[wp-hackers] WP 2.5 gallery breaking xhtml 1.0

[Benedict Eastaugh]

There have been quite a few Trac tickets on this issue. The most
complete/relevant is probably #6380.

<http://trac.wordpress.org/ticket/6380>

Also see:

<http://trac.wordpress.org/ticket/6444>
<http://trac.wordpress.org/ticket/6515>
<http://trac.wordpress.org/ticket/6461>
<http://trac.wordpress.org/ticket/6496>

And of course Shelley Powers' article:

<http://realtech.burningbird.net/semweb/wordpress-25-releases/>