> Incompatiblity between me and git. Commit was supposed to go on
> branch but went to master.
You wanted an empty commit at branch "1.3.7"?
> Docs that I have give no info about removing commit, but say how one
> can change it, so I changed it to empty one...
Because, by default removing commits is considered bad. But of course,
locally, one can do anything with his own repo.
git reset --hard HEAD^
next time, bur first read, what that actually does.