[IPP] Envelope Media Extension Testing

[IPP] Envelope Media Extension Testing

Charles Armstrong carmstrong at cusa.canon.com
Fri Aug 21 20:40:03 UTC 2026


Got it, thanks for clarifying!

On Wed, Aug 19, 2026 at 4:09 PM Michael Sweet <msweet at msweet.org> wrote:

> Charles,
>
> The pwg.org issue tracker is only for numbered documents.  There is
> currently no way to track issues/errata for IPP registrations.
>
>
> > On Aug 19, 2026, at 5:18 PM, Charles Armstrong <
> carmstrong at cusa.canon.com> wrote:
> >
> > Hi Mike,
> > Following up on our recent discussion regarding the errata for the IPP
> Envelope Media Extensions.
> > I noticed this item is not listed on the PWG issue tracker. (
> https://www.pwg.org/dynamo/issues.php?L). Should I expect to see it added
> there, or is it being tracked through a different process? I just want to
> ensure I'm looking in the right place.
> > Thanks
> > Charles
> >
> >
> > On Thu, Aug 28, 2025 at 9:32 AM Charles Armstrong via ipp <ipp at pwg.org>
> wrote:
> > Email was not sent from a Canon Network!
> >
> > Thank you, Mike, I appreciate you adding this to your to-do list.
> >
> > -----Original Message-----
> > From: Michael Sweet <msweet at msweet.org>
> > Sent: Thursday, August 28, 2025 6:41 AM
> > To: Charles Armstrong <carmstrong at cusa.canon.com>
> > Cc: PWG IPP Workgroup <ipp at pwg.org>
> > Subject: Re: [IPP] Envelope Media Extension Testing
> >
> > Email was not sent from a Canon Network!
> >
> > Charles,
> >
> > > On Aug 27, 2025, at 8:03 PM, Charles Armstrong <
> carmstrong at cusa.canon.com> wrote:
> > >
> > > Hi Mike,
> > > Thanks for your guidance on the envelope issue; swapping the x- and
> > > y-dimension values on certain attributes fixed the problem on macOS
> and iOS However, it did bring up something that's a bit confusing. The way
> the media-size names are formatted (like jpn_you4-long-flap_235x105mm)
> seems to imply a landscape orientation, but the actual x-dimension and
> y-dimension values in the attributes need to be in portrait format for it
> to work.
> > > Since this isn't spelled out in the spec, we think it would be really
> helpful to update the IPP Envelope Media Extensions spec to clearly state
> that the dimensions must always be ordered in portrait mode in those IPP
> attributes.
> >
> > Sigh... I will add this to my TODO list to do an errata update of the
> (now published) registration...
> >
> > ________________________
> > Michael Sweet
> >
> > _______________________________________________
> > ipp mailing list
> > ipp at pwg.org
> >
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> ________________________
> Michael Sweet
>
>
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