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RE: [xsl] preceeding sibling on a first node
Subject: RE: [xsl] preceeding sibling on a first node From: "Michael Kay" <mhk@xxxxxxxxx> Date: Sun, 8 Feb 2004 16:11:46 -0000 |
> > What does a preceeding sibling check return in the > first child node position? The preceding-sibling axis returns the empty node-set if the context node has no preceding siblings. > > Here's an xml snippet > > ------------------------------------------ > <LOG> > <DIRECT> > <LOCATION_ID> 24 </LOCATION_ID> > <TARGET_CHARACTER_LOCATION_ID> 2799 > </TARGET_CHARACTER_LOCATION_ID> > <MESSAGE> hello </MESSAGE> > </DIRECT> > > <xsl:variable name="vNumNotSame" > select="count(LOG/*[number(LOCATION_ID) != > > number(TARGET_CHARACTER_LOCATION_ID) and > > preceding-sibling::*[1]/MESSAGE != > MESSAGE])"/> > Try using not(A=B) in place of A!=B. In the case where A is an empty node-set, the first expression is true, while the second is false. (But I haven't analyzed your code deeply enough to be confident this is the problem). Michael Kay XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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