Restart lines now always start with '=' and never end with ' ' and fill the width of the window unless that would require ending with ' ', which could be wrapped by itself and possible confusing the user.
(cherry picked from commit 38da805d56)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
Part 2 of 3. Continues PR GH-7689, changeset ee5ef30.
Edit and add tests for 18 modules, help_about to replace and run.
(cherry picked from commit ea3dc8029a)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>