Visual commenting messes up unnamed register

[kristijanhusak]

Hi,

Today I noticed that something strange was happening with my clipboard. I was commenting a lot of lines in and out to test something, and my unnamed clipboard constantly changed. Then I figured out that kommentary is somehow overriding my unnamed registry.

Steps to reproduce:

• Open some file, select anything, yank it into unnamed register with "+y
• Select some other lines, do gc to comment them out
• Try pasting unnamed register with "+p, see the result

Expected: See the thing I initially put into the register
Actual: I get the lines that I commented out.

Here's the gif reproducing the issue (you can see what I'm typing in bottom right corner):

I wasn't able to find anywhere in the code where anything is done with the unnamed register, but I didn't look into too much details.

Here's some more information:

• OS: Linux
• Neovim version: 0.6.0-dev (Latest master)