maint: update copyright year ranges to include 2011

Run "make update-copyright", so "make syntax-check" works in 2011.

53 files changed, 54 insertions, 52 deletions

diff --git a/ChangeLog-2007 b/ChangeLog-2007
index 7cf851b..016a2aa 100644
--- a/ChangeLog-2007
+++ b/ChangeLog-2007
@@ -1776,7 +1776,7 @@ Sat Oct 31 12:46:00 1992  Jean-loup Gailly  (jloup@chorus.fr)
 
 	-----
 
-	Copyright (C) 1997-2002, 2006-2010 Free Software Foundation, Inc.
+	Copyright (C) 1997-2002, 2006-2011 Free Software Foundation, Inc.
 	Copyright (C) 1992, 1993 Jean-loup Gailly
 
 	Copying and distribution of this file, with or without
diff --git a/Makefile.am b/Makefile.am
index 4edbd0d..1b6f91b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 # Make gzip (GNU zip).
 
-# Copyright (C) 1999, 2001-2002, 2006-2007, 2009-2010 Free Software Foundation,
+# Copyright (C) 1999, 2001-2002, 2006-2007, 2009-2011 Free Software Foundation,
 # Inc.
 
 # This program is free software; you can redistribute it and/or modify
diff --git a/NEWS b/NEWS
index 18baee4..1f2c791 100644
--- a/NEWS
+++ b/NEWS
@@ -402,7 +402,7 @@ Major changes form 0.5 to 0.6:
 
 ========================================================================
 
-Copyright (C) 1999, 2001-2002, 2006-2007, 2009-2010 Free Software Foundation,
+Copyright (C) 1999, 2001-2002, 2006-2007, 2009-2011 Free Software Foundation,
 Inc.
 Copyright (C) 1992, 1993 Jean-loup Gailly
 
diff --git a/README b/README
index a71659d..8b45e25 100644
--- a/README
+++ b/README
@@ -129,8 +129,8 @@ note that the range specifies every single year in that closed interval.
 
 ========================================================================
 
-Copyright (C) 1999, 2001, 2002, 2006, 2007, 2009, 2010 Free Software
-Foundation, Inc.
+Copyright (C) 1999, 2001-2002, 2006-2007, 2009-2011 Free Software Foundation,
+Inc.
 Copyright (C) 1992, 1993 Jean-loup Gailly
 
 Permission is granted to copy, distribute and/or modify this document
diff --git a/README-hacking b/README-hacking
index 56214e2..074b3ab 100644
--- a/README-hacking
+++ b/README-hacking
@@ -45,7 +45,7 @@ Enjoy!
 
 -----
 
-Copyright (C) 2002-2006, 2009-2010 Free Software Foundation, Inc.
+Copyright (C) 2002-2006, 2009-2011 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/TODO b/TODO
index b147106..8b89628 100644
--- a/TODO
+++ b/TODO
@@ -72,7 +72,7 @@ Send comments to <bug-gzip@gnu.org>.
 
 ========================================================================
 
-Copyright (C) 1999, 2001, 2006, 2009-2010 Free Software Foundation, Inc.
+Copyright (C) 1999, 2001, 2006, 2009-2011 Free Software Foundation, Inc.
 Copyright (C) 1992, 1993 Jean-loup Gailly
 
 Permission is granted to copy, distribute and/or modify this document
diff --git a/bits.c b/bits.c
index 57fb0d4..646b338 100644
--- a/bits.c
+++ b/bits.c
@@ -1,6 +1,6 @@
 /* bits.c -- output variable-length bit strings
 
-   Copyright (C) 1999, 2009-2010 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2009-2011 Free Software Foundation, Inc.
    Copyright (C) 1992-1993 Jean-loup Gailly
 
    This program is free software; you can redistribute it and/or modify
diff --git a/bootstrap b/bootstrap
index 8c8d777..aab03a8 100755
--- a/bootstrap
+++ b/bootstrap
@@ -4,7 +4,7 @@ scriptversion=2010-10-08.16; # UTC
 
 # Bootstrap this package from checked-out sources.
 
-# Copyright (C) 2003-2010 Free Software Foundation, Inc.
+# Copyright (C) 2003-2011 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/bootstrap.conf b/bootstrap.conf
index 5022be3..2353208 100644
--- a/bootstrap.conf
+++ b/bootstrap.conf
@@ -1,6 +1,6 @@
 # Bootstrap configuration.
 
