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-rw-r--r--parsing/egramml.ml4
1 files changed, 2 insertions, 2 deletions
diff --git a/parsing/egramml.ml b/parsing/egramml.ml
index 97a3e89a5..984957589 100644
--- a/parsing/egramml.ml
+++ b/parsing/egramml.ml
@@ -17,7 +17,7 @@ open Vernacexpr
type 's grammar_prod_item =
| GramTerminal of string
| GramNonTerminal :
- Loc.t * 'a raw_abstract_argument_type * ('s, 'a) symbol -> 's grammar_prod_item
+ Loc.t * 'a raw_abstract_argument_type option * ('s, 'a) symbol -> 's grammar_prod_item
type 'a ty_arg = ('a -> raw_generic_argument)
@@ -38,7 +38,7 @@ let rec ty_rule_of_gram = function
AnyTyRule r
| GramNonTerminal (_, t, tok) :: rem ->
let AnyTyRule rem = ty_rule_of_gram rem in
- let inj = Some (fun obj -> Genarg.in_gen t obj) in
+ let inj = Option.map (fun t obj -> Genarg.in_gen t obj) t in
let r = TyNext (rem, tok, inj) in
AnyTyRule r