Message documentation filled with senseless content
Fragment of a discussion from Support/LiquidThreads
See MediaWiki:Wikiastats sort list size/qqq as example.
It looks stupid to me, too. This was introduced in mwr:64178 and I took out a little piece of it in a live hack to restore the old behaviour pending discussion on IRC:
+ $message = '<' . htmlspecialchars( $key ) . '>';
+ } else