Hi, turns out that this is ultimately a bug in Pango. However, a work-around was just committed to lua-lgi upstream:
https://github.com/pavouk/lgi/commit/ec3dfe88ce013e78246b22adce88a2c97a934005 Uli -- "Why make things difficult, when it is possible to make them cryptic and totally illogical, with just a little bit more effort?" -- A. P. J. -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org