1 files changed, 1 insertions, 0 deletions
diff --git a/lib/pp.mli b/lib/pp.mli
index 7917ba15..f292dedf 100644
--- a/lib/pp.mli
+++ b/lib/pp.mli
@@ -116,6 +116,7 @@ val msgnl : std_ppcmds -> unit
 val msgerr : std_ppcmds -> unit
 val msgerrnl : std_ppcmds -> unit
 val msg_warning : std_ppcmds -> unit
+val msg_warn : string -> unit
 
 (** Same specific display in emacs as warning, but without the "Warning:" **)
 val msg_debug : std_ppcmds -> unit