Ok, but it doesn't work with node() or processing-instruction() either
<a>
<b/>
<?toc order-by="x"?>
<c/>
</a>
c.selectSingleNode("preceding-sibling::*") returns b
c.selectSingleNode("preceding-sibling::node()") returns b
c.selectSingleNode("preceding-sibling::processing-instruction()")
returns null
/Mattias
> -----Original Message-----
> From: [EMAIL PROTECTED]
[mailto:jaxen-interest-
> [EMAIL PROTECTED]] On Behalf Of James Strachan
> Sent: den 19 april 2002 12:44
> To: Mattias Reichel; 'bob mcwhirter'
> Cc: [EMAIL PROTECTED]
> Subject: Re: [Jaxen] Possible bug with processing instructions
>
> From: "Mattias Reichel" <[EMAIL PROTECTED]>
> > Hmm,
> >
> > Switching to preceding axis for clarity, but issue is the same.
> >
> > From Michael Kay's XSLT Programmers Reference 2nd Edition by Wrox
Press,
> > page 364:
> >
> > preceding:
> > This selects all the nodes that appear before the origin node,
excluding
> > the ancestors of the origin, in reverse document order. If the
origin is
> > an element node, this effectively means that it contains all the
text
> > nodes, element nodes, comments, and processing instructions in the
> > document that finish before the start tag of the origin element. The
> > preceding axis will never contain attribute or namespace nodes.
> >
> > Is he dead wrong here or what?
>
> The XPath spec also says...
>
> the preceding-sibling axis contains all the preceding siblings of the
> context node; if the context node is an attribute node or namespace
node,
> the preceding-sibling axis is empty
>
>
> The issue is how does the '*' node test filter the axis.
>
> So the preceding-sibling axis contains all previous nodes of any type.
> Though using "*" filters the axis to just elements. Using node() will
see
> all node types. Using processsing-instruction() will only see PIs etc.
>
> I think this is correct. Am about to build some more test cases to
check
> this is how Jaxen behaves...
>
> James
>
>
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