doc: more NEWS on fractional seconds.

* NEWS: fixed autom4te is not yet released.

diff --git a/NEWS b/NEWS
index 222100bed89567ca7596507df5e541d5ce22e4c5..d9c8640ff5197a751cd2d2b249d7adbd8f1efd7f 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -38,9 +38,10 @@ New in 1.17:
 
   - Generated file timestamp checks handle filesystems with sub-second
     timestamp granularity dynamically, greatly speeding up make check,
-    etc. However, this requires an autom4te from Autoconf 2.70 or later
-    (or random test failures ensue); for older autom4te, we fall back
-    to one-second granularity as before. (bug#64756)
+    etc. However, this requires an autom4te from Autoconf 2.72 (as yet
+    unreleased) or later (or random test failures and other timing
+    problems may ensue); for older autom4te, we fall back to one-second
+    granularity as before. (bug#64756)
 
   - Dependency files are now empty, instead of '# dummy', for speed.