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-rw-r--r--interp/notation.ml5
1 files changed, 5 insertions, 0 deletions
diff --git a/interp/notation.ml b/interp/notation.ml
index 8f19ab85..d2bee550 100644
--- a/interp/notation.ml
+++ b/interp/notation.ml
@@ -817,3 +817,8 @@ let _ =
{ freeze_function = freeze;
unfreeze_function = unfreeze;
init_function = init }
+
+let with_notation_protection f x =
+ let fs = freeze () in
+ try let a = f x in unfreeze fs; a
+ with e -> unfreeze fs; raise e