On 1/10/06, Michael Kay <mike(_at_)saxonica(_dot_)com> wrote:
In fact, it is easy to see that the following two XPath expressions
are equivalent:
someElement/@someAttribute/following::someNodeTest
and
someElement/following::someNodeTest
No, I don't think that's correct. The former includes descendants of
someElement, the latter doesn't.
If so, then Saxon 8.6.1 produces an unexpected result:
When this transformation:
<xsl:stylesheet version="2.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
<xsl:output omit-xml-declaration="yes" indent="yes"/>
<xsl:template match="/">
<xsl:sequence select=
"/*/Sample/Data[1]/@category/following::node()"
/>
</xsl:template>
</xsl:stylesheet>
is applied with Saxon 8.6.1on this source xml document:
<Performance>
<Sample timestamp="Wednesday, November 30, 2005 5:10:02 PM">
<Data category="Memory" counter="Available MBytes" instance="">205</Data>
<Data category="Process" counter="Private Bytes"
instance="lsass">1.397146E+07</Data>
<Data category="Process" counter="Virtual Bytes"
instance="svchost">6.877594E+07</Data>
<Data category="Process" counter="Virtual Bytes"
instance="winword">5.653791E+08</Data>
</Sample>
<Sample timestamp="Wednesday, November 30, 2005 5:10:04 PM">
<Data category="Memory" counter="Available MBytes" instance="">192</Data>
<Data category="Process" counter="Private Bytes"
instance="lsass">1.403699E+07</Data>
<Data category="Process" counter="Virtual Bytes"
instance="svchost">6.877594E+07</Data>
<Data category="Process" counter="Virtual Bytes"
instance="winword">5.653791E+08</Data>
</Sample>
</Performance>
the following result is produced:
205
<Data category="Process" counter="Private Bytes"
instance="lsass">1.397146E+07</Data>1.397146E+07
<Data category="Process" counter="Virtual Bytes"
instance="svchost">6.877594E+07</Data>6.877594E+07
<Data category="Process" counter="Virtual Bytes"
instance="winword">5.653791E+08</Data>5.653791E+08
<Sample timestamp="Wednesday, November 30, 2005 5:10:04 PM">
<Data category="Memory" counter="Available MBytes" instance="">192</Data>
<Data category="Process" counter="Private Bytes"
instance="lsass">1.403699E+07</Data>
<Data category="Process" counter="Virtual Bytes"
instance="svchost">6.877594E+07</Data>
<Data category="Process" counter="Virtual Bytes"
instance="winword">5.653791E+08</Data>
</Sample>
<Data category="Memory" counter="Available MBytes" instance="">192</Data>192
<Data category="Process" counter="Private Bytes"
instance="lsass">1.403699E+07</Data>1.403699E+07
<Data category="Process" counter="Virtual Bytes"
instance="svchost">6.877594E+07</Data>6.877594E+07
<Data category="Process" counter="Virtual Bytes"
instance="winword">5.653791E+08</Data>5.653791E+08
So, is this a Saxon 8.6.1 bug in handling the "following" axis?
--
Cheers,
Dimitre Novatchev
---------------------------------------
To avoid situations in which you might make mistakes may be the
biggest mistake of all.
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