RE: Test expression : Is Context Node an ancestor of n

> and it stop working. Isn't ancestor::Menu[1] and parent::Menu
> equivalent since the ancestor axis is going backward?

No, if the context node has a parent named X and X has a parent named Menu,
then ancestor::Menu[1] will select the grandparent, while parent::Menu won't
select anything.

Michael Kay
http://www.saxonica.com/


> 
> Likewise, (ancestor::Menu)[1] should give the first ancestor in
> document order, that is to say the anciest ancestor of the context
> node.
> 
> Am i not correct? If so why my xsl stop working (or better, it works
> in a way i don't expect) after that change?
> 
> 
> On Sat, 19 Feb 2005 10:40:29 GMT, David Carlisle 
> <davidc@xxxxxxxxx> wrote:
> > 
> > Joris
> > 
> >  1)The union operater '|' works only for node-sets, not 
> boolean value. Use
> >  'or' here.
> > 
> > actually | works here as well, you have two node sets so either you
> > coerce them each to booleanand use or or you take their 
> union and then
> > coerce to a boolean, it comes to the same thing.
> > 
> > David
> > 
> > 
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