This table groups the HTML elements after the modules in XHTML Modularization. While HTML 4.01 isn't modularized, the same elements and attributes are used, with the exception of the xmlns namespace attribute, Ruby, WML and Obsolete. HTML 4.01 Strict additionally does not include the elements and attributes marked as Legacy.
Opera supports HTML 4.01 with these exceptions:
option element.col width attribute does not support multilengths.object standby and declare attributes are not supported.char and charoff are not supported.XHTML 1.0 Transitional includes all of the elements and attributes below, except for Ruby, WML, and Obsolete. XHTML 1.0 Strict additionally does not include the elements and attributes marked as Legacy.
Opera does not have a XHTML content-type mode of text/html. XHTML written as text/html is handled
just like HTML.
Opera supports XHTML 1.1 with these exceptions:
col width attribute does not support multilengths.object standby and declare attributes are not supported.table cell attributes char and charoff are not supported.Opera supports XHTML Basic with the following exceptions:
standby, declare attributes are not supported.inputmode attribute is supported, however
Opera supports the XHTML Mobile Profile 1.0 and 1.1 and extensions to XHTML Basic with no exceptions.
declare attribute of object.Opera fully supports the XHTML+Voice profile (and the Mobile Profile subset).
application/xml,
application/xhtml+xml, application/x-xhtml+voice+xml) for XML Events to take effect.Wireless Markup Language versions 1.0 to 1.3, while based on an HTML subset, must be considered a separate markup language for most practical purposes. WML 2.0 can better be considered an extension of XHTML Basic with WML 1.3 features. Opera supports WML 1.3 and 2.0 with the following exceptions:
columns attribute<lang:class>wml:getvar elementWML 1.3 includes the elements marked with "1.3" and "[1.3]" in the WML column. WML 1.3 does not support XML namespaces, and does not use the wml: prefix. WML 1.3 handling is triggered by the WML content type.
WML 2.0 includes the elements marked with "1.3" and "2.0" in the WML column. WML 2.0 does support XML namespaces, with a predetermined wml: prefix. WML 2.0 is triggered by the XHTML content type and the proper DOCTYPE.
NA: the designation NA refers to some attributes that do not require browser support other than being placed in the Document Object Model (DOM) for use by Assistive Technologies, etc.
| Element/Attribute | XHTML Module | WML | Support |
|---|---|---|---|
| <html> | Structure | — | Yes |
| dir | Structure | — | Yes |
| lang | Structure | — | Yes |
| version | Structure | — | NA |
| xml:lang | Structure | 2.0 | Yes |
| xmlns | Structure | — | Yes (XHTML) |
| wml:use-xml-fragments | WML | 1.3 | Yes |
| wml:onenterforward | WML | 1.3 | Yes |
| wml:ontimer | WML | 1.3 | Yes |
| <head> | Structure | 1.3 | Yes |
| profile | Structure | 2.0 | NA |
| dir | Structure | — | Yes |
| lang | Structure | — | Yes |
| xml:lang | Structure | 2.0 | Yes |
| <title> | Structure | 2.0 | Yes |
| dir | Structure | — | Yes |
| lang | Structure | — | Yes |
| xml:lang | Structure | 2.0 | Yes |
| <body> | Structure | — | Yes |
| onload | Intrinsic Events | — | Yes |
| onunload | Intrinsic Events | — | Yes |
| background | Legacy | — | Yes |
| text | Legacy | — | Yes |
| link | Legacy | — | Yes |
| vlink | Legacy | — | Yes |
| alink | Legacy | — | Yes |
| bgcolor | Legacy | — | Yes |
| class | Structure | 2.0 | Yes |
| id | Structure | 2.0 | Yes |
| title | Structure | 2.0 | Yes |
| onclick | Structure | — | Yes |
| ondblclick | Structure | — | Yes |
| onmousedown | Structure | — | Yes |
| onmouseup | Structure | — | Yes |
| onmouseover | Structure | — | Yes |
| onmousemove | Structure | — | Yes |
| onmouseout | Structure | — | Yes |
| onkeypress | Structure | — | Yes |
| onkeydown | Structure | — | Yes |
| onkeyup | Structure | — | Yes |
| dir | Structure | — | Yes |
| lang | Structure | — | Yes |
| xml:lang | Structure | 2.0 | Yes |
| style | Structure | 2.0 | Yes |
| wml:newcontext | WML | 1.3 | Yes |
| wml:onenterforward | WML | 1.3 | Yes |
| wml:ontimer | WML | 1.3 | Yes |
| <div> | Text | 2.0 | Yes |
| align | Legacy | — | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <span> | Text | 2.0 | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <h1> | Text | 2.0 | Yes |
| align | Legacy | — | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <h2> | Text | 2.0 | Yes |
| align | Legacy | — | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <h3> | Text | 2.0 | Yes |
| align | Legacy | — | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <h4> | Text | 2.0 | Yes |
| align | Legacy | — | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <h5> | Text | 2.0 | Yes |
| align | Legacy | — | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <h6> | Text | 2.0 | Yes |
| align | Legacy | — | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <address> | Text | 2.0 | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <em> | Text | 1.3 | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <strong> | Text | 1.3 | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <dfn> | Text | 2.0 | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | 2.0 | Yes |
| lang | Text | 2.0 | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <code> | Text | 2.0 | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | 2.0 | Yes |
| lang | Text | 2.0 | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <samp> | Text | 2.0 | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <kbd> | Text | 2.0 | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <var> | Text | 2.0 | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <cite> | Text | 2.0 | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <abbr> | Text | 2.0 | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <acronym> | Text | 2.0 | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <blockquote> | Text | 2.0 | Yes |
| cite | Text | 2.0 | Yes |
| <q> | Text | 2.0 | Yes |
| cite | Text | 2.0 | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <p> | Text | 1.3 | Yes |
| align | Legacy | 1.3 | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| wml:mode | WML | 1.3 | Yes |
| <br> | Text | 1.3 | Yes |
| clear | Legacy | — | Yes |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| <pre> | Text | 1.3 | Yes |
| width | Legacy | — | No |
| class | Text | 2.0 | Yes |
| id | Text | 2.0 | Yes |
| title | Text | 2.0 | Yes |
| onclick | Text | — | Yes |
| ondblclick | Text | — | Yes |
