MOUSE_NONE       1719 lib/tty/key.c                  use_mouse_p = MOUSE_NONE;
MOUSE_NONE       2001 lib/tty/key.c                      use_mouse_p = MOUSE_NONE;
MOUSE_NONE       2105 lib/tty/key.c                      use_mouse_p = MOUSE_NONE;
MOUSE_NONE         47 lib/tty/mouse.c Mouse_Type use_mouse_p = MOUSE_NONE;
MOUSE_NONE         86 lib/tty/mouse.c     case MOUSE_NONE:
MOUSE_NONE        127 lib/tty/mouse.c                 use_mouse_p = MOUSE_NONE;