** M-x revert-buffer no longer offers to revert from a recent auto-save
file unless you give it a prefix argument. Otherwise it always
reverts from the real file regardless of whether there has been an
-auto-save since thenm. (Reverting from the auto-save file is no longer
+auto-save since then. (Reverting from the auto-save file is no longer
very useful now that the undo capacity is larger.)
** M-x recover-file no longer turns off Auto Save mode when it reads