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On Tuesday 07 December 2004 09:26, Michael Kay wrote:
> In Saxon today,
> many expressions can be evaluated in either pull or push
> mode, and the goal I'm pursuing is to keep both, while
> reducing the number of push/pull conflicts. The subject
> of a future paper perhaps.
I am curious how you decide which to choose, is this just
down to the context/structure of the expression or are
there other criteria involved?