[IPP] media-size unit problem in rfc3382

[IPP] media-size unit problem in rfc3382

Ira McDonald blueroofmusic at gmail.com
Tue Nov 8 17:41:59 UTC 2011


Hi,

Thanks Mike!

RFC 3382 was simply one of the many IPP RFCs delayed in IETF process.

Cheers,
- Ira

Ira McDonald (Musician / Software Architect)
Chair - Linux Foundation Open Printing WG
Secretary - IEEE-ISTO Printer Working Group
Co-Chair - IEEE-ISTO PWG IPP WG
Co-Chair - TCG Trusted Mobility Solutions WG
Chair - TCG Embedded Systems Hardcopy SG
IETF Designated Expert - IPP & Printer MIB
Blue Roof Music/High North Inc
http://sites.google.com/site/blueroofmusic
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On Tue, Nov 8, 2011 at 12:17 PM, Michael R Sweet <msweet at apple.com> wrote:

> Pete,
>
> I'll post an errata for 3382.
>
> Sent from my iPhone
>
> On Nov 8, 2011, at 8:48 AM, "Zehler, Peter" <Peter.Zehler at xerox.com>
> wrote:
>
> Mike,****
>
> ** **
>
> I know it’s confusing; it confused some people here.  One thing, other
> than the inconsistent differences, that contributed to their confusion was
> that RFC3382 was publish in September of 2002 and PWG5100.3 was published
> in February of 2001.  Their initial assumption was that newer spec should
> be correct.  They did not read the fine print in section 5 that indicates
> the definitions are informative.  Furthermore there is no reference,
> normative or informative, that points to the official definition.****
>
> ** **
>
> I’d like to see the 6 mistakes in rfc3382 corrected.  It might also be a
> good idea to include at least an informative reference to PWG5100.3.****
>
> ** **
>
> Pete****
>
> ** **
>
> ** **
>
> Peter Zehler
>
> Xerox Research Center Webster
> Email: Peter.Zehler at Xerox.com
> Voice: (585) 265-8755
> FAX: (585) 265-7441
> US Mail: Peter Zehler
> Xerox Corp.
> 800 Phillips Rd.
> M/S 128-25E
> Webster NY, 14580-9701 ****
>
> ** **
>
> *From:* Michael Sweet [mailto:msweet at apple.com]
> *Sent:* Tuesday, November 08, 2011 11:26 AM
> *To:* Zehler, Peter
> *Subject:* Re: [IPP] media-size unit problem in rfc3382****
>
> ** **
>
> Pete,****
>
> ** **
>
> The media-col definition in 3382 was informative and never registered.****
>
> ** **
>
> (and yes this is confusing)****
>
> ** **
>
> On Nov 8, 2011, at 4:31 AM, Zehler, Peter wrote:****
>
>
>
> ****
>
> All,****
>
> The units for media-size in rfc3382 are incorrect.  The examples in
> rfc3382 are inconsistent.  It is my understanding that current
> implementations from multiple vendors use hundredth of a millimeter.****
>
>  ****
>
> Rfc3382:****
>
> 3.1  4a – example is in mm****
>
> 5.1.2.1 – defines units as inches****
>
> 5.1.2.2 - defines units as inches****
>
> 7.2 – example in inches****
>
> Appendix A – example in inches****
>
> Appendix B – example in inches****
>
>  ****
>
> PWG5100.3:****
>
> 3.13.8.1 - defines units as hundredths of a millimeter****
>
> 3.13.8.1 - defines units as hundredths of a millimeter****
>
> 3.13.8.3.1 - defines units as hundredths of a millimeter****
>
> 3.13.8.3.2 - defines units as hundredths of a millimeter****
>
>  ****
>
> PWG5105.1:****
>
> 7.1 - defines units as hundredths of a millimeter (references 5100.3)****
>
>  ****
>
> PWG5108.1:****
>
> 4.3.1 – does not call out unit but references 5100.3****
>
> 5.2.1 - defines units as hundredths of a millimeter (references 5100.3)***
> *
>
>  ****
>
>  ****
>
>  ****
>
>  ****
>
> Peter Zehler
>
> Xerox Research Center Webster
> Email: Peter.Zehler at Xerox.com
> Voice: (585) 265-8755
> FAX: (585) 265-7441
> US Mail: Peter Zehler
> Xerox Corp.
> 800 Phillips Rd.
> M/S 128-25E
> Webster NY, 14580-9701****
>
>  ****
>
>
> --
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> ipp at pwg.org
> https://www.pwg.org/mailman/listinfo/ipp****
>
> ** **
>
> __________________________________________________****
>
> Michael Sweet, Senior Printing System Engineer, PWG Chair****
>
> ** **
>
>
> --
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