You might be getting bitten by Linux having two clipboards https://codeyarns.com/tech/2017-01-18-the-two-clipboards-in-linux.html https://codeyarns.com/tech/201

You might be getting bitten by Linux having two clipboards https://codeyarns.com/tech/2017-01-18-the-two-clipboards-in-linux.html https://codeyarns.com/tech/2017-01-18-the-two-clipboards-in-... . If you use a clipboard manager (e.g. gpaste or parcellite) they can be configured to synchronize the two. Windows uses Control-C for copying and that will for sure not be compatible with, say, terminal emulators (hence Shift-Control-C is very common). No idea about the waffle key.