Re: [imapext] IMAP Capability Registry and RFC 5524: URLFETCH=BINARY vs URLAUTH=BINARY

Alexey Melnikov <alexey.melnikov@isode.com> Tue, 26 May 2020 10:15 UTC

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To: Дилян Палаузов <dilyan.palauzov@aegee.org>, Dave Cridland <dave@cridland.net>, Barry Leiba <barryleiba@computer.org>
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From: Alexey Melnikov <alexey.melnikov@isode.com>
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Subject: Re: [imapext] IMAP Capability Registry and RFC 5524: URLFETCH=BINARY vs URLAUTH=BINARY
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Hi Дилян,

On 22/05/2020 17:09, Дилян Палаузов wrote:
> Hello,
>
> please comment on the following proposed erratum to RFC 5524 within a
> month:
>
> Type EDITORIAL (not TECHNICAL)
Agreed.
> Current Text:
>
> 6.  IANA Considerations
>
>     This document defines the URLFETCH=BINARY IMAP capability.  IANA has
>     added it to the registry accordingly.
>
> New Text:
>
>     This document defines the URLAUTH=BINARY IMAP capability.  IANA is
>     asked to replace URLFETCH=BINARY with URLAUTH=BINARY in the IMAP
>     registry.
>
> Motivation:
>    This document talks about URLAUTH=BINARY.  Mentioning URLFETCH=BINARY
>    in the IANA section was not intended.

I think this is fine. IANA wouldn't make the change just because an 
erratum was submitted, so they need to be notified separately.

I think your friendly ART Area Director Barry Leiba can take care of 
this. He might suggest some edits to the above.

Best Regards,

Alexey

> On Wed, 2020-05-20 at 08:15 +0100, Dave Cridland wrote:
>> Oh.
>> It looks like I made a mistake in the IANA section, that was subtle
>> enough never to be noticed by any of the reviewers or the editors, or
>> indeed IANA. That was clever of me, wasn't it?
>>
>> Given that the specification refers only to URLAUTH in defining the
>> behaviour of the server, I think the IANA section is solely at fault,
>> such means I have managed to get an errata into the registry.
>>
>> Do I get a prize? Or a lifetime ban from writing any more RFCs?
>>
>> Dave.
>>
>> On Tue, 19 May 2020, 16:49 Alexey Melnikov,
>> <alexey.melnikov@isode.com> wrote:
>>>   
>>>   Hi Дилян,
>>>   On 17/05/2020 15:55, Дилян Палаузов wrote:
>>>   
>>>   
>>>>   
>>>> Hello,
>>>>
>>>> The Internet Message Access Protocol (IMAP) Capabilities Registry
>>>> at
>>>> https://www.iana.org/assignments/imap-capabilities/imap-capabilities.xhtml
>>>> says:
>>>>
>>>> URLFETCH=BINARY 	[RFC5524]
>>>>
>>>> and RFC 5524, https://tools.ietf.org/html/rfc5524 says:
>>>>
>>>>
>>>> 3.  Extended URLFETCH
>>>>
>>>>     This extension is available in any IMAP server implementation
>>>> that
>>>>     includes URLAUTH=BINARY within its capability string.
>>>>
>>>> 5. Formal Syntax
>>>>
>>>>     capability       =/ "URLAUTH=BINARY"
>>>>
>>>> 6.  IANA Considerations
>>>>
>>>>     This document defines the URLFETCH=BINARY IMAP capability.
>>>> IANA has
>>>>     added it to the registry accordingly.
>>>>
>>>> My reading is, that the URLAUTH=BINARY and URLFETCH=BINARY
>>>> capabilities
>>>> mean the same.
>>>>   
>>>   I think one of these is a typo. I suspect "URLFETCH=BINARY" should
>>> be "URLAUTH=BINARY", because "URLAUTH" is already registered as a
>>> Capability. Dave?
>>>>   
>>>> Please comment within a month on the following proposal for
>>>> erratum:
>>>>
>>>> New text:
>>>>
>>>> 3.  Extended URLFETCH
>>>>
>>>>     This extension is available in any IMAP server implementation
>>>> that
>>>>     includes URLAUTH=BINARY or URLFETCH=BINARY within its
>>>> capability
>>>>     string.
>>>>
>>>> 5.  Formal Syntax
>>>>
>>>>   capability       =/ "URLAUTH=BINARY" / "URLFETCH=BINARY"
>>>>
>>>>        ; Command parameters; see Section 3.1
>>>>
>>>> 6.  IANA Considerations
>>>>
>>>>     This document defines the URLFETCH=BINARY and the
>>>> URLAUTH=BINARY
>>>> IMAP capabilities.  Both capabilities mean the same. IANA has
>>>> added
>>>> URLFETCH=BINARY and will add URLAUTH=BINARY to the registry
>>>> accordingly.
>>>>   
>>>   If it is a typo, I would edit your suggestion to recommend one or
>>> another, not both.
>>>   Best Regards,
>>>   Alexey
>>>   
>>>   
>>>>   
>>>> I do not insist to do the wording, anybody can take this over.
>>>>
>>>> If there is knowledge, that all implementations have consolidated
>>>> on a
>>>> single capability wording, then the erratum can get smaller.
>>>>
>>>> Greetings
>>>>    Дилян
>>>>
>>>> _______________________________________________
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>>>>   
>>>   
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