Windows 7 64 bits Nvidia Geforce 780
2.78 Date 2016-12-07 22-04 Hash: 62a2ed9
Short description of error
When you append a grease pencil layer, it doesnt appear in the viewport.
Exact steps for others to reproduce the error
1/ Create a .blend with grease pencil drawing
2/ In a new blend, append this grease pencil
3/ Select the new grease pencil layer
4/ The new grease pencil doesnt appear in the viewport.