This may be a bug in Wordpress, or it may be my misunderstanding of 
plain ol' XHTML; it affects both Gecko and IE.
A user wrote a post using the Wordpress editing interface, which 
generated the following XHTML.
<div id="1"><p><strong /></p></div>
<div id="2">...</div>
Note that <strong /> -- it makes Firefox 1.5.0.7 generate this DOM:
<div id="1"><p><strong></strong></p></div>
<div id="2"><strong>...</strong></div>
That is, using an inline element in the first div influences the DOM 
generated in the second div. Isn't that wrong?
If you're serving XHTML as text/html (which means browsers handle it as
HTML, not XHTML), you have to follow the guidelines in Appendix C of
XHTML 1.0, which this does not:
> <div id="1"><p><strong /></p></div>
-David
-- 
L. David Baron                                <URL: http://dbaron.org/ >
           Technical Lead, Layout & CSS, Mozilla Corporation
Yes, I am serving it as text/html.
In case it would be a point of interest, the W3 validator accepted it as 
XHTML transitional.
I suppose I should go file a bug in Wordpress re: Appendix C. I'm 
assuming you're referring to Appendix C.3?
Yeah, that's a bug in the validator (bug 1500, if you care).
-- 
Ian Hickson               U+1047E                )\._.,--....,'``.    fL
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Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
The bug there is the HTML Working Group, not the Validator...
-- 
Björn Höhrmann · mailto:bjo...@hoehrmann.de · http://bjoern.hoehrmann.de
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