XHTML output

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Hi everybody,

I'm faced with a strange problem. Actually, I'm transforming a DocBook
article with that strucutre (which is very simple !)

<article lang="fr">
	<artheader>
		...
	</artheader>

	<sect1 id="id1">
		<sect2 id="id2">
			...
		</sect2>
	</sect1>
</article>

I want an XHTML output so I'm using the XHTML subpart of the XSL
distribution. Everything is ok, except that on severals "div" in my
output, I have an redefinition of "xmlns" and "lang". I don't know why
there is a need for such a thing...

According to the validator W3C, this kind of thing is not acceptable for
XHTML Transitional/Strict.

I think there is a problem somewhere, but I don't where... Is there a
problem with my DocBook source ?! With my XSLSheet (I've made some
modification, but nothing that can explain that) ?!

Thank for your help,

Lionel
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