huff_opt_pass     680 jcmaster.c       case huff_opt_pass:
huff_opt_pass     770 jcmaster.c       case huff_opt_pass:
huff_opt_pass     777 jcmaster.c           master->pass_type = huff_opt_pass;
huff_opt_pass     829 jcmaster.c           master->pass_type = huff_opt_pass;