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-rw-r--r--ide/undo.ml1
1 files changed, 1 insertions, 0 deletions
diff --git a/ide/undo.ml b/ide/undo.ml
index 917fc88160..57724297dc 100644
--- a/ide/undo.ml
+++ b/ide/undo.ml
@@ -6,6 +6,7 @@
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
+open Ideutils
open GText
type action =
| Insert of string * int * int (* content*pos*length *)