Re: [xsl] Expression Logic Problem

["Robert S. Koberg" <rob at koberg dot com>]

Joerg Heinicke wrote:
> >  From Joerg's example:
> >
> >  >
> >  > 1. preceding-sibling:
> >  >
> >  > Instead of <xsl:if test="self::node()[1]"> use <xsl:if
> >  > test="not(preceding-sibling::field/@id = @id)">
> >
> > won't this return the very first field in document order?
> >
> >
> > best,
> > -Rob
>
>
> No, it only tests whether there is not a preceding-sibling field 
> element, which has the same @id like the current one.
>
> You can write "not(preceding-sibling::field[@id = current()/@id])" if 
> you want.

It is my understanding that if you have:

<a>
  <f id="1"/>
  <f id="2"/>
  <f id="2"/>
</a>

and you happen to be on the 3rd f node you would get:

preceding-sibling::field/@id=1

and current()/@id=2

but if you use:

preceding-sibling::field[1]/@id=2



Is this wrong?

-Rob



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