Add query-replace-show-replacement and match-substitute-replacement.

diff --git a/etc/NEWS b/etc/NEWS
index b54aa3a941756df5d72146aa028333f10cdcc33b..581547fe1165deda918578d86c04b52773777c51 100644 (file)
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -123,6 +123,11 @@ following arguments.
 \f
 * Editing Changes in Emacs 23.1
 
++++
+** C-M-% now shows replacement as it would look in the buffer, with
+`\N' and `\&' substituted according to the match.  Old behavior can be
+restored by customizing `query-replace-show-replacement'.
+
 +++
 ** M-q now fills the region if the region is active and
 `transient-mark-mode' is turned on.  Otherwise, it fills the current
@@ -364,6 +369,10 @@ because they clash with commands provided by dirtrack.el.  Use
 \f
 * Lisp Changes in Emacs 23.1
 
++++
+** New function `match-substitute-replacement' returns the result of
+`replace-match' without actually using it in the buffer.
+
 +++
 ** A list of default values can be specified for the DEFAULT argument of
 functions `read-from-minibuffer', `read-string', `read-command',