| onmousedown | Text | — | Yes |
| onmouseup | Text | — | Yes |
| onmouseover | Text | — | Yes |
| onmousemove | Text | — | Yes |
| onmouseout | Text | — | Yes |
| onkeypress | Text | — | Yes |
| onkeydown | Text | — | Yes |
| onkeyup | Text | — | Yes |
| dir | Text | — | Yes |
| lang | Text | — | Yes |
| xml:lang | Text | 2.0 | Yes |
| style | Text | 2.0 | Yes |
| <sub> | Presentation | — | Yes |
| class | Presentation | 2.0 | Yes |
| id | Presentation | 2.0 | Yes |
| title | Presentation | 2.0 | Yes |
| onclick | Presentation | — | Yes |
| ondblclick | Presentation | — | Yes |
| onmousedown | Presentation | — | Yes |
| onmouseup | Presentation | — | Yes |
| onmouseover | Presentation | — | Yes |
| onmousemove | Presentation | — | Yes |
| onmouseout | Presentation | — | Yes |
| onkeypress | Presentation | — | Yes |
| onkeydown | Presentation | — | Yes |
| onkeyup | Presentation | — | Yes |
| dir | Presentation | — | Yes |
| lang | Presentation | — | Yes |
| xml:lang | Presentation | 2.0 | Yes |
| style | Presentation | 2.0 | Yes |
| <sup> | Presentation | — | Yes |
| class | Presentation | — | Yes |
| id | Presentation | — | Yes |
| title | Presentation | — | Yes |
| onclick | Presentation | — | Yes |
| ondblclick | Presentation | — | Yes |
| onmousedown | Presentation | — | Yes |
| onmouseup | Presentation | — | Yes |
| onmouseover | Presentation | — | Yes |
| onmousemove | Presentation | — | Yes |
| onmouseout | Presentation | — | Yes |
| onkeypress | Presentation | — | Yes |
| onkeydown | Presentation | — | Yes |
| onkeyup | Presentation | — | Yes |
| dir | Presentation | — | Yes |
| lang | Presentation | — | Yes |
| xml:lang | Presentation | 2.0 | Yes |
| style | Presentation | 2.0 | Yes |
| <tt> | Presentation | — | Yes |
| class | Presentation | — | Yes |
| id | Presentation | — | Yes |
| title | Presentation | — | Yes |
| onclick | Presentation | — | Yes |
| ondblclick | Presentation | — | Yes |
| onmousedown | Presentation | — | Yes |
| onmouseup | Presentation | — | Yes |
| onmouseover | Presentation | — | Yes |
| onmousemove | Presentation | — | Yes |
| onmouseout | Presentation | — | Yes |
| onkeypress | Presentation | — | Yes |
| onkeydown | Presentation | — | Yes |
| onkeyup | Presentation | — | Yes |
| dir | Presentation | — | Yes |
| lang | Presentation | — | Yes |
| xml:lang | Presentation | — | Yes |
| style | Presentation | — | Yes |
| <i> | Presentation | 1.3 | Yes |
| class | Presentation | 2.0 | Yes |
| id | Presentation | 2.0 | Yes |
| title | Presentation | 2.0 | Yes |
| onclick | Presentation | — | Yes |
| ondblclick | Presentation | — | Yes |
| onmousedown | Presentation | — | Yes |
| onmouseup | Presentation | — | Yes |
| onmouseover | Presentation | — | Yes |
| onmousemove | Presentation | — | Yes |
| onmouseout | Presentation | — | Yes |
| onkeypress | Presentation | — | Yes |
| onkeydown | Presentation | — | Yes |
| onkeyup | Presentation | — | Yes |
| dir | Presentation | — | Yes |
| lang | Presentation | — | Yes |
| xml:lang | Presentation | 2.0 | Yes |
| style | Presentation | 2.0 | Yes |
| <b> | Presentation | 1.3 | Yes |
| class | Presentation | 2.0 | Yes |
| id | Presentation | 2.0 | Yes |
| title | Presentation | 2.0 | Yes |
| onclick | Presentation | — | Yes |
| ondblclick | Presentation | — | Yes |
| onmousedown | Presentation | — | Yes |
| onmouseup | Presentation | — | Yes |
| onmouseover | Presentation | — | Yes |
| onmousemove | Presentation | — | Yes |
| onmouseout | Presentation | — | Yes |
| onkeypress | Presentation | — | Yes |
| onkeydown | Presentation | — | Yes |
| onkeyup | Presentation | — | Yes |
| dir | Presentation | — | Yes |
| lang | Presentation | — | Yes |
| xml:lang | Presentation | 2.0 | Yes |
| style | Presentation | 2.0 | Yes |
| <big> | Presentation | 1.3 | Yes |
| class | Presentation | 2.0 | Yes |
| id | Presentation | 2.0 | Yes |
| title | Presentation | 2.0 | Yes |
| onclick | Presentation | — | Yes |
| ondblclick | Presentation | — | Yes |
| onmousedown | Presentation | — | Yes |
| onmouseup | Presentation | — | Yes |
| onmouseover | Presentation | — | Yes |
| onmousemove | Presentation | — | Yes |
| onmouseout | Presentation | — | Yes |
| onkeypress | Presentation | — | Yes |
| onkeydown | Presentation | — | Yes |
| onkeyup | Presentation | — | Yes |
| dir | Presentation | — | Yes |
| lang | Presentation | — | Yes |
| xml:lang | Presentation | 2.0 | Yes |
| style | Presentation | 2.0 | Yes |
| <small> | Presentation | 1.3 | Yes |
| class | Presentation | 2.0 | Yes |
| id | Presentation | 2.0 | Yes |
| title | Presentation | 2.0 | Yes |
| onclick | Presentation | — | Yes |
| ondblclick | Presentation | — | Yes |
| onmousedown | Presentation | — | Yes |
| onmouseup | Presentation | — | Yes |
| onmouseover | Presentation | — | Yes |
| onmousemove | Presentation | — | Yes |
| onmouseout | Presentation | — | Yes |
| onkeypress | Presentation | — | Yes |
| onkeydown | Presentation | — | Yes |
| onkeyup | Presentation | — | Yes |
| dir | Presentation | — | Yes |
| lang | Presentation | — | Yes |
| xml:lang | Presentation | — | Yes |
| style | Presentation | — | Yes |
| <hr> | Presentation | 2.0 | Yes |
| align | Presentation | — | Yes |
| noshade | Presentation | — | Yes |
| size | Presentation | — | Yes |
| width | Presentation | — | Yes |
| class | Presentation | 2.0 | Yes |
| id | Presentation | 2.0 | Yes |
| title | Presentation | 2.0 | Yes |
| onclick | Presentation | — | Yes |
| ondblclick | Presentation | — | Yes |
| onmousedown | Presentation | — | Yes |
| onmouseup | Presentation | — | Yes |
| onmouseover | Presentation | — | Yes |
| onmousemove | Presentation | — | Yes |
| onmouseout | Presentation | — | Yes |
| onkeypress | Presentation | — | Yes |
| onkeydown | Presentation | — | Yes |
| onkeyup | Presentation | — | Yes |
| dir | Presentation | — | Yes |
| lang | Presentation | — | Yes |
| xml:lang | Presentation | 2.0 | Yes |
| style | Presentation | 2.0 | Yes |
| <ins> | Edit | — | Yes |
| cite | Edit | — | Yes |
| datetime | Edit | — | Yes |
| class | Edit | — | Yes |
| id | Edit | — | Yes |
| title | Edit | — | Yes |
| onclick | Edit | — | Yes |
| ondblclick | Edit | — | Yes |
| onmousedown | Edit | — | Yes |
| onmouseup | Edit | — | Yes |
| onmouseover | Edit | — | Yes |
| onmousemove | Edit | — | Yes |
| onmouseout | Edit | — | Yes |
| onkeypress | Edit | — | Yes |
| onkeydown | Edit | — | Yes |
| onkeyup | Edit | — | Yes |
| dir | Edit | — | Yes |
| lang | Edit | — | Yes |
| xml:lang | Edit | — | Yes |
| style | Edit | — | Yes |
