- return state->completed;
+ /*
+ * Dead-end situations are assumed to be rescuable by Undo, so we
+ * don't bother to identify them and return -1.
+ */
+ return state->completed ? +1 : 0;
FALSE, FALSE, game_print_size, game_print,
FALSE, /* wants_statusbar */
FALSE, game_timing_state,
FALSE, FALSE, game_print_size, game_print,
FALSE, /* wants_statusbar */
FALSE, game_timing_state,