From: Richard M. Stallman <rms@gnu.org>
Date: Sun, 3 Jul 2005 16:09:07 +0000 (+0000)
Subject: (custom-add-option): Doc fix.
X-Git-Tag: emacs-pretest-22.0.90~8505
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=a4842ffa6e0c4ad1a86e149f990be1e744045d0c;p=emacs.git

(custom-add-option): Doc fix.
---

diff --git a/lisp/custom.el b/lisp/custom.el
index a438ee7d5fe..cb4e76dd65a 100644
--- a/lisp/custom.el
+++ b/lisp/custom.el
@@ -486,8 +486,10 @@ both appear in constructs like `custom-set-variables'."
 (defun custom-add-option (symbol option)
   "To the variable SYMBOL add OPTION.
 
-If SYMBOL is a hook variable, OPTION should be a hook member.
-For other types variables, the effect is undefined."
+If SYMBOL's custom type is a hook, OPTION should be a hook member.
+If SYMBOL's custom type is an alist, OPTION specifies a symbol
+to offer to the user as a possible key in the alist.
+For other custom types, this has no effect."
   (let ((options (get symbol 'custom-options)))
     (unless (member option options)
       (put symbol 'custom-options (cons option options)))))