JERR_NOTIMPL      496 jdmainct.c           ERREXIT(cinfo, JERR_NOTIMPL);
JERR_NOTIMPL      303 jdmaster.c           ERREXIT(cinfo, JERR_NOTIMPL);
JERR_NOTIMPL     1260 jquant2.c          ERREXIT(cinfo, JERR_NOTIMPL);