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