The Tor Browser: dom/tests/mochitest/dom-level2-html/files/xhtml1-strict.dtd@97036ab72558 (annotated)

dom/tests/mochitest/dom-level2-html/files/xhtml1-strict.dtd@97036ab72558 (annotated)

dom/tests/mochitest/dom-level2-html/files/xhtml1-strict.dtd

Tue, 06 Jan 2015 21:39:09 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Tue, 06 Jan 2015 21:39:09 +0100
branch: TOR_BUG_9701
changeset 8: 97036ab72558
permissions: -rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 <!--
    Extensible HTML version 1.0 Strict DTD
    This is the same as HTML 4 Strict except for
    changes due to the differences between XML and SGML.
    Namespace = http://www.w3.org/1999/xhtml
    For further information, see: http://www.w3.org/TR/xhtml1
    Copyright (c) 1998-2002 W3C (MIT, INRIA, Keio),
    All Rights Reserved.
    This DTD module is identified by the PUBLIC and SYSTEM identifiers:
    PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
    SYSTEM "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"
    $Revision: 1.1 $
    $Date: 2008/03/29 19:06:30 $
 -->
 <!--================ Character mnemonic entities =========================-->
 <!ENTITY % HTMLlat1 PUBLIC
    "-//W3C//ENTITIES Latin 1 for XHTML//EN"
    "xhtml-lat1.ent">
 %HTMLlat1;
 <!ENTITY % HTMLsymbol PUBLIC
    "-//W3C//ENTITIES Symbols for XHTML//EN"
    "xhtml-symbol.ent">
 %HTMLsymbol;
 <!ENTITY % HTMLspecial PUBLIC
    "-//W3C//ENTITIES Special for XHTML//EN"
    "xhtml-special.ent">
 %HTMLspecial;
 <!--================== Imported Names ====================================-->
 <!ENTITY % ContentType "CDATA">
     <!-- media type, as per [RFC2045] -->
 <!ENTITY % ContentTypes "CDATA">
     <!-- comma-separated list of media types, as per [RFC2045] -->
 <!ENTITY % Charset "CDATA">
     <!-- a character encoding, as per [RFC2045] -->
 <!ENTITY % Charsets "CDATA">
     <!-- a space separated list of character encodings, as per [RFC2045] -->
 <!ENTITY % LanguageCode "NMTOKEN">
     <!-- a language code, as per [RFC3066] -->
 <!ENTITY % Character "CDATA">
     <!-- a single character, as per section 2.2 of [XML] -->
 <!ENTITY % Number "CDATA">
     <!-- one or more digits -->
 <!ENTITY % LinkTypes "CDATA">
     <!-- space-separated list of link types -->
 <!ENTITY % MediaDesc "CDATA">
     <!-- single or comma-separated list of media descriptors -->
 <!ENTITY % URI "CDATA">
     <!-- a Uniform Resource Identifier, see [RFC2396] -->
 <!ENTITY % UriList "CDATA">
     <!-- a space separated list of Uniform Resource Identifiers -->
 <!ENTITY % Datetime "CDATA">
     <!-- date and time information. ISO date format -->
 <!ENTITY % Script "CDATA">
     <!-- script expression -->
 <!ENTITY % StyleSheet "CDATA">
     <!-- style sheet data -->
 <!ENTITY % Text "CDATA">
     <!-- used for titles etc. -->
 <!ENTITY % Length "CDATA">
     <!-- nn for pixels or nn% for percentage length -->
 <!ENTITY % MultiLength "CDATA">
     <!-- pixel, percentage, or relative -->
 <!ENTITY % Pixels "CDATA">
     <!-- integer representing length in pixels -->
 <!-- these are used for image maps -->
 <!ENTITY % Shape "(rect|circle|poly|default)">
 <!ENTITY % Coords "CDATA">
     <!-- comma separated list of lengths -->
 <!--=================== Generic Attributes ===============================-->
 <!-- core attributes common to most elements
   id       document-wide unique id
   class    space separated list of classes
   style    associated style info
   title    advisory title/amplification
 -->
 <!ENTITY % coreattrs
  "id          ID             #IMPLIED
   class       CDATA          #IMPLIED
   style       %StyleSheet;   #IMPLIED
   title       %Text;         #IMPLIED"
   >
 <!-- internationalization attributes
   lang        language code (backwards compatible)
   xml:lang    language code (as per XML 1.0 spec)
   dir         direction for weak/neutral text
 -->
 <!ENTITY % i18n
  "lang        %LanguageCode; #IMPLIED
   xml:lang    %LanguageCode; #IMPLIED
   dir         (ltr|rtl)      #IMPLIED"
   >
 <!-- attributes for common UI events
   onclick     a pointer button was clicked
   ondblclick  a pointer button was double clicked
