maint: summarize highlights of 1.4.18 release

* NEWS: Add some blurbs.
* .prev-version: Record previous version.
* cfg.mk (old_NEWS_hash): Update.

Signed-off-by: Eric Blake <eblake@redhat.com>
[this is a mish-mash of two patches from branch-1.4:]
(cherry picked from commit 658427104bbe515249f728d8524e975167e6533d)
(cherry picked from commit e0140bd91ce0d2dfcdd1df22472d81ed13489d46)

3 files changed, 11 insertions, 2 deletions

diff --git a/.prev-version b/.prev-version
index 323afbcd..f689e8c1 100644
--- a/.prev-version
+++ b/.prev-version
@@ -1 +1 @@
-1.4.14
+1.4.18
diff --git a/NEWS b/NEWS
index 55f3bc38..8c9b9865 100644
--- a/NEWS
+++ b/NEWS
@@ -323,6 +323,15 @@ promoted to 2.0.
 
 ** A number of portability improvements inherited from gnulib.
 
+* Noteworthy changes in release 1.4.18 (2016-12-31) [stable]
+
+** Diagnose --word-regexp as unsupported if it was not configured.
+
+** Preliminary support for OS/2.
+
+** A number of portability improvements inherited from gnulib.
+
+
 * Noteworthy changes in release 1.4.17 (2013-09-17) [stable]
 
 ** Fix compilation with newer glibc headers.
diff --git a/cfg.mk b/cfg.mk
index ec9f6db6..3b5c6f17 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -40,7 +40,7 @@ local-checks-to-skip = sc_cast_of_x_alloc_return_value \
 _makefile_at_at_check_exceptions = ' && !/PRAGMA_SYSTEM_HEADER/'
 
 # Hash of NEWS contents, to ensure we don't add entries to wrong section.
-old_NEWS_hash = bbccada98ce08092a9f24b508c399051
+old_NEWS_hash = 761ae30101b24be4aea2f564e9ceee75
 
 # Indent only with spaces.
 sc_prohibit_tab_based_indentation: