Yes, using node-name() is better, and I usually use it; I took a short-cut
on this occasion because IIRC I was using <xsl:element
name="{current-grouping-key()}"> and I wasn't sure that would work with an
xs:QName; on reflection I think it probably will.

Michael Kay
http://www.saxonica.com/  

> -----Original Message-----
> From: Florent Georges [mailto:lists@xxxxxxxxxxxx] 
> Sent: 10 January 2008 21:33
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: Re:  XSLT 2.0 Multi-level grouping
> 
> Michael Kay wrote:
> 
>   Hi
> 
> > <xsl:for-each-group select="*" group-by="name()">
> 
>   I know name() is widely used as a grouping key, but I 
> wonder if we shouldn't use node-name(.) instead, to be more 
> coherent regarding namespaces handling.  The same way we 
> advice to use self::ns:name instead of name() eq 'ns:name'.
> 
>   Regards,
> 
> --drkm
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