XSL - using for-each with sort - can't access previous

Hi all... just joined this list. Greetings :)

I was wondering if someone might have an answer for me on this...

Here's sample XML:

<quiz>
   <question id="1" page="4"/>
   <question id="2" page="6"/>
   <question id="3" page="1"/>
   <question id="4" page="18"/>
   <question id="5" page="7"/>
   <question id="6" page="5"/>
</quiz>

In my XSLT, I want to sort by page. So I have:

<xsl:for-each select="question">
<xsl:sort select="@page"/>

Now - as I am doing things to each question during the for-each, I want to
be able to access the "id" attribute in the question outputted JUST PRIOR to
the one currently being outputted. I can't seem to be able to do this. I've
tried using position() and <xsl:number> and combinations of the two, and
have been unsuccessful. Could anyone give me some advice?

Thanks,

Jeff


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