diff --git a/man/feh.pre b/man/feh.pre
index a3587141f4d82e98ee8797c6e414eade869eab6d..d2c2ceab3730fff90059db9c68696e827504a9cd 100644
--- a/man/feh.pre
+++ b/man/feh.pre
@@ -1943,7 +1943,7 @@ Make zoom options more intuitive
 .
 Copyright (C) 1999, 2000 by Paul Duncan.
 Copyright (C) 1999, 2000 by Tom Gilbert (and various contributors).
-Copyright (C) 2010-2016 by Daniel Friesel (and even more contributors).
+Copyright (C) 2010-2018 by Daniel Friesel (and even more contributors).
 .
 .Pp
 .
diff --git a/src/collage.c b/src/collage.c
index 431d3b6006f6cc06478ce6f06db01628615379a1..2a4d9f9c4fe1a01f6a2911faf2d7a70067302678 100644
--- a/src/collage.c
+++ b/src/collage.c
@@ -1,7 +1,7 @@
 /* collage.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/debug.h b/src/debug.h
index eb929e3e5e084ad516d7b145bd0413cec58f22ab..38cf83f4e0bc0686f620576817004ab814c1c592 100644
--- a/src/debug.h
+++ b/src/debug.h
@@ -1,7 +1,7 @@
 /* debug.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/events.c b/src/events.c
index 947e69fa84efef3bebae48f1f36deab9c0006862..4a24935e53719e2d363bc3821fec38398ee1ab50 100644
--- a/src/events.c
+++ b/src/events.c
@@ -1,7 +1,7 @@
 /* events.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/feh.h b/src/feh.h
index 3e0cddac1dd7be76332f28e85d3d73bb14222d51..009f45b17c1486fb576475192cd7c03eb21dc849 100644
--- a/src/feh.h
+++ b/src/feh.h
@@ -1,7 +1,7 @@
 /* feh.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/filelist.c b/src/filelist.c
index 08da33143ea9667765d8391f8dbbff1ce68b53f1..eb8e294a181155e0e3f97e585fecbd075f4c9e54 100644
--- a/src/filelist.c
+++ b/src/filelist.c
@@ -1,7 +1,7 @@
 /* filelist.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/imlib.c b/src/imlib.c
index 28dc1a681bca9baf32d59a2edac6ce9a9321a487..5be05393dc3dd887071141ee4f730198d43cf4aa 100644
--- a/src/imlib.c
+++ b/src/imlib.c
@@ -1,7 +1,7 @@
 /* imlib.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/index.c b/src/index.c
index c8c34c507d6ae8d9d42760df58ef1425d2904b74..ca1664bc6cfe32c3b427814faecb6513bfde666e 100644
--- a/src/index.c
+++ b/src/index.c
@@ -1,7 +1,7 @@
 /* index.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/index.h b/src/index.h
index 08ab3375218c88b1f24ce12394ed0a3081d712b1..b022f1a75ec80a85c005fc0505902d45ec723261 100644
--- a/src/index.h
+++ b/src/index.h
@@ -1,6 +1,6 @@
 /* index.h
 
-Copyright (C) 2011 Daniel Friesel.
+Copyright (C) 2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/keyevents.c b/src/keyevents.c
index 12a8eb952c94c003099e5a3f5edaef9c8ab8d49c..689aebd4684f7128b79fafbee7b80e191e0d563e 100644
--- a/src/keyevents.c
+++ b/src/keyevents.c
@@ -1,7 +1,7 @@
 /* keyevents.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/list.c b/src/list.c
index 09b23f44dc2ea72ce986272cbf4c9ddeb7cc2c52..2f6cf76c0c3c0bbfc62d45832468c137255f99b7 100644
--- a/src/list.c
+++ b/src/list.c
@@ -1,7 +1,7 @@
 /* list.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/main.c b/src/main.c
index 534b89ebfcddd7a5f6f35a40fdf5e61aceffbc07..f1fca24f985ab98601a7ba9b1f4f75473759f424 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,7 +1,7 @@
 /* main.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/menu.c b/src/menu.c
index ddb2db196a37ccbe18192f506d724f09ba588f06..2f8875d91a1a3ab5856f0e52eecc4dda45b186c9 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -1,7 +1,7 @@
 /* menu.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/menu.h b/src/menu.h
index 403728fa11d0b0916847fd22b3e10515162caa84..b53b32f1bef103f78c50f1d40b02b35491ee5798 100644
--- a/src/menu.h
+++ b/src/menu.h
@@ -1,7 +1,7 @@
 /* menu.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/options.c b/src/options.c
index bc9560404a72b14b3ddbb1f34a4f6eeddfc060ff..8ddf2faaa7ebb5de65262984e2a728a4b956b9f9 100644
--- a/src/options.c
+++ b/src/options.c
@@ -1,7 +1,7 @@
 /* options.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/options.h b/src/options.h
index ed8641a46a4ac30f54d94a1cfd1c6ab3c31f4afb..61de5dceca41bedf22cdd088c07a2c046941c457 100644
--- a/src/options.h
+++ b/src/options.h
@@ -1,7 +1,7 @@
 /* options.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/signals.c b/src/signals.c
index 8a3a8f72c53729e84f7fec90668c577a334cb0bd..c08d5df3e33d967d80924d288a86f71c4cb5d43c 100644
--- a/src/signals.c
+++ b/src/signals.c
@@ -1,6 +1,6 @@
 /* signals.c
 
