TRACEMS           542 jcmarker.c           TRACEMS(cinfo, 0, JTRC_16BIT_TABLES);
TRACEMS           543 jcsample.c         TRACEMS(cinfo, 0, JTRC_SMOOTH_NOTIMPL);
TRACEMS           203 jdmarker.c       TRACEMS(cinfo, 1, JTRC_SOI);
TRACEMS          1064 jdmarker.c           TRACEMS(cinfo, 1, JTRC_EOI);