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 5e1b8b06..587cb39c 100644
--- a/.prev-version
+++ b/.prev-version
@@ -1 +1 @@
-2.69
+2.70
diff --git a/NEWS b/NEWS
index ba418d1a..2a4db5f6 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,8 @@
 GNU Autoconf NEWS - User visible changes.
 
+* Noteworthy changes in release ?.? (????-??-??) [?]
+
+
 * Noteworthy changes in release 2.70 (2020-12-08) [stable]
 
 ** Backward incompatibilities:
diff --git a/cfg.mk b/cfg.mk
index 33ad6e06..a15974bf 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -84,7 +84,7 @@ update-release-year:
 .PHONY: update-release-year
 
 # Prevent incorrect NEWS edits.
-old_NEWS_hash = b6af714b06666cbc66cd26169a56bd9d
+old_NEWS_hash = 152f03614545887231fddaf67821b4d4
 
 exclude_file_name_regexp--sc_prohibit_undesirable_word_seq = \
   ^(maint\.mk|build-aux/texinfo\.tex)$$