> But what I find difficult myself is why the 
> result tree fragment can be placed in the predicate since chapter 11.1
> specifically prohibits this:
> 
>    "In particular, it is not permitted to use the 
>    /, // and [] operators on result tree fragments"

That means you can't use
$n[expr] or $n/@something or $n//leaf

There's no restriction what you can place *inside* of a predicate.

Cheers,
Oliver

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|  ob|do        Dipl.Inf. Oliver Becker                             |
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|  op|qo        WWW:    http://www.informatik.hu-berlin.de/~obecker |
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