UndoCommand      2793 magick/display.c   (void) XMagickCommand(display,resource_info,windows,UndoCommand,image);
UndoCommand      3522 magick/display.c             (void) XMagickCommand(display,resource_info,windows,UndoCommand,
UndoCommand      5758 magick/display.c               (void) XMagickCommand(display,resource_info,windows,UndoCommand,
UndoCommand      6408 magick/display.c     case UndoCommand:
UndoCommand      6769 magick/display.c       return(UndoCommand);
UndoCommand      9818 magick/display.c             (void) XMagickCommand(display,resource_info,windows,UndoCommand,
UndoCommand      11075 magick/display.c       UndoCommand,
UndoCommand      11498 magick/display.c             case UndoCommand:
UndoCommand      14146 magick/display.c       UndoCommand,
UndoCommand      14255 magick/display.c       UndoCommand,