[Solved] What are those buttons for? And are they default or are they from a plugin?

[dhbn]

Today I noticed the followings buttons that where showed after selecting some text.

Can somebody please point me in the right direction how to find out, what those buttons mean?

[r-stein]

That’s from GitGutter: https://github.com/jisaacks/GitGutter/tree/1.7.4#diff-popup

[dhbn]

Thanks @r-stein. That’s good to know. I will have a look what those mean.