Re: [codec] [Technical Errata Reported] RFC6716 (4853)

"Ben Campbell" <ben@nostrum.com> Wed, 02 November 2016 20:38 UTC

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From: Ben Campbell <ben@nostrum.com>
To: "Timothy B. Terriberry" <tterriberry@mozilla.com>
Date: Wed, 02 Nov 2016 15:15:20 -0500
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Cc: atomnuker@gmail.com, aamelnikov@fastmail.fm, codec@ietf.org, alissa@cooperw.in, koenvos74@gmail.com, RFC Errata System <rfc-editor@rfc-editor.org>
Subject: Re: [codec] [Technical Errata Reported] RFC6716 (4853)
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On 2 Nov 2016, at 15:11, Timothy B. Terriberry wrote:

> RFC Errata System wrote:
>> --------------------------------------
>> Type: Technical
>> Reported by: Rostislav Pehlivanov <atomnuker@gmail.com>
>>
>> Section: 5.1.1
>>
>> Original Text
>> -------------
>>                                      rng
>>                          rng = rng - --- * (fh - fl)
>>                                      ft
>>
>> Corrected Text
>> --------------
>>                                      rng
>>                          rng = rng - --- * (ft - fh)
>>                                      ft
>>
>> Notes
>> -----
>> Equation should match with the one in the range decoder (section 
>> 4.1.2), however comparing the two and the reference implementation 
>> reveals the equation in section 5.1.1 to be incorrect.
>
> I think this report is correct and should be Verified. Although the 
> code is authoritative, this section of the text is complete enough for 
> someone to implement this feature directly from the text, so it will 
> cause confusion if they don't actually match.

Done.

Thanks!

Ben.