Ah, much better.  (Silly of me to forget about the vector; not sure what I was thinking.)

That's terrific, thanks.

 -- Chris

On Fri, Dec 2, 2011 at 09:18, Stefan Monnier <monnier@iro.umontreal.ca> wrote:

Thanks.  I've installed the patch below which should fix your problem,


       Stefan


=== modified file 'lisp/dired-aux.el'
--- lisp/dired-aux.el   2011-11-17 09:09:20 +0000
+++ lisp/dired-aux.el   2011-12-02 14:14:09 +0000
@@ -927,8 +927,7 @@
                (concat (apply 'format prompt args)
                        (if help-form
                            (format " [Type yn!q or %s] "
-                                    (key-description
-                                     (char-to-string help-char)))
+                                    (key-description (vector help-char)))
                          " [Type y, n, q or !] ")))
          (set sym (setq char (read-char-choice prompt char-choices)))
          (if (memq char '(?y ?\s ?!)) t)))))