variable `customize-package-emacs-version-alist'.
+2006-04-10 Bill Wohler <wohler@newt.com>
+
+ * NEWS: Add package-version keyword to `defcustom' and mention
+ associated variable `customize-package-emacs-version-alist'.
+
2006-04-07 Reiner Steib <Reiner.Steib@gmx.de>
* NEWS: Add string-or-null-p.
** defcustom changes:
++++
+*** The package-version keyword has been added to provide
+`customize-changed-options' functionality to packages in the future.
+Developers who make use of this keyword must also update the new
+variable `customize-package-emacs-version-alist'.
+
+++
*** The new customization type `float' requires a floating point number.