> What I meant was, what happens when you include a TEI Lite file 
> inside a DocBook file? The two have incompatible markup.

No, xinclude, like XSLT or XPath (or schema validation) Xinclude works
on the infoset (aka grove aka xpath tree model) resulting from the parse.
So you can include any well formed document into any other, anywhere.

David


 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list