-# Copyright (C) 2006, 2007, 2009, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2006-2007, 2009-2011 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/cfg.mk b/cfg.mk
index c5f05cb..cbe5297 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -1,5 +1,5 @@
 # Customize maint.mk                           -*- makefile -*-
-# Copyright (C) 2003-2010 Free Software Foundation, Inc.
+# Copyright (C) 2003-2011 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/configure.ac b/configure.ac
index 871b1ca..6bae72c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 # Configure template for gzip.
 
-# Copyright (C) 1999-2002, 2006-2007, 2009-2010 Free Software Foundation, Inc.
+# Copyright (C) 1999-2002, 2006-2007, 2009-2011 Free Software Foundation, Inc.
 
 # Copyright (C) 1992-1993 Jean-loup Gailly
 
diff --git a/deflate.c b/deflate.c
index 1bd78c0..61cbee3 100644
--- a/deflate.c
+++ b/deflate.c
@@ -1,6 +1,6 @@
 /* deflate.c -- compress data using the deflation algorithm
 
-   Copyright (C) 1999, 2006, 2009-2010 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2006, 2009-2011 Free Software Foundation, Inc.
    Copyright (C) 1992-1993 Jean-loup Gailly
 
    This program is free software; you can redistribute it and/or modify
diff --git a/doc/Makefile.am b/doc/Makefile.am
index aa8bec0..1b031c5 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,6 +1,6 @@
 # Make gzip documentation.				-*-Makefile-*-
 
-# Copyright (C) 2006, 2009-2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2009-2011 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/doc/gzip.texi b/doc/gzip.texi
index a7e72b8..f2db469 100644
--- a/doc/gzip.texi
+++ b/doc/gzip.texi
@@ -11,7 +11,7 @@ This manual is for GNU Gzip
 (version @value{VERSION}, @value{UPDATED}),
 and documents commands for compressing and decompressing data.
 
-Copyright @copyright{} 1998-1999, 2001-2002, 2006-2007, 2009-2010 Free Software
+Copyright @copyright{} 1998-1999, 2001-2002, 2006-2007, 2009-2011 Free Software
 Foundation, Inc.
 
 Copyright @copyright{} 1992, 1993 Jean-loup Gailly
diff --git a/gunzip.in b/gunzip.in
index 3cabdad..971e5ae 100644
--- a/gunzip.in
+++ b/gunzip.in
@@ -24,7 +24,7 @@ esac
 PATH=$bindir:$PATH
 
 version="gunzip (gzip) @VERSION@
-Copyright (C) 2007 Free Software Foundation, Inc.
+Copyright (C) 2007, 2011 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/gzexe.in b/gzexe.in
index b4373f5..cd6d845 100644
--- a/gzexe.in
+++ b/gzexe.in
@@ -36,7 +36,7 @@ nl='
 IFS=" $tab$nl"
 
 version='gzexe (gzip) @VERSION@
-Copyright (C) 2007 Free Software Foundation, Inc.
+Copyright (C) 2007, 2011 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/gzip.c b/gzip.c
index 1a9e300..98441c5 100644
--- a/gzip.c
+++ b/gzip.c
@@ -1,6 +1,6 @@
 /* gzip (GNU zip) -- compress files with zip algorithm and 'compress' interface
 
-   Copyright (C) 1999, 2001-2002, 2006-2007, 2009-2010 Free Software
+   Copyright (C) 1999, 2001-2002, 2006-2007, 2009-2011 Free Software
    Foundation, Inc.
    Copyright (C) 1992-1993 Jean-loup Gailly
 
diff --git a/gzip.h b/gzip.h
index cacbc5b..d06413d 100644
--- a/gzip.h
+++ b/gzip.h
@@ -1,6 +1,6 @@
 /* gzip.h -- common declarations for all gzip modules
 
-   Copyright (C) 1997-1999, 2001, 2006-2007, 2009-2010 Free Software
+   Copyright (C) 1997-1999, 2001, 2006-2007, 2009-2011 Free Software
    Foundation, Inc.
 
