text: -- Add a sort-key to page_restrictions table.
  -- First immediate use of this is as a sort-key for coming modifications
  -- of Special:Protectedpages.
  -- Andrew Garrett, February 2007
  
  ALTER TABLE /*$wgDBprefix*/page_restrictions
  	ADD COLUMN pr_id int unsigned not null auto_increment,
  	ADD UNIQUE KEY pr_id (pr_id);
  