pr-9956-862dd4 vs. 5.0-15236 / ogl-lin-mesa / lesson08

pr-9956-862dd4 (862dd416) Diff 5.0-15236 (0d8ad5f5)
54757a2996e3a289ca7664bf6c4ecc702ffd353b Waiting for diff... 7bb6ab6f15bcdff203bce99e737b1671f6d12a85
54103dfec7569bd3266926b8215c63e262ec7485 Waiting for diff... 7318646132d43188340cbde505fec1b9d2ceae75
d21f42e98426ec12446b8e7efc2e125841472c89 Waiting for diff... ac8bbd4cabed42b0e9c8aeaa4211817116b6b81d