[1] [CITE[''''''[''''''whatwg'''''']'''''' <imgset> responsive imgs proposition (Re: The src-N proposal)]]
( ([TIME[2013-11-12 20:52:48 +09:00]] 版))
<http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2013-November/041434.html>