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

[Robert Pluim]

>>>>> On Thu, 20 Apr 2023 17:25:49 +0300, Eli Zaretskii <eliz@gnu.org> said:

    Eli> "We" never did want that.  João did, for obvious reasons, but that was
    Eli> never my intent.  The issue is indeed more general: what should
    Eli> package-install and package.el in general do with built-in packages
    Eli> for which a newer version is on ELPA?  We don't yet know the answer to
    Eli> that, and no hope of obtaining one before Emacs 29.1 is released
    Eli> (barring any calamities).

"We" may not know that, but by the principle of not giving me things *I*
didnʼt ask for, *I* donʼt want ':core' packages being automatically
upgraded, unless I either

1. explicitly ask for such an upgrade
2. have myself somehow installed a newer version already, in which case
  itʼs no longer a ':core' package

Iʼve not checked, but does whatʼs currently in emacs-29 not give us at
least [1]?

Robert
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