[Bug 21778] Define a user experience for when the @longdesc is the empty string

https://www.w3.org/Bugs/Public/show_bug.cgi?id=21778

--- Comment #7 from Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no> ---
I asked a question on WhatWG, whether the related @src attribute should be
ignored when empty, or if e.g. base url does apply

http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2013-May/039486.html

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Received on Wednesday, 1 May 2013 16:27:40 UTC