bug#38727: 27.0.50; The frame refreshes when pressing 'C-h k'

[HaiJun Zhang]

在 2020年2月22日 +0800 AM4:30，Alan Third <alan@idiocy.org>，写道：

I’m not sure what else you could try as this isn’t a situation I’ve
been in. All I can say is that error strongly implies your build
environment is broken somehow.

Are you able to build Emacs 26? 

Yes.

I have found a similar issue here: https://github.com/microsoft/azure-pipelines-image-generation/issues/1181