XHTML 1.0 Strict DTD | HTML & XHTML: The Complete Reference (Osborne Complete Reference Series)

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 <!--    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: 2002/08/01 13:56:03 $     -->     <!--================ 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 "(rectcirclepolydefault)">     <!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         (ltrrtl)      #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 "h1h2h3h4h5h6"> <!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 "(scriptstylemetalinkobject)*">     <!-- 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 (dtdd)+> <!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 "imgobjectbigsmallsubsup" -->     <!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 it's 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         (ltrrtl)      #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   (datarefobject) "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      (getpost)     "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 (optgroupoption)+>  <!-- 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        (buttonsubmitreset) "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 "(voidabovebelowhsideslhsrhsvsidesboxborder)">     <!--  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      (leftcenterrightjustifychar) #IMPLIED    char       %Character;    #IMPLIED    charoff    %Length;       #IMPLIED"   >     <!-- vertical alignment attributes for cell contents --> <!ENTITY % cellvalign   "valign     (topmiddlebottombaseline) #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       (thtd)+> <!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 "(rowcolrowgroupcolgroup)">     <!-- 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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