Some love is needed here. Ok, that's what I found so far. TIA, Michael. In GNU Emacs 28.0.50 (build 49, x86_64-pc-linux-gnu, GTK+ Version 3.24.23, cairo version 1.16.0) of 2020-09-25 built on drachen Repository revision: d10ef50c9b7c8eeb04194edc8d729dcc5a41b8f6 Repository branch: master Windowing system distributor 'The X.Org Foundation', version 11.0.12008000 System Description: Debian GNU/Linux bullseye/sid