Re: [xsl] the "use" parameter for a key is to be a path expression

[Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>]

At 12:26 PM 2/27/2002, Tom P wrote:
> [<TSchutzerWeissmann@xxxxxxxxxxxxxxxx>]
>
> > Thomas
> >
> > You were right about the leading and trailing spaces, but I'm intruiged
> that
> > you say that the use parameter for a key has to be an XPath expression: in
> > that case what about all the examples I have seen using
> > concat(@this,'+',@that)?
> > That was what I wanted to use in this case but it didn't work.
> >
>
> Well, I can't say about those examples, but I just looked in Mike Kay's book
> (XSLT Programmer's Reference) to check my memory, and it does in fact say
> that the "use" attribute's value has to be an expression.  That's why your
> experiments didn't work.

I'm not so sure. "concat(@this, '+', @that)" is an XPath expression that 
returns a string,  which is legal here [XSLT 12.2].

I think there's another reason the concat approach didn't work for Thomas.

Cheers,
Wendell



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Wendell Piez                            mailto:wapiez@xxxxxxxxxxxxxxxx
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