    Copyright (C) 1992-1993 Jean-loup Gailly.
diff --git a/inflate.c b/inflate.c
index 012bcb9..d469242 100644
--- a/inflate.c
+++ b/inflate.c
@@ -1,6 +1,6 @@
 /* Inflate deflated data
 
-   Copyright (C) 1997-1999, 2002, 2006, 2009-2010 Free Software Foundation,
+   Copyright (C) 1997-1999, 2002, 2006, 2009-2011 Free Software Foundation,
    Inc.
 
    This program is free software; you can redistribute it and/or modify
diff --git a/lib/.gitignore b/lib/.gitignore
index 85755bc..eb2b4c6 100644
--- a/lib/.gitignore
+++ b/lib/.gitignore
@@ -95,6 +95,7 @@
 /isnanf.c
 /isnanl-nolibm.h
 /isnanl.c
+/iswblank.c
 /lchown.c
 /libgzip.a
 /localcharset.c
diff --git a/lib/Makefile.am b/lib/Makefile.am
index b4c105c..dafab2b 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -1,6 +1,6 @@
 # Make gzip/lib				-*-Makefile-*-
 
-# Copyright (C) 2006, 2009-2010 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2009-2011 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/lib/match.c b/lib/match.c
index 5dd8d64..9c3e74b 100644
--- a/lib/match.c
+++ b/lib/match.c
@@ -1,6 +1,6 @@
 /* match.s -- optional optimized asm version of longest match in deflate.c
 
-   Copyright (C) 2002, 2006, 2009-2010 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2011 Free Software Foundation, Inc.
    Copyright (C) 1992-1993 Jean-loup Gailly
 
    This program is free software; you can redistribute it and/or modify
diff --git a/m4/.gitignore b/m4/.gitignore
index b5fbf37..5fde6ae 100644
--- a/m4/.gitignore
+++ b/m4/.gitignore
@@ -12,6 +12,7 @@
 /closein.m4
 /closeout.m4
 /codeset.m4
+/configmake.m4
 /d-ino.m4
 /dirent_h.m4
 /dirfd.m4
diff --git a/m4/shell.m4 b/m4/shell.m4
index d711dba..0d7b7e4 100644
--- a/m4/shell.m4
+++ b/m4/shell.m4
@@ -1,6 +1,6 @@
 # Check for a working shell.
 
-# Copyright (C) 2000-2001, 2007, 2009-2010 Free Software Foundation, Inc.
+# Copyright (C) 2000-2001, 2007, 2009-2011 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
 # the Free Software Foundation; either version 3, or (at your option)
diff --git a/revision.h b/revision.h
index 9825374..47aed6d 100644
--- a/revision.h
+++ b/revision.h
@@ -1,6 +1,6 @@
 /* revision.h -- define the version number
 
-   Copyright (C) 1998-1999, 2001-2002, 2006, 2009-2010 Free Software
+   Copyright (C) 1998-1999, 2001-2002, 2006, 2009-2011 Free Software
    Foundation, Inc.
    Copyright (C) 1992-1993 Jean-loup Gailly.
 
diff --git a/tailor.h b/tailor.h
index ef7695e..125f0c1 100644
--- a/tailor.h
+++ b/tailor.h
@@ -1,6 +1,6 @@
 /* tailor.h -- target dependent definitions
 
-   Copyright (C) 1997-1999, 2002, 2006, 2009-2010 Free Software Foundation,
+   Copyright (C) 1997-1999, 2002, 2006, 2009-2011 Free Software Foundation,
    Inc.
    Copyright (C) 1992-1993 Jean-loup Gailly
 
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 03eb4a3..cb7f94a 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,5 +1,5 @@
 ## Process this file with automake to create Makefile.in
-# Copyright 2010 Free Software Foundation, Inc.
+# Copyright 2010-2011 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/tests/helin-segv b/tests/helin-segv
index ed0ebfa..92c4ab4 100755
--- a/tests/helin-segv
+++ b/tests/helin-segv
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Before gzip-1.4, gzip -d would segfault on some inputs.
 
