diff --git a/include/zmq.h b/include/zmq.h
index 59501c7c..96ae164c 100644
--- a/include/zmq.h
+++ b/include/zmq.h
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/include/zmq_utils.h b/include/zmq_utils.h
index c137d329..10b5b18c 100644
--- a/include/zmq_utils.h
+++ b/include/zmq_utils.h
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/address.cpp b/src/address.cpp
index a93d8818..a7b77612 100644
--- a/src/address.cpp
+++ b/src/address.cpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2012 Spotify AB
-    Copyright (c) 2012 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/address.hpp b/src/address.hpp
index a8a4765d..f84c6cca 100644
--- a/src/address.hpp
+++ b/src/address.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2012 Spotify AB
-    Copyright (c) 2012 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/array.hpp b/src/array.hpp
index 7e4ddd4a..0b5b4e39 100644
--- a/src/array.hpp
+++ b/src/array.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/atomic_counter.hpp b/src/atomic_counter.hpp
index 65468bb5..c87642a4 100644
--- a/src/atomic_counter.hpp
+++ b/src/atomic_counter.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/atomic_ptr.hpp b/src/atomic_ptr.hpp
index 4f1f5b4e..59d78882 100644
--- a/src/atomic_ptr.hpp
+++ b/src/atomic_ptr.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/blob.hpp b/src/blob.hpp
index 34b63cc9..8f4d2d82 100644
--- a/src/blob.hpp
+++ b/src/blob.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2010 250bpm s.r.o.
-    Copyright (c) 2010-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/clock.cpp b/src/clock.cpp
index 53d42984..a3fc0d16 100644
--- a/src/clock.cpp
+++ b/src/clock.cpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2010-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/clock.hpp b/src/clock.hpp
index b3b19b25..e0d0fb14 100644
--- a/src/clock.hpp
+++ b/src/clock.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2010-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/command.hpp b/src/command.hpp
index 83783695..ef488504 100644
--- a/src/command.hpp
+++ b/src/command.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/config.hpp b/src/config.hpp
index 1940572d..6e5ef5ab 100644
--- a/src/config.hpp
+++ b/src/config.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/ctx.cpp b/src/ctx.cpp
index 0d3b2d0d..16a9d8ae 100644
--- a/src/ctx.cpp
+++ b/src/ctx.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/ctx.hpp b/src/ctx.hpp
index 5eb9b51f..56b31267 100644
--- a/src/ctx.hpp
+++ b/src/ctx.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/dealer.cpp b/src/dealer.cpp
index 384b4ff4..963f4d2a 100644
--- a/src/dealer.cpp
+++ b/src/dealer.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/dealer.hpp b/src/dealer.hpp
index d3170d13..aa308117 100644
--- a/src/dealer.hpp
+++ b/src/dealer.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/decoder.cpp b/src/decoder.cpp
index c718ae12..fef9ac18 100644
--- a/src/decoder.cpp
+++ b/src/decoder.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/decoder.hpp b/src/decoder.hpp
index 7235045a..f0c2ec72 100644
--- a/src/decoder.hpp
+++ b/src/decoder.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/devpoll.cpp b/src/devpoll.cpp
index 97c1ec04..dfa3cddf 100644
--- a/src/devpoll.cpp
+++ b/src/devpoll.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/devpoll.hpp b/src/devpoll.hpp
index 382be0f5..f47691ce 100644
--- a/src/devpoll.hpp
+++ b/src/devpoll.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/dist.cpp b/src/dist.cpp
index c16fb493..2ba8f018 100644
--- a/src/dist.cpp
+++ b/src/dist.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/dist.hpp b/src/dist.hpp
index 8b62c5fe..505045c0 100644
--- a/src/dist.hpp
+++ b/src/dist.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/encoder.cpp b/src/encoder.cpp
index abecb396..fb222bba 100644
--- a/src/encoder.cpp
+++ b/src/encoder.cpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/encoder.hpp b/src/encoder.hpp
index e30f7d9c..9318c114 100644
--- a/src/encoder.hpp
+++ b/src/encoder.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/epoll.cpp b/src/epoll.cpp
index 3855ddfd..bcedd758 100644
--- a/src/epoll.cpp
+++ b/src/epoll.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/epoll.hpp b/src/epoll.hpp
index 3fd42620..d8caf9fe 100644
--- a/src/epoll.hpp
+++ b/src/epoll.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/err.cpp b/src/err.cpp
index 23662884..8d829be6 100644
--- a/src/err.cpp
+++ b/src/err.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/err.hpp b/src/err.hpp
index 81c95410..7076f112 100644
--- a/src/err.hpp
+++ b/src/err.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/fd.hpp b/src/fd.hpp
index 01199bf3..55a2e9b2 100644
--- a/src/fd.hpp
+++ b/src/fd.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/fq.cpp b/src/fq.cpp
index 1d846dfc..04dbcc9c 100644
--- a/src/fq.cpp
