[Bug 26439] [XSLT30] fn:fold-left in streamability rules can take type-determined usage into account (from note in test)

https://www.w3.org/Bugs/Public/show_bug.cgi?id=26439

--- Comment #4 from Michael Kay <mike@saxonica.com> ---
Briefly discussed during today's telcon, though it is awaiting completion of an
action to produce a proposal. The question was raised as to what kind of
function items would be allowed in the third argument. Only allowing built-in
functions would be rather restrictive. Allowing functions that atomize their
arguments should be OK (but perhaps we already allow that?). To be at all
useful, we need to allow user-defined functions (e.g. inline functions) and
it's not clear how we can constrain them suitably.

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Received on Thursday, 21 August 2014 17:14:37 UTC