BUGS
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- Automatic refresh does not work on NVIDIA GK208BM (GeForce 920M) with 
nvidia-driver-* on GNU/Linux. As far as I can say, this is an NVIDIA
driver problem.

- On MSYS2, keyboard-related functions may cause the program to hang.
I've tried hard to find out, but I give up: I assume that it's a bug
in MSYS2 and/or associated libraries/software.

Please report bugs if you find any.
