I mis-click "mark this commit" in gitk.
I'm glad it happened, as I'd never looked at or thought about the features it is associated with. But now that I've seen them, I'd like them to go back to being greyed out.
So I want to "unmark" the commit?
How do I do that?
The option "mark this commit" (introduced 5 years ago) is only to allow the options:
(As seen in this answer)
You cannot remove a mark without, as commented by gpullen, leaving the session.
The patch does mention: