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[Bug 25185] Usage absorption can take crawling expressions when TDU derives from xs:anyAtomicType

From: <bugzilla@jessica.w3.org>
Date: Fri, 28 Mar 2014 12:30:36 +0000
To: public-qt-comments@w3.org
Message-ID: <bug-25185-523-C2UekjD8cG@http.www.w3.org/Bugs/Public/>

--- Comment #3 from Abel Braaksma <abel.braaksma@xs4all.nl> ---
> and where an expression such as string(//title) expects a 
> singleton, it rewrites it as string(zero-or-one(data(//title))).

actually, under current streamability rules, that would not be streamable,
because of the addition of fn:data() and the crawling posture of //title. If
you were to rewrite it as string(zero-or-one(//title)) it would work.

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