--- a/src/Pure/Concurrent/mailbox.scala Mon Oct 24 12:01:36 2016 +0200
+++ b/src/Pure/Concurrent/mailbox.scala Mon Oct 24 12:16:12 2016 +0200
@@ -1,5 +1,4 @@
/* Title: Pure/Concurrent/mailbox.scala
- Module: PIDE
Author: Makarius
Message exchange via mailbox, with multiple senders (non-blocking,