+++ b/src/fq.cpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/fq.hpp b/src/fq.hpp
index cda66315..252159c6 100644
--- a/src/fq.hpp
+++ b/src/fq.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/i_decoder.hpp b/src/i_decoder.hpp
index bb53b725..cf579b90 100644
--- a/src/i_decoder.hpp
+++ b/src/i_decoder.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2007-2012 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/i_encoder.hpp b/src/i_encoder.hpp
index ae491e25..fac16bb9 100644
--- a/src/i_encoder.hpp
+++ b/src/i_encoder.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2007-2012 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/i_engine.hpp b/src/i_engine.hpp
index 8ae351a4..8613e810 100644
--- a/src/i_engine.hpp
+++ b/src/i_engine.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/i_msg_sink.hpp b/src/i_msg_sink.hpp
index 4a86023c..4f980011 100644
--- a/src/i_msg_sink.hpp
+++ b/src/i_msg_sink.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2007-2012 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/i_msg_source.hpp b/src/i_msg_source.hpp
index c6d7b74c..03eb54f3 100644
--- a/src/i_msg_source.hpp
+++ b/src/i_msg_source.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2007-2012 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/i_poll_events.hpp b/src/i_poll_events.hpp
index 9cf47fd7..bcf496e4 100644
--- a/src/i_poll_events.hpp
+++ b/src/i_poll_events.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/io_object.cpp b/src/io_object.cpp
index 79463be2..258b52cd 100644
--- a/src/io_object.cpp
+++ b/src/io_object.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/io_object.hpp b/src/io_object.hpp
index 689b221a..16e0b5f0 100644
--- a/src/io_object.hpp
+++ b/src/io_object.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/io_thread.cpp b/src/io_thread.cpp
index c3a3d957..5633a022 100644
--- a/src/io_thread.cpp
+++ b/src/io_thread.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/io_thread.hpp b/src/io_thread.hpp
index 00bd9a65..32f51df8 100644
--- a/src/io_thread.hpp
+++ b/src/io_thread.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/ip.cpp b/src/ip.cpp
index 0133efa4..d288a743 100644
--- a/src/ip.cpp
+++ b/src/ip.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/ip.hpp b/src/ip.hpp
index 3e35a336..f99b5da4 100644
--- a/src/ip.hpp
+++ b/src/ip.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/ipc_address.cpp b/src/ipc_address.cpp
index 169f2366..39f0042a 100644
--- a/src/ipc_address.cpp
+++ b/src/ipc_address.cpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/ipc_address.hpp b/src/ipc_address.hpp
index 081fc542..1f527460 100644
--- a/src/ipc_address.hpp
+++ b/src/ipc_address.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/ipc_connecter.cpp b/src/ipc_connecter.cpp
index 0fd2e404..716fef0f 100644
--- a/src/ipc_connecter.cpp
+++ b/src/ipc_connecter.cpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/ipc_connecter.hpp b/src/ipc_connecter.hpp
index 39d2c822..ff2f31da 100644
--- a/src/ipc_connecter.hpp
+++ b/src/ipc_connecter.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/ipc_listener.cpp b/src/ipc_listener.cpp
index 28b01a6e..b3ad88bc 100644
--- a/src/ipc_listener.cpp
+++ b/src/ipc_listener.cpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/ipc_listener.hpp b/src/ipc_listener.hpp
index 8930787e..c0228290 100644
--- a/src/ipc_listener.hpp
+++ b/src/ipc_listener.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/kqueue.cpp b/src/kqueue.cpp
index 5fbd01c3..08287c03 100644
--- a/src/kqueue.cpp
+++ b/src/kqueue.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/kqueue.hpp b/src/kqueue.hpp
index b1352df4..03b27b5d 100644
--- a/src/kqueue.hpp
+++ b/src/kqueue.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/lb.cpp b/src/lb.cpp
index 77d0235b..3e6f82fe 100644
--- a/src/lb.cpp
+++ b/src/lb.cpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/lb.hpp b/src/lb.hpp
index bb327518..20b00828 100644
--- a/src/lb.hpp
+++ b/src/lb.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/likely.hpp b/src/likely.hpp
index e6044645..fb189f05 100644
--- a/src/likely.hpp
+++ b/src/likely.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2009-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/mailbox.cpp b/src/mailbox.cpp
index ff16afea..d2eff56f 100644
--- a/src/mailbox.cpp
+++ b/src/mailbox.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/mailbox.hpp b/src/mailbox.hpp
index c059c2af..d392238a 100644
--- a/src/mailbox.hpp
+++ b/src/mailbox.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/msg.cpp b/src/msg.cpp
index 9b3e9462..819927e0 100644
--- a/src/msg.cpp
+++ b/src/msg.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
@@ -31,7 +29,7 @@
 #include "err.hpp"
 
 //  Check whether the sizes of public representation of the message (zmq_msg_t)
-//  and private represenation of the message (zmq::msg_t) match.
