bug#48023: download.html has better instructions for non-free systems

[Richard Stallman]

[[[ To any NSA and FBI agents reading my email: please consider    ]]]
[[[ whether defending the US Constitution against all enemies,     ]]]
[[[ foreign or domestic, requires you to follow Snowden's example. ]]]

  > >    Here are some of the commands that various GNU/Linux distros
  > >    use to install a package named 'emacs'.
  > > 
  > >                    <pre>guix package -i emacs</pre>
  > > 

  > > All in all, it may be better to say "see the package installation
  > > instructions for your distro" rather than duplicating that information
  > > from various distros here.

I think the two fit together.  We can list those commands, that work
for lots of distros, and say "otherwise, see distro instructions" as
a fallback.

-- 
Dr Richard Stallman (https://stallman.org)
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)