   onmousedown a pointer button was pressed down
   onmouseup   a pointer button was released
   onmousemove a pointer was moved onto the element
   onmouseout  a pointer was moved away from the element
   onkeypress  a key was pressed and released
   onkeydown   a key was pressed down
   onkeyup     a key was released
 -->
 <!ENTITY % events
  "onclick     %Script;       #IMPLIED
   ondblclick  %Script;       #IMPLIED
   onmousedown %Script;       #IMPLIED
   onmouseup   %Script;       #IMPLIED
   onmouseover %Script;       #IMPLIED
   onmousemove %Script;       #IMPLIED
   onmouseout  %Script;       #IMPLIED
   onkeypress  %Script;       #IMPLIED
   onkeydown   %Script;       #IMPLIED
   onkeyup     %Script;       #IMPLIED"
   >
 <!-- attributes for elements that can get the focus
   accesskey   accessibility key character
   tabindex    position in tabbing order
   onfocus     the element got the focus
   onblur      the element lost the focus
 -->
 <!ENTITY % focus
  "accesskey   %Character;    #IMPLIED
   tabindex    %Number;       #IMPLIED
   onfocus     %Script;       #IMPLIED
   onblur      %Script;       #IMPLIED"
   >
 <!ENTITY % attrs "%coreattrs; %i18n; %events;">
 <!--=================== Text Elements ====================================-->
 <!ENTITY % special.pre
    "br | span | bdo | map">
 <!ENTITY % special
    "%special.pre; | object | img ">
 <!ENTITY % fontstyle "tt | i | b | big | small ">
 <!ENTITY % phrase "em | strong | dfn | code | q |
                    samp | kbd | var | cite | abbr | acronym | sub | sup ">
 <!ENTITY % inline.forms "input | select | textarea | label | button">
 <!-- these can occur at block or inline level -->
 <!ENTITY % misc.inline "ins | del | script">
 <!-- these can only occur at block level -->
 <!ENTITY % misc "noscript | %misc.inline;">
 <!ENTITY % inline "a | %special; | %fontstyle; | %phrase; | %inline.forms;">
 <!-- %Inline; covers inline or "text-level" elements -->
 <!ENTITY % Inline "(#PCDATA | %inline; | %misc.inline;)*">
 <!--================== Block level elements ==============================-->
 <!ENTITY % heading "h1|h2|h3|h4|h5|h6">
 <!ENTITY % lists "ul | ol | dl">
 <!ENTITY % blocktext "pre | hr | blockquote | address">
 <!ENTITY % block
      "p | %heading; | div | %lists; | %blocktext; | fieldset | table">
 <!ENTITY % Block "(%block; | form | %misc;)*">
 <!-- %Flow; mixes block and inline and is used for list items etc. -->
 <!ENTITY % Flow "(#PCDATA | %block; | form | %inline; | %misc;)*">
 <!--================== Content models for exclusions =====================-->
 <!-- a elements use %Inline; excluding a -->
 <!ENTITY % a.content
    "(#PCDATA | %special; | %fontstyle; | %phrase; | %inline.forms; | %misc.inline;)*">
 <!-- pre uses %Inline excluding big, small, sup or sup -->
 <!ENTITY % pre.content
    "(#PCDATA | a | %fontstyle; | %phrase; | %special.pre; | %misc.inline;
       | %inline.forms;)*">
 <!-- form uses %Block; excluding form -->
 <!ENTITY % form.content "(%block; | %misc;)*">
 <!-- button uses %Flow; but excludes a, form and form controls -->
 <!ENTITY % button.content
    "(#PCDATA | p | %heading; | div | %lists; | %blocktext; |
     table | %special; | %fontstyle; | %phrase; | %misc;)*">
 <!--================ Document Structure ==================================-->
 <!-- the namespace URI designates the document profile -->
 <!ELEMENT html (head, body)>
 <!ATTLIST html
   %i18n;
   id          ID             #IMPLIED
   xmlns       %URI;          #FIXED 'http://www.w3.org/1999/xhtml'
   >
 <!--================ Document Head =======================================-->
 <!ENTITY % head.misc "(script|style|meta|link|object)*">
 <!-- content model is %head.misc; combined with a single
      title and an optional base element in any order -->
 <!ELEMENT head (%head.misc;,
      ((title, %head.misc;, (base, %head.misc;)?) |
       (base, %head.misc;, (title, %head.misc;))))>
 <!ATTLIST head
   %i18n;
   id          ID             #IMPLIED
   profile     %URI;          #IMPLIED
   >
 <!-- 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. Exactly one title is required per document.
