**System Information**
Linux 64
**Blender Version**
Broken: 2.71 8d6f546
Worked: 2.70a
Cannot erase grease pencil by holding D + RMB
1. Open blender, change to VSE layout
2. insert movie sequence
3. Press D + LMB and draw grease pencil in sequencer preview
4. Try erase by holding D + RMB, nothing happened