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-rw-r--r--src/gtkext/gtkbufferdisplay-int.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/gtkext/gtkbufferdisplay-int.h b/src/gtkext/gtkbufferdisplay-int.h
index b4b64d0..1d98332 100644
--- a/src/gtkext/gtkbufferdisplay-int.h
+++ b/src/gtkext/gtkbufferdisplay-int.h
@@ -65,6 +65,8 @@ struct _GtkBufferDisplayClass
void (* reach_limit) (GtkBufferDisplay *, GdkScrollDirection);
+ void (* prepare_collapsing) (GtkBufferDisplay *, gboolean);
+
};