UndoCommand      2801 magick/display.c   (void) XMagickCommand(display,resource_info,windows,UndoCommand,image);
UndoCommand      3528 magick/display.c             (void) XMagickCommand(display,resource_info,windows,UndoCommand,
UndoCommand      5764 magick/display.c               (void) XMagickCommand(display,resource_info,windows,UndoCommand,
UndoCommand      6414 magick/display.c     case UndoCommand:
UndoCommand      6775 magick/display.c       return(UndoCommand);
UndoCommand      9806 magick/display.c             (void) XMagickCommand(display,resource_info,windows,UndoCommand,
UndoCommand      11065 magick/display.c       UndoCommand,
UndoCommand      11484 magick/display.c             case UndoCommand:
UndoCommand      14128 magick/display.c       UndoCommand,
UndoCommand      14237 magick/display.c       UndoCommand,