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...
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Michael Sweet