Subject: Re: what does xsl:sort do if "select" doesn't evaluate toanything?
From: "Robert P. J. Day" <rpjday@xxxxxxxxxxxxxx>
Date: Wed, 19 Mar 2003 06:15:14 -0500 (EST)
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On Wed, 19 Mar 2003, Jeni Tennison wrote:
> Hi Robert,
>
> > what is the defined behavior for <xsl:sort> if the "select="
> > expression is not satisfied by anything?
>
> You mean if the result of the select expression is an empty node set?
uh, yeah, that. i'm still trying to learn the precisely correct
terminology for these things.
> The empty node set gets turned into an empty string, which will then
> be sorted in the same way as any other empty string. Usually in
> alphabetical sorting that means such nodes will be sorted before those
> whose sort key has some characters in it.
gotcha.
rday
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