the same ..., automatically modify the todo list of rebase -i
so that the commit marked for squashing comes right after the
commit to be modified, and change the action of the moved
- commit from `pick` to `squash` (or `fixup`).
+ commit from `pick` to `squash` (or `fixup`). Ignores subsequent
+ "fixup! " or "squash! " after the first, in case you referred to an
+ earlier fixup/squash with `git commit --fixup/--squash`.
+
This option is only valid when the '--interactive' option is used.
+