diff --git a/src/env_parallel b/src/env_parallel
index 7d63fd2d..b503cfd7 100755
--- a/src/env_parallel
+++ b/src/env_parallel
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-# Copyright (C) 2016,2017
+# Copyright (C) 2016,2017,2018
 # Ole Tange and Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
diff --git a/src/env_parallel.ash b/src/env_parallel.ash
index 8deb0d67..5bb24420 100755
--- a/src/env_parallel.ash
+++ b/src/env_parallel.ash
@@ -7,7 +7,7 @@
 # after which 'env_parallel' works
 #
 #
-# Copyright (C) 2017
+# Copyright (C) 2017,2018
 # Ole Tange and Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
diff --git a/src/env_parallel.bash b/src/env_parallel.bash
index 835bc1bd..98a4cc2a 100755
--- a/src/env_parallel.bash
+++ b/src/env_parallel.bash
@@ -7,7 +7,7 @@
 # after which 'env_parallel' works
 #
 #
-# Copyright (C) 2016,2017
+# Copyright (C) 2016,2017,2018
 # Ole Tange and Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
diff --git a/src/env_parallel.csh b/src/env_parallel.csh
index a83d174c..f2971926 100755
--- a/src/env_parallel.csh
+++ b/src/env_parallel.csh
@@ -7,7 +7,7 @@
 # after which 'env_parallel' works
 #
 #
-# Copyright (C) 2016,2017
+# Copyright (C) 2016,2017,2018
 # Ole Tange and Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
diff --git a/src/env_parallel.dash b/src/env_parallel.dash
index aa1a5df4..9a339cf6 100755
--- a/src/env_parallel.dash
+++ b/src/env_parallel.dash
@@ -7,7 +7,7 @@
 # after which 'env_parallel' works
 #
 #
-# Copyright (C) 2017
+# Copyright (C) 2017,2018
 # Ole Tange and Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
diff --git a/src/env_parallel.fish b/src/env_parallel.fish
index deffb1d7..e40346e9 100755
--- a/src/env_parallel.fish
+++ b/src/env_parallel.fish
@@ -7,7 +7,7 @@
 # after which 'env_parallel' works
 #
 #
-# Copyright (C) 2016,2017
+# Copyright (C) 2016,2017,2018
 # Ole Tange and Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
diff --git a/src/env_parallel.ksh b/src/env_parallel.ksh
index ea5c5fc7..63bdeb2d 100755
--- a/src/env_parallel.ksh
+++ b/src/env_parallel.ksh
@@ -7,7 +7,7 @@
 # after which 'env_parallel' works
 #
 #
-# Copyright (C) 2016,2017
+# Copyright (C) 2016,2017,2018
 # Ole Tange and Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
diff --git a/src/env_parallel.pdksh b/src/env_parallel.pdksh
index 9725888a..f1def045 100755
--- a/src/env_parallel.pdksh
+++ b/src/env_parallel.pdksh
@@ -7,7 +7,7 @@
 # after which 'env_parallel' works
 #
 #
-# Copyright (C) 2016,2017
+# Copyright (C) 2016,2017,2018
 # Ole Tange and Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
diff --git a/src/env_parallel.pod b/src/env_parallel.pod
index e728b43b..2db6961e 100644
--- a/src/env_parallel.pod
+++ b/src/env_parallel.pod
@@ -671,7 +671,7 @@ Copyright (C) 2007-10-18 Ole Tange, http://ole.tange.dk
 
 Copyright (C) 2008,2009,2010 Ole Tange, http://ole.tange.dk
 
-Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017 Ole Tange,
+Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017,2018 Ole Tange,
 http://ole.tange.dk and Free Software Foundation, Inc.
 
