NegateCommand    4714 magick/display.c     case NegateCommand:
NegateCommand    5097 magick/display.c       return(NegateCommand);
NegateCommand    6022 magick/display.c     case NegateCommand:
NegateCommand    9031 magick/display.c       NegateCommand,
NegateCommand    12037 magick/display.c       NegateCommand,