RE: [xsl] using every inside a predicate

Subject: RE: [xsl] using every inside a predicate
From: "Michael Kay" <mike@xxxxxxxxxxxx>
Date: Tue, 23 May 2006 10:02:50 +0100
> The following variable should return a sequence of names that 
> only appear in EVERY section.
> 	<xsl:variable name="ubiquitous-names"
> 			  select="distinct-values(sections/section/name
> 			  [not(contains(., 'new entry'))]
> 			  [every $s in sections/section 
> satisfies $s/name = .])" />

The context for sections/section is wrong. It needs to be
> So  [every $s in sections/section satisfies $s/name = .] 
> doesn't seem to have any effect.

If X is an empty sequence, then "every $x in X satifies expr" is always true
(which sometimes surprises non-mathematicians).

Michael Kay

Current Thread