5.0-21364 vs. 5.0-20745 / ogl-lin-mesa / lesson08

5.0-21364 (b3939052) Diff 5.0-20745 (36cb8110)
b5942aaef61ec4b5ca146f0b97a20f77b635dd9d Waiting for diff... e215aa6bf8a370404cfb69ecae0e827091f9f8e4
58073d6845ba15f2080ddaa2d1112201b2f5d5eb Waiting for diff... 795e231b1f65352a011e22f643dc486a114e8e9c
ae85a32595e6e1ab9e34491837df96446e79ea44 Waiting for diff... ee64a14d158f7f9f3dc9a49ec47a7ab0286ec419