copy-1210 test case expected successful transformation result (not an error) (<assert>/out/rtf</assert>).

At the same time in the test case "xsl:copy" instruction copies document node (context node) and tries to add namespace to it. It looks like template @match attribute should be updated to match "doc" instead of "/".

  <xsl:template match="/">
    <xsl:variable name="var1"><rtf/></xsl:variable>
    <out>
      <xsl:copy on-empty="$var1">
        <xsl:namespace name="n">http://example.com/nnnnnnn</xsl:namespace> 
      </xsl:copy>  
    </out>  
  </xsl:template>