[tz] [PATCH] * NEWS: Mention code and commentary improvements.

[Paul Eggert]

---
 NEWS | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/NEWS b/NEWS
index ac42968..361eaab 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,17 @@
 News for the tz database
 
+Unreleased, experimental changes
+
+  Changes to code
+
+    tzselect's diagnostics and checking, and checktab.awk's checking,
+    have been improved.  (Thanks to J William Piggott.)
+
+  Changes to commentary
+
+    Comments in zone tables have been improved.  (Thanks to J William Piggott.)
+
+
 Release 2016a - 2016-01-26 23:28:02 -0800
 
   Changes affecting future time stamps
-- 
2.5.0