Web Applications 1.0 r5307 use vendor--feature instead of _vendor-feature since Apple engineers think underscores are ugly.Fixing http://www.w3.org/Bugs/Public/show_bug.cgi?id=9590

Add a description of Web Applications 1.0 r5307 use vendor--feature instead of _vendor-feature since Apple engineers think underscores are ugly.Fixing http://www.w3.org/Bugs/Public/show_bug.cgi?id=9590