x_set_name       2327 src/xfns.c       x_set_name (f, arg, true);
x_set_name       2336 src/xfns.c       x_set_name (f, arg, false);
x_set_name       4355 src/xfns.c         x_set_name (f, name, explicit);
x_set_name       4538 src/xfns.c         x_set_name (f, name, explicit);