Rick,
CUPS and macOS support constraints and resolvers - besides the native IPP support, they get mapped to the cupsUIConstraints and cupsUIResolvers PPD keywords, which have been supported for years.
> On Jun 18, 2018, at 7:09 PM, Yardumian, Rick <RYardumian at ciis.canon.com> wrote:
>> Hi,
>> Canon wants to support printer constraints and resolvers. Are there any IPP clients that actually use constraints and resolvers? If yes, what is your experience with these IPP clients.
>> Thank you,
> Rick Yardumian
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_________________________________________________________
Michael Sweet, Senior Printing System Engineer
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