[e] (0) Try to sync more closely with MIMESNIFF.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=19798
Affected topics: HTML

git-svn-id: http://svn.whatwg.org/webapps@7769 340c8d12-0b0e-0410-8428-c7bf67bfef74
(cherry picked from commit 7dbe4db55e283e68a916b5de270125580b288e25)

Replace "Media Type Sniffing" with "MIME Sniffing" and reference
MIMESNIFF.
[giow] (3) Update to e-mail syntax checking for better compliance with the relevant RFCs.
Fixing https://www.w3.org/Bugs/Public/show_bug.cgi?id=19117
Affected topics: HTML

git-svn-id: http://svn.whatwg.org/webapps@7770 340c8d12-0b0e-0410-8428-c7bf67bfef74
(cherry picked from commit 0df9115144f0f2928b29f8c6067aba6d3c7cfa08)
[e] (0) Cleanup
Affected topics: HTML, HTML Syntax and Parsing, Rendering, Security, Video Text Tracks

git-svn-id: http://svn.whatwg.org/webapps@7771 340c8d12-0b0e-0410-8428-c7bf67bfef74
(cherry picked from commit 5791926b5533d4ad5db426028a340aca8559e6cd)
[giow] (3) Appcache: Fallback when you're offline for prefer-online caches should prefer the cached copy of the real resource over a fallback resource if both exist.
Affected topics: HTML, Rendering

git-svn-id: http://svn.whatwg.org/webapps@7772 340c8d12-0b0e-0410-8428-c7bf67bfef74
(cherry picked from commit 086586a5a54c7f5f4c908c692458bb04bfedf759)