| <del> | Edit | — | Yes |
| cite | Edit | — | Yes |
| datetime | Edit | — | Yes |
| class | Edit | — | Yes |
| id | Edit | — | Yes |
| title | Edit | — | Yes |
| onclick | Edit | — | Yes |
| ondblclick | Edit | — | Yes |
| onmousedown | Edit | — | Yes |
| onmouseup | Edit | — | Yes |
| onmouseover | Edit | — | Yes |
| onmousemove | Edit | — | Yes |
| onmouseout | Edit | — | Yes |
| onkeypress | Edit | — | Yes |
| onkeydown | Edit | — | Yes |
| onkeyup | Edit | — | Yes |
| dir | Edit | — | Yes |
| lang | Edit | — | Yes |
| xml:lang | Edit | — | Yes |
| style | Edit | — | Yes |
| <ruby> | Ruby | — | No |
| name | Ruby | — | No |
| annotations | Ruby | — | No |
| <rb> | Ruby | — | No |
| <rt> | Ruby | — | No |
| name | Ruby | — | No |
| <rp> | Ruby | — | No |
| <bdo> | Bi-directional Text | — | Yes |
| lang | Bi-directional Text | — | Yes |
| dir | Bi-directional Text | — | Yes |
| class | Bi-directional Text | — | Yes |
| id | Bi-directional Text | — | Yes |
| title | Bi-directional Text | — | Yes |
| <ul> | List | 2.0 | Yes |
| type | Legacy | — | Yes |
| compact | Legacy | — | No |
| class | List | 2.0 | Yes |
| id | List | 2.0 | Yes |
| title | List | 2.0 | Yes |
| onclick | List | — | Yes |
| ondblclick | List | — | Yes |
| onmousedown | List | — | Yes |
| onmouseup | List | — | Yes |
| onmouseover | List | — | Yes |
| onmousemove | List | — | Yes |
| onmouseout | List | — | Yes |
| onkeypress | List | — | Yes |
| onkeydown | List | — | Yes |
| onkeyup | List | — | Yes |
| dir | List | — | Yes |
| lang | List | — | Yes |
| xml:lang | List | 2.0 | Yes |
| style | List | 2.0 | Yes |
| <ol> | List | 2.0 | Yes |
| class | List | 2.0 | Yes |
| id | List | 2.0 | Yes |
| title | List | 2.0 | Yes |
| onclick | List | — | Yes |
| ondblclick | List | — | Yes |
| onmousedown | List | — | Yes |
| onmouseup | List | — | Yes |
| onmouseover | List | — | Yes |
| onmousemove | List | — | Yes |
| onmouseout | List | — | Yes |
| onkeypress | List | — | Yes |
| onkeydown | List | — | Yes |
| onkeyup | List | — | Yes |
| dir | List | — | Yes |
| lang | List | — | Yes |
| xml:lang | List | 2.0 | Yes |
| style | List | 2.0 | Yes |
| type | Legacy | — | Yes |
| start | Legacy | 2.0 | Yes |
| compact | Legacy | — | No |
| <li> | List | 2.0 | Yes |
| class | List | 2.0 | Yes |
| id | List | 2.0 | Yes |
| title | List | 2.0 | Yes |
| onclick | List | — | Yes |
| ondblclick | List | — | Yes |
| onmousedown | List | — | Yes |
| onmouseup | List | — | Yes |
| onmouseover | List | — | Yes |
| onmousemove | List | — | Yes |
| onmouseout | List | — | Yes |
| onkeypress | List | — | Yes |
| onkeydown | List | — | Yes |
| onkeyup | List | — | Yes |
| dir | List | 2.0 | Yes |
| lang | List | 2.0 | Yes |
| xml:lang | List | 2.0 | Yes |
| style | List | 2.0 | Yes |
| type | Legacy | — | Yes |
| value | Legacy | — | Yes |
| compact | Legacy | — | No |
| <dl> | List | 2.0 | Yes |
| class | List | 2.0 | Yes |
| id | List | 2.0 | Yes |
| title | List | 2.0 | Yes |
| onclick | List | — | Yes |
| ondblclick | List | — | Yes |
| onmousedown | List | — | Yes |
| onmouseup | List | — | Yes |
| onmouseover | List | — | Yes |
| onmousemove | List | — | Yes |
| onmouseout | List | — | Yes |
| onkeypress | List | — | Yes |
| onkeydown | List | — | Yes |
| onkeyup | List | — | Yes |
| dir | List | — | Yes |
| lang | List | — | Yes |
| xml:lang | List | 2.0 | Yes |
| style | List | 2.0 | Yes |
| compact | Legacy | — | No |
| <dt> | List | 2.0 | Yes |
| class | List | 2.0 | Yes |
| id | List | 2.0 | Yes |
| title | List | 2.0 | Yes |
| onclick | List | — | Yes |
| ondblclick | List | — | Yes |
| onmousedown | List | — | Yes |
| onmouseup | List | — | Yes |
| onmouseover | List | — | Yes |
| onmousemove | List | — | Yes |
| onmouseout | List | — | Yes |
| onkeypress | List | — | Yes |
| onkeydown | List | — | Yes |
| onkeyup | List | — | Yes |
| dir | List | — | Yes |
| lang | List | — | Yes |
| xml:lang | List | 2.0 | Yes |
| style | List | 2.0 | Yes |
| <dd> | List | 2.0 | Yes |
| class | List | 2.0 | Yes |
| id | List | 2.0 | Yes |
| title | List | 2.0 | Yes |
| onclick | List | — | Yes |
| ondblclick | List | — | Yes |
| onmousedown | List | — | Yes |
| onmouseup | List | — | Yes |
| onmouseover | List | — | Yes |
| onmousemove | List | — | Yes |
| onmouseout | List | — | Yes |
| onkeypress | List | — | Yes |
| onkeydown | List | — | Yes |
| onkeyup | List | — | Yes |
| dir | List | — | Yes |
| lang | List | — | Yes |
| xml:lang | List | 2.0 | Yes |
| style | List | 2.0 | Yes |
| <table> | Basic Tables | 1.3 | Yes |
| summary | Basic Tables | 2.0 | Yes |
| width | Basic Tables | — | Yes |
| class | Basic Tables | 2.0 | Yes |
| id | Basic Tables | 2.0 | Yes |
| title | Basic Tables | 2.0 | Yes |
| onclick | Basic Tables | — | Yes |
| ondblclick | Basic Tables | — | Yes |
| onmousedown | Basic Tables | — | Yes |
| onmouseup | Basic Tables | — | Yes |
| onmouseover | Basic Tables | — | Yes |
| onmousemove | Basic Tables | — | Yes |
| onmouseout | Basic Tables | — | Yes |
| onkeypress | Basic Tables | — | Yes |
| onkeydown | Basic Tables | — | Yes |
| onkeyup | Basic Tables | — | Yes |
| dir | Basic Tables | — | Yes |
| lang | Basic Tables | — | Yes |
| xml:lang | Basic Tables | 2.0 | Yes |
| style | Basic Tables | 2.0 | Yes |
| wml:columns | WML | 1.3 | No |
| wml:align | WML | 1.3 | Yes |
| border | Tables | — | Yes |
| frame | Tables | — | Yes |
| rules | Tables | — | Yes |
| cellspacing | Tables | — | Yes |
| cellpadding | Tables | — | Yes |
| align | Legacy | - | Yes |
| bgcolor | Legacy | — | Yes |
| <caption> | Basic Tables | 2.0 | Yes |
| class | Basic Tables | 2.0 | Yes |
| id | Basic Tables | 2.0 | Yes |
| title | Basic Tables | 2.0 | Yes |
| onclick | Basic Tables | — | Yes |
| ondblclick | Basic Tables | — | Yes |
| onmousedown | Basic Tables | — | Yes |
| onmouseup | Basic Tables | — | Yes |
| onmouseover | Basic Tables | — | Yes |
| onmousemove | Basic Tables | — | Yes |
| onmouseout | Basic Tables | — | Yes |
| onkeypress | Basic Tables | — | Yes |
| onkeydown | Basic Tables | — | Yes |
| onkeyup | Basic Tables | — | Yes |
| dir | Basic Tables | — | Yes |
| lang | Basic Tables | — | Yes |
| xml:lang | Basic Tables | 2.0 | Yes |
| style | Basic Tables | 2.0 | Yes |
| align | Legacy | — | Yes |
| <thead> | Tables | — | Yes |
| align | Tables | — | Yes |
| char | Tables | — | No |
| charoff | Tables | — | No |
| valign | Tables | — | Yes |
| class | Tables | — | Yes |
| id | Tables | — | Yes |
| title | Tables | — | Yes |
| onclick | Tables | — | Yes |
