x_set_frame_alpha 11490 src/xterm.c      x_set_frame_alpha (f);
x_set_frame_alpha 11514 src/xterm.c      x_set_frame_alpha (f);
x_set_frame_alpha 19318 src/xterm.c              x_set_frame_alpha (f);
x_set_frame_alpha 30945 src/xterm.c      terminal->set_frame_alpha_hook = x_set_frame_alpha;