#49 Ruler (measuring tool) stopped working

[Mikhail Avdeev]

Hi! I'm new to FontForge, so maybe I'm doing something wrong, but I didn't found out how to fix it. The ruler (measuring tool) stopped working properly. It disappears when you try to use selection tool or move the view point. Is there any way to fix it?

Example on YouTube:
https://youtu.be/j58bUe3i1TQ

P.S.: Sorry for my broken English