| ondblclick | Tables | — | Yes |
| onmousedown | Tables | — | Yes |
| onmouseup | Tables | — | Yes |
| onmouseover | Tables | — | Yes |
| onmousemove | Tables | — | Yes |
| onmouseout | Tables | — | Yes |
| onkeypress | Tables | — | Yes |
| onkeydown | Tables | — | Yes |
| onkeyup | Tables | — | Yes |
| dir | Tables | — | Yes |
| lang | Tables | — | Yes |
| xml:lang | Tables | — | Yes |
| style | Tables | — | Yes |
| <tfoot> | Tables | — | Yes |
| align | Tables | — | Yes |
| char | Tables | — | No |
| charoff | Tables | — | No |
| valign | Tables | — | Yes |
| class | Tables | — | Yes |
| id | Tables | — | Yes |
| title | Tables | — | Yes |
| onclick | Tables | — | Yes |
| ondblclick | Tables | — | Yes |
| onmousedown | Tables | — | Yes |
| onmouseup | Tables | — | Yes |
| onmouseover | Tables | — | Yes |
| onmousemove | Tables | — | Yes |
| onmouseout | Tables | — | Yes |
| onkeypress | Tables | — | Yes |
| onkeydown | Tables | — | Yes |
| onkeyup | Tables | — | Yes |
| dir | Tables | — | Yes |
| lang | Tables | — | Yes |
| xml:lang | Tables | — | Yes |
| style | Tables | — | Yes |
| <tbody> | Tables | — | Yes |
| align | Tables | — | Yes |
| char | Tables | — | No |
| charoff | Tables | — | No |
| class | Tables | — | Yes |
| id | Tables | — | Yes |
| title | Tables | — | Yes |
| onclick | Tables | — | Yes |
| ondblclick | Tables | — | Yes |
| onmousedown | Tables | — | Yes |
| onmouseup | Tables | — | Yes |
| onmouseover | Tables | — | Yes |
| onmousemove | Tables | — | Yes |
| onmouseout | Tables | — | Yes |
| onkeypress | Tables | — | Yes |
| onkeydown | Tables | — | Yes |
| onkeyup | Tables | — | Yes |
| dir | Tables | — | Yes |
| lang | Tables | — | Yes |
| xml:lang | Tables | — | Yes |
| style | Tables | — | Yes |
| valign | Tables | — | Yes |
| <colgroup> | Tables | — | Yes |
| span | Tables | — | Yes |
| width | Tables | — | Yes |
| align | Tables | — | Yes |
| char | Tables | — | No |
| charoff | Tables | — | No |
| valign | Tables | — | Yes |
| class | Tables | — | Yes |
| id | Tables | — | Yes |
| title | Tables | — | Yes |
| onclick | Tables | — | Yes |
| ondblclick | Tables | — | Yes |
| onmousedown | Tables | — | Yes |
| onmouseup | Tables | — | Yes |
| onmouseover | Tables | — | Yes |
| onmousemove | Tables | — | Yes |
| onmouseout | Tables | — | Yes |
| onkeypress | Tables | — | Yes |
| onkeydown | Tables | — | Yes |
| onkeyup | Tables | — | Yes |
| dir | Tables | — | Yes |
| lang | Tables | — | Yes |
| xml:lang | Tables | — | Yes |
| style | Tables | — | Yes |
| <col> | Tables | — | Yes |
| span | Tables | — | Yes |
| width | Tables | — | Yes (but not multilengths) |
| align | Tables | — | Yes |
| char | Tables | — | No |
| charoff | Tables | — | No |
| valign | Tables | — | Yes |
| class | Tables | — | Yes |
| id | Tables | — | Yes |
| title | Tables | — | Yes |
| onclick | Tables | — | Yes |
| ondblclick | Tables | — | Yes |
| onmousedown | Tables | — | Yes |
| onmouseup | Tables | — | Yes |
| onmouseover | Tables | — | Yes |
| onmousemove | Tables | — | Yes |
| onmouseout | Tables | — | Yes |
| onkeypress | Tables | — | Yes |
| onkeydown | Tables | — | Yes |
| onkeyup | Tables | — | Yes |
| dir | Tables | — | Yes |
| lang | Tables | — | Yes |
| xml:lang | Tables | — | Yes |
| style | Tables | — | Yes |
| <tr> | Basic Tables | 1.3 | Yes |
| bgcolor | Legacy | — | Yes |
| align | Basic Tables | 2.0 | Yes |
| char | Tables | — | No |
| charoff | Tables | — | No |
| valign | Basic Tables | 2.0 | Yes |
| class | Basic Tables | 2.0 | Yes |
| id | Basic Tables | 2.0 | Yes |
| title | Basic Tables | 2.0 | Yes |
| onclick | Basic Tables | — | Yes |
| ondblclick | Basic Tables | — | Yes |
| onmousedown | Basic Tables | — | Yes |
| onmouseup | Basic Tables | — | Yes |
| onmouseover | Basic Tables | — | Yes |
| onmousemove | Basic Tables | — | Yes |
| onmouseout | Basic Tables | — | Yes |
| onkeypress | Basic Tables | — | Yes |
| onkeydown | Basic Tables | — | Yes |
| onkeyup | Basic Tables | — | Yes |
| dir | Basic Tables | — | Yes |
| lang | Basic Tables | — | Yes |
| xml:lang | Basic Tables | 2.0 | Yes |
| style | Basic Tables | 2.0 | Yes |
| <th> | Basic Tables | 2.0 | Yes |
| abbr | Basic Tables | 2.0 | No |
| axis | Basic Tables | 2.0 | No |
| headers | Basic Tables | 2.0 | No |
| scope | Basic Tables | 2.0 | No |
| rowspan | Basic Tables | 2.0 | Yes |
| colspan | Basic Tables | 2.0 | Yes |
| align | Basic Tables | 2.0 | Yes |
| char | Tables | — | No |
| charoff | Tables | — | No |
| valign | Basic Tables | 2.0 | Yes |
| nowrap | Legacy | — | Yes |
| width | Legacy | — | Yes |
| height | Legacy | — | Yes |
| bgcolor | Legacy | — | Yes |
| class | Basic Tables | 2.0 | Yes |
| id | Basic Tables | 2.0 | Yes |
| title | Basic Tables | 2.0 | Yes |
| onclick | Basic Tables | — | Yes |
| ondblclick | Basic Tables | — | Yes |
| onmousedown | Basic Tables | — | Yes |
| onmouseup | Basic Tables | — | Yes |
| onmouseover | Basic Tables | — | Yes |
| onmousemove | Basic Tables | — | Yes |
| onmouseout | Basic Tables | — | Yes |
| onkeypress | Basic Tables | — | Yes |
| onkeydown | Basic Tables | — | Yes |
| onkeyup | Basic Tables | — | Yes |
| dir | Basic Tables | — | Yes |
| lang | Basic Tables | — | Yes |
| xml:lang | Basic Tables | 2.0 | Yes |
| style | Basic Tables | 2.0 | Yes |
| <td> | Basic Tables | 1.3 | Yes |
| abbr | Basic Tables | 2.0 | No |
| axis | Basic Tables | 2.0 | No |
| headers | Basic Tables | 2.0 | No |
| scope | Basic Tables | 2.0 | No |
| rowspan | Basic Tables | 2.0 | Yes |
| colspan | Basic Tables | 2.0 | Yes |
| align | Basic Tables | 2.0 | Yes |
| char | Tables | — | No |
| charoff | Tables | — | No |
| valign | Basic Tables | 2.0 | Yes |
| nowrap | Legacy | — | Yes |
| width | Legacy | — | Yes |
| height | Legacy | — | Yes |
| bgcolor | Legacy | — | Yes |
| class | Basic Tables | 2.0 | Yes |
| id | Basic Tables | 2.0 | Yes |
| title | Basic Tables | 2.0 | Yes |
| onclick | Basic Tables | — | Yes |
| ondblclick | Basic Tables | — | Yes |
| onmousedown | Basic Tables | — | Yes |
| onmouseup | Basic Tables | — | Yes |
| onmouseover | Basic Tables | — | Yes |
| onmousemove | Basic Tables | — | Yes |
| onmouseout | Basic Tables | — | Yes |
| onkeypress | Basic Tables | — | Yes |
| onkeydown | Basic Tables | — | Yes |
| onkeyup | Basic Tables | — | Yes |
| dir | Basic Tables | — | Yes |
| lang | Basic Tables | — | Yes |
| xml:lang | Basic Tables | 2.0 | Yes |
| style | Basic Tables | 2.0 | Yes |
| <a> | Hypertext | 1.3 | Yes |
| charset | Hypertext | 2.0 | Yes |
| type | Hypertext | 2.0 | Yes |