+//  and private representation of the message (zmq::msg_t) match.
 typedef char zmq_msg_size_check
     [2 * ((sizeof (zmq::msg_t) == sizeof (zmq_msg_t)) != 0) - 1];
 
diff --git a/src/msg.hpp b/src/msg.hpp
index 3356e36d..e3bab85c 100644
--- a/src/msg.hpp
+++ b/src/msg.hpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/mtrie.cpp b/src/mtrie.cpp
index 2c52b2a8..f84eefd0 100644
--- a/src/mtrie.cpp
+++ b/src/mtrie.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011-2012 Spotify AB
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/mtrie.hpp b/src/mtrie.hpp
index 74b6f680..d6d52bad 100644
--- a/src/mtrie.hpp
+++ b/src/mtrie.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011-2012 Spotify AB
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/mutex.hpp b/src/mutex.hpp
index 0b532eb1..354df78b 100644
--- a/src/mutex.hpp
+++ b/src/mutex.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/object.cpp b/src/object.cpp
index 814ec08c..8ea9933f 100644
--- a/src/object.cpp
+++ b/src/object.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/object.hpp b/src/object.hpp
index 932cea7d..b20d2b87 100644
--- a/src/object.hpp
+++ b/src/object.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/options.cpp b/src/options.cpp
index 486ed9fe..940ba08f 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/options.hpp b/src/options.hpp
index ee77b579..0fddaa49 100644
--- a/src/options.hpp
+++ b/src/options.hpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/own.cpp b/src/own.cpp
index d7c78b31..bbde1c57 100644
--- a/src/own.cpp
+++ b/src/own.cpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2010-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/own.hpp b/src/own.hpp
index 9b884d41..f14c578b 100644
--- a/src/own.hpp
+++ b/src/own.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2010-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/pair.cpp b/src/pair.cpp
index 40c7b808..c74d4f84 100644
--- a/src/pair.cpp
+++ b/src/pair.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/pair.hpp b/src/pair.hpp
index 020eeed2..99136af4 100644
--- a/src/pair.hpp
+++ b/src/pair.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/pgm_receiver.cpp b/src/pgm_receiver.cpp
index 030c293c..87536027 100644
--- a/src/pgm_receiver.cpp
+++ b/src/pgm_receiver.cpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2010-2011 Miru Limited
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/pgm_receiver.hpp b/src/pgm_receiver.hpp
index eb50128b..b1305773 100644
--- a/src/pgm_receiver.hpp
+++ b/src/pgm_receiver.hpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2010-2011 Miru Limited
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/pgm_sender.cpp b/src/pgm_sender.cpp
index e439d782..87ec4800 100644
--- a/src/pgm_sender.cpp
+++ b/src/pgm_sender.cpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2010-2011 Miru Limited
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/pgm_sender.hpp b/src/pgm_sender.hpp
index afe030d4..7b80a112 100644
--- a/src/pgm_sender.hpp
+++ b/src/pgm_sender.hpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2010-2011 Miru Limited
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/pgm_socket.cpp b/src/pgm_socket.cpp
index 77b86827..de81c36d 100644
--- a/src/pgm_socket.cpp
+++ b/src/pgm_socket.cpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2010-2011 Miru Limited
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/pgm_socket.hpp b/src/pgm_socket.hpp
index 80fcb4af..94309328 100644
--- a/src/pgm_socket.hpp
+++ b/src/pgm_socket.hpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2010-2011 Miru Limited
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/pipe.cpp b/src/pipe.cpp
index e57c0579..7af9cc45 100644
--- a/src/pipe.cpp
+++ b/src/pipe.cpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/pipe.hpp b/src/pipe.hpp
index c950ebc2..1611718a 100644
--- a/src/pipe.hpp
+++ b/src/pipe.hpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/poll.cpp b/src/poll.cpp
index e41f8fb4..f8fe198f 100644
--- a/src/poll.cpp
+++ b/src/poll.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/poll.hpp b/src/poll.hpp
