According to W3C, 'application/xhtml+xml' is the MIME type to use. I've put it pages and seen it not only validate, but also display correctly in IE5.0 and IE6.
If IE displayed the page, rather than prompt you to download/save the file, then you're *not* really sending it as application/xhtml+xml.
Taking a stab in the dark, I'd guess that all you did was change the "content type" meta to it. Well...that's not the way to do it. Your *server* needs to be configured to send out proper application/xhtml+xml, or - if you're using something like PHP server-side - you need to send the appropriate headers. If all you did was indeed just change the meta, your server is happily still sending out your page as text/html, and that's why IE is displaying it.
If you have Firefox, simply go to the page in question and do "Tools > Page Info". On the resulting window, look for "Type". You're more likely seeing "text/html" there, indicating that it's not "application/xhtml+xml"
Oldie but goldie on the subject: http://www.xml.com/pub/a/2003/03/19/dive-into-xml.html
Patrick H. Lauke _____________________________________________________ re·dux (adj.): brought back; returned. used postpositively [latin : re-, re- + dux, leader; see duke.] www.splintered.co.uk | www.photographia.co.uk http://redux.deviantart.com
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