| name | Name | — | Yes |
| href | Hypertext | 1.3 | Yes |
| hreflang | Hypertext | 2.0 | NA |
| rel | Hypertext | 2.0 | Yes |
| rev | Hypertext | 2.0 | Yes |
| accesskey | Hypertext | 1.3 | Yes |
| shape | Client-side Image Map | — | Yes |
| coords | Client-side Image Map | — | Yes |
| tabindex | Hypertext | 2.0 | Yes |
| onfocus | Intrinsic Events | — | Yes |
| onblur | Intrinsic Events | — | Yes |
| class | Hypertext | 2.0 | Yes |
| id | Hypertext | 2.0 | Yes |
| title | Hypertext | 2.0 | Yes |
| onclick | Hypertext | — | Yes |
| ondblclick | Hypertext | — | Yes |
| onmousedown | Hypertext | — | Yes |
| onmouseup | Hypertext | — | Yes |
| onmouseover | Hypertext | — | Yes |
| onmousemove | Hypertext | — | Yes |
| onmouseout | Hypertext | — | Yes |
| onkeypress | Hypertext | — | Yes |
| onkeydown | Hypertext | — | Yes |
| onkeyup | Hypertext | — | Yes |
| dir | Hypertext | — | Yes |
| lang | Hypertext | — | Yes |
| xml:lang | Hypertext | 2.0 | Yes |
| style | Hypertext | 2.0 | Yes |
| target | Target | — | Yes |
| <link> | Link | 1.3 | Yes |
| charset | Link | 2.0 | Yes |
| href | Link | 1.3 | Yes |
| hreflang | Link | 2.0 | Yes |
| type | Link | 2.0 | Yes |
| rel | Link | 2.0 | Yes |
| rev | Link | 2.0 | Yes |
| media | Link | 2.0 | Yes |
| class | Link | 2.0 | Yes |
| id | Link | 2.0 | Yes |
| title | Link | 2.0 | Yes |
| onclick | Link | — | Yes |
| ondblclick | Link | — | Yes |
| onmousedown | Link | — | Yes |
| onmouseup | Link | — | Yes |
| onmouseover | Link | — | Yes |
| onmousemove | Link | — | Yes |
| onmouseout | Link | — | Yes |
| onkeypress | Link | — | Yes |
| onkeydown | Link | — | Yes |
| onkeyup | Link | — | Yes |
| dir | Link | — | Yes |
| lang | Link | — | Yes |
| xml:lang | Link | 2.0 | Yes |
| style | Link | 2.0 | Yes |
| <meta> | Metainformation | 1.3 | Yes |
| http-equiv | Metainformation | 1.3 | Yes |
| name | Metainformation | 1.3 | Yes |
| content | Metainformation | 1.3 | Yes |
| scheme | Metainformation | 1.3 | NA |
| dir | Metainformation | — | Yes |
| lang | Metainformation | — | Yes |
| xml:lang | Metainformation | 2.0 | Yes |
| wml:forua | WML | 1.3 | N/A |
| <base> | Base | 2.0 | Yes |
| href | Base | 2.0 | Yes |
| target | Target | — | Yes |
| <img> | Image | 1.3 | Yes |
| src | Image | 1.3 | Yes |
| alt | Image | 1.3 | Yes |
| longdesc | Image | — | Yes |
| class | Image | 2.0 | Yes |
| id | Image | 2.0 | Yes |
| title | Image | 2.0 | Yes |
| onclick | Image | — | Yes |
| ondblclick | Image | — | Yes |
| onmousedown | Image | — | Yes |
| onmouseup | Image | — | Yes |
| onmouseover | Image | — | Yes |
| onmousemove | Image | — | Yes |
| onmouseout | Image | — | Yes |
| onkeypress | Image | — | Yes |
| onkeydown | Image | — | Yes |
| onkeyup | Image | — | Yes |
| dir | Image | — | Yes |
| lang | Image | — | Yes |
| xml:lang | Image | 2.0 | Yes |
| style | Image | 2.0 | Yes |
| name | Name | — | Yes |
| height | Image | 1.3 | Yes |
| width | Image | 1.3 | Yes |
| usemap | Client-side Image Map | — | Yes |
| ismap | Server-side Image Map | — | Yes |
| align | Legacy | 1.3 | Yes |
| border | Legacy | — | Yes |
| hspace | Legacy | 1.3 | Yes |
| vspace | Legacy | 1.3 | Yes |
| wml:localsrc | WML | 1.3 | No |
| wml:type | WML | 1.3 | Yes |
| <object> | Object | 2.0 | Yes |
| declare | Object | 2.0 | No |
| classid | Object | 2.0 | Yes |
| codebase | Object | 2.0 | Yes |
| data | Object | 2.0 | Yes |
| type | Object | 2.0 | Yes |
| codetype | Object | 2.0 | Yes |
| archive | Object | 2.0 | Yes |
| standby | Object | 2.0 | No |
| height | Object | 2.0 | Yes |
| width | Object | 2.0 | Yes |
| usemap | Client-side Image Map | — | Yes |
| name | Object | 2.0 | Yes |
| tabindex | Object | 2.0 | Yes |
| class | Object | 2.0 | Yes |
| id | Object | 2.0 | Yes |
| title | Object | 2.0 | Yes |
| onclick | Object | — | Yes |
| ondblclick | Object | — | Yes |
| onmousedown | Object | — | Yes |
| onmouseup | Object | — | Yes |
| onmouseover | Object | — | Yes |
| onmousemove | Object | — | Yes |
| onmouseout | Object | — | Yes |
| onkeypress | Object | — | Yes |
| onkeydown | Object | — | Yes |
| onkeyup | Object | — | Yes |
| dir | Object | — | Yes |
| lang | Object | — | Yes |
| xml:lang | Object | 2.0 | Yes |
| style | Object | 2.0 | Yes |
| align | Legacy | — | Yes |
| border | Legacy | — | No |
| hspace | Legacy | — | Yes |
| vspace | Legacy | — | Yes |
| <param> | Object | 2.0 | Yes |
| id | Object | 2.0 | Yes |
| name | Object | 2.0 | Yes |
| value | Object | 2.0 | Yes |
| valuetype | Object | 2.0 | Yes |
| type | Object | 2.0 | Yes |
| <applet> | Applet | — | Yes |
| codebase | Applet | — | Yes |
| archive | Applet | — | Yes |
| code | Applet | — | Yes |
| object | Applet | — | Yes |
| alt | Applet | — | No |
| name | Name | — | Yes |
| width | Applet | — | Yes |
| class | Applet | — | Yes |
| id | Applet | — | Yes |
| title | Applet | — | Yes |
| height | Applet | — | Yes |
| align | Legacy | — | Yes |
| hspace | Legacy | — | Yes |
| vspace | Legacy | — | Yes |
| <map> | Client-side Image Map | — | Yes |
| name | Name | — | Yes |
| id | Client-side Image Map | — | Yes |
| class | Client-side Image Map | — | Yes |
| title | Client-side Image Map | — | Yes |
| dir | Client-side Image Map | — | Yes |
| lang | Client-side Image Map | — | Yes |
| xml:lang | Client-side Image Map | — | Yes |
| onclick | Client-side Image Map | — | Yes |
| ondblclick | Client-side Image Map | — | Yes |
| onmousedown | Client-side Image Map | — | Yes |
| onmouseup | Client-side Image Map | — | Yes |
| onmouseover | Client-side Image Map | — | Yes |
| onmousemove | Client-side Image Map | — | Yes |
| onmouseout | Client-side Image Map | — | Yes |
| onkeypress | Client-side Image Map | — | Yes |
| onkeydown | Client-side Image Map | — | Yes |
| onkeyup | Client-side Image Map | — | Yes |
| <area> | Client-side Image Map | — | Yes |
| shape | Client-side Image Map | — | Yes |
| coords | Client-side Image Map | — | Yes |
| href | Client-side Image Map | — | Yes |
| nohref | Client-side Image Map | — | Yes |
| alt | Client-side Image Map | — | Yes |
| tabindex | Client-side Image Map | — | Yes |
| accesskey | Client-side Image Map | — | No |
| class | Client-side Image Map | — | Yes |
| id | Client-side Image Map | — | Yes |
| title | Client-side Image Map | — | Yes |
| onclick | Client-side Image Map | — | Yes |
| ondblclick | Client-side Image Map | — | Yes |
| onmousedown | Client-side Image Map | — | Yes |
| onmouseup | Client-side Image Map | — | Yes |
| onmouseover | Client-side Image Map | — | Yes |
