=== modified file 'lisp/emacs-lisp/package.el'
*** lisp/emacs-lisp/package.el	2013-12-11 21:15:12 +0000
--- lisp/emacs-lisp/package.el	2013-12-12 20:01:41 +0000
***************
*** 1128,1138 ****
  	   ;; probably wants us to use it.  Otherwise try Version.
  	   (pkg-version
  	    (or (package-strip-rcs-id (lm-header "package-version"))
! 		(package-strip-rcs-id (lm-header "version"))))
             (homepage (lm-homepage)))
-       (unless pkg-version
- 	(error
- 	 "Package lacks a \"Version\" or \"Package-Version\" header"))
        (package-desc-from-define
         file-name pkg-version desc
         (if requires-str (package-read-from-string requires-str))
--- 1128,1136 ----
  	   ;; probably wants us to use it.  Otherwise try Version.
  	   (pkg-version
  	    (or (package-strip-rcs-id (lm-header "package-version"))
! 		(package-strip-rcs-id (lm-header "version"))
!                 "0"))
             (homepage (lm-homepage)))
        (package-desc-from-define
         file-name pkg-version desc
         (if requires-str (package-read-from-string requires-str))