[xsl] Keys off of variable xml source

Subject: [xsl] Keys off of variable xml source
From: Karl Stubsjoen <kstubs@xxxxxxxxx>
Date: Thu, 31 Mar 2005 16:17:22 -0700
Is it legal to create a key off of an xml source stored as a variable?
So the key decleration might look like:

<xsl:key name="myKey" match="$external_xml_source//data" use="some_element"/>

If not, is there a workaround?

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