-# Copyright (C) 2010 Free Software Foundation, Inc.
+# Copyright (C) 2010-2011 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/tests/help-version b/tests/help-version
index 9fb3127..feb65a5 100755
--- a/tests/help-version
+++ b/tests/help-version
@@ -2,7 +2,7 @@
 # Make sure all these programs work properly
 # when invoked with --help or --version.
 
-# Copyright (C) 2000-2010 Free Software Foundation, Inc.
+# Copyright (C) 2000-2011 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/tests/hufts b/tests/hufts
index ac0dc8e..22ce105 100755
--- a/tests/hufts
+++ b/tests/hufts
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Exercise a bug whereby an invalid input could make gzip -d misbehave.
 
-# Copyright (C) 2009-2010 Free Software Foundation, Inc.
+# Copyright (C) 2009-2011 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/tests/init.sh b/tests/init.sh
index a57de77..366701a 100644
--- a/tests/init.sh
+++ b/tests/init.sh
@@ -1,6 +1,6 @@
 # source this file; set up for tests
 
-# Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2009-2011 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/tests/memcpy-abuse b/tests/memcpy-abuse
index 601ac3d..6cbac66 100755
--- a/tests/memcpy-abuse
+++ b/tests/memcpy-abuse
@@ -2,7 +2,7 @@
 # Before gzip-1.4, this the use of memcpy in inflate_codes could
 # mistakenly operate on overlapping regions.  Exercise that code.
 
-# Copyright (C) 2010 Free Software Foundation, Inc.
+# Copyright (C) 2010-2011 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/tests/mixed b/tests/mixed
index 7a0973b..bd561e8 100644
--- a/tests/mixed
+++ b/tests/mixed
@@ -2,7 +2,7 @@
 # Ensure that gzip -cdf handles mixed compressed/not-compressed data
 # Before gzip-1.5, it would produce invalid output.
 
-# Copyright (C) 2010 Free Software Foundation, Inc.
+# Copyright (C) 2010-2011 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/tests/null-suffix-clobber b/tests/null-suffix-clobber
index 0fa7191..44c6d50 100755
--- a/tests/null-suffix-clobber
+++ b/tests/null-suffix-clobber
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Before gzip-1.5, gzip -d -S '' k.gz would delete F.gz and not create "F"
 
-# Copyright (C) 2010 Free Software Foundation, Inc.
+# Copyright (C) 2010-2011 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/tests/stdin b/tests/stdin
index 2f41a8c..ed2a264 100755
--- a/tests/stdin
+++ b/tests/stdin
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Ensure that gzip interprets "-" as stdin.
 
-# Copyright (C) 2009-2010 Free Software Foundation, Inc.
+# Copyright (C) 2009-2011 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/tests/trailing-nul b/tests/trailing-nul
index ac44794..8a6a4f1 100755
--- a/tests/trailing-nul
+++ b/tests/trailing-nul
@@ -2,7 +2,7 @@
 # gzip accepts trailing NUL bytes; don't fail if there is exactly one.
 # Before gzip-1.4, this would fail.
 
-# Copyright (C) 2009-2010 Free Software Foundation, Inc.
+# Copyright (C) 2009-2011 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/tests/zdiff b/tests/zdiff
index b4e6f02..3891652 100755
--- a/tests/zdiff
+++ b/tests/zdiff
@@ -2,7 +2,7 @@
 # Exercise zdiff with two compressed inputs.
 # Before gzip-1.4, this would fail.
 
-# Copyright (C) 2009-2010 Free Software Foundation, Inc.
+# Copyright (C) 2009-2011 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/tests/zgrep-f b/tests/zgrep-f
index ec8cf77..34d290c 100644
--- a/tests/zgrep-f
+++ b/tests/zgrep-f
@@ -2,7 +2,7 @@
 # Ensure that zgrep -f - works like grep -f -
 # Before gzip-1.4, it would fail.
 
