M_SOF6           1047 jdmarker.c         case M_SOF6:		/* Differential progressive, Huffman */
M_SOF6            303 rdjpgcom.c       case M_SOF6:	process = "Differential progressive";  break;
M_SOF6            360 rdjpgcom.c         case M_SOF6:		/* Differential progressive, Huffman */
M_SOF6            310 wrjpgcom.c         case M_SOF6:		/* Differential progressive, Huffman */