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Re: [MMUSIC] [Technical Errata Reported] RFC4566 (6022)

Paul Kyzivat <pkyzivat@alum.mit.edu> Mon, 16 March 2020 19:58 UTC

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To: RFC Errata System <rfc-editor@rfc-editor.org>, M.Handley@cs.ucl.ac.uk, van@packetdesign.com, csp@csperkins.org, ben@nostrum.com, aamelnikov@fastmail.fm, adam@nostrum.com, bo.burman@ericsson.com, fandreas@cisco.com
Cc: megan_ruggiero@outlook.com, mmusic@ietf.org
References: <20200316192743.32695F406D9@rfc-editor.org>
From: Paul Kyzivat <pkyzivat@alum.mit.edu>
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Date: Mon, 16 Mar 2020 15:58:05 -0400
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Archived-At: <https://mailarchive.ietf.org/arch/msg/mmusic/EtVNgMefjdFVfaIhUHt9Ho8AU2o>
Subject: Re: [MMUSIC] [Technical Errata Reported] RFC4566 (6022)
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Inline...

On 3/16/20 3:27 PM, RFC Errata System wrote:
> The following errata report has been submitted for RFC4566,
> "SDP: Session Description Protocol".
> 
> --------------------------------------
> You may review the report below and at:
> https://www.rfc-editor.org/errata/eid6022
> 
> --------------------------------------
> Type: Technical
> Reported by: Megan Ruggiero <megan_ruggiero@outlook.com>
> 
> Section: 9
> 
> Original Text
> -------------
>     ; sub-rules of 'e=', see RFC 2822 for definitions
>     email-address        = address-and-comment / dispname-and-address
>                            / addr-spec
>     address-and-comment  = addr-spec 1*SP "(" 1*email-safe ")"
>     dispname-and-address = 1*email-safe 1*SP "<" addr-spec ">"
> 
>     ; sub-rules of 'p='
>     phone-number =        phone *SP "(" 1*email-safe ")" /
>                           1*email-safe "<" phone ">" /
>                           phone
> 
> Corrected Text
> --------------
>     ; sub-rules of 'e=', see RFC 2822 for definitions
>     email-address        = address-and-comment / dispname-and-address
>                            / addr-spec
>     address-and-comment  = addr-spec 1*SP "(" 1*email-safe ")"
>     dispname-and-address = 1*email-safe 1*SP "<" addr-spec ">"
> 
>     ; sub-rules of 'p='
>     phone-number =        phone *SP "(" 1*email-safe ")" /
>                           1*email-safe 1*SP "<" phone ">" /
>                           phone
> 
> Notes
> -----
> There's an inconsistency between the definitions of dispname-and-address and phone-number. I am not sure if this is intentional or not, and in practice this doesn't change what's matched (as email-safe includes spaces), but I thought it'd be worth mentioning since I myself got tripped up when translating the grammar.
> 
> Alternatively, perhaps 1*SP should be removed from dispname-and-address.

I just checked, and this remains in rfc4566bis.

Since this has no practical impact I see no reason to change anything.

	Thanks,
	Paul

> Instructions:
> -------------
> This erratum is currently posted as "Reported". If necessary, please
> use "Reply All" to discuss whether it should be verified or
> rejected. When a decision is reached, the verifying party
> can log in to change the status and edit the report, if necessary.
> 
> --------------------------------------
> RFC4566 (draft-ietf-mmusic-sdp-new-26)
> --------------------------------------
> Title               : SDP: Session Description Protocol
> Publication Date    : July 2006
> Author(s)           : M. Handley, V. Jacobson, C. Perkins
> Category            : PROPOSED STANDARD
> Source              : Multiparty Multimedia Session Control RAI
> Area                : Real-time Applications and Infrastructure
> Stream              : IETF
> Verifying Party     : IESG
> 
> _______________________________________________
> mmusic mailing list
> mmusic@ietf.org
> https://www.ietf.org/mailman/listinfo/mmusic
>

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