I/O optimization of the nodelist() method by using the (new to v3.17c)

system.get_node() method of reading a node's data record (from node.dab).

exec/load/presence_lib.js

@@ -317,7 +317,7 @@ function nodelist(print, active, listself, is_sysop, options)
 
 	var n;
 	for(n = 0; n < system.node_list.length; n++) {
-		var node = system.node_list[n];
+		var node = system.get_node(n + 1);
 		if(active && node.status != NODE_INUSE)
 			continue;
 		if(js.global.bbs && n == (bbs.node_num - 1)) {