bug#1470: customize-mode raises error that nil is not a function

["Drew Adams" <drew.adams@oracle.com>]

emacs -Q
 
Visit an Emacs-Lisp file.
 
M-x customize-mode
 
raises this error: "Symbol's function definition is void: nil"
 

In GNU Emacs 22.3.1 (i386-mingw-nt5.1.2600)
 of 2008-09-06 on SOFT-MJASON
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4)'
 
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: ENU
  locale-coding-system: cp1252
  default-enable-multibyte-characters: t
 
Major mode: Custom
 
Minor modes in effect:
  encoded-kbd-mode: t
  tooltip-mode: t
  tool-bar-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  line-number-mode: t
 
Recent input:
<help-echo> <return> M-x c u s t o m i z e - m o d 
e <wheel-up> <return> <help-echo> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
<menu-bar> <help-menu> <send-emacs-bug-report>
 
Recent messages:
byte-code: Beginning of buffer
Loading cus-edit...
Loading easymenu...done
Loading cus-edit...done
Creating customization items...
Loading cl-indent...done
Creating group...
Creating group members... 25%
widget-apply: Symbol's function definition is void: nil
Loading emacsbug...done