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-rw-r--r--plugins/ltac/tacentries.mli2
1 files changed, 1 insertions, 1 deletions
diff --git a/plugins/ltac/tacentries.mli b/plugins/ltac/tacentries.mli
index 069504473..dac62dad3 100644
--- a/plugins/ltac/tacentries.mli
+++ b/plugins/ltac/tacentries.mli
@@ -20,7 +20,7 @@ val register_ltac : locality_flag -> Tacexpr.tacdef_body list -> unit
type 'a grammar_tactic_prod_item_expr = 'a Pptactic.grammar_tactic_prod_item_expr =
| TacTerm of string
-| TacNonTerm of Loc.t * 'a * Names.Id.t
+| TacNonTerm of Loc.t * 'a * Names.Id.t option
type raw_argument = string * string option
(** An argument type as provided in Tactic notations, i.e. a string like