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RE: Test expression : Is Context Node an ancestor of node with Id!

2005-02-19 10:13:48
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(_at_)nag(_dot_)co(_dot_)uk> 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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