Fix package.el handling of local variables on first line.

* lisp/emacs-lisp/package.el (package-buffer-info): Avoid putting
local variables into description.

lisp/ChangeLog

+2012-05-05  Chong Yidong  <cyd@gnu.org>
+
+	* emacs-lisp/package.el (package-buffer-info): Avoid putting local
+	variables into description.
+
 2012-05-05  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	* shell.el (shell-completion-vars): Set pcomplete-arg-quote-list like

lisp/emacs-lisp/package.el

@@ -943,7 +943,7 @@ If the buffer does not contain a conforming package, signal an
 error.  If there is a package, narrow the buffer to the file's
 boundaries."
   (goto-char (point-min))
-  (unless (re-search-forward "^;;; \\([^ ]*\\)\\.el --- \\(.*\\)$" nil t)
+  (unless (re-search-forward "^;;; \\([^ ]*\\)\\.el ---[ \t]*\\(.*?\\)[ \t]*\\(-\\*-.*-\\*-[ \t]*\\)?$" nil t)
     (error "Packages lacks a file header"))
   (let ((file-name (match-string-no-properties 1))
 	(desc      (match-string-no-properties 2))