Improvements to describe-package buffer.

* lisp/help.el (help-map): Bind `C-h P' to describe-package.

* lisp/menu-bar.el (menu-bar-describe-menu): Add describe-package.

* lisp/emacs-lisp/package.el (package-refresh-contents): Catch errors
when downloading archives.
(describe-package-1): Add package commentary.
(package-install-button-action): New function.
(package-menu-mode-map): Bind ? to package-menu-describe-package.
(package-menu-view-commentary): Function removed.
(package-list-packages-internal): Hide the `package' package too.

1 files changed, 6 insertions, 2 deletions

diff --git a/etc/NEWS b/etc/NEWS
index ca03f89bc39..16525c378e7 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -176,8 +176,12 @@ for `list-colors-display'.
 
 ** An Emacs Lisp package manager is now included.
 This is a convenient way to download and install additional packages,
-from elpa.gnu.org.  `M-x package-list-packages' shows a list of
-packages, which can be selected for installation.
+from elpa.gnu.org.
+
+*** `M-x list-packages' shows a list of packages, which can be
+selected for installation.
+
+*** New command `describe-package', bound to `C-h P'.
 
 *** By default, all installed packages are loaded and activated
 automatically when Emacs starts up.  To disable this, set