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| author | John Wiegley <johnw@newartisans.com> | 2002-05-01 22:19:10 +0000 |
|---|---|---|
| committer | John Wiegley <johnw@newartisans.com> | 2002-05-01 22:19:10 +0000 |
| commit | 22b47d6e2731685cf0f2618499fa772c26328482 (patch) | |
| tree | ec4170423c92b28cbd0e922a75b353345123a856 /chess-game.el | |
| parent | c649d124baa42c1207d94ae5f6ed5e4f33b7c3f2 (diff) | |
*** no comment ***
Diffstat (limited to 'chess-game.el')
| -rw-r--r-- | chess-game.el | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/chess-game.el b/chess-game.el index f8e1101..4a82b04 100644 --- a/chess-game.el +++ b/chess-game.el @@ -228,6 +228,7 @@ This conveys the status of the game at the given index." "Undo the last COUNT plies of GAME." (assert game) (assert (integerp count)) + (assert (> count 0)) (if (> count (chess-game-index game)) (chess-error 'undo-limit-reached)) (let ((chess-game-inhibit-events t)) |