Subject: RE: [xsl] behavior of xsl:value-of with empty string From: "Dion Houston" <dionh@xxxxxxxxxxxxxxxxxxxxx> Date: Tue, 1 Oct 2002 11:31:15 -0700 |
Lars: Thank you for discovering an issue with our products. I've confirmed that this issue is present in all current versions of our XSLT parsers (MSXML3 and 4; System.Xml) As you have discovered, a text node is being created, albeit with empty content. This is contrary to XSLT spec 7.6.1. I have forwarded this information to the System.Xml and MSXML teams, and they have filed bugs to have this fixed. I'll track this issue personally, so if you would like me to update you when they're resolved, please contact me directly. Thank you for using Microsoft products! Dion Houston Software Design Engineer/Test, UDDI http://uddi.microsoft.com -----Original Message----- From: Michael Kay [mailto:michael.h.kay@xxxxxxxxxxxx] Sent: Tuesday, October 01, 2002 8:56 AM To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx Subject: RE: [xsl] behavior of xsl:value-of with empty string > The XSLT spec says that the xsl:value-of element creates a > text node in the result tree, but if the string is empty, no > text node should be created. I have a situation where a rtf > is initially bound to a variable, then converted to a nodeset > using an extension function and I am, thus, able to detect > the processor's (lack of) adherence to this rule. And I > believe msxml may not be following the spec. Can someone, > please, confirm my suspicion or correct my misunderstanding? The specification of msxsl:node-set() is entirely under Microsoft's control. Michael Kay Software AG home: Michael.H.Kay@xxxxxxxxxxxx work: Michael.Kay@xxxxxxxxxxxxxx > > If I run the stylesheet below, I get the following output: > > test id=1: count(child::node())=1, expected 0 > test id=2: count(child::node())=0, expected 0 > test id=3: count(child::node())=3, expected 1 > test id=4: count(child::node())=2, expected 1 > test id=5: count(child::node())=2, expected 1 > test id=6: count(child::node())=1, expected 1 > test id=7: count(child::node())=1, expected 1 > test id=8: count(child::node())=1, expected 1 > test id=9: count(child::node())=3, expected 2 > > whereas I had expected to get: > > test id=1: count(child::node())=0, expected 0 > test id=2: count(child::node())=0, expected 0 > test id=3: count(child::node())=1, expected 1 > test id=4: count(child::node())=1, expected 1 > test id=5: count(child::node())=1, expected 1 > test id=6: count(child::node())=1, expected 1 > test id=7: count(child::node())=1, expected 1 > test id=8: count(child::node())=1, expected 1 > test id=9: count(child::node())=2, expected 2 > > Lars > > > <?xml version="1.0"?> > <xsl:transform version="1.0" > xmlns:xsl="http://www.w3.org/1999/XSL/Transform" > xmlns:msxsl="urn:schemas-microsoft-com:xslt" > exclude-result-prefixes="msxsl"> > > <xsl:template match="/"> > <xsl:variable name="tests-rtf"> > <tests> > <test id="1" children="0"><xsl:value-of select="''"/></test> > <test id="2" children="0"><xsl:value-of > select="''"/><xsl:value-of select="''"/></test> > <test id="3" children="1"><xsl:value-of > select="''"/><element/><xsl:value-of select="''"/></test> > > <test id="4" children="1"><xsl:value-of > select="''"/><xsl:value-of > select="''"/><element/><xsl:value-of select="''"/></test> > <test id="5" children="1"><xsl:value-of > select="''"/><element/><xsl:value-of > select="''"/><xsl:value-of select="''"/></test> > <test id="6" children="1"><xsl:value-of > select="''"/><xsl:value-of > select="''"/><element/><xsl:value-of > select="''"/><xsl:value-of select="''"/></test> > > <test id="7" children="1"><xsl:value-of > select="'1'"/><xsl:value-of select="''"/></test> > <test id="8" children="1"><xsl:value-of > select="'1'"/><xsl:value-of select="''"/><xsl:value-of > select="''"/></test> > <test id="9" children="2"><xsl:value-of > select="'1'"/><xsl:value-of > select="''"/><element/><xsl:value-of select="''"/></test> > </tests> > </xsl:variable> > > <xsl:for-each select="msxsl:node-set($tests-rtf)/tests/test"> > test id=<xsl:value-of select="@id"/>: > count(child::node())=<xsl:value-of > select="count(child::node())"/>, expected <xsl:value-of > select="@children"/><br/> > </xsl:for-each> > </xsl:template> > > > > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list > XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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