[ESS-bugs] ess-mode 12.03; broken customize interface

[Sebastian P. Luque]

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To reproduce:

emacs -Q
(require 'ess-site)
(customize-group 'ESS)
[go to the right arrow for `ess-first-tab-never-complete' and hit RET
to customize]

the message "Symbol's function definition is void: nil" appears in echo
area, and the whole option specification details are eliminated from the
customization buffer.

[ess-site.el]: ess-customize-alist=nil 
[ess-site.el _2_]: ess-customize-alist=nil 
(S): ess-s-versions-create making M-x defuns for 
 
(R): ess-r-versions-create making M-x defuns for 
 R-2.14.0
 R-devel



Emacs  : GNU Emacs 23.4.1 (x86_64-pc-linux-gnu, GTK+ Version 2.24.10)
 of 2012-03-21 on trouble, modified by Debian
Package: ess-mode 12.03

current state:
==============
(setq
 ess-language "Initial"
 ess-dialect nil
 ess-ask-for-ess-directory t
 ess-ask-about-transfile nil
 ess-directory nil
 ess-keep-dump-files "always"
 ess-source-directory "~/Scripts/R"
 )


-- 
Seb