Hello Robert,



I don't think that there are significant performance differences.



Your <xsl:copy-of select="@*"/> shell be a bit faster than my 
<xsl:apply-templates select="@*"/>, because the template for the 
attributes must not be searched. I use the apply-templates, because I 
can easily add a new template e.g. for a special attribute.



And <xsl:apply-templates/> is the same as <xsl:apply-templates 
select="node()"/>. I use normally the "special" version with "text()|*", 
because I don't want to copy comments or the xsl-stylesheet 
processing-instruction.



The last difference is the <xsl:if> and my predicate at 
<xsl:apply-templates>. It's maybe the same as with the attributes. 
Normally I would use a simple apply-templates and again a special template:

<xsl:template match="*[@id = $delete_id]"/>

But this is not possible with variables.



Joerg



Robert Koberg schrieb:
very cool Joerg!



Does  this have performance benefits (or negatives) over the (modified) 
standard identity template:



<xsl:template match="node()|@*">



   <xsl:if test="not(@id=$id)">
       <xsl:copy>
           <xsl:copy-of select="@*"/>
           <xsl:apply-templates/>
       </xsl:copy>
   </xsl:if>
     </xsl:template>

best,
-Rob




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