> w:comment[w:id=$commentID

that is looking for an element named w:id not an attribute @w:id


by the way it is much more efficient to do

	<xsl:variable name="commentID"
	select="w:commentReference/@w:id"/>

than

	<xsl:variable name="commentID"><xsl:value-of
select="w:commentReference/@w:id"/></xsl:variable>


> Comment.xml placed on xslt path. 

If it is really called Comment.xml then "document('comments.xml') won't
work.

David

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