Improve sorting in package list (Bug#37419)

* lisp/emacs-lisp/package.el (package-menu-mode): Allow sorting by
version or description.
(package-menu--version-predicate): Fix sorting by version.
(package-menu--description-predicate): Fix sorting by description.
(package-menu--archive-predicate): Fall back to sorting by name if
archive is the same.
(package-menu--name-predicate, package-menu--status-predicate): Add
doc string.
* etc/NEWS: Announce the above changes.

1 files changed, 3 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 97b96d1e4e8..34b7a5aa29d 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -983,6 +983,9 @@ early init file.
 ---
 *** Imenu support has been added to 'package-menu-mode'.
 
+---
+*** The package list can now be sorted by version or description.
+
 ** Info
 
 +++