anchor.diff:  
   
   check_tags( Server, Tags, STags ) ->
  -	ResL = lists:flatlength( lists:subtract( STags, lists:subtract( STags, Tags ) ) ),
  -	L = lists:flatlength( Tags ),
  +	ResL = length( lists:subtract( STags, lists:subtract( STags, Tags ) ) ),
  +	L = length( Tags ),
   	if
   		ResL =/= L ->
   			false;
  
positive.code: 	#mc_server{ type = standalone, pid = Pid },
  	#state{ type = unknown , seeds = Seeds } = State )
  	->
  	SeedsLen = lists:flatlength( Seeds ),
  	if
  		SeedsLen =< 1  ->
  			State#state{ type = standalone };
  
negative.code: 	ToUpdate = #mc_server{
  		pid = Saved#mc_server.pid,
  		mref = Saved#mc_server.mref,
  		host = Saved#mc_server.host,
  		type = unknown
  	},
  
  