HTML 5 now allows "*" in NETWORK section of appcache manifest, which allows arbitrary requests to go to network, if not served by the cache. By default, such requests are ignored to facilitate manifest creation. However, this new feature seems important for some authors.
<rdar://problem/7076110>
*** Bug 27504 has been marked as a duplicate of this bug. ***
Created attachment 35088 [details] proposed fix
Comment on attachment 35088 [details] proposed fix r=me
Committed <http://trac.webkit.org/changeset/47512>.