| onmousemove | Client-side Image Map | — | Yes |
| onmouseout | Client-side Image Map | — | Yes |
| onkeypress | Client-side Image Map | — | Yes |
| onkeydown | Client-side Image Map | — | Yes |
| onkeyup | Client-side Image Map | — | Yes |
| dir | Client-side Image Map | — | Yes |
| lang | Client-side Image Map | — | Yes |
| xml:lang | Client-side Image Map | — | Yes |
| style | Client-side Image Map | — | Yes |
| onfocus | Intrinsic Events | — | Yes |
| onblur | Intrinsic Events | — | Yes |
| target | Target | — | Yes |
| <style> | Style Sheet | 2.0 | Yes |
| type | Style Sheet | 2.0 | Yes |
| media | Style Sheet | 2.0 | Yes |
| title | Style Sheet | 2.0 | Yes |
| dir | Style Sheet | — | Yes |
| lang | Style Sheet | — | Yes |
| xml:lang | Style Sheet | 2.0 | Yes |
| <frameset> | Frames | — | Yes |
| rows | Frames | — | Yes |
| cols | Frames | — | Yes |
| onload | Intrinsic Events | — | Yes |
| onunload | Intrinsic Events | — | Yes |
| class | Frames | — | Yes |
| id | Frames | — | Yes |
| title | Frames | — | Yes |
| <frame> | Frames | — | Yes |
| longdesc | Frames | — | Yes |
| name | Name | — | Yes |
| src | Frames | — | Yes |
| frameborder | Frames | — | No |
| marginwidth | Frames | — | Yes |
| marginheight | Frames | — | Yes |
| noresize | Frames | — | Yes |
| scrolling | Frames | — | Yes |
| class | Frames | — | Yes |
| id | Frames | — | Yes |
| title | Frames | — | Yes |
| <noframes> | Frames | — | Yes |
| class | Frames | — | Yes |
| id | Frames | — | Yes |
| title | Frames | — | Yes |
| onclick | Frames | — | Yes |
| ondblclick | Frames | — | Yes |
| onmousedown | Frames | — | Yes |
| onmouseup | Frames | — | Yes |
| onmouseover | Frames | — | Yes |
| onmousemove | Frames | — | Yes |
| onmouseout | Frames | — | Yes |
| onkeypress | Frames | — | Yes |
| onkeydown | Frames | — | Yes |
| onkeyup | Frames | — | Yes |
| dir | Frames | — | Yes |
| lang | Frames | — | Yes |
| xml:lang | Frames | — | Yes |
| style | Frames | — | Yes |
| <iframe> | Iframe | — | Yes |
| longdesc | Iframe | — | Yes |
| name | Name | — | Yes |
| src | Iframe | — | Yes |
| frameborder | Iframe | — | Yes |
| marginwidth | Iframe | — | Yes |
| marginheight | Iframe | — | Yes |
| scrolling | Iframe | — | Yes |
| align | Iframe | — | Yes |
| height | Iframe | — | Yes |
| width | Iframe | — | Yes |
| class | Iframe | — | Yes |
| id | Iframe | — | Yes |
| title | Iframe | — | Yes |
| <form> | Basic Forms | 2.0 | Yes |
| action | Basic Forms | 2.0 | Yes |
| method | Basic Forms | 2.0 | Yes |
| enctype | Basic Forms | 2.0 | Yes |
| class | Basic Forms | 2.0 | Yes |
| id | Basic Forms | 2.0 | Yes |
| title | Basic Forms | 2.0 | Yes |
| onclick | Basic Forms | — | Yes |
| ondblclick | Basic Forms | — | Yes |
| onmousedown | Basic Forms | — | Yes |
| onmouseup | Basic Forms | — | Yes |
| onmouseover | Basic Forms | — | Yes |
| onmousemove | Basic Forms | — | Yes |
| onmouseout | Basic Forms | — | Yes |
| onkeypress | Basic Forms | — | Yes |
| onkeydown | Basic Forms | — | Yes |
| onkeyup | Basic Forms | — | Yes |
| dir | Basic Forms | 2.0 | Yes |
| lang | Basic Forms | 2.0 | Yes |
| xml:lang | Basic Forms | 2.0 | Yes |
| style | Basic Forms | 2.0 | Yes |
| accept | Forms | — | No |
| name | Name | — | Yes |
| onsubmit | Intrinsic Events | — | Yes |
| onreset | Intrinsic Events | — | Yes |
| accept-charset | Forms | — | Yes |
| target | Target | — | Yes |
| <input> | Basic Forms | 1.3 | Yes |
| disabled | Basic Forms | — | Yes |
| tabindex | Basic Forms | 1.3 | Yes |
| accesskey | Basic Forms | 1.3 | Yes |
| onfocus | Intrinsic Events | — | Yes |
| onblur | Intrinsic Events | — | Yes |
| onselect | Intrinsic Events | — | Yes |
| onchange | Intrinsic Events | — | Yes |
| class | Basic Forms | 2.0 | Yes |
| id | Basic Forms | 2.0 | Yes |
| title | Basic Forms | 2.0 | Yes |
| onclick | Basic Forms | — | Yes |
| ondblclick | Basic Forms | — | Yes |
| onmousedown | Basic Forms | — | Yes |
| onmouseup | Basic Forms | — | Yes |
| onmouseover | Basic Forms | — | Yes |
| onmousemove | Basic Forms | — | Yes |
| onmouseout | Basic Forms | — | Yes |
| onkeypress | Basic Forms | — | Yes |
| onkeydown | Basic Forms | — | Yes |
| onkeyup | Basic Forms | — | Yes |
| dir | Basic Forms | 2.0 | Yes |
| lang | Basic Forms | 2.0 | Yes |
| xml:lang | Basic Forms | 2.0 | Yes |
| style | Basic Forms | 2.0 | Yes |
| wml:format | WML | 1.3 | Yes |
| wml:emptyok | WML | 1.3 | Yes |
| wml:name | WML | 1.3 | Yes |
| type | Basic Forms | — | Yes |
| name | — | Yes | |
| value | Basic Forms | — | Yes |
| checked | Basic Forms | — | Yes |
| accept | Forms | — | No |
| maxlength | Basic Forms | — | Yes |
| align | Legacy | — | Yes |
| alt | Forms | — | Yes |
| ismap | Server-side Image Map | — | Yes |
| src | Forms | — | Yes |
| usemap | Client-side Image Map | — | Yes |
| size | Basic Forms | 1.3 | Yes |
| readonly | Forms | — | Yes |
| <button> | Forms | — | Yes |
| name | Forms | — | Yes |
| value | Forms | — | Yes |
| type | Forms | — | Yes |
| disabled | Forms | — | Yes |
| tabindex | Forms | — | Yes |
| accesskey | Forms | — | Yes |
| onfocus | Intrinsic Events | — | Yes |
| onblur | Intrinsic Events | — | Yes |
| class | Forms | — | Yes |
| id | Forms | — | Yes |
| title | Forms | — | Yes |
| onclick | Forms | — | Yes |
| ondblclick | Forms | — | Yes |
| onmousedown | Forms | — | Yes |
| onmouseup | Forms | — | Yes |
| onmouseover | Forms | — | Yes |
| onmousemove | Forms | — | Yes |
| onmouseout | Forms | — | Yes |
| onkeypress | Forms | — | Yes |
| onkeydown | Forms | — | Yes |
| onkeyup | Forms | — | Yes |
| dir | Forms | — | Yes |
| lang | Forms | — | Yes |
| xml:lang | Forms | — | Yes |
| style | Forms | — | Yes |
| <select> | Basic Forms | 1.3 | Yes |
| name | Basic Forms | 2.0 | Yes |
| size | Basic Forms | 2.0 | Yes |
| multiple | Basic Forms | 1.3 | Yes |
| disabled | Forms | — | Yes |
| tabindex | Forms | 1.3 | Yes |
| onfocus | Intrinsic Events | — | Yes |
| onblur | Intrinsic Events | — | Yes |
| onchange | Intrinsic Events | — | Yes |
| accesskey | Forms | — | Yes |
| class | Basic Forms | 2.0 | Yes |
| id | Basic Forms | 2.0 | Yes |
| title | Basic Forms | 2.0 | Yes |
| onclick | Basic Forms | — | Yes |
| ondblclick | Basic Forms | — | Yes |
| onmousedown | Basic Forms | — | Yes |
| onmouseup | Basic Forms | — | Yes |
| onmouseover | Basic Forms | — | Yes |
| onmousemove | Basic Forms | — | Yes |
| onmouseout | Basic Forms | — | Yes |
| onkeypress | Basic Forms | — | Yes |
| onkeydown | Basic Forms | — | Yes |
| onkeyup | Basic Forms | — | Yes |
