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RE: [xsl] Xsl:copy-of writes xmlns:xsi always - Any way to avoid this?

2007-03-05 02:23:42
  
Hi,
  I use <xsl:copy-of select="./*"/> to select child elements 
of a node which passes <xsl:when>. However copy-of is 
inserting 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance with 
each child element it selects. 

In XSLT 2.0 you can copy an element without copying its namespaces using the
copy-namespaces="no" attribute.

In XSLT 1.0 the answer is no. xsl:copy-of copies a tree unchanged, which
includes its namespace nodes (remember that in the data model, an element
has namespace nodes corresponding to all in-scope namespaces, including
those declared on ancestor elements). You only remedy is not to use
xsl:copy-of, but to do a manual copy using a modified identity template:

<xsl:template match="*">
  <xsl:element name="{name()}" namespace="{namespace-uri()}">
  <xsl:copy-of select="@*"/>
  <xsl:apply-templates/>
  </xsl:element>
</xsl:template>

Michael Kay
http://www.saxonica.com/


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