invert_action     425 pengine/constraints.c     action_then = invert_action(action_then);
invert_action     426 pengine/constraints.c     action_first = invert_action(action_first);
invert_action    1695 pengine/constraints.c     action = invert_action(action);
invert_action    1771 pengine/constraints.c         action_1 = invert_action(action_1);
invert_action    1772 pengine/constraints.c         action_2 = invert_action(action_2);