     -->
 <!ELEMENT title (#PCDATA)>
 <!ATTLIST title
   %i18n;
   id          ID             #IMPLIED
   >
 <!-- document base URI -->
 <!ELEMENT base EMPTY>
 <!ATTLIST base
   href        %URI;          #REQUIRED
   id          ID             #IMPLIED
   >
 <!-- generic metainformation -->
 <!ELEMENT meta EMPTY>
 <!ATTLIST meta
   %i18n;
   id          ID             #IMPLIED
   http-equiv  CDATA          #IMPLIED
   name        CDATA          #IMPLIED
   content     CDATA          #REQUIRED
   scheme      CDATA          #IMPLIED
   >
 <!--
   Relationship values can be used in principle:
    a) for document specific toolbars/menus when used
       with the link element in document head e.g.
         start, contents, previous, next, index, end, help
    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 or PDF version (rel="alternate" media="print")
 -->
 <!ELEMENT link EMPTY>
 <!ATTLIST link
   %attrs;
   charset     %Charset;      #IMPLIED
   href        %URI;          #IMPLIED
   hreflang    %LanguageCode; #IMPLIED
   type        %ContentType;  #IMPLIED
   rel         %LinkTypes;    #IMPLIED
   rev         %LinkTypes;    #IMPLIED
   media       %MediaDesc;    #IMPLIED
   >
 <!-- style info, which may include CDATA sections -->
 <!ELEMENT style (#PCDATA)>
 <!ATTLIST style
   %i18n;
   id          ID             #IMPLIED
   type        %ContentType;  #REQUIRED
   media       %MediaDesc;    #IMPLIED
   title       %Text;         #IMPLIED
   xml:space   (preserve)     #FIXED 'preserve'
   >
 <!-- script statements, which may include CDATA sections -->
 <!ELEMENT script (#PCDATA)>
 <!ATTLIST script
   id          ID             #IMPLIED
   charset     %Charset;      #IMPLIED
   type        %ContentType;  #REQUIRED
   src         %URI;          #IMPLIED
   defer       (defer)        #IMPLIED
   xml:space   (preserve)     #FIXED 'preserve'
   >
 <!-- alternate content container for non script-based rendering -->
 <!ELEMENT noscript %Block;>
 <!ATTLIST noscript
   %attrs;
   >
 <!--=================== Document Body ====================================-->
 <!ELEMENT body %Block;>
 <!ATTLIST body
   %attrs;
   onload          %Script;   #IMPLIED
   onunload        %Script;   #IMPLIED
   >
 <!ELEMENT div %Flow;>  <!-- generic language/style container -->
 <!ATTLIST div
   %attrs;
   >
 <!--=================== Paragraphs =======================================-->
 <!ELEMENT p %Inline;>
 <!ATTLIST p
   %attrs;
   >
 <!--=================== Headings =========================================-->
 <!--
   There are six levels of headings from h1 (the most important)
   to h6 (the least important).
