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

https://www.w3.org/Bugs/Public/show_bug.cgi?id=25185

--- Comment #4 from Michael Kay <mike@saxonica.com> ---
>If you were to rewrite it as string(zero-or-one(//title)) it would work.

Yes but it would produce the wrong answer if there are two title elements and
one of them has an empty sequence as its typed value.

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Received on Friday, 28 March 2014 12:38:04 UTC