--- a/src/Pure/General/multi_map.scala Sat Apr 26 13:07:20 2014 +0200
+++ b/src/Pure/General/multi_map.scala Sat Apr 26 13:18:46 2014 +0200
@@ -1,5 +1,6 @@
/* Title: Pure/General/multi_map.scala
Module: PIDE
+ Author: Makarius
Maps with multiple entries per key.
*/