XorEvaluateOperator  540 Magick++/lib/Magick++/Include.h   using MagickCore::XorEvaluateOperator;
XorEvaluateOperator 1058 magick/option.c     { "Xor", XorEvaluateOperator, UndefinedOptionFlag, MagickFalse },
XorEvaluateOperator  406 magick/statistic.c     case XorEvaluateOperator: