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

Paul Kyzivat <pkyzivat@alum.mit.edu> Wed, 09 January 2019 16:36 UTC

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From: Paul Kyzivat <pkyzivat@alum.mit.edu>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/mmusic/yx778AmpNjQj8dxJYUbj_qRJq24>
Subject: Re: [MMUSIC] [Technical Errata Reported] RFC4566 (5595)
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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.

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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