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Re: Keys off of variable xml source

Subject: Re: Keys off of variable xml source
From: David Carlisle <davidc@xxxxxxxxx>
Date: Fri, 1 Apr 2005 17:40:50 +0100
Re:  Keys off of variable xml source
  The reason for a lookup xml source is to act as a cross-reference to
  data in the main xml source.  So, I need to reference all elements
  who's ID = 123 but my match is expressed as a code value "abc".  The
  code "abc" maps to 123 in my lookup.

This will be easier in xslt2 where you can use a key in an expression
step, or supply a document as a third argument to key)

match="xxx[@id=key('keyname', 'abc', $mapfile)]"

in XSLT 1 you have to pull the logic out of the match pattern and into
the template body

But often when handling cross references you en up using select
expressions anyway rather than match patterns where it's much easier to
surround the code by the needed xsl:for-each to switch document


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