PlusCompositeOp   325 Magick++/lib/Magick++/Include.h   using MagickCore::PlusCompositeOp;
PlusCompositeOp  2508 magick/composite.c         case PlusCompositeOp:
PlusCompositeOp   817 magick/option.c     { "Plus", PlusCompositeOp, UndefinedOptionFlag, MagickFalse },