<xsl:template match="/" xmlns:t="http://someaddress.com/">
<xsl:copy-of select="document('testFile.xml')"/>
<xsl:copy-of select="document('testFile.xml')/t:testData/t:city"/>
<xsl:value-of select="document('testFile.xml')/t:testData/t:city"/>
</xsl:template>
(see the sticky post at the start of this forum for more info)
Michael Kay
http://www.saxonica.com/
Author, XSLT Programmer's Reference and XPath 2.0 Programmer's Reference