<?xml version="1.0"?>
<?xml-stylesheet type="text/xml" href="#bug"?>
<!DOCTYPE doc [
<!ATTLIST xsl:transform
  id	ID	#REQUIRED>
]>
<doc>
<xsl:transform id="bug"
                version="2.0"
                xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:key name="k0" match="e1" use="key('k0', 'foobar')" /> 
  <xsl:template id="t1" name="t1" match="key('k0', '1/2/2003')" />
</xsl:transform>

<e1 a1="foobar" a2="foobar"/>

</doc>
