RE: [xsl] Count() nodes ??

[Wendell Piez <wapiez@xxxxxxxxxxxxxxxx>]

Dipesh,

At 11:00 AM 9/17/2003, you wrote:
> I didn't got your point fo this "Incidentally, using //Root rather than /Root
> to access the document element is appallingly inefficient."

"//Root" is an abbreviation for the expression

"/descendant-or-self::*/child::Root"

which is to say, it traverses the descendant-or-self axis from the root 
node "/", retrieving all elements named "Root" that are children of itself 
or any descendant.

Which is to say, it looks through the entire document to get all elements 
named "Root".

The expression "/Root" is short for "/child::Root", which looks at the 
single level below the root node and returns any Root elements (in a 
well-formed XML document, there will be one or none since the document 
element will either be named "Root", or it won't).

Cheers,
Wendell



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Wendell Piez                            mailto:wapiez@xxxxxxxxxxxxxxxx
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