> On Jan 3, 2016, at 3:41 PM, Ira McDonald <blueroofmusic at gmail.com> wrote:
>> Hi Mike,
>> Reviewing IPP minutes from 12/07, I found:
>> ⁃ status-code isn't a type2 enum attribute, it is a parameter; see the
> following for example text (although I think I'll swap the status
> message and natural language paragraphs for the next draft):
> ⁃ https://tools.ietf.org/html/draft-sweet-rfc2911bis-05#page-38 <https://tools.ietf.org/html/draft-sweet-rfc2911bis-05#page-38>
>>> But in the 2911 and your latest 2911bis-06 draft, it says:
>> 4.1.6. Operation Response Status Codes and Status Messages
>> Every operation response includes a REQUIRED "status-code" parameter
> and MAY include the RECOMMENDED "status-message" and OPTIONAL
> "detailed-status-message" operation attributes. The Print-URI and
> Send-URI response MAY include an OPTIONAL "document-access-error"
> operation attribute.
>> 188.8.131.52. "status-code" (type2 enum)
>> The REQUIRED "status-code" parameter provides information on the
> processing of a request...
>>> So despite the "special encoding rules" for "status-code" with in the earlier
> section 4.1.1 of 2911bis, the spec later describes it as a parameter but also
> specifies its semantics as a type 2 enum in operation responses.
Yes, type2 enum values for purposes of registration (although successful-ok's 0 value isn't strictly allowed for enums) but not an *attribute*. Status codes are part of a separate registry section. The point of my comment in the minutes is not about the registration but that "status-code" is not an attribute, but a parameter that is encoded in a fixed location of every IPP message.
I'll re-read the sections and see if there is anything I can do to clarify it.
>> I suggest that it's section 4.1.1 of 2911bis that's wrong (and should forward
> reference section 4.1.6 below) and that the "special encoding rules" text is
> gratuitous obscurity.
> - Ira
>> Ira McDonald (Musician / Software Architect)
> Co-Chair - TCG Trusted Mobility Solutions WG
> 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
> mailto: blueroofmusic at gmail.com <mailto:blueroofmusic at gmail.com>
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Michael Sweet, Senior Printing System Engineer
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