*custom_min_keyword, /* Minimum custom size PWG keyword */
custom_ppd_size[41]; /* Custom PPD size name */
_pwg_size_t custom_size; /* Custom size record */
+ char *source_option; /* PPD option for media source */
int num_sources; /* Number of media sources */
_pwg_map_t *sources; /* Media sources */
int num_types; /* Number of media types */