[acgiow] (0) <input type=range multiple min=0 value='25,75' max=100> for two-valued range controls
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=13154
Affected topics: DOM APIs, HTML

git-svn-id: http://svn.whatwg.org/webapps@8435 340c8d12-0b0e-0410-8428-c7bf67bfef74