[cups.general] List of complete set of CUPS printing options

[Till Kamppeter]

Hi,

for the documentation of the PPD extensions for the Common Printing 
Dialog 
(https://www.linuxfoundation.org/en/OpenPrinting/CommonPrintingDialog) I 
need a complete list of the printing options which CUPS provides (like 
N-Up, Gamma, page-set, ...) as the dialog also needs to make these 
options available.

Unfortunately, the CUPS documentation is incomplete. 
http://localhost:631/help/options.html (of CUPS 1.3.7) for example does 
not tell anything about the Gamma and Brightness options.

The complete lst of CUPS options I need alkso to check whether the new 
pdftopdf filter is feature-complete.

    Till