[1] Web Applications 1.0 r5571 Better define how sets of unique space-separated tokens are handled in terms of case-sensitivity.Fixing http://www.w3.org/Bugs/Public/show_bug.cgi?id=10781 ( (9/30/2010, 11:07:00 PM 版)) <http://html5.org/tools/web-apps-tracker?from=5570&to=5571>
Google search: sizes