From: Luke Shumaker
Hi all,
The os-release(5) and systemd-nspawn(1) man pages in systemd include
examples for various different operating systems. In Parabola, since
we don't want to recommend distros including non-free software, we
patch these to use FSDG distros instead (Fedora->BLAG,
Debian-
As many of you were probably aware, BLAG hasn't been kept up to date
recently. After discussing the problem with the maintainers, they asked
us to remove them from the the list of endorsed distros. So we've
created a historical section and moved them to it. We announced those
changes today here