I have seen that adding a Signed-off-by: trailer is recommended in many places like, for example, Linus Torvald's guidelines for good git commit messages in https://github.com/subsurface/subsurface#contributing
What is the actual purpose of adding this in the commit message itself? Is it just to provide an instant visual indication that the commit is GPG signed by that specific author, instead of relying on git verify-commit [commitId]?
