--- a/progs/app3.scala	Tue Sep 24 01:56:53 2013 +0100
+++ b/progs/app3.scala	Tue Sep 24 23:16:00 2013 +0100
@@ -5,6 +5,7 @@
   else if (my_urls.findFirstIn(url) == None) ()
   else {
     println(s"Visiting: $n $url")
-    for (u <- get_all_URLs(get_page(url))) crawl(u, n - 1)
+    for (u <- get_all_URLs(get_page(url))) 
+      crawl(u, n - 1)
   }
 }