NegateCommand    6473 magick/display.c     case NegateCommand:
NegateCommand    6853 magick/display.c       return(NegateCommand);
NegateCommand    7922 magick/display.c     case NegateCommand:
NegateCommand    11113 magick/display.c       NegateCommand,
NegateCommand    14198 magick/display.c       NegateCommand,