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
+Do this by running the 'admin/update-copyright' script on a fresh repo
checkout. Inspect the results for plausibility, then commit them.
There's no need to worry about whether an individual file has changed