Emacs, Dired, and Ubuntu 26.04

Just recently I upgraded one of my Dell laptops to the latest Ubuntu&#xA;26.04 LTS with a clean install. The installation process was smooth&#xA;and enjoyable. &#xA; Ubuntu 26.04 ships with Emacs 30.2, which made me happy, so I&#xA;installed it immediately—more precisely, the emacs-pgtk &#xA;Wayland-optimized package, since Wayland is the default windowing&#xA;system on Ubuntu 26.04. &#xA; The…