NegateCommand    6460 magick/display.c     case NegateCommand:
NegateCommand    6840 magick/display.c       return(NegateCommand);
NegateCommand    7909 magick/display.c     case NegateCommand:
NegateCommand    11097 magick/display.c       NegateCommand,
NegateCommand    14187 magick/display.c       NegateCommand,