Re: Processing Instructions

On 07/12/2007, Michael Kay <mike@xxxxxxxxxxxx> wrote:
> > Replace "preceding::*[1]" by (preceding::*|ancestor::*)[last()]
>
>
> Come to think of it, there's an optimization that might make a big
> difference:
>
> (..|preceding::*[1])[last()]

or perhaps:

generate-id(.) = generate-id(key('elem-by-pg', @pg)[1])

which is the same as

. is key('elem-by-pg', @pg)[1]

isn't it?

-- 
Andrew Welch
http://andrewjwelch.com
Kernow: http://kernowforsaxon.sf.net/