[cups.development] perl backend and back-channel data

[Michael R Sweet]

hans peter verne wrote:
> Hi,
> 
> I'm tinkering with a CUPS backend in perl which simply pumps a print job
> in to our legacy print system.  Works fine, most of the time.
> 
> However, sometimes it is unable to transfer the print file, and I'd like
> a way to inform the user about this.  I'd like a piece of text to pop up
> in the users interface with an "OK" button or something like that.

Use STATE: messages, then define the text you want to appear in the
PPD file using cupsIPPReason attributes.

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Michael R Sweet                        Senior Printing System Engineer