 
diff --git a/src/env_parallel.sh b/src/env_parallel.sh
index ea29a307..072cf144 100755
--- a/src/env_parallel.sh
+++ b/src/env_parallel.sh
@@ -7,7 +7,7 @@
 # after which 'env_parallel' works
 #
 #
-# Copyright (C) 2017
+# Copyright (C) 2017,2018
 # Ole Tange and Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
diff --git a/src/env_parallel.tcsh b/src/env_parallel.tcsh
index e5e6a988..e2c02574 100755
--- a/src/env_parallel.tcsh
+++ b/src/env_parallel.tcsh
@@ -7,7 +7,7 @@
 # after which 'env_parallel' works
 #
 #
-# Copyright (C) 2016,2017
+# Copyright (C) 2016,2017,2018
 # Ole Tange and Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
diff --git a/src/env_parallel.zsh b/src/env_parallel.zsh
index 4bf4eb35..eb955e9d 100755
--- a/src/env_parallel.zsh
+++ b/src/env_parallel.zsh
@@ -7,7 +7,7 @@
 # after which 'env_parallel' works
 #
 #
-# Copyright (C) 2016,2017
+# Copyright (C) 2016,2017,2018
 # Ole Tange and Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
diff --git a/src/niceload b/src/niceload
index 9fc116c7..06962bbd 100755
--- a/src/niceload
+++ b/src/niceload
@@ -3,8 +3,8 @@
 # Copyright (C) 2004,2005,2006,2006,2008,2009,2010 Ole Tange,
 # http://ole.tange.dk
 #
-# Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017 Ole Tange,
-# http://ole.tange.dk and Free Software Foundation, Inc.
+# Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017,2018 Ole
+# Tange, http://ole.tange.dk and Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/src/niceload.pod b/src/niceload.pod
index d71bf795..76dbd8e3 100644
--- a/src/niceload.pod
+++ b/src/niceload.pod
@@ -301,13 +301,13 @@ Copyright (C) 2004-11-19 Ole Tange, http://ole.tange.dk
 
 Copyright (C) 2005,2006,2006,2008,2009,2010 Ole Tange, http://ole.tange.dk
 
-Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017 Ole Tange, http://ole.tange.dk and Free
-Software Foundation, Inc.
+Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017,2018 Ole Tange,
+http://ole.tange.dk and Free Software Foundation, Inc.
 
 =head1 LICENSE
 
-Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017 Free Software
-Foundation, Inc.
+Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017,2018 Free
+Software Foundation, Inc.
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/src/parallel b/src/parallel
index 77f83b16..6eab4665 100755
--- a/src/parallel
+++ b/src/parallel
@@ -1,7 +1,7 @@
 #!/usr/bin/env perl
 
-# Copyright (C) 2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017
-# Ole Tange and Free Software Foundation, Inc.
+# Copyright (C) 2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,
+# 2017,2018 Ole Tange and Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -4154,7 +4154,7 @@ sub version {
     # Returns: N/A
     print join("\n",
                "GNU $Global::progname $Global::version",
-               "Copyright (C) 2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017",
+               "Copyright (C) 2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018",
 	       "Ole Tange and Free Software Foundation, Inc.",
                "License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>",
                "This is free software: you are free to change and redistribute it.",
@@ -8433,7 +8433,7 @@ sub interactive_start {
 	my $self = shift;
 	my $actual_command = shift;
 	# Temporary file name. Used for fifo to communicate exit val
-	my $tmpfifo=::tmpname("tmx");
+	my $tmpfifo = ::tmpname("tmx");
 	$self->add_rm($tmpfifo);
 
 	if(length($tmpfifo) >=100) {
@@ -10266,7 +10266,7 @@ sub tmux_length {
 	# The arguments is given 3 times on the command line
 	# and the wrapping is around 30 chars
 	# (29 for tmux1.9, 33 for tmux1.8)
-	my $tmux_len = (::max(@out));
+	my $tmux_len = ::max(@out);
 	$len = ::min($len,int($tmux_len/4-33));
 	::debug("tmux","tmux-length ",$len);
     }
diff --git a/src/parallel.pod b/src/parallel.pod
index 0ea11dc3..d7925fdf 100644
--- a/src/parallel.pod
+++ b/src/parallel.pod
@@ -4695,7 +4695,7 @@ Copyright (C) 2007-10-18 Ole Tange, http://ole.tange.dk
 
 Copyright (C) 2008,2009,2010 Ole Tange, http://ole.tange.dk
 
-Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017 Ole Tange,
+Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017,2018 Ole Tange,
 http://ole.tange.dk and Free Software Foundation, Inc.
 
 Parts of the manual concerning B<xargs> compatibility is inspired by
@@ -4704,8 +4704,9 @@ the manual of B<xargs> from GNU findutils 4.4.2.
 
