5 files changed, 21 insertions, 1 deletions
diff --git a/.prev-version b/.prev-version
index 081c0d85..a01a6e46 100644
--- a/.prev-version
+++ b/.prev-version
@@ -1 +1 @@
-2.65
+2.66
diff --git a/ChangeLog b/ChangeLog
index 35a44314..ac17d8cd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2010-07-02  Eric Blake  <eblake@redhat.com>
 
+	Post-release administrivia.
+	* maint.mk (NEWS_hash): Define.
+	* NEWS: Add header line for next release.
+	* .prev-version: Record previous version.
+	* cfg.mk (old_NEWS_hash): Auto-update.
+
 	Release Version 2.66.
 	* NEWS: Mention the release.
 
diff --git a/NEWS b/NEWS
index e013624f..72826975 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,8 @@
 GNU Autoconf NEWS - User visible changes.
 
+* Noteworthy changes in release ?.? (????-??-??) [?]
+
+
 * Major changes in Autoconf 2.66 (2010-07-02) [stable]
   Released by Eric Blake, based on git versions 2.65.*.
 
diff --git a/cfg.mk b/cfg.mk
index 6ba0e14e..e3c5800f 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -108,3 +108,6 @@ local-checks-to-skip ?= \
 update-copyright-env = \
   UPDATE_COPYRIGHT_USE_INTERVALS=0 \
   UPDATE_COPYRIGHT_MAX_LINE_LENGTH=72
+
+# Prevent incorrect NEWS edits.
+old_NEWS_hash = d41d8cd98f00b204e9800998ecf8427e
diff --git a/maint.mk b/maint.mk
index 43d07591..efc5062c 100644
--- a/maint.mk
+++ b/maint.mk
@@ -383,6 +383,14 @@ strftime-check:
 check-AUTHORS:
 	test ! -d src || $(MAKE) -C src $@
 
+NEWS_hash =								\
+  $$(sed -n '/^\*.* $(PREV_VERSION_REGEXP) ([0-9-]*)/,$$p'		\
+       $(srcdir)/NEWS							\
+     | perl -0777 -pe							\
+	's/^Copyright.+?Free\sSoftware\sFoundation,\sInc\.\n//ms'	\
+     | md5sum -								\
+     | sed 's/ .*//')
+
 # Ensure that we don't accidentally insert an entry into an old NEWS block.
 sc_immutable_NEWS:
 	@if test -f $(srcdir)/NEWS; then				\