UndefinedEvaluateOperator  262 Magick++/lib/Magick++/Include.h   using MagickCore::UndefinedEvaluateOperator;
UndefinedEvaluateOperator  910 magick/option.c     { "Undefined", (ssize_t) UndefinedEvaluateOperator, MagickTrue },
UndefinedEvaluateOperator  944 magick/option.c     { (char *) NULL, (ssize_t) UndefinedEvaluateOperator, MagickFalse }
UndefinedEvaluateOperator  230 magick/statistic.c     case UndefinedEvaluateOperator: