Changes since tag v6

commit 0a381df14683881291a12981a02913df959a3909
Author: David Lynch <kemayo@gmail.com>
Date:   Wed Nov 3 21:01:41 2021 -0500

    TOC for 9.1.5

commit 840233bc88526feb5f12e3c9d59e515b16521ab9
Author: David Lynch <kemayo@gmail.com>
Date:   Tue Jun 29 15:25:48 2021 -0500

    Update for 9.1

