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[Bug 13396] i18n-ISSUE-77: HTTP and defaulting to UTF-16LE

From: <bugzilla@jessica.w3.org>
Date: Fri, 29 Jul 2011 02:02:56 +0000
To: public-i18n-core@w3.org
Message-Id: <E1QmcPg-0002uJ-Sb@jessica.w3.org>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=13396

Martin Dürst <duerst@it.aoyama.ac.jp> changed:

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--- Comment #2 from Martin Dürst <duerst@it.aoyama.ac.jp> 2011-07-29 02:02:56 UTC ---
(In reply to comment #1)
> (In reply to comment #0)
> > 8.2.2.2 Character encodings
> > http://www.w3.org/TR/html5/parsing.html#character-encodings-0
> > 
> > Supported by the i18n WG.
> > 
> > "When a user agent is to use the UTF-16 encoding but no BOM has been found,
> > user agents must default to UTF-16LE."
> > 
> > If the HTTP header declares the file to be UTF-16BE, which I believe it can,
> > and in which case a BOM should *not* be used, then I think that this would not
> > be true.
> 
> Then the user agent isn't to use the UTF-16 encoding but the UTF-16BE encoding.
> The quoted sentence shouldn't say "UTF-16LE". It should say "little-endian
> UTF-16", unless the spec intends the reported encoding for the document to
> change and I'm pretty sure that's not the intention.

This would definitely make things clearer. I'd also suggest to change "is to
use the UTF-16 encoding" at the start of the sentence to something that makes
it clearer that this is stuff *labeled* with a label of "UTF-16" (using
explicit quotes).

> > If the HTTP header declares the file to be UTF-16, then there must be
> > a BOM, so I assume that this is a recovery mechanism if someone does declare
> > UTF-16 in HTTP but omits the BOM.
> 
> Yes.

It may help to make this clear in the text.

Regards,   Martin.

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