UPSAMPLE_MERGING_SUPPORTED   47 jdmaster.c     #ifdef UPSAMPLE_MERGING_SUPPORTED
UPSAMPLE_MERGING_SUPPORTED  344 jdmaster.c     #ifdef UPSAMPLE_MERGING_SUPPORTED
UPSAMPLE_MERGING_SUPPORTED   39 jdmerge.c      #ifdef UPSAMPLE_MERGING_SUPPORTED