But this is an O(n^2) solution and doesn't remove the duplicates...

Michael Kay

> -----Original Message-----
> From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx 
> [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Kienle, Steven C [PGRD/0200]
> Sent: 25 September 2003 18:01
> To: 'xsl-list@xxxxxxxxxxxxxxxxxxxxxx'
> Subject: RE:  Problems selecting the right nodes. 
> 
> 
> 
> I'm not sure if this will fit the bill, but it does return 
> the correct results with your sample below.
> 
> <xsl:template match="service">
>     <xsl:if test="/root/branch[not(service/@id = current()/@id)]">
>         <xsl:value-of select="@id" />
>     </xsl:if>
> </xsl:template>
> 
> Basically, this matches the service nodes and only executes 
> the value-of when the exists a branch which does not have a 
> service with the same @id as the current service.  Because it 
> is processing nodes, it possible that you could have some 
> duplication, which you may not want.  You might be able to 
> use this as a starting point.
> 
> 	Steve
> 
> -----Original Message-----
> From: Adam van den Hoven [mailto:list@xxxxxxxxxxxxxxxxxxx]
> 
> I have a nodeset or arbitrary length that contains a set of 
> tags which 
> look something like:
> 
> <branch id="br1">
>    <service id="service1" />
>    <service id="service2" />
>    <service id="service3" />
> </branch>
> <branch id="br2">
>     <service id="service1" />
>     <service id="service4" />
> </branch>
> 
> Now what I want is a nodeset that contains (uniquely) all the 
> services 
> that do not occur in all the branches. In this case I want 
> service 2, 3 
> and 4 but not 1
> 
> 
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