JERR_BAD_PROGRESSION  657 jdarith.c            ERREXIT4(cinfo, JERR_BAD_PROGRESSION,
JERR_BAD_PROGRESSION 1342 jdhuff.c             ERREXIT4(cinfo, JERR_BAD_PROGRESSION,
JERR_BAD_PROGRESSION  331 jdinput.c            ERREXIT4(cinfo, JERR_BAD_PROGRESSION,