UzK98fYoE

I'm seeing the same thing with neovim: ``` :version NVIM v0.3.8 Build type: Release LuaJIT 2.1.0-beta3 Compilation: /usr/bin/cc -g -O2 -fdebug-prefix-map=/build/neovim-lpKDO8/neovim-0.3.8=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=1 -DDISABLE_LOG -Wdate-time -D_FORT IFY_SOURCE=1...

I get the same error on Fedora 27 server, running headless, VirtualBox, with terminal emulator of MobaXTerm for its X-11 forwarding (so I didn't use `Xvfb :1 -screen 0 1024x768x24...