Hi Mike,
YES - a good and needed addition for fidelity to the Client's intent.
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/blueroofmusichttp://sites.google.com/site/highnorthinc
mailto: blueroofmusic at gmail.com
PO Box 221 Grand Marais, MI 49839 906-494-2434
On Thu, Jul 11, 2019 at 11:50 AM Michael Sweet via ipp <ipp at pwg.org> wrote:
> All,
>> A recent issue on the Javascript IPP project (
>https://github.com/williamkapke/ipp/issues/72) highlights an issue with
> the "page-ranges (1setOf rangeOfInteger)" Job Template attribute, namely
> that a Client cannot discover how many ranges a printer supports. The
> existing "page-ranges-supported (boolean)" attribute only specifies whether
> the "page-ranges" Job Template attribute is supported and not the maximum
> number of values a Printer supports. Moreover, existing Printers seem to
> ignore extra values without reporting this in the unsupported attributes
> group of the Create-Job/Print-Job/Print-URI/Validate-Job response, so from
> the perspective of the Client nothing has gone wrong.
>> For other attributes we have a "max-xxx" Printer Description attribute
> that tells the Client how many values can be specified, e.g.,
> "max-stitching-locations-supported" and "max-materials-col-supported". I
> therefore propose to register a new "max-page-ranges-supported
> (integer(1:MAX))" Printer Description attribute that a Printer can return
> to specify the number of page ranges the Printer supports.
>> Here is the registration template:
>>> Printer Description attributes: Reference
> ------------------------------ ---------
> max-page-ranges-supported (integer(1:MAX)) [IPP20190711]
>>> ________________________
> Michael Sweet
>>>> _______________________________________________
> ipp mailing list
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