 =head1 LICENSE
 
-Copyright (C) 2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017
-Free Software Foundation, Inc.
+Copyright (C)
+2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018 Free
+Software Foundation, Inc.
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
diff --git a/src/parallel_alternatives.pod b/src/parallel_alternatives.pod
index 29e931e0..ffbcf9e2 100644
--- a/src/parallel_alternatives.pod
+++ b/src/parallel_alternatives.pod
@@ -1279,7 +1279,6 @@ The failed commands can be resumed with:
 
 =back
 
-
 =head2 DIFFERENCES BETWEEN ClusterSSH AND GNU Parallel
 
 ClusterSSH solves a different problem than GNU B<parallel>.
@@ -1526,7 +1525,7 @@ Copyright (C) 2007-10-18 Ole Tange, http://ole.tange.dk
 
 Copyright (C) 2008,2009,2010 Ole Tange, http://ole.tange.dk
 
-Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017 Ole Tange,
+Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017,2018 Ole Tange,
 http://ole.tange.dk and Free Software Foundation, Inc.
 
 Parts of the manual concerning B<xargs> compatibility is inspired by
@@ -1535,7 +1534,7 @@ the manual of B<xargs> from GNU findutils 4.4.2.
 
 =head1 LICENSE
 
-Copyright (C) 2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017
+Copyright (C) 2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018
 Free Software Foundation, Inc.
 
 This program is free software; you can redistribute it and/or modify
diff --git a/src/parallel_tutorial.pod b/src/parallel_tutorial.pod
index d70572a3..25de1aff 100644
--- a/src/parallel_tutorial.pod
+++ b/src/parallel_tutorial.pod
@@ -2966,8 +2966,8 @@ When asking for help, always report the full output of this:
 
 Output:
 
-  GNU parallel 20160323
-  Copyright (C) 2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017
+  GNU parallel 20180122
+  Copyright (C) 2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018
   Ole Tange and Free Software Foundation, Inc.
   License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
   This is free software: you are free to change and redistribute it.
@@ -3128,7 +3128,7 @@ https://my.fsf.org/donate/
 
 =back
 
-(C) 2013,2014,2015,2016,2017 Ole Tange, GPLv3
+(C) 2013,2014,2015,2016,2017,2018 Ole Tange, GPLv3
 
 
 =cut
diff --git a/src/parcat.pod b/src/parcat.pod
index e457d753..02185b04 100644
--- a/src/parcat.pod
+++ b/src/parcat.pod
@@ -60,7 +60,7 @@ GNU B<parcat> is part of GNU B<parallel>. Report bugs to
 
 =head1 AUTHOR
 
-Copyright (C) 2016,2017 Ole Tange, http://ole.tange.dk and Free
+Copyright (C) 2016,2017,2018 Ole Tange, http://ole.tange.dk and Free
 Software Foundation, Inc.
 
 =head1 LICENSE
diff --git a/src/parset.pod b/src/parset.pod
index e89f202b..84ea5de9 100644
--- a/src/parset.pod
+++ b/src/parset.pod
@@ -180,7 +180,7 @@ Copyright (C) 2007-10-18 Ole Tange, http://ole.tange.dk
 
 Copyright (C) 2008,2009,2010 Ole Tange, http://ole.tange.dk
 
-Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017 Ole Tange,
+Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017,2018 Ole Tange,
 http://ole.tange.dk and Free Software Foundation, Inc.
 
 
diff --git a/src/sem.pod b/src/sem.pod
index a48ef632..6ce80e44 100644
--- a/src/sem.pod
+++ b/src/sem.pod
@@ -244,7 +244,7 @@ Report bugs to <bug-parallel@gnu.org>.
 
 =head1 AUTHOR
 
-Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017 Ole Tange,
+Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017,2018 Ole Tange,
 http://ole.tange.dk and Free Software Foundation, Inc.
 
 
diff --git a/src/sql b/src/sql
index 916637c4..14b25275 100755
--- a/src/sql
+++ b/src/sql
@@ -341,7 +341,7 @@ Databases Using DBURLs, ;login: The USENIX Magazine, April 2011:29-32.
 
 Copyright (C) 2008,2009,2010 Ole Tange http://ole.tange.dk
 
-Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017 Ole Tange,
+Copyright (C) 2010,2011,2012,2013,2014,2015,2016,2017,2018 Ole Tange,
 http://ole.tange.dk and Free Software Foundation, Inc.
 
 =head1 LICENSE