diff options
| -rw-r--r-- | isar/isar.el | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/isar/isar.el b/isar/isar.el index 6a4e05a1..feea1f4d 100644 --- a/isar/isar.el +++ b/isar/isar.el @@ -257,7 +257,7 @@ See -k option for Isabelle interface script." (setq proof-find-and-forget-fn 'isar-find-and-forget) (setq proof-arbitrary-undo-positions nil))) -(defpacustom use-linear-undo nil +(defpacustom use-linear-undo t "Whether to allow undo to re-enter completed proofs (requires restart)." :type 'boolean :eval (isar-set-undo-commands)) |