[PATCH] NEWS: document fixes for emacs23

[David Bremner]

---

In addition to the maintence burden, there are features like lexical
scope and the package.el helpers that don't backport easily.

 NEWS | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/NEWS b/NEWS
index 846572b..e693da7 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,12 @@
+Notmuch 0.23.2 (UNRELEASED)
+
+Emacs
+-----
+
+Restore compatibility with Emacs 23.
+
+  Notmuch support for Emacs 23 is now deprecated.
+
 Notmuch 0.23.1 (2016-10-23)
 ===========================
 
-- 
2.10.2