 -->
 <!ELEMENT h1  %Inline;>
 <!ATTLIST h1
    %attrs;
    >
 <!ELEMENT h2 %Inline;>
 <!ATTLIST h2
    %attrs;
    >
 <!ELEMENT h3 %Inline;>
 <!ATTLIST h3
    %attrs;
    >
 <!ELEMENT h4 %Inline;>
 <!ATTLIST h4
    %attrs;
    >
 <!ELEMENT h5 %Inline;>
 <!ATTLIST h5
    %attrs;
    >
 <!ELEMENT h6 %Inline;>
 <!ATTLIST h6
    %attrs;
    >
 <!--=================== Lists ============================================-->
 <!-- Unordered list -->
 <!ELEMENT ul (li)+>
 <!ATTLIST ul
   %attrs;
   >
 <!-- Ordered (numbered) list -->
 <!ELEMENT ol (li)+>
 <!ATTLIST ol
   %attrs;
   >
 <!-- list item -->
 <!ELEMENT li %Flow;>
 <!ATTLIST li
   %attrs;
   >
 <!-- definition lists - dt for term, dd for its definition -->
 <!ELEMENT dl (dt|dd)+>
 <!ATTLIST dl
   %attrs;
   >
 <!ELEMENT dt %Inline;>
 <!ATTLIST dt
   %attrs;
   >
 <!ELEMENT dd %Flow;>
 <!ATTLIST dd
   %attrs;
   >
 <!--=================== Address ==========================================-->
 <!-- information on author -->
 <!ELEMENT address %Inline;>
 <!ATTLIST address
   %attrs;
   >
 <!--=================== Horizontal Rule ==================================-->
 <!ELEMENT hr EMPTY>
 <!ATTLIST hr
   %attrs;
   >
 <!--=================== Preformatted Text ================================-->
 <!-- content is %Inline; excluding "img|object|big|small|sub|sup" -->
 <!ELEMENT pre %pre.content;>
 <!ATTLIST pre
   %attrs;
   xml:space (preserve) #FIXED 'preserve'
   >
 <!--=================== Block-like Quotes ================================-->
 <!ELEMENT blockquote %Block;>
 <!ATTLIST blockquote
   %attrs;
   cite        %URI;          #IMPLIED
   >
 <!--=================== Inserted/Deleted Text ============================-->
 <!--
   ins/del are allowed in block and inline content, but its
   inappropriate to include block content within an ins element
   occurring in inline content.
 -->
 <!ELEMENT ins %Flow;>
 <!ATTLIST ins
   %attrs;
   cite        %URI;          #IMPLIED
   datetime    %Datetime;     #IMPLIED
   >
 <!ELEMENT del %Flow;>
 <!ATTLIST del
   %attrs;
   cite        %URI;          #IMPLIED
   datetime    %Datetime;     #IMPLIED
   >
 <!--================== The Anchor Element ================================-->
 <!-- content is %Inline; except that anchors shouldn't be nested -->
 <!ELEMENT a %a.content;>
 <!ATTLIST a
   %attrs;
   %focus;
   charset     %Charset;      #IMPLIED
   type        %ContentType;  #IMPLIED
   name        NMTOKEN        #IMPLIED
   href        %URI;          #IMPLIED
   hreflang    %LanguageCode; #IMPLIED
   rel         %LinkTypes;    #IMPLIED
   rev         %LinkTypes;    #IMPLIED
   shape       %Shape;        "rect"
   coords      %Coords;       #IMPLIED
   >
 <!--===================== Inline Elements ================================-->
 <!ELEMENT span %Inline;> <!-- generic language/style container -->
 <!ATTLIST span
   %attrs;
   >
 <!ELEMENT bdo %Inline;>  <!-- I18N BiDi over-ride -->
 <!ATTLIST bdo
   %coreattrs;
   %events;
   lang        %LanguageCode; #IMPLIED
   xml:lang    %LanguageCode; #IMPLIED
   dir         (ltr|rtl)      #REQUIRED
   >
 <!ELEMENT br EMPTY>   <!-- forced line break -->
 <!ATTLIST br
   %coreattrs;
   >
 <!ELEMENT em %Inline;>   <!-- emphasis -->
 <!ATTLIST em %attrs;>
 <!ELEMENT strong %Inline;>   <!-- strong emphasis -->
 <!ATTLIST strong %attrs;>
 <!ELEMENT dfn %Inline;>   <!-- definitional -->
 <!ATTLIST dfn %attrs;>
 <!ELEMENT code %Inline;>   <!-- program code -->
 <!ATTLIST code %attrs;>
 <!ELEMENT samp %Inline;>   <!-- sample -->
 <!ATTLIST samp %attrs;>
 <!ELEMENT kbd %Inline;>  <!-- something user would type -->
 <!ATTLIST kbd %attrs;>
 <!ELEMENT var %Inline;>   <!-- variable -->
 <!ATTLIST var %attrs;>
 <!ELEMENT cite %Inline;>   <!-- citation -->
 <!ATTLIST cite %attrs;>
 <!ELEMENT abbr %Inline;>   <!-- abbreviation -->
 <!ATTLIST abbr %attrs;>
 <!ELEMENT acronym %Inline;>   <!-- acronym -->
 <!ATTLIST acronym %attrs;>
 <!ELEMENT q %Inline;>   <!-- inlined quote -->
 <!ATTLIST q
   %attrs;
   cite        %URI;          #IMPLIED