| dir | Basic Forms | — | Yes |
| lang | Basic Forms | — | Yes |
| xml:lang | Basic Forms | 2.0 | Yes |
| style | Basic Forms | 2.0 | Yes |
| wml:iname | WML | 1.3 | Yes |
| wml:value | WML | 1.3 | Yes |
| wml:ivalue | WML | 1.3 | Yes |
| wml:name | WML | 1.3 | Yes |
| <optgroup> | Forms | 1.3 | Yes |
| disabled | Forms | — | Yes |
| label | Forms | 2.0 | Yes |
| class | Forms | 2.0 | Yes |
| id | Forms | 2.0 | Yes |
| title | Forms | 2.0 | Yes |
| onclick | Forms | — | Yes |
| ondblclick | Forms | — | Yes |
| onmousedown | Forms | — | Yes |
| onmouseup | Forms | — | Yes |
| onmouseover | Forms | — | Yes |
| onmousemove | Forms | — | Yes |
| onmouseout | Forms | — | Yes |
| onkeypress | Forms | — | Yes |
| onkeydown | Forms | — | Yes |
| onkeyup | Forms | — | Yes |
| dir | Forms | — | Yes |
| lang | Forms | — | Yes |
| xml:lang | Forms | — | Yes |
| style | Forms | 2.0 | Yes |
| <option> | Basic Forms | 1.3 | Yes |
| standby | Forms | — | No |
| declare | Forms | — | No |
| selected | Basic Forms | 2.0 | Yes |
| disabled | Forms | — | Yes |
| label | Forms | — | Yes |
| value | Basic Forms | 2.0 | Yes |
| class | Basic Forms | 2.0 | Yes |
| id | Basic Forms | 2.0 | Yes |
| title | Basic Forms | 2.0 | Yes |
| onclick | Basic Forms | — | Yes |
| ondblclick | Basic Forms | — | Yes |
| onmousedown | Basic Forms | — | Yes |
| onmouseup | Basic Forms | — | Yes |
| onmouseover | Basic Forms | — | Yes |
| onmousemove | Basic Forms | — | Yes |
| onmouseout | Basic Forms | — | Yes |
| onkeypress | Basic Forms | — | Yes |
| onkeydown | Basic Forms | — | Yes |
| onkeyup | Basic Forms | — | Yes |
| dir | Basic Forms | — | Yes |
| lang | Basic Forms | — | Yes |
| xml:lang | Basic Forms | 2.0 | Yes |
| style | Basic Forms | 2.0 | Yes |
| wml:onpick | WML | 1.3 | Yes |
| <textarea> | Basic Forms | 2.0 | Yes |
| name | Basic Forms | 2.0 | Yes |
| rows | Basic Forms | 2.0 | Yes |
| cols | Basic Forms | 2.0 | Yes |
| disabled | Forms | — | Yes |
| readonly | Forms | — | Yes |
| tabindex | Forms | 2.0 | Yes |
| accesskey | Basic Forms | 2.0 | Yes |
| onfocus | Intrinsic Events | — | Yes |
| onblur | Intrinsic Events | — | Yes |
| onselect | Intrinsic Events | — | Yes |
| onchange | Intrinsic Events | — | Yes |
| class | Basic Forms | 2.0 | Yes |
| id | Basic Forms | 2.0 | Yes |
| title | Basic Forms | 2.0 | Yes |
| onclick | Basic Forms | — | Yes |
| ondblclick | Basic Forms | — | Yes |
| onmousedown | Basic Forms | — | Yes |
| onmouseup | Basic Forms | — | Yes |
| onmouseover | Basic Forms | — | Yes |
| onmousemove | Basic Forms | — | Yes |
| onmouseout | Basic Forms | — | Yes |
| onkeypress | Basic Forms | — | Yes |
| onkeydown | Basic Forms | — | Yes |
| onkeyup | Basic Forms | — | Yes |
| dir | Basic Forms | — | Yes |
| lang | Basic Forms | — | Yes |
| xml:lang | Basic Forms | 2.0 | Yes |
| style | Basic Forms | 2.0 | Yes |
| wml:format | WML | 1.3 | Yes |
| wml:emptyok | WML | 1.3 | Yes |
| wml:name | WML | 1.3 | Yes |
| <label> | Basic Forms | 2.0 | Yes |
| for | Basic Forms | 2.0 | Yes |
| accesskey | Basic Forms | 2.0 | Yes |
| onfocus | Intrinsic Events | — | Yes |
| onblur | Intrinsic Events | — | Yes |
| class | Basic Forms | 2.0 | Yes |
| id | Basic Forms | 2.0 | Yes |
| title | Basic Forms | 2.0 | Yes |
| onclick | Basic Forms | — | Yes |
| ondblclick | Basic Forms | — | Yes |
| onmousedown | Basic Forms | — | Yes |
| onmouseup | Basic Forms | — | Yes |
| onmouseover | Basic Forms | — | Yes |
| onmousemove | Basic Forms | — | Yes |
| onmouseout | Basic Forms | — | Yes |
| onkeypress | Basic Forms | — | Yes |
| onkeydown | Basic Forms | — | Yes |
| onkeyup | Basic Forms | — | Yes |
| dir | Basic Forms | 2.0 | Yes |
| lang | Basic Forms | 2.0 | Yes |
| xml:lang | Basic Forms | 2.0 | Yes |
| style | Basic Forms | 2.0 | Yes |
| <fieldset> | Forms | 1.3 | Yes |
| class | Forms | 2.0 | Yes |
| id | Forms | 2.0 | Yes |
| title | Forms | 2.0 | Yes |
| onclick | Forms | — | Yes |
| ondblclick | Forms | — | Yes |
| onmousedown | Forms | — | Yes |
| onmouseup | Forms | — | Yes |
| onmouseover | Forms | — | Yes |
| onmousemove | Forms | — | Yes |
| onmouseout | Forms | — | Yes |
| onkeypress | Forms | — | Yes |
| onkeydown | Forms | — | Yes |
| onkeyup | Forms | — | Yes |
| dir | Forms | 2.0 | Yes |
| lang | Forms | 2.0 | Yes |
| xml:lang | Forms | 2.0 | Yes |
| style | Forms | 2.0 | Yes |
| align | Legacy | — | Yes |
| <legend> | Forms | — | Yes |
| accesskey | Forms | — | Yes |
| align | Legacy | — | Yes |
| class | Forms | — | Yes |
| id | Forms | — | Yes |
| title | Forms | — | Yes |
| onclick | Forms | — | Yes |
| ondblclick | Forms | — | Yes |
| onmousedown | Forms | — | Yes |
| onmouseup | Forms | — | Yes |
| onmouseover | Forms | — | Yes |
| onmousemove | Forms | — | Yes |
| onmouseout | Forms | — | Yes |
| onkeypress | Forms | — | Yes |
| onkeydown | Forms | — | Yes |
| onkeyup | Forms | — | Yes |
| dir | Forms | — | Yes |
| lang | Forms | — | Yes |
| xml:lang | Forms | — | Yes |
| style | Forms | — | Yes |
| <script> | Scripting | — | Yes |
| charset | Scripting | — | Yes |
| type | Scripting | — | Yes |
| src | Scripting | — | Yes |
| defer | Scripting | — | Yes |
| <noscript> | Scripting | — | Yes |
| class | Scripting | — | Yes |
| id | Scripting | — | Yes |
| title | Scripting | — | Yes |
| onclick | Scripting | — | Yes |
| ondblclick | Scripting | — | Yes |
| onmousedown | Scripting | — | Yes |
| onmouseup | Scripting | — | Yes |
| onmouseover | Scripting | — | Yes |
| onmousemove | Scripting | — | Yes |
| onmouseout | Scripting | — | Yes |
| onkeypress | Scripting | — | Yes |
| onkeydown | Scripting | — | Yes |
| onkeyup | Scripting | — | Yes |
| dir | Scripting | — | Yes |
| lang | Scripting | — | Yes |
| xml:lang | Scripting | — | Yes |
| style | Scripting | — | Yes |
| <listing> | Deprecated | — | Yes |
| <plaintext> | Obsolete | — | Yes |
| <xmp> | Obsolete | — | Yes |
| <dir> | Legacy | — | Yes |
| compact | Legacy | — | Yes |
| class | Legacy | — | Yes |
| id | Legacy | — | Yes |
| title | Legacy | — | Yes |
| onclick | Legacy | — | Yes |
| ondblclick | Legacy | — | Yes |
| onmousedown | Legacy | — | Yes |
| onmouseup | Legacy | — | Yes |
| onmouseover | Legacy | — | Yes |
| onmousemove | Legacy | — | Yes |
| onmouseout | Legacy | — | Yes |
| onkeypress | Legacy | — | Yes |
| onkeydown | Legacy | — | Yes |
| onkeyup | Legacy | — | Yes |
| dir | Legacy | — | Yes |
| lang | Legacy | — | Yes |
| xml:lang | Legacy | — | Yes |
| style | Legacy | — | Yes |
| <menu> | Legacy | — | Yes |
| compact | Legacy | — | Yes |
| class | Legacy | — | Yes |
