5.0-12606 vs. 5.0-12426 / ogl-lin-mesa / lesson08

5.0-12606 (4f1f849c) Diff 5.0-12426 (32061c95)
Failure 7bb6ab6f15bcdff203bce99e737b1671f6d12a85
Failure 7318646132d43188340cbde505fec1b9d2ceae75
Failure 7318646132d43188340cbde505fec1b9d2ceae75
Failure ac8bbd4cabed42b0e9c8aeaa4211817116b6b81d