bug#63563: 29.0.91; package.el should not install unselected packages

[Howard Melman]

Eli Zaretskii <eliz@gnu.org> writes:

> It turns out this behavior is new in Emacs 29, see bug#40457 and NEWS.
> Since the new behavior is incompatible with the old one, I have now
> added a new user option, package-menu-use-current-if-no-marks, to get
> back the old behavior, and mentioned it in NEWS.  You can now
> customize that option to a nil value to get what you want.

Should the default value of
package-menu-use-current-if-no-marks be nil?

That would follow the convention of old behavior being
unchanged unless the user does something to enable the new
behavior.

-- 

Howard