--- Michael Kay <mhk@xxxxxxxxx> wrote:
> > 
> > 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


Hello,

I tried changing A != B fot not(A=B) and it gave me
the same result. 

Marina
> 
> 
>  XSL-List info and archive: 
> http://www.mulberrytech.com/xsl/xsl-list
> 


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