Function: conf-ppd-mode

Conf Mode starter for Adobe/CUPS PPD files.
Comments start with `*%' and "assignments" are with `:'.
For details see `conf-mode'. Example:

*% Conf mode font-locks this right with M-x conf-ppd-mode (PPD)

*DefaultTransfer: Null
*Transfer Null.Inverse: "{ 1 exch sub }" (fn)