Provide custom-prompt-customize-unsaved-options.

* doc/emacs/custom.texi (Saving Customizations): Mention
`custom-prompt-customize-unsaved-options'.

* etc/NEWS: Mention `custom-prompt-customize-unsaved-options'.

* etc/TODO: Remove its entry.

* lisp/cus-edit.el (custom-prompt-customize-unsaved-options): Add a
mechanism for prompting user about unsaved customizations.
(Bug#19328)

3 files changed, 9 insertions, 6 deletions

diff --git a/etc/ChangeLog b/etc/ChangeLog
index 0a22f9f20bd..f344e2437b0 100644
--- a/etc/ChangeLog
+++ b/etc/ChangeLog
@@ -1,3 +1,9 @@
+2014-12-14  Cameron Desautels  <camdez@gmail.com>
+
+        * NEWS: Mention `custom-prompt-customize-unsaved-options'.
+
+        * TODO: Remove its entry.
+
 2014-12-13  Paul Eggert  <eggert@cs.ucla.edu>
 
         Convert Czech and Slovakian refcards to UTF-8
diff --git a/etc/NEWS b/etc/NEWS
index 01c8431ea00..37cb4b42e52 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -54,6 +54,9 @@ so if you want to use it, you can always take a copy from an older Emacs.
 
 * Changes in Emacs 25.1
 
+** New function `custom-prompt-customize-unsaved-options' checks for
+unsaved customizations and prompts user to customize (if found).
+
 +++
 ** Network security (TLS/SSL certificate validity and the like) is
 added via the new Network Security Manager (NSM) and controlled via
diff --git a/etc/TODO b/etc/TODO
index ccd00e51218..cbb23944ded 100644
--- a/etc/TODO
+++ b/etc/TODO
@@ -419,12 +419,6 @@ rather than interactively.  This a trivial one-liner in easy-mode.el.
 
 ** Make byte-optimization warnings issue accurate line numbers.
 
-** A function to check for customizable options that have been
-  set but not saved, and ask the user whether to save them.
-  This could go in kill-emacs-query-functions, to remind people
-  to save their changes. If the user says yes, show them
-  in a Custom buffer using customize-customized.
-
 ** Record the sxhash of the default value for customized variables
   and notify the user (maybe by adding a menu item or toolbar button,
   as the detection can occur during autoload time) when the default