Hi.All.
Thank you for your responses.  It was really hard for me to explain my
situation, but I think you understood the question. I'm using XSL1.0, and am
pursueing the muechian method. And consequently pulling my hair out.

I'll let you know how it turns out.

> -----Original Message-----
> From: cknell@xxxxxxxxxx [mailto:cknell@xxxxxxxxxx]
> Sent: Thursday, October 12, 2006 1:52 PM
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: RE:  pairing up similar tags based on an attribute
> 
> 
> I can't recall if you got an answer on this, but if not, I'll 
> see how I can help.
> 
> Let me re-state the situation and you can tell me if I got it 
> right or how I got it wrong.
> 
> o) You have a set of <spec> elements (not tags).
> o) Each <spec> element has two attributes: "partnumber" and 
> "parentpn".
> o) For every distinct value of "spec/@parentpn", there are 
> exactly two <spec> elements.
> o) For each distinct value of "parentpn", you want your 
> stylesheet to emit the text node that is a child of the 
> <value> element that, in turn, is a child of the <spec> element.
> 
> i.e., spec[@parentpn="9310079"]/value
>       spec[@parentpn="9310023"]/value
> 
> The values of the "partnumber" attributes are a red herring, 
> and don't fit into the XPath construction.
> 
> Are you using XSLT 1.0 or XSLT 2.0?
> 
> Here is an XST 2.0 construct that will do what you describe 
> (as far as I can understand what you want.)
> 
> <xsl:for-each-group select="spec" group-by="@parentpn">
>   <xsl:variable name="ppn" select="@parentpn" />
>   <xsl:value-of select="value" />:<xsl:value-of 
> select="following-sibling::spec[@parentpn=$ppn]/value" />
>    <xsl:text>
>    </xsl:text>
> </xsl:for-each-group>
> -- 
> Charles Knell
> cknell@xxxxxxxxxx - email
> 
> 
> 
> -----Original Message-----
> From:     Webmaster <Webmaster@xxxxxxxxxxx>
> Sent:     Wed, 11 Oct 2006 20:37:05 -0500
> To:       "'xsl-list@xxxxxxxxxxxxxxxxxxxxxx'" 
> <xsl-list@xxxxxxxxxxxxxxxxxxxxxx>
> Subject:   pairing up similar tags based on an attribute
> 
> Hello.
> 
> My data (snippet) looks like this:
> 
> <spec partnumber="9300033" parentpn="9310079">
> 	<value>DB9</value>
> </spec>
> 
> <spec partnumber="9300133" parentpn="9310079">
> 	<value>M</value>
> </spec>
> 
> <spec partnumber="9300033" parentpn="9310023">
> 	<value>RJ45</value>
> </spec>
> 
> <spec partnumber="9300133" parentpn="9310023">
> 	<value>F</value>
> </spec>
> 
> 
> I'm trying to write a template that prints out each pair of 
> 9300033 and
> 9300133 with the same @parentpn, but without luck:
> 
> <xsl:variable name="connectortype" >
> <xsl:for-each select="spec[@partnumber=9300033]">
>   <xsl:for-each select="./@parentpn">
> 	<xsl:message>
> 		<xsl:value-of select="ancestor::spec/value" />
> 		<xsl:value-of 
> select="ancestor::spec[@partnumber=9300133 and
> @parentpn=.]/value" />
> 	</xsl:message>
>    </xsl:for-each>
> </xsl:for-each>
> </xsl:variable>
> 
> With this code, I'm getting the correct value for the 
> 9300033, but I can't
> seem to grab the corresponding 9300133 value.  I'm not quite 
> sure if my
> xpath is right. 
> 
> Any help would be very much appreciated!!!
> 
> LN