Maintaining copyright years is now very simple: every time a new year
rolls around, add that year to every FSF (and AIST) copyright notice.
Do this by running the 'admin/update-copyright' script on a fresh bzr
-checkout. Inspect the results for plausiblity, then commit them.
+checkout. Inspect the results for plausibility, then commit them.
There's no need to worry about whether an individual file has changed
in a given year - it's sufficient that Emacs as a whole has changed.