| id | Legacy | — | Yes |
| title | Legacy | — | Yes |
| onclick | Legacy | — | Yes |
| ondblclick | Legacy | — | Yes |
| onmousedown | Legacy | — | Yes |
| onmouseup | Legacy | — | Yes |
| onmouseover | Legacy | — | Yes |
| onmousemove | Legacy | — | Yes |
| onmouseout | Legacy | — | Yes |
| onkeypress | Legacy | — | Yes |
| onkeydown | Legacy | — | Yes |
| onkeyup | Legacy | — | Yes |
| dir | Legacy | — | Yes |
| lang | Legacy | — | Yes |
| xml:lang | Legacy | — | Yes |
| style | Legacy | — | Yes |
| <center> | Legacy | — | Yes |
| class | Legacy | — | Yes |
| id | Legacy | — | Yes |
| title | Legacy | — | Yes |
| onclick | Legacy | — | Yes |
| ondblclick | Legacy | — | Yes |
| onmousedown | Legacy | — | Yes |
| onmouseup | Legacy | — | Yes |
| onmouseover | Legacy | — | Yes |
| onmousemove | Legacy | — | Yes |
| onmouseout | Legacy | — | Yes |
| onkeypress | Legacy | — | Yes |
| onkeydown | Legacy | — | Yes |
| onkeyup | Legacy | — | Yes |
| dir | Legacy | — | Yes |
| lang | Legacy | — | Yes |
| xml:lang | Legacy | — | Yes |
| style | Legacy | — | Yes |
| <strike> | Legacy | — | Yes |
| class | Legacy | — | Yes |
| id | Legacy | — | Yes |
| title | Legacy | — | Yes |
| onclick | Legacy | — | Yes |
| ondblclick | Legacy | — | Yes |
| onmousedown | Legacy | — | Yes |
| onmouseup | Legacy | — | Yes |
| onmouseover | Legacy | — | Yes |
| onmousemove | Legacy | — | Yes |
| onmouseout | Legacy | — | Yes |
| onkeypress | Legacy | — | Yes |
| onkeydown | Legacy | — | Yes |
| onkeyup | Legacy | — | Yes |
| dir | Legacy | — | Yes |
| lang | Legacy | — | Yes |
| xml:lang | Legacy | — | Yes |
| style | Legacy | — | Yes |
| <s> | Legacy | — | Yes |
| class | Legacy | — | Yes |
| id | Legacy | — | Yes |
| title | Legacy | — | Yes |
| onclick | Legacy | — | Yes |
| ondblclick | Legacy | — | Yes |
| onmousedown | Legacy | — | Yes |
| onmouseup | Legacy | — | Yes |
| onmouseover | Legacy | — | Yes |
| onmousemove | Legacy | — | Yes |
| onmouseout | Legacy | — | Yes |
| onkeypress | Legacy | — | Yes |
| onkeydown | Legacy | — | Yes |
| onkeyup | Legacy | — | Yes |
| dir | Legacy | — | Yes |
| lang | Legacy | — | Yes |
| xml:lang | Legacy | — | Yes |
| style | Legacy | — | Yes |
| <u> | Legacy | 1.3 | Yes |
| class | Legacy | 2.0 | Yes |
| id | Legacy | — | Yes |
| title | Legacy | 2.0 | Yes |
| onclick | Legacy | — | Yes |
| ondblclick | Legacy | — | Yes |
| onmousedown | Legacy | — | Yes |
| onmouseup | Legacy | — | Yes |
| onmouseover | Legacy | — | Yes |
| onmousemove | Legacy | — | Yes |
| onmouseout | Legacy | — | Yes |
| onkeypress | Legacy | — | Yes |
| onkeydown | Legacy | — | Yes |
| onkeyup | Legacy | — | Yes |
| dir | Legacy | — | Yes |
| lang | Legacy | — | Yes |
| xml:lang | Legacy | 2.0 | Yes |
| style | Legacy | 2.0 | Yes |
| <font> | Legacy | — | Yes |
| size | Legacy | — | Yes |
| color | Legacy | — | Yes |
| face | Legacy | — | Yes |
| class | Legacy | — | Yes |
| id | Legacy | — | Yes |
| title | Legacy | — | Yes |
| onclick | Legacy | — | Yes |
| ondblclick | Legacy | — | Yes |
| onmousedown | Legacy | — | Yes |
| onmouseup | Legacy | — | Yes |
| onmouseover | Legacy | — | Yes |
| onmousemove | Legacy | — | Yes |
| onmouseout | Legacy | — | Yes |
| onkeypress | Legacy | — | Yes |
| onkeydown | Legacy | — | Yes |
| onkeyup | Legacy | — | Yes |
| dir | Legacy | — | Yes |
| lang | Legacy | — | Yes |
| xml:lang | Legacy | — | Yes |
| style | Legacy | — | Yes |
| <basefont> | Legacy | — | No |
| id | Legacy | — | No |
| size | Legacy | — | No |
| color | Legacy | — | No |
| face | Legacy | — | No |
| <isindex> | Legacy | — | Yes |
| prompt | Legacy | — | Yes |
| class | Legacy | — | Yes |
| id | Legacy | — | Yes |
| title | Legacy | — | Yes |
| dir | Legacy | — | Yes |
| lang | Legacy | — | Yes |
| xml:lang | Legacy | — | Yes |
| <wml:access> | WML | 1.3 | Yes |
| id | WML | 1.3 | Yes |
| class | WML | 1.3 | Yes |
| title | WML | 1.3 | Yes |
| style | WML | 1.3 | Yes |
| domain | WML | 1.3 | Yes |
| path | WML | 1.3 | Yes |
| <wml:anchor> | WML | 1.3 | Yes |
| id | WML | 1.3 | Yes |
| class | WML | 1.3 | Yes |
| title | WML | 1.3 | Yes |
| style | WML | 1.3 | Yes |
| xml:lang | WML | 1.3 | Yes |
| accesskey | WML | 1.3 | Yes |
| <wml:card> | WML | 1.3 | Yes |
| id | WML | 1.3 | Yes |
| class | WML | 1.3 | Yes |
| title | WML | 1.3 | Yes |
| style | WML | 1.3 | Yes |
| xml:lang | WML | 1.3 | Yes |
| newcontext | WML | 1.3 | Yes |
| onenterforward | WML | 1.3 | Yes |
| onenterbackward | WML | 1.3 | Yes |
| ontimer | WML | 1.3 | Yes |
| <wml:do> | WML | 1.3 | Yes |
| id | WML | 1.3 | Yes |
| class | WML | 1.3 | Yes |
| title | WML | 1.3 | Yes |
| style | WML | 1.3 | Yes |
| xml:lang | WML | 1.3 | Yes |
| type | WML | 1.3 | Yes |
| label | WML | 1.3 | Yes |
| <wml:getvar> | WML | 1.3 | No |
| id | WML | 1.3 | No |
| class | WML | 1.3 | No |
| title | WML | 1.3 | No |
| style | WML | 1.3 | No |
| name | WML | 1.3 | No |
| conversion | WML | 1.3 | No |
| <wml:go> | WML | 1.3 | Yes |
| id | WML | 1.3 | Yes |
| class | WML | 1.3 | Yes |
| title | WML | 1.3 | Yes |
| style | WML | 1.3 | Yes |
| href | WML | 1.3 | Yes |
| sendreferer | WML | 1.3 | Yes |
| type | WML | 1.3 | Yes |
| method | WML | 1.3 | Yes |
| enctype | WML | 1.3 | Yes |
| accept-charset | WML | 1.3 | Yes |
| cache-control | WML | 1.3 | Yes |
| <wml:noop> | WML | 1.3 | Yes |
| id | WML | 1.3 | Yes |
| class | WML | 1.3 | Yes |
| title | WML | 1.3 | Yes |
| style | WML | 1.3 | Yes |
| <wml:onevent> | WML | 1.3 | Yes |
| id | WML | 1.3 | Yes |
| class | WML | 1.3 | Yes |
| title | WML | 1.3 | Yes |
| style | WML | 1.3 | Yes |
| <wml:postfield> | WML | 1.3 | Yes |
| id | WML | 1.3 | Yes |
| class | WML | 1.3 | Yes |
| title | WML | 1.3 | Yes |
| style | WML | 1.3 | Yes |
| name | WML | 1.3 | Yes |
| value | WML | 1.3 | Yes |
| <wml:prev> | WML | 1.3 | Yes |
| id | WML | 1.3 | Yes |
| class | WML | 1.3 | Yes |
| title | WML | 1.3 | Yes |
| style | WML | 1.3 | Yes |
| <wml:refresh> | WML | 1.3 | Yes |
| id | WML | 1.3 | Yes |
| class | WML | 1.3 | Yes |
| title | WML | 1.3 | Yes |
| style | WML | 1.3 | Yes |
| <wml:setvar> | WML | 1.3 | Yes |
| id | WML | 1.3 | Yes |
| class | WML | 1.3 | Yes |
| title | WML | 1.3 | Yes |
| style | WML | 1.3 | Yes |
| name | WML | 1.3 | Yes |
| value | WML | 1.3 | Yes |
| <wml:timer> | WML | 1.3 | Yes |
| id | WML | 1.3 | Yes |
| class | WML | 1.3 | Yes |
| title | WML | 1.3 | Yes |
| style | WML | 1.3 | Yes |
| name | WML | 1.3 | Yes |
| value | WML | 1.3 | Yes |
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