[IPP] iana registrations section 2: 1setOf missing?

[IPP] iana registrations section 2: 1setOf missing?

Michael Sweet msweet at msweet.org
Thu Apr 16 20:58:32 UTC 2020


Ira/Gerhard,

This is definitely a typo in the current registry.  I will submit a fix for this tomorrow, so hopefully everything will be correct by next week.


> On Apr 16, 2020, at 4:32 PM, Ira McDonald <blueroofmusic at gmail.com> wrote:
> 
> Hi Gerhard,
> 
> I'm copying in Mike Sweet, who generates all the IANA IPP Registry updates for PWG
> (and has some tools for helping with this process).  Mike and I are the IETF Designated
> Experts for the IANA IPP Registry.
> 
> Looking at RFC 8011 and its predecessor RFC 2911, it indeed looks like there's a
> missing wrapper of '1setOf' - which is unfortunate, because this would be a change
> that was *not* backward compatible in ipptool scripts for IPP Everywhere Self-Cert.
> 
> Mike - can you shed some light on these two issues?
> 
> Cheers,
> - Ira
> Ira McDonald (Musician / Software Architect)
> Co-Chair - TCG Trusted Mobility Solutions WG
> Co-Chair - TCG Metadata Access Protocol SG
> Chair - Linux Foundation Open Printing WG
> Secretary - IEEE-ISTO Printer Working Group
> Co-Chair - IEEE-ISTO PWG Internet Printing Protocol WG
> IETF Designated Expert - IPP & Printer MIB
> Blue Roof Music / High North Inc
> http://sites.google.com/site/blueroofmusic
> http://sites.google.com/site/highnorthinc
> mailto: blueroofmusic at gmail.com
> (permanent) PO Box 221  Grand Marais, MI 49839  906-494-2434
> 
> 
> On Thu, Apr 16, 2020 at 4:17 PM Gerhard Muth <gerhard.muth at gmx.de> wrote:
> Dear IPP experts,
> 
> my own ipp implementation (https://github.com/gmuth/ipp-client-kotlin) warned me about spec violations in live ipp connections:
> 
> WARN: 'number-up-supported' is not registered as '1setOf'
> WARN: 'printer-resolution-supported' is not registered as '1setOf'
> 
> So I looked into it:
> 
> Page 109 of RFC  8011 (pdf)
> <Bildschirmfoto 2020-04-16 um 21.49.42.png><Bildschirmfoto 2020-04-16 um 21.57.06.png>
> 
> https://www.iana.org/assignments/ipp-registrations/ipp-registrations.xhtml#ipp-registrations-2 says:
> 
> <Bildschirmfoto 2020-04-16 um 21.53.53.png>
> <Bildschirmfoto 2020-04-16 um 21.57.39.png>
> 
> For both attributes „1setOf“ is missing.
> 
> If this is a valid issue could you please forward a request for correction to the iana organisation?
> 
> My ipp validation code is based on the iana csv file
> https://github.com/gmuth/ipp-client-kotlin/blob/master/src/main/kotlin/de/gmuth/ipp/iana/IppRegistrationsSection2.kt
> 
> Best regards,
> Gerhard
> 

________________________
Michael Sweet





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