   >
 <!ELEMENT sub %Inline;> <!-- subscript -->
 <!ATTLIST sub %attrs;>
 <!ELEMENT sup %Inline;> <!-- superscript -->
 <!ATTLIST sup %attrs;>
 <!ELEMENT tt %Inline;>   <!-- fixed pitch font -->
 <!ATTLIST tt %attrs;>
 <!ELEMENT i %Inline;>   <!-- italic font -->
 <!ATTLIST i %attrs;>
 <!ELEMENT b %Inline;>   <!-- bold font -->
 <!ATTLIST b %attrs;>
 <!ELEMENT big %Inline;>   <!-- bigger font -->
 <!ATTLIST big %attrs;>
 <!ELEMENT small %Inline;>   <!-- smaller font -->
 <!ATTLIST small %attrs;>
 <!--==================== Object ======================================-->
 <!--
   object is used to embed objects as part of HTML pages.
   param elements should precede other content. Parameters
   can also be expressed as attribute/value pairs on the
   object element itself when brevity is desired.
 -->
 <!ELEMENT object (#PCDATA | param | %block; | form | %inline; | %misc;)*>
 <!ATTLIST object
   %attrs;
   declare     (declare)      #IMPLIED
   classid     %URI;          #IMPLIED
   codebase    %URI;          #IMPLIED
   data        %URI;          #IMPLIED
   type        %ContentType;  #IMPLIED
   codetype    %ContentType;  #IMPLIED
   archive     %UriList;      #IMPLIED
   standby     %Text;         #IMPLIED
   height      %Length;       #IMPLIED
   width       %Length;       #IMPLIED
   usemap      %URI;          #IMPLIED
   name        NMTOKEN        #IMPLIED
   tabindex    %Number;       #IMPLIED
   >
 <!--
   param is used to supply a named property value.
   In XML it would seem natural to follow RDF and support an
   abbreviated syntax where the param elements are replaced
   by attribute value pairs on the object start tag.
 -->
 <!ELEMENT param EMPTY>
 <!ATTLIST param
   id          ID             #IMPLIED
   name        CDATA          #IMPLIED
   value       CDATA          #IMPLIED
   valuetype   (data|ref|object) "data"
   type        %ContentType;  #IMPLIED
   >
 <!--=================== Images ===========================================-->
 <!--
    To avoid accessibility problems for people who aren't
    able to see the image, you should provide a text
    description using the alt and longdesc attributes.
    In addition, avoid the use of server-side image maps.
    Note that in this DTD there is no name attribute. That
    is only available in the transitional and frameset DTD.
 -->
 <!ELEMENT img EMPTY>
 <!ATTLIST img
   %attrs;
   src         %URI;          #REQUIRED
   alt         %Text;         #REQUIRED
   longdesc    %URI;          #IMPLIED
   height      %Length;       #IMPLIED
   width       %Length;       #IMPLIED
   usemap      %URI;          #IMPLIED
   ismap       (ismap)        #IMPLIED
   >
 <!-- usemap points to a map element which may be in this document
   or an external document, although the latter is not widely supported -->
 <!--================== 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 -->
 <!ELEMENT map ((%block; | form | %misc;)+ | area+)>
 <!ATTLIST map
   %i18n;
   %events;
   id          ID             #REQUIRED
   class       CDATA          #IMPLIED
   style       %StyleSheet;   #IMPLIED
   title       %Text;         #IMPLIED
   name        NMTOKEN        #IMPLIED
   >
 <!ELEMENT area EMPTY>
 <!ATTLIST area
   %attrs;
   %focus;
   shape       %Shape;        "rect"
   coords      %Coords;       #IMPLIED
   href        %URI;          #IMPLIED
   nohref      (nohref)       #IMPLIED
   alt         %Text;         #REQUIRED
   >
 <!--================ Forms ===============================================-->
 <!ELEMENT form %form.content;>   <!-- forms shouldn't be nested -->
 <!ATTLIST form
   %attrs;
   action      %URI;          #REQUIRED
   method      (get|post)     "get"
   enctype     %ContentType;  "application/x-www-form-urlencoded"
   onsubmit    %Script;       #IMPLIED
   onreset     %Script;       #IMPLIED
   accept      %ContentTypes; #IMPLIED
   accept-charset %Charsets;  #IMPLIED
   >
 <!--
   Each label must not contain more than ONE field
   Label elements shouldn't be nested.
