RE: Questions on the new XSL spec (section 2.6)

[David Schach <davidsch@xxxxxxxxxxxxx>]

Comments and questions below.

> -----Original Message-----
> From:	James Clark [SMTP:jjc@xxxxxxxxxx]
> Sent:	Monday, December 28, 1998 9:52 PM
> To:	xsl-list@xxxxxxxxxxxxxxxx
> Subject:	Re: Questions on the new XSL spec (section 2.6)
> 
> Steve Dahl wrote:
> > 
> > In section 2.6, the new pattern rules seem confusing to me:
> > 
> >     Can '.', '..', ancestor(), ancestor-or-self(), and id() appear in
> > match patterns, or only in select patterns?
> 
> Yes.
> 
> >     What does it mean when they occur in a match pattern, if that's
> > permitted?
> 
> See 2.6.2 under Matching, second paragraph.  These are kind of confusing
> when used as match patterns; one case is definitely useful:
> 
	[David] - Can you be more specific.  What does it mean to use
ancestor in a match pattern?

>  id("foo")
> 
> matches an element with ID "foo".
> 
> >     Can these patterns appear in a SubtreeExpr? In other words, can they
> > appear as a "child" of another pattern? For example, is
> > 'a/b/ancestor(c)/d' a permitted pattern?
> 
> Yes.
> 
	[David] - This construct is not permitted in the Microsoft XSL
implementation. The ancestor must be on the left side of the /.



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