-Copyright (C) 2010 by Daniel Friesel
+Copyright (C) 2010-2018 by Daniel Friesel
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/slideshow.c b/src/slideshow.c
index 7bad2c9f4dec931ff339d72dc99c00ae351f3f3e..0e560d87a69be23caf4ef6f254c3e08e9eb868b6 100644
--- a/src/slideshow.c
+++ b/src/slideshow.c
@@ -1,7 +1,7 @@
 /* slideshow.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/structs.h b/src/structs.h
index 3942bc0a4865cd7103f72fe4764d6f6f83b98c47..ce30eb9d648fca4a6e4013c5a5ec51b242161fa8 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -1,7 +1,7 @@
 /* structs.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/thumbnail.c b/src/thumbnail.c
index 3e99bfb478fe5b801adc6fc4e2c5bf18b560b847..cf38cfc10e9766472b64c7679a3d5f91d9f6a592 100644
--- a/src/thumbnail.c
+++ b/src/thumbnail.c
@@ -1,7 +1,7 @@
 /* thumbnail.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/thumbnail.h b/src/thumbnail.h
index f22ff7767e8c2a15dca694fb6c5b89e74f42c14d..09cd77143290ca4dcc4b510a692444950e1f1abe 100644
--- a/src/thumbnail.h
+++ b/src/thumbnail.h
@@ -1,7 +1,7 @@
 /* thumbnail.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/timers.c b/src/timers.c
index 1cac94b8663e5b68b3a28ef51a560ad448b4861f..95fc9f87ecdb1ebaa965e86b1cd272ee55de52e6 100644
--- a/src/timers.c
+++ b/src/timers.c
@@ -1,7 +1,7 @@
 /* timers.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/wallpaper.c b/src/wallpaper.c
index 6aa5c6d059bcb9b405097376cbb871d15ef143e9..7cf24683e39b6d8e0965b8de734f3faa0606fae8 100644
--- a/src/wallpaper.c
+++ b/src/wallpaper.c
@@ -1,7 +1,7 @@
 /* wallpaper.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/wallpaper.h b/src/wallpaper.h
index 0921129ef9ad9be02b35573e2cefc038ef1eedbc..02a6997fccbe2ffb9ed0f9e3e449370689c59c4a 100644
--- a/src/wallpaper.h
+++ b/src/wallpaper.h
@@ -1,7 +1,7 @@
 /* wallpaper.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/winwidget.c b/src/winwidget.c
index 7aae191c321d720d36d9403a1672a0ac7b53f266..cd5a745bda42832f6354463ed0a311adcb513116 100644
--- a/src/winwidget.c
+++ b/src/winwidget.c
@@ -1,7 +1,7 @@
 /* winwidget.c
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to
diff --git a/src/winwidget.h b/src/winwidget.h
index dd8489a66a2c87b5f966dce0ae2c3329624746eb..3d998b4d844efb8ec270a255f821b04c570315fc 100644
--- a/src/winwidget.h
+++ b/src/winwidget.h
@@ -1,7 +1,7 @@
 /* winwidget.h
 
 Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2018 Daniel Friesel.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to