[Printing-architecture] Specs for PPD extensions updated: Fallbacks for legacy PPDs and option widget hinting

Till Kamppeter till.kamppeter at gmail.com
Tue Jul 22 07:20:16 PDT 2008


following the OpenPrinting Meeting in Tokyo of this month, I have 
updated the specs for the OpenPrinting PPD extensions:


At first I have described fallback methods for how the Common Printing 
Dialog (or any printing dialog in general) should behave if an option 
definition in a PPD does not use the appropriate keywords of the PPD 
extension. These fallback methods I have clearly marked with the word 
"Fallback:" in bold so that one can quickly browse over the specs and 
see which fallbacks are supposed to be used. I think this makes more 
sense than moving them to an extra page, as now they stand together with 
the new keywords which they replace.

I have also added a new keyword which allows to give hints with each 
option definition, which type of widgets should be used. Here both data 
types or directly widget types can be supplied.


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