Added new API function cfFilterLoadPPD() and cfFilterFreePPD() for
easy setup of filter function (chain) calls. Call cfFilterLoadPPD()
when setting up the filter data structure before calling the filter
functions and call cfFilterFreePPD() when done.
CHANGES IN V2.0.0
+ - libcupsfilters: Added new API function cfFilterLoadPPD() and
+ cfFilterFreePPD() for easy setup of filter function (chain)
+ calls. Call cfFilterLoadPPD() when setting up the filter
+ data structure before calling the filter functions and call
+ cfFilterFreePPD() when done.
- libcupsfilters: Renamed function/data type/constant names to
get a consistent API: Functions start with "cf" and the name
is in camel-case, data types start with "cf_" and are