index 9a7fbc37..3bf23ba6 100644
--- a/src/poll.hpp
+++ b/src/poll.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/poller.hpp b/src/poller.hpp
index a989328b..2cad0e82 100644
--- a/src/poller.hpp
+++ b/src/poller.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/poller_base.cpp b/src/poller_base.cpp
index 0243b029..5b9f36af 100644
--- a/src/poller_base.cpp
+++ b/src/poller_base.cpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2010-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/poller_base.hpp b/src/poller_base.hpp
index c184358e..c122ab82 100644
--- a/src/poller_base.hpp
+++ b/src/poller_base.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2010-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/precompiled.cpp b/src/precompiled.cpp
index 3b2e52d8..b8183f99 100644
--- a/src/precompiled.cpp
+++ b/src/precompiled.cpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/precompiled.hpp b/src/precompiled.hpp
index aeea3cd6..598e59ed 100644
--- a/src/precompiled.hpp
+++ b/src/precompiled.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/proxy.cpp b/src/proxy.cpp
index beeac2e2..1a172c10 100644
--- a/src/proxy.cpp
+++ b/src/proxy.cpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2007-2012 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/proxy.hpp b/src/proxy.hpp
index acd46e18..eaf164fd 100644
--- a/src/proxy.hpp
+++ b/src/proxy.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2007-2012 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/pub.cpp b/src/pub.cpp
index 44835006..c698f7ab 100644
--- a/src/pub.cpp
+++ b/src/pub.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/pub.hpp b/src/pub.hpp
index ce753a43..8cff057c 100644
--- a/src/pub.hpp
+++ b/src/pub.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/pull.cpp b/src/pull.cpp
index fa1b3953..72401322 100644
--- a/src/pull.cpp
+++ b/src/pull.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2010 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/pull.hpp b/src/pull.hpp
index 750c56d0..40eefd98 100644
--- a/src/pull.hpp
+++ b/src/pull.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2010 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/push.cpp b/src/push.cpp
index edc5228e..14688db8 100644
--- a/src/push.cpp
+++ b/src/push.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2010 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/push.hpp b/src/push.hpp
index bae4a7ca..cf4730a8 100644
--- a/src/push.hpp
+++ b/src/push.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2010 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/random.cpp b/src/random.cpp
index 326a3d95..06ed1de0 100644
--- a/src/random.cpp
+++ b/src/random.cpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/random.hpp b/src/random.hpp
index ca3d39a2..78ed55b1 100644
--- a/src/random.hpp
+++ b/src/random.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/raw_decoder.cpp b/src/raw_decoder.cpp
index 98ac0f2c..702fda0c 100644
--- a/src/raw_decoder.cpp
+++ b/src/raw_decoder.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2012 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/raw_decoder.hpp b/src/raw_decoder.hpp
index 98dbd226..7db68e18 100644
--- a/src/raw_decoder.hpp
+++ b/src/raw_decoder.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2007-2012 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/raw_encoder.cpp b/src/raw_encoder.cpp
index 7c26b3ee..c6df6257 100644
--- a/src/raw_encoder.cpp
+++ b/src/raw_encoder.cpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2012 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/raw_encoder.hpp b/src/raw_encoder.hpp
index dd111863..65c5348d 100644
--- a/src/raw_encoder.hpp
+++ b/src/raw_encoder.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2012 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/reaper.cpp b/src/reaper.cpp
index ee2b65e3..99e07e21 100644
--- a/src/reaper.cpp
+++ b/src/reaper.cpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/reaper.hpp b/src/reaper.hpp
index 66a3db98..dd3d5e6c 100644
--- a/src/reaper.hpp
+++ b/src/reaper.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2011 250bpm s.r.o.
