[whatwg] StringEncoding open issues
Jonas Sicking
jonas at sicking.cc
Fri Aug 17 17:19:04 PDT 2012
On Fri, Aug 17, 2012 at 7:15 AM, Glenn Maynard <glenn at zewt.org> wrote:
> On Fri, Aug 17, 2012 at 2:23 AM, Jonas Sicking <jonas at sicking.cc> wrote:
>>
>> > - If encoding is "utf-16" and the first bytes match 0xFF 0xFE or
>> > 0xFE
>> > 0xFF then set current encoding to "utf-16" or "utf-16be"
>> > respectively and
>> > advance the stream past the BOM. The current encoding is used
>> > until the
>> > stream is reset.
>> > - Otherwise, if the first bytes match 0xFF 0xFE, 0xFE 0xFF, or
>> > 0xEF
>> > 0xBB 0xBF then set current encoding to "utf-16", "utf-16be" or
>> > "utf-8"
>> > respectively and advance the stream past the BOM. The current
>> > encoding is
>> > used until the stream is reset.
>>
>> This doesn't sound right. The effect of the rules so far would be that
>> if you create a decoder and specify "utf-16" as encoding, and the
>> first bytes in the stream are 0xEF 0xBB 0xBF you'd silently switch to
>> "utf-8" decoding.
>
> I think the scope of the "otherwise" is unclear, and this is meant to be
> "otherwise (if encoding is not "utf-16")".
Ah, that would make sense. It effectively means "if encoding is not set".
/ Jonas
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