https://bugzilla.mozilla.org/show_bug.cgi?id=1499593
1499593 - C-C: Change progressmeter to be html:progress
RESOLVED (richard.marti) in Thunderbird - General. Last updated 2021-06-17.
to bechtmlprogress
https://lists.debian.org/deity/1999/09/msg00030.html
Bug#43130: marked as done (apt: weird progressmeter)
bugmarkeddoneaptweird