[e] (0) Add more commentary on time zones.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=17857
Affected topics: HTML

git-svn-id: http://svn.whatwg.org/webapps@7733 340c8d12-0b0e-0410-8428-c7bf67bfef74
[e] (0) tweak IDL to be shorter
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=20302
Affected topics: DOM APIs, HTML

git-svn-id: http://svn.whatwg.org/webapps@7734 340c8d12-0b0e-0410-8428-c7bf67bfef74
[e] (0) Point out that the constructor isn't really useful here.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=20004
Affected topics: HTML

git-svn-id: http://svn.whatwg.org/webapps@7735 340c8d12-0b0e-0410-8428-c7bf67bfef74