RE: [xsl] Grouping problem

Subject: RE: [xsl] Grouping problem
From: "Michael Kay" <mike@xxxxxxxxxxxx>
Date: Tue, 4 Dec 2007 16:49:45 -0000
> However, in Saxon's case, the warning might not be true, as 
> Saxon allows extension functions to have side effects, so if 
> one were present in the select attribute, it might indeed 
> have an effect.

Or rather: the user might expect it to have an effect, but it wouldn't have
any effect, because an empty for-each is optimized away; so all the more
reason for a warning.

Michael Kay

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