User groups management
User rights log
- 14:38, 16 May 2016 Toshio Yamaguchi talk contribs was automatically updated from autopatrolled to autopatrolled and extended confirmed user
- 13:22, 29 June 2013 DragonflySixtyseven talk contribs changed group membership for Toshio Yamaguchi from (none) to autopatrolled (user is competent and high-output)