bug#62720: 29.0.60; Not easy at all to upgrade :core packages like Eglot

[Eli Zaretskii]

> From: Philip Kaludercic <philipk@posteo.net>
> Cc: joaotavora@gmail.com,  monnier@iro.umontreal.ca,  62720@debbugs.gnu.org,
>   larsi@gnus.org
> Date: Thu, 13 Apr 2023 15:14:51 +0000
> 
> > I have found an alternative that doesn't change the way
> > `package-compute-transaction' works, but requires a small change in
> > `package-install':
> 
> I have found a smaller but equivalent change that would also solve the
> issue:

Are we still sure we want to change package-install, not
package-upgrade?  AFAIU, there were several voices that preferred the
latter, with the rationale that a built-in package is always
"installed", so "installing" it makes little or no sense.