UndefinedMetric  1262 magick/option.c     { "Undefined", (ssize_t) UndefinedMetric, MagickTrue },
UndefinedMetric  1272 magick/option.c     { (char *) NULL, (ssize_t) UndefinedMetric, MagickFalse }
UndefinedMetric   282 wand/compare.c   metric=UndefinedMetric;
UndefinedMetric  1041 wand/compare.c             case UndefinedMetric:
UndefinedMetric  1181 wand/compare.c             case UndefinedMetric: