this script was replaced by newer version, which can be found here: User:קיפודנחש/wathlistWatcher (note the typo - "wathlist". should have been watchlist, of course).
it is retired / obsoleted.
KNOWN BUGS:
Get ScriptInstaller, then navigate to User:קיפודנחש/watchlistScout.js and click "Install" at the top.
{{
subst:iusc|User:קיפודנחש/watchlistScout.js}}
on the bottom of
Special:MyPage/common.js or
Special:MyPage/skin.js.