* lisp/emacs-lisp/unsafep.el (unsafep): Handle backquoted forms.

lisp/ChangeLog

+2011-01-11  Johan Bockgård  <bojohan@gnu.org>
+
+	* emacs-lisp/unsafep.el (unsafep): Handle backquoted forms.
+
 2011-01-11  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	* progmodes/prolog.el: Fix up coding convention and such.

lisp/emacs-lisp/unsafep.el

@@ -202,6 +202,9 @@ UNSAFEP-VARS is a list of symbols with local bindings."
 	      (dolist (x (nthcdr 3 form))
 		(setq reason (unsafep-progn (cdr x)))
 		(if reason (throw 'unsafep reason))))))
+       ((eq fun '\`)
+	;; Backquoted form - safe if its expansion is.
+	(unsafep (cdr (backquote-process (cadr form)))))
        (t
 	;;First unsafep-function call above wasn't nil, no special case applies
 	reason)))))