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Diffstat (limited to 'toplevel/backtrack.ml')
| -rw-r--r-- | toplevel/backtrack.ml | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/toplevel/backtrack.ml b/toplevel/backtrack.ml index 912d694e..f444fc2d 100644 --- a/toplevel/backtrack.ml +++ b/toplevel/backtrack.ml @@ -96,7 +96,9 @@ let mark_command ast = Stack.push { label = Lib.current_command_label (); nproofs = List.length (Pfedit.get_all_proof_names ()); - prfname = (try Some (Pfedit.get_current_proof_name ()) with _ -> None); + prfname = + (try Some (Pfedit.get_current_proof_name ()) + with Proof_global.NoCurrentProof -> None); prfdepth = max 0 (Pfedit.current_proof_depth ()); reachable = true; ngoals = get_ngoals (); |