I tested this stylesheet with Saxon 9.0.
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
version="2.0">
<xsl:output method="text" />
<xsl:template match="node()">
1
<xsl:apply-templates/>
</xsl:template>
<xsl:template match="*">
2
<xsl:apply-templates/>
</xsl:template>
</xsl:stylesheet>
This is an arbitrary stylesheet, with no semantic significance. It
just studies the priority of template rules.
When this is run on a dummy XML (say, below):
<aaa>
<bbb>123</bbb>
<ccc>def</ccc>
</aaa>
I get output:
Recoverable error
XTRE0540: Ambiguous rule match for /aaa
Matches both "node()" on line 7 of file:/E:/xml/xsleg/xslt/test.xsl
and "element()" on line 12 of file:/E:/xml/xsleg/xslt/test.xsl
Recoverable error on line 14 of file:/E:/xml/xsleg/xslt/test.xsl:
XTRE0540: Ambiguous rule match for /aaa/bbb[1]
Matches both "node()" on line 7 of file:/E:/xml/xsleg/xslt/test.xsl
and "element()" on line 12 of file:/E:/xml/xsleg/xslt/test.xsl
Recoverable error on line 14 of file:/E:/xml/xsleg/xslt/test.xsl:
XTRE0540: Ambiguous rule match for /aaa/ccc[1]
Matches both "node()" on line 7 of file:/E:/xml/xsleg/xslt/test.xsl
and "element()" on line 12 of file:/E:/xml/xsleg/xslt/test.xsl
[some more output]
I am curious, why these two templates rules are ambiguous. The XSLT
2.0 spec says, "In many cases this means that highly selective
patterns have higher priority than less selective patterns."
Isn't * more specific than node() ? I was hoping, that * would have
higher priority than node().
To solve this problem, I have to put priority attribute to one of the rules.
Can somebody please explain this ...
--
Regards,
Mukul Gandhi
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