The acroread 9.1.0 upgrade/installation only went through after this:
sudo apt-get remove acroread
sudo apt-get install acroread
Removing just acroread-debian-files failed with these messages:
$ sudo apt-get remove acroread-debian-files
Reading package lists... Done
Building dependency tree
This document (https://help.ubuntu.com/community/NetworkManager0.7 - in
section titled 'Creating/Modifying a User connection') has an
interesting claim:
Hint Auto created connections are not editable. Modifying them without
changing names will not be saved
Yet to confirm with a reboot, but cust