Re: How best to handle multiple-authorship commits in GIT?

Valerie Aurora [off-list ref] writes:

And Rusty's practice as of a year or two ago is for "minor mods" to a
patch, to leave the authorship the same, and add a Signed-off-by:

Signed-off-by: Some Upstream Author
Signed-off-by: Maintainer or Merger (rewrote error handling)

And for a complete (meaningful) rewrite such as David has done, he
changes the commit authorship and adds a Signed-off-by for the
original author.

That's existing guidelines and practice.

All sounds very sensible.  Thanks for a summary.