501 <!ELEMENT (th|td) - O %body.content>
  502 
  503 <!ATTLIST table                       -- table element --
  504         align     %Where;   #IMPLIED  -- table position relative to window --
  505         width     %Length   #IMPLIED  -- table width relative to window --
  506         border    %Pixels   #IMPLIED  -- controls frame width around table --
  507         cellspacing %Pixels #IMPLIED  -- spacing between cells --
  508         cellpadding %Pixels #IMPLIED  -- spacing within cells --
  509         >
  510 
  511 <!ELEMENT CAPTION - - (%text;)* -- table or figure caption -->
  512 <!ATTLIST CAPTION
  513         align (top|bottom) #IMPLIED
  514         >
  515 
  516 <!ATTLIST tr                       -- table row --
  517         %cell.halign;              -- horizontal alignment in cells --
  518         %cell.valign;              -- vertical alignment in cells --
  519         >
  520 
  521 <!ATTLIST (th|td)                  -- header or data cell --
  522         nowrap (nowrap)  #IMPLIED  -- suppress word wrap --
  523         rowspan NUMBER   1         -- number of rows spanned by cell --
  524         colspan NUMBER   1         -- number of cols spanned by cell --
  525         %cell.halign;              -- horizontal alignment in cell --
  526         %cell.valign;              -- vertical alignment in cell --
  527         width   %Pixels  #IMPLIED  -- suggested width for cell --
  528         height  %Pixels  #IMPLIED  -- suggested height for cell --
  529         >
  530 
  531 <!--================ Document Head ========================================-->
  532 
  533 <!-- %head.misc defined earlier on as "SCRIPT|STYLE|META|LINK" -->
  534 
  535 <!ENTITY % head.content "TITLE & ISINDEX? & BASE?">
  536 
  537 <!ELEMENT HEAD O O  (%head.content) +(%head.misc)>
  538 
  539 <!ELEMENT TITLE - -  (#PCDATA)* -(%head.misc)
  540           -- The TITLE element is not considered part of the flow of text.
  541              It should be displayed, for example as the page header or
  542              window title.
  543           -->
  544 
  545 <!ELEMENT ISINDEX - O EMPTY>
  546 <!ATTLIST ISINDEX
  547         prompt CDATA #IMPLIED -- prompt message -->
  548 
  549 <!--
  550     The BASE element gives an absolute URL for dereferencing relative
  551     URLs, e.g.
  552 
  553          <BASE href="http://foo.com/index.html">
  554          ...
  555          <IMG SRC="images/bar.gif">
  556 
  557     The image is deferenced to
  558 
  559          http://foo.com/images/bar.gif
  560 
  561    In the absence of a BASE element the document URL should be used.
  562    Note that this is not necessarily the same as the URL used to
  563    request the document, as the base URL may be overridden by an HTTP
  564    header accompanying the document.
  565 -->
  566 
  567 <!ELEMENT BASE - O EMPTY>
  568 <!ATTLIST BASE
  569         href %URL  #REQUIRED
  570         >
  571 
  572 <!ELEMENT META - O EMPTY -- Generic Metainformation -->
  573 <!ATTLIST META
  574         http-equiv  NAME    #IMPLIED  -- HTTP response header name  --
  575         name        NAME    #IMPLIED  -- metainformation name       --
  576         content     CDATA   #REQUIRED -- associated information     --
  577         >
  578 
  579 <!-- SCRIPT/STYLE are place holders for transition to next version of HTML -->
  580 
  581 <!ELEMENT STYLE  - - (#PCDATA)*  -(%head.misc) -- style info -->
  582 <!ELEMENT SCRIPT - - (#PCDATA)*  -(%head.misc) -- script statements -->
  583 
  584 <!--================ Document Structure ===================================-->
  585 
  586 <!ENTITY % version.attr "VERSION CDATA #FIXED '%HTML.Version;'">
  587 
  588 <![ %HTML.Deprecated [
  589     <!ENTITY % html.content "HEAD, BODY, PLAINTEXT?">
  590 ]]>
  591 
  592 <!ENTITY % html.content "HEAD, BODY">
  593 
  594 <!ELEMENT HTML O O  (%html.content)>
  595 <!ATTLIST HTML
  596         %version.attr;
  597         >