-    Copyright (c) 2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/rep.cpp b/src/rep.cpp
index ad53047b..a1f7d406 100644
--- a/src/rep.cpp
+++ b/src/rep.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/rep.hpp b/src/rep.hpp
index e3de180a..7da55f1b 100644
--- a/src/rep.hpp
+++ b/src/rep.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2011 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/req.cpp b/src/req.cpp
index bf1c1e43..242bf568 100644
--- a/src/req.cpp
+++ b/src/req.cpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/req.hpp b/src/req.hpp
index 2620e521..375df293 100644
--- a/src/req.hpp
+++ b/src/req.hpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/router.cpp b/src/router.cpp
index b21bce5e..4829972c 100644
--- a/src/router.cpp
+++ b/src/router.cpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/router.hpp b/src/router.hpp
index b3842dd2..37ae5e25 100644
--- a/src/router.hpp
+++ b/src/router.hpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2011 iMatix Corporation
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/select.cpp b/src/select.cpp
index d1792f01..ba60e8e8 100644
--- a/src/select.cpp
+++ b/src/select.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/select.hpp b/src/select.hpp
index 9f19a0f7..cb38489f 100644
--- a/src/select.hpp
+++ b/src/select.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/session_base.cpp b/src/session_base.cpp
index 0468aa6c..91b56df7 100644
--- a/src/session_base.cpp
+++ b/src/session_base.cpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/session_base.hpp b/src/session_base.hpp
index 7f8977fb..cf0bf916 100644
--- a/src/session_base.hpp
+++ b/src/session_base.hpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/signaler.cpp b/src/signaler.cpp
index 13acb5d2..b2ae1df0 100644
--- a/src/signaler.cpp
+++ b/src/signaler.cpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2010-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/signaler.hpp b/src/signaler.hpp
index 4466c985..12e710ad 100644
--- a/src/signaler.hpp
+++ b/src/signaler.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2010-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/socket_base.cpp b/src/socket_base.cpp
index 8092b088..ba7f6659 100644
--- a/src/socket_base.cpp
+++ b/src/socket_base.cpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/socket_base.hpp b/src/socket_base.hpp
index 4e0f9f92..63e43ea2 100644
--- a/src/socket_base.hpp
+++ b/src/socket_base.hpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/stdint.hpp b/src/stdint.hpp
index fba473d8..60c29c60 100644
--- a/src/stdint.hpp
+++ b/src/stdint.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/stream_engine.cpp b/src/stream_engine.cpp
index 566181b5..a47a6448 100644
--- a/src/stream_engine.cpp
+++ b/src/stream_engine.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/stream_engine.hpp b/src/stream_engine.hpp
index 4d2da628..80cceaab 100644
--- a/src/stream_engine.hpp
+++ b/src/stream_engine.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/sub.cpp b/src/sub.cpp
index 7a72bb1f..6e588f07 100644
--- a/src/sub.cpp
+++ b/src/sub.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/sub.hpp b/src/sub.hpp
index fdda7017..33d3cef5 100644
--- a/src/sub.hpp
+++ b/src/sub.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/tcp.cpp b/src/tcp.cpp
index 3f2f9840..767beead 100644
--- a/src/tcp.cpp
+++ b/src/tcp.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/tcp.hpp b/src/tcp.hpp
index 55989410..40dfc7b9 100644
--- a/src/tcp.hpp
+++ b/src/tcp.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/tcp_address.cpp b/src/tcp_address.cpp
index 473284e0..1c758125 100644
--- a/src/tcp_address.cpp
+++ b/src/tcp_address.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/tcp_address.hpp b/src/tcp_address.hpp
index d1f170ec..4aa95b2f 100644
--- a/src/tcp_address.hpp
+++ b/src/tcp_address.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/tcp_connecter.cpp b/src/tcp_connecter.cpp
index 6f62878e..ab695180 100644
--- a/src/tcp_connecter.cpp
+++ b/src/tcp_connecter.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/tcp_connecter.hpp b/src/tcp_connecter.hpp
index eedfdadc..5de3a482 100644
--- a/src/tcp_connecter.hpp
