[whatwg] Section 22.214.171.124 Parsing cache manifests
ap at webkit.org
Tue Dec 30 23:27:55 PST 2008
Dec 31, 2008, в 3:52 AM, Jonas Sicking написал(а):
>>> this means we could never do:
>>> "^<BOM>?CACHE MANIFEST2"
>> If incompatible changes to the format are ever needed, we can change
> Ugh, depending on the content-type for things like versioning would
> suck, people have a hard time getting that right even for HTML vs.
> GIF, so trying to use it for things as subtle as versions is bound to
> be too unreliable.
> But maybe just using a signature to detect that it's a manifest file
> of some version is enough, then manifest specific code can be used to
> choose which parser version to use.
My point is that the manifest format is quite extensible as it is, so
only a very drastic change would require versioning.
But anyway, it will still be possible to change signatures: just use
"^<BOM>?EXTENDED CACHE MANIFEST", not "^<BOM>?CACHE MANIFEST2".
- WBR, Alexey Proskuryakov
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