'group' => 'Limit users to a given group name',
'prop' => array(
'What pieces of information to include.',
+ ' blockinfo - Adds the information about a current block on the user',
+ ' groups - Lists groups that the user is in',
+ ' editcount - Adds the edit count of the user',
+ ' registration - Adds the timestamp of when the user registered',
'`groups` property uses more server resources and may return fewer results than the limit' ),
'limit' => 'How many total user names to return',
'witheditsonly' => 'Only list users who have made edits',