* cus-edit.el (custom-prompt-variable): Use the `custom-get' property

  of the variable if it exists.

2 files changed, 10 insertions, 1 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 283e07b7a19..e46ce544b3a 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2011-03-06  Jay Belanger  <jay.p.belanger@gmail.com>
+
+        * cus-edit.el (custom-prompt-variable): Use the `custom-get' property
+        of the variable if it exists.
+
 2011-03-06  Juanma Barranquero  <lekktu@gmail.com>
 
         * bookmark.el:
diff --git a/lisp/cus-edit.el b/lisp/cus-edit.el
index 8d12511fcdf..88821652784 100644
--- a/lisp/cus-edit.el
+++ b/lisp/cus-edit.el
@@ -920,6 +920,8 @@ it were the arg to `interactive' (which see) to interactively read the value.
 
 If the variable has a `custom-type' property, it must be a widget and the
 `:prompt-value' property of that widget will be used for reading the value.
+If the variable also has a `custom-get' property, that is used for finding 
+the current value of the variable, otherwise `symbol-value' is used.
 
 If optional COMMENT argument is non-nil, also prompt for a comment and return
 it as the third element in the list."
@@ -941,7 +943,9 @@ it as the third element in the list."
                    (widget-prompt-value type
                                         prompt
                                         (if (boundp var)
-                                            (symbol-value var))
+                                            (funcall 
+                                             (or (get var 'custom-get) 'symbol-value) 
+                                             var))
                                         (not (boundp var))))
                   (t
                    (eval-minibuffer prompt))))))