Re: Identity Transform Grouping Question

   if the current node is the last in a group with the same
   /names/name[@lang='en'] value, then closing tag should be inserted here
                                                                    -->

Whenever anyone mentions the word "tag" in connection with xslt (which
happens most days:-) it's almost always a sign that the design thinking
is wrong, XSLT can not access the tags in the source document, and it
can't directly generate tags in the result.

XSLT inputs a node tree (typically but not always generated by an XML
parser reading tags in an XML file) and generates a result tree, which
might (it's an optional feature of an XSLT system) be linearised back to
an XML file using tags as a final stage (conceptually) after the
transformation. But the transformation itself just concerns trees.

Node trees don't contain markup, so don't have tags, and you can't have
half a node, so you can never insert a closing tag anywhere, in
particular you can't insert one at the location of this comment.

The way to put a group of nodes as child elements of another node
is to first create the wrapper node
<foo>
 then inside that select all the elements that should go in the group
</foo>


Jeni's site has lots of discussion on this gropuing technique:
http://www.jenitennison.com/xslt/grouping/index.html
(Your code was a bit big to debug by eye, and also written for msxml
which doesn't run on this linux box.)

actually I'm not sure _why_ you are using msxsl:node-set()

    <xsl:variable name="rtf">
                                    <temp>
                                       <xsl:copy-of select="offices/office"/>
                                    </temp>
                                 </xsl:variable>
                                 <xsl:for-each
                                    select="msxsl:node-set($rtf)/temp/office/cities...

That's quite expensive having to copy all teh nodes, and then you don't
seem to do anything with the new tree that you have created.

It looks equivalent to


                                 <xsl:for-each
                                 select="offices/office/cities...

except you'd have to remove temp/ from your key definition, to match.

David

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