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Fw: [xsl] Are xsl:key's best going into the future?
Subject: Fw: [xsl] Are xsl:key's best going into the future?|
From: "Robert Koberg" <rob@xxxxxxxxxx>
Date: Fri, 15 Mar 2002 12:23:38 -0800
[ I sent this to the list under another address and it bounced ]
> Hi Jeni [just bought your book the other day!],
> ----- Original Message -----
> From: "Jeni Tennison" <jeni@xxxxxxxxxxxxxxxx>
> To: "Robert Koberg" <rob@xxxxxxxxxx>
> Cc: <XSL-List@xxxxxxxxxxxxxxxxxxxxxx>
> Sent: Friday, March 15, 2002 7:32 AM
> Subject: Re: [xsl] Are xsl:key's best going into the future?
> > Hi Robert,
> > > In fact, if you want to get the incredible performance gains from
> > > XSLTC, they: [ Xalan's XSLTC team -
> > > http://xml.apache.org/xalan-j/xsltc/xsltc_performance.html ] warn
> > > that you should not use keys.
> > >
> > > Should keys be avoided?
> > Actually, what that document says is that keys shouldn't be used *in
> > patterns*. The example they give is:
> > <xsl:template match="key('key-name', 'some-value')">
> > ...
> > </xsl:template>
> Thanks, I did take this to mean something different. But, it probably was
> not a good idea for me to include the comment about XSLTC. I was more
> interested in the future of the processors and how they will handle
> currently expensive operations which make xsl:key the obvious choice.
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