Andy Koppe [off-list ref] writes:
+In the rebase todo list, the actions of squash, fixup and amend commits are
+changed from `pick` to `squash`, `fixup` or `fixup -C`, respectively, and they
+are moved right after the commit they modify. The `--interactive` option can
+be used to review and edit the todo list before proceeding.
OK, this is good---exactly what I was looking for while reviewing
the "lose -i from the description" step earlier in the series.
Nicely done.