RE: Removing Duplicates

From: "Michael Kay" <mhkay@xxxxxxxxxxxx>
To: <xsl-list@xxxxxxxxxxxxxxxxxxxxxx>
Subject: RE:  Removing Duplicates
Date: Fri, 2 Feb 2001 09:42:57 -0000
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I want to remove duplicate nodes by looking at an attribute

(a) the simple approach is along the lines of
select="element[not(@attr=preceding::element/@attr)]"

(b) the Muenchian approach, using keys. This is more powerful and more
efficient but requires a bit more coding.