diff -r 9fcd3de53c06 -r 60a3ba90dd53 progs/app2.scala
--- a/progs/app2.scala	Tue Sep 24 01:56:53 2013 +0100
+++ b/progs/app2.scala	Tue Sep 24 23:16:00 2013 +0100
@@ -10,7 +10,8 @@
   if (n == 0) ()
   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)
   }
 }