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-rw-r--r--ide/xmlprotocol.mli4
1 files changed, 2 insertions, 2 deletions
diff --git a/ide/xmlprotocol.mli b/ide/xmlprotocol.mli
index 3f85145513..265a50c47c 100644
--- a/ide/xmlprotocol.mli
+++ b/ide/xmlprotocol.mli
@@ -13,7 +13,7 @@ open Xml_datatype
type 'a call
-type unknown
+type unknown_call = Unknown : 'a call -> unknown_call
val add : add_sty -> add_rty call
val edit_at : edit_at_sty -> edit_at_rty call
@@ -43,7 +43,7 @@ val protocol_version : string
(** * XML data marshalling *)
val of_call : 'a call -> xml
-val to_call : xml -> unknown call
+val to_call : xml -> unknown_call
val of_answer : 'a call -> 'a value -> xml
val to_answer : 'a call -> xml -> 'a value