Last modified: 2010-05-15 15:33:38 UTC
Absent 'tooltip-watch' message in Language.php
Edit any page, see checkbox "Watch this page" (near "This is a minor edit").
Hover mouse on it. It is "#REDIRECT [[Template:tooltip-watch]]"
Oups ! Fixed in 1_4 (for beta6) and HEAD.
Thanks for the report.