 -->
 <!ELEMENT label %Inline;>
 <!ATTLIST label
   %attrs;
   for         IDREF          #IMPLIED
   accesskey   %Character;    #IMPLIED
   onfocus     %Script;       #IMPLIED
   onblur      %Script;       #IMPLIED
   >
 <!ENTITY % InputType
   "(text | password | checkbox |
     radio | submit | reset |
     file | hidden | image | button)"
    >
 <!-- the name attribute is required for all but submit & reset -->
 <!ELEMENT input EMPTY>     <!-- form control -->
 <!ATTLIST input
   %attrs;
   %focus;
   type        %InputType;    "text"
   name        CDATA          #IMPLIED
   value       CDATA          #IMPLIED
   checked     (checked)      #IMPLIED
   disabled    (disabled)     #IMPLIED
   readonly    (readonly)     #IMPLIED
   size        CDATA          #IMPLIED
   maxlength   %Number;       #IMPLIED
   src         %URI;          #IMPLIED
   alt         CDATA          #IMPLIED
   usemap      %URI;          #IMPLIED
   onselect    %Script;       #IMPLIED
   onchange    %Script;       #IMPLIED
   accept      %ContentTypes; #IMPLIED
   >
 <!ELEMENT select (optgroup|option)+>  <!-- option selector -->
 <!ATTLIST select
   %attrs;
   name        CDATA          #IMPLIED
   size        %Number;       #IMPLIED
   multiple    (multiple)     #IMPLIED
   disabled    (disabled)     #IMPLIED
   tabindex    %Number;       #IMPLIED
   onfocus     %Script;       #IMPLIED
   onblur      %Script;       #IMPLIED
   onchange    %Script;       #IMPLIED
   >
 <!ELEMENT optgroup (option)+>   <!-- option group -->
 <!ATTLIST optgroup
   %attrs;
   disabled    (disabled)     #IMPLIED
   label       %Text;         #REQUIRED
   >
 <!ELEMENT option (#PCDATA)>     <!-- selectable choice -->
 <!ATTLIST option
   %attrs;
   selected    (selected)     #IMPLIED
   disabled    (disabled)     #IMPLIED
   label       %Text;         #IMPLIED
   value       CDATA          #IMPLIED
   >
 <!ELEMENT textarea (#PCDATA)>     <!-- multi-line text field -->
 <!ATTLIST textarea
   %attrs;
   %focus;
   name        CDATA          #IMPLIED
   rows        %Number;       #REQUIRED
   cols        %Number;       #REQUIRED
   disabled    (disabled)     #IMPLIED
   readonly    (readonly)     #IMPLIED
   onselect    %Script;       #IMPLIED
   onchange    %Script;       #IMPLIED
   >
 <!--
   The fieldset element is used to group form fields.
   Only one legend element should occur in the content
   and if present should only be preceded by whitespace.
 -->
 <!ELEMENT fieldset (#PCDATA | legend | %block; | form | %inline; | %misc;)*>
 <!ATTLIST fieldset
   %attrs;
   >
 <!ELEMENT legend %Inline;>     <!-- fieldset label -->
 <!ATTLIST legend
   %attrs;
   accesskey   %Character;    #IMPLIED
   >
 <!--
  Content is %Flow; excluding a, form and form controls
 -->
 <!ELEMENT button %button.content;>  <!-- push button -->
 <!ATTLIST button
   %attrs;
   %focus;
   name        CDATA          #IMPLIED
   value       CDATA          #IMPLIED
   type        (button|submit|reset) "submit"
   disabled    (disabled)     #IMPLIED
   >
 <!--======================= Tables =======================================-->
 <!-- Derived from IETF HTML table standard, see [RFC1942] -->
 <!--
  The border attribute sets the thickness of the frame around the
  table. The default units are screen pixels.
