maint: post-release administrivia

* NEWS: Add header line for next release.
* .prev-version: Record previous version.
* cfg.mk (old_NEWS_hash): Auto-update.

3 files changed, 5 insertions, 2 deletions

diff --git a/.prev-version b/.prev-version
index cc1923a..bd28b9c 100644
--- a/.prev-version
+++ b/.prev-version
@@ -1 +1 @@
-3.8
+3.9
diff --git a/NEWS b/NEWS
index b410596..ad9c6cc 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,8 @@
 GNU diffutils NEWS                                    -*- outline -*-
 
+* Noteworthy changes in release ?.? (????-??-??) [?]
+
+
 * Noteworthy changes in release 3.9 (2023-01-15) [stable]
 
 ** Bug fixes
diff --git a/cfg.mk b/cfg.mk
index 142a9ce..3c10efb 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -36,7 +36,7 @@ announcement_Cc_ = $(translation_project_), $(PACKAGE)-devel@gnu.org
 # Now that we have better tests, make this the default.
 export VERBOSE = yes
 
-old_NEWS_hash = 94e919f647d397a84992078ccedba212
+old_NEWS_hash = cf070086af56e7394cc5a0c862d0cd11
 
 # Tell maint.mk's syntax-check rules that diff gets config.h directly or
 # via diff.h or system.h.