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import Lean
import Playground.Zulip.EnvExInit

open Lean Meta Elab Command Tactic

error: unsolved goals ⊢ 1 + 2 = 3

Error: Docstring on `#guard_msgs` does not match generated message: error: unsolved goals 1 + 2 = 3
in theorem
foo: 1 + 2 = 3
foo
:
1: Nat
1
+
2: Nat
2
=
3: Nat
3
:=
Error: unsolved goals 1 + 2 = 3

1 + 2 = 3
Error: unsolved goals 1 + 2 = 3

1 + 2 = 3