int input_units_global, input_units_current;
long soldermask_delta = 600 * 254;
long clearance_setting = 2000 * 254;
struct part_decal *part_decal_list;
struct part_type *part_type_list;
struct part_instance *part_inst_list;
int do_footprint_silk;
int write_footprint_files;
long output_x_offset, output_y_offset;