wl_namespace int NOT NULL default 0,
wl_title varchar(255) binary NOT NULL default '',
- -- Timestamp when user was last sent a notification e-mail;
- -- cleared when the user visits the page.
+ -- Timestamp used to send notification e-mails and show "updated since last visit" markers on
+ -- history and recent changes / watchlist. Set to NULL when the user visits the latest revision
+ -- of the page, which means that they should be sent an e-mail on the next change.
wl_notificationtimestamp varbinary(14)
) /*$wgDBTableOptions*/;