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[Bug 29628] 16.2.1 fn:for-each - proposal of more succinct rules

From: <bugzilla@jessica.w3.org>
Date: Mon, 23 May 2016 11:55:46 +0000
To: public-qt-comments@w3.org
Message-ID: <bug-29628-523-8mihn5zrvf@http.www.w3.org/Bugs/Public/>

--- Comment #3 from Michael Kay <mike@saxonica.com> ---
In response to Abel's comment, there's no concept of tail recursion in the
spec: whether a particular implementation recognizes this function body as tail
recursive is purely an implementation matter.

(For Saxon, the rules are complex and not very consistent; a recursive call as
the last item in an (X, Y, f()) construct is more likely to be recognized as a
tail call in an XSLT template than in a function body).

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