Prepare for 4.18 release

* NEWS: Update for 4.18 release.

diff --git a/NEWS b/NEWS
index bc2152e5a6b667ab2c8f5e0ce64963cf6762dab7..85806f9530a3da4b8e41238ec47ce51edf2944ac 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-Noteworthy changes in release ?.?? (????-??-??)
+Noteworthy changes in release 4.18 (2017-07-05)
 ===============================================
 
 * Improvements