(read-file-local-variable): Include some

non-user-variables in the completion table (bug#4664).

lisp/ChangeLog

+2009-10-07  Stefan Monnier  <monnier@iro.umontreal.ca>
+
+	* files-x.el (read-file-local-variable): Include some
+	non-user-variables in the completion table (bug#4664).
+
 2009-10-07  Michael Albinus  <michael.albinus@gmx.de>
 
 	* net/tramp-cache.el (tramp-flush-connection-property): Add trace

lisp/files-x.el

@@ -49,6 +49,7 @@ Intended to be used in the `interactive' spec of
 	   obarray
 	   (lambda (sym)
 	     (or (user-variable-p sym)
+                 (get sym 'safe-local-variable)
 		 (memq sym '(mode eval coding unibyte))))
 	   nil nil nil default nil))
     (and (stringp variable) (intern variable))))