+++ b/src/tcp_connecter.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/tcp_listener.cpp b/src/tcp_listener.cpp
index cf40b85d..7de38cb1 100644
--- a/src/tcp_listener.cpp
+++ b/src/tcp_listener.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2010 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/tcp_listener.hpp b/src/tcp_listener.hpp
index cb1f8b83..80633053 100644
--- a/src/tcp_listener.hpp
+++ b/src/tcp_listener.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2010 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/thread.cpp b/src/thread.cpp
index 8fe9016f..e9eecebb 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2007-2011 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/thread.hpp b/src/thread.hpp
index 52769b1b..0acb7d95 100644
--- a/src/thread.hpp
+++ b/src/thread.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2007-2011 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/trie.cpp b/src/trie.cpp
index f7b4ed89..96b06574 100644
--- a/src/trie.cpp
+++ b/src/trie.cpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2011-2012 Spotify AB
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/trie.hpp b/src/trie.hpp
index cde4b45e..43ae1de0 100644
--- a/src/trie.hpp
+++ b/src/trie.hpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2011-2012 Spotify AB
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/v1_decoder.cpp b/src/v1_decoder.cpp
index f22f96e3..7d447ecb 100644
--- a/src/v1_decoder.cpp
+++ b/src/v1_decoder.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/v1_decoder.hpp b/src/v1_decoder.hpp
index d42e2f16..a47721a7 100644
--- a/src/v1_decoder.hpp
+++ b/src/v1_decoder.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/v1_encoder.cpp b/src/v1_encoder.cpp
index c0eb5201..fd123a64 100644
--- a/src/v1_encoder.cpp
+++ b/src/v1_encoder.cpp
@@ -1,8 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/v1_encoder.hpp b/src/v1_encoder.hpp
index bd09f6fa..7200bee8 100644
--- a/src/v1_encoder.hpp
+++ b/src/v1_encoder.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/v1_protocol.hpp b/src/v1_protocol.hpp
index 6c5b5aeb..f279189a 100644
--- a/src/v1_protocol.hpp
+++ b/src/v1_protocol.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2007-2012 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/windows.hpp b/src/windows.hpp
index d89a9a84..1e49bfef 100644
--- a/src/windows.hpp
+++ b/src/windows.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/wire.hpp b/src/wire.hpp
index b0f4e0ee..e06c00b1 100644
--- a/src/wire.hpp
+++ b/src/wire.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/xpub.cpp b/src/xpub.cpp
index 206a12b1..455148b1 100644
--- a/src/xpub.cpp
+++ b/src/xpub.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2010-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/xpub.hpp b/src/xpub.hpp
index b6a8f8be..0a799a77 100644
--- a/src/xpub.hpp
+++ b/src/xpub.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2010-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/xsub.cpp b/src/xsub.cpp
index 5c823eb4..fec518eb 100644
--- a/src/xsub.cpp
+++ b/src/xsub.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2011 VMware, Inc.
-    Copyright (c) 2010-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/xsub.hpp b/src/xsub.hpp
index a1682df3..440340e4 100644
--- a/src/xsub.hpp
+++ b/src/xsub.hpp
@@ -1,6 +1,5 @@
 /*
-    Copyright (c) 2010-2011 250bpm s.r.o.
-    Copyright (c) 2010-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/ypipe.hpp b/src/ypipe.hpp
index 74a96bc8..182df4e7 100644
--- a/src/ypipe.hpp
+++ b/src/ypipe.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/yqueue.hpp b/src/yqueue.hpp
index 1c83cb87..76cce54b 100644
--- a/src/yqueue.hpp
+++ b/src/yqueue.hpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/zmq.cpp b/src/zmq.cpp
index b331abcb..7157b038 100644
--- a/src/zmq.cpp
+++ b/src/zmq.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2007-2012 iMatix Corporation
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.
 
diff --git a/src/zmq_utils.cpp b/src/zmq_utils.cpp
index 8f341349..53638756 100644
--- a/src/zmq_utils.cpp
+++ b/src/zmq_utils.cpp
@@ -1,7 +1,5 @@
 /*
-    Copyright (c) 2009-2011 250bpm s.r.o.
-    Copyright (c) 2007-2009 iMatix Corporation
-    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
 
     This file is part of 0MQ.