  The frame attribute specifies which parts of the frame around
  the table should be rendered. The values are not the same as
  CALS to avoid a name clash with the valign attribute.
 -->
 <!ENTITY % TFrame "(void|above|below|hsides|lhs|rhs|vsides|box|border)">
 <!--
  The rules attribute defines which rules to draw between cells:
  If rules is absent then assume:
      "none" if border is absent or border="0" otherwise "all"
 -->
 <!ENTITY % TRules "(none | groups | rows | cols | all)">
 <!-- horizontal alignment attributes for cell contents
   char        alignment char, e.g. char=':'
   charoff     offset for alignment char
 -->
 <!ENTITY % cellhalign
   "align      (left|center|right|justify|char) #IMPLIED
    char       %Character;    #IMPLIED
    charoff    %Length;       #IMPLIED"
   >
 <!-- vertical alignment attributes for cell contents -->
 <!ENTITY % cellvalign
   "valign     (top|middle|bottom|baseline) #IMPLIED"
   >
 <!ELEMENT table
      (caption?, (col*|colgroup*), thead?, tfoot?, (tbody+|tr+))>
 <!ELEMENT caption  %Inline;>
 <!ELEMENT thead    (tr)+>
 <!ELEMENT tfoot    (tr)+>
 <!ELEMENT tbody    (tr)+>
 <!ELEMENT colgroup (col)*>
 <!ELEMENT col      EMPTY>
 <!ELEMENT tr       (th|td)+>
 <!ELEMENT th       %Flow;>
 <!ELEMENT td       %Flow;>
 <!ATTLIST table
   %attrs;
   summary     %Text;         #IMPLIED
   width       %Length;       #IMPLIED
   border      %Pixels;       #IMPLIED
   frame       %TFrame;       #IMPLIED
   rules       %TRules;       #IMPLIED
   cellspacing %Length;       #IMPLIED
   cellpadding %Length;       #IMPLIED
   >
 <!ATTLIST caption
   %attrs;
   >
 <!--
 colgroup groups a set of col elements. It allows you to group
 several semantically related columns together.
 -->
 <!ATTLIST colgroup
   %attrs;
   span        %Number;       "1"
   width       %MultiLength;  #IMPLIED
   %cellhalign;
   %cellvalign;
   >
 <!--
  col elements define the alignment properties for cells in
  one or more columns.
  The width attribute specifies the width of the columns, e.g.
      width=64        width in screen pixels
      width=0.5*      relative width of 0.5
  The span attribute causes the attributes of one
  col element to apply to more than one column.
 -->
 <!ATTLIST col
   %attrs;
   span        %Number;       "1"
   width       %MultiLength;  #IMPLIED
   %cellhalign;
   %cellvalign;
   >
 <!--
     Use thead to duplicate headers when breaking table
     across page boundaries, or for static headers when
     tbody sections are rendered in scrolling panel.
     Use tfoot to duplicate footers when breaking table
     across page boundaries, or for static footers when
     tbody sections are rendered in scrolling panel.
     Use multiple tbody sections when rules are needed
     between groups of table rows.
 -->
 <!ATTLIST thead
   %attrs;
   %cellhalign;
   %cellvalign;
   >
 <!ATTLIST tfoot
   %attrs;
   %cellhalign;
   %cellvalign;
   >
 <!ATTLIST tbody
   %attrs;
   %cellhalign;
   %cellvalign;
   >
 <!ATTLIST tr
   %attrs;
   %cellhalign;
   %cellvalign;
   >
 <!-- Scope is simpler than headers attribute for common tables -->
 <!ENTITY % Scope "(row|col|rowgroup|colgroup)">
 <!-- th is for headers, td for data and for cells acting as both -->
 <!ATTLIST th
   %attrs;
   abbr        %Text;         #IMPLIED
   axis        CDATA          #IMPLIED
   headers     IDREFS         #IMPLIED
   scope       %Scope;        #IMPLIED
   rowspan     %Number;       "1"
   colspan     %Number;       "1"
   %cellhalign;
   %cellvalign;
   >
 <!ATTLIST td
   %attrs;
   abbr        %Text;         #IMPLIED
   axis        CDATA          #IMPLIED
   headers     IDREFS         #IMPLIED
   scope       %Scope;        #IMPLIED
   rowspan     %Number;       "1"
   colspan     %Number;       "1"
   %cellhalign;
   %cellvalign;
   >

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