tompahoward

The Tiny XHTML plugin re-adds the xhtmlxtras plugin support to the TinyMCE Rich Visual Editor. 
The TinyMCE table plugin is normally bundled with TinyMCE, but it has be removed from the 
version within WordPress. This plugin puts it back in.
The xhtmlxtras TinyMCE plugin allows you to control common attributes, such as class, id, lang, onclick, etc. 
It also provides buttons for creating cite, ins, del, abbr, and acronym elements.
Most of the credit for this plugin belogns to [Moxiecode Systems] (http://tinymce.moxiecode.com/ ), 
who wrote the Table plugin for TinyMCE, which this plugin uses.
<h3>Release Notes</h3>
<ul>
<li>0.0.2
<ul>
<li>Added workaround for TinyMCE compressor issues.</li>
</ul>
</li>
<li>0.0.1
<ul>
<li>Fixed defect in link to xhtmlxtras stylesheet</li>
</ul>
</li>
<li>0.0.0
<ul>
<li>Initial Release</li>
</ul>
</li>
</ul>

Tiny XHTML

The Tiny XHTML plugin re-adds the xhtmlxtras plugin to the TinyMCE Rich Visual Editor

Roland Rust

It functions as a frontend for the Markup Validator Web Service API on http://validator.w3.org. Stylesheets are checked as well.
Languages available: 
+ english 
+ deutsch(german)

Batch Validator

This plugin performs a batch markup validation check over your entire WordPress website.

Tiny XHTML vs Batch Validator