-static char *interpret_move(game_state *state, game_ui *ui, game_drawstate *ds,
+static char *interpret_move(game_state *state, game_ui *ui, const game_drawstate *ds,
- * If the player has run out of moves without winning, we don't
- * list the game as solved, because they're more likely to undo
- * and carry on than to give up and start a new game.
+ * Dead-end situations are assumed to be rescuable by Undo, so we
+ * don't bother to identify them and return -1.
FALSE, FALSE, game_print_size, game_print,
TRUE, /* wants_statusbar */
FALSE, game_timing_state,
FALSE, FALSE, game_print_size, game_print,
TRUE, /* wants_statusbar */
FALSE, game_timing_state,