merged with trunk (that is, pulled the fixes from release_2_0)

only quickly tested, seems okay on the first glance

1 files changed, 1 insertions, 0 deletions

diff --git a/muse2/muse/undo.h b/muse2/muse/undo.h
index 42a80763..dffa1f55 100644
--- a/muse2/muse/undo.h
+++ b/muse2/muse/undo.h
@@ -54,6 +54,7 @@ struct UndoOp {
             SwapTrack,
             ModifyClip,
             ModifyMarker,
+            ModifySongLen, // a = new len, b = old len
             DoNothing
             };
       UndoType type;