Re: [xsl] node-selection

[Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>]

At 03:44 PM 10/29/2004, you wrote:
> Wendell Piez wrote:
>
> > > (//item[@active=1])[last()]
> > Or
> > /descendant::item[@active=1][last()]
>
> I was thinking of:
>
> /descendant-or-self::item[@active=1][last()]

This works too, though it is redundant, there being no chance that the root 
node of the document is itself an 'item' element node. (/self::item, or 
/self::* for that matter, must return empty node sets.)

> Note that they all function differently, though give the same result in 
> most cases. I love these kind of subtle differences!

Yes: understanding these shows you the seams and joins in XPath, revealing 
how it is put together.

Cheers,
Wendell


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Wendell Piez                            mailto:wapiez@xxxxxxxxxxxxxxxx
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