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-rw-r--r--test-suite/ide/undo014.fake1
1 files changed, 1 insertions, 0 deletions
diff --git a/test-suite/ide/undo014.fake b/test-suite/ide/undo014.fake
index f5fe7747..13e71822 100644
--- a/test-suite/ide/undo014.fake
+++ b/test-suite/ide/undo014.fake
@@ -4,6 +4,7 @@
# Test backtracking in presence of nested proofs
# Third, undo inside an inner proof
#
+ADD { Set Nested Proofs Allowed. }
ADD { Lemma aa : True -> True /\ True. }
ADD { intro H. }
ADD { split. }