x_set_frame_alpha 11796 src/xterm.c      x_set_frame_alpha (f);
x_set_frame_alpha 11820 src/xterm.c      x_set_frame_alpha (f);
x_set_frame_alpha 19693 src/xterm.c              x_set_frame_alpha (f);
x_set_frame_alpha 31898 src/xterm.c      terminal->set_frame_alpha_hook = x_set_frame_alpha;