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Re: [MMUSIC] [Technical Errata Reported] RFC4566 (5595)

Flemming Andreasen <fandreas@cisco.com> Fri, 11 January 2019 14:07 UTC

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To: Paul Kyzivat <pkyzivat@alum.mit.edu>, mmusic@ietf.org
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From: Flemming Andreasen <fandreas@cisco.com>
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Date: Fri, 11 Jan 2019 09:06:58 -0500
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Subject: Re: [MMUSIC] [Technical Errata Reported] RFC4566 (5595)
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On 1/9/19 11:36 AM, Paul Kyzivat wrote:
> On 1/8/19 9:19 PM, Dale R. Worley wrote:
>
>> Look back on this and ask yourself, What is "the order given"?
>>
>> It looks like the order is "session description" followed by "time
>> description" followed by "media descriptions, if present".  But it's
>> not.  "The order given" covers only the section titled "Session
>> description" -- "Time description" is included within it by reference in
>> the 10th item, and "Media description, if present" is included within it
>> multiply by reference in the 14th item.  (Compare with the grammar in
>> section 9.)
>>
>> In particular, time descriptions come before session attributes.
>>
>> So it would really help if this text was clarified in 4566bis.
>
> 4566bis has already been submitted to the iesg, making it harder to 
> revise now.
I'm sure we can find a way of handling that if the WG thinks the change 
is warranted (seems reasonable to me).

-- Flemming
>
> Do you have a thought about how to improve it? As it is, the text 
> reads as normative, but the ABNF should really be the formal 
> authority, with this being just a summary.
>
>     Thanks,
>     Paul
>
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