-# Copyright (C) 2009-2010 Free Software Foundation, Inc.
+# Copyright (C) 2009-2011 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/tests/zgrep-signal b/tests/zgrep-signal
index d9d3ff2..fc09a9e 100644
--- a/tests/zgrep-signal
+++ b/tests/zgrep-signal
@@ -2,7 +2,7 @@
 # Check that zgrep is terminated gracefully by signal when
 # its grep/sed pipeline is terminated by a signal.
 
-# Copyright (C) 2010 Free Software Foundation, Inc.
+# Copyright (C) 2010-2011 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/tests/znew-k b/tests/znew-k
index 67bb82e..e642d47 100644
--- a/tests/znew-k
+++ b/tests/znew-k
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Check that znew -K works without compress(1).
 
-# Copyright (C) 2010 Free Software Foundation, Inc.
+# Copyright (C) 2010-2011 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/trees.c b/trees.c
index c6a3b4f..7f0083c 100644
--- a/trees.c
+++ b/trees.c
@@ -1,6 +1,6 @@
 /* trees.c -- output deflated data using Huffman coding
 
-   Copyright (C) 1997-1999, 2009-2010 Free Software Foundation, Inc.
+   Copyright (C) 1997-1999, 2009-2011 Free Software Foundation, Inc.
    Copyright (C) 1992-1993 Jean-loup Gailly
 
    This program is free software; you can redistribute it and/or modify
diff --git a/unpack.c b/unpack.c
index 69cf915..9a022e8 100644
--- a/unpack.c
+++ b/unpack.c
@@ -1,6 +1,6 @@
 /* unpack.c -- decompress files in pack format.
 
-   Copyright (C) 1997, 1999, 2006, 2009-2010 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1999, 2006, 2009-2011 Free Software Foundation, Inc.
    Copyright (C) 1992-1993 Jean-loup Gailly
 
    This program is free software; you can redistribute it and/or modify
diff --git a/unzip.c b/unzip.c
index faecaf7..c481a89 100644
--- a/unzip.c
+++ b/unzip.c
@@ -1,6 +1,6 @@
 /* unzip.c -- decompress files in gzip or pkzip format.
 
-   Copyright (C) 1997-1999, 2009-2010 Free Software Foundation, Inc.
+   Copyright (C) 1997-1999, 2009-2011 Free Software Foundation, Inc.
    Copyright (C) 1992-1993 Jean-loup Gailly
 
    This program is free software; you can redistribute it and/or modify
diff --git a/util.c b/util.c
index 80b1075..ee34a3a 100644
--- a/util.c
+++ b/util.c
@@ -1,6 +1,6 @@
 /* util.c -- utility functions for gzip support
 
-   Copyright (C) 1997-1999, 2001-2002, 2006, 2009-2010 Free Software
+   Copyright (C) 1997-1999, 2001-2002, 2006, 2009-2011 Free Software
    Foundation, Inc.
    Copyright (C) 1992-1993 Jean-loup Gailly
 
diff --git a/zcat.in b/zcat.in
index 69cc831..590e331 100644
--- a/zcat.in
+++ b/zcat.in
@@ -24,7 +24,7 @@ esac
 PATH=$bindir:$PATH
 
 version="zcat (gzip) @VERSION@
-Copyright (C) 2007 Free Software Foundation, Inc.
+Copyright (C) 2007, 2011 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/zcmp.in b/zcmp.in
index 7c499f2..a3c42ee 100644
--- a/zcmp.in
+++ b/zcmp.in
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Compare the uncompressed contents of compressed files, byte by byte.
 
-# Copyright (C) 2007, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2007, 2010-2011 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/zdiff.in b/zdiff.in
index 8eb5715..72ae643 100644
--- a/zdiff.in
+++ b/zdiff.in
@@ -31,7 +31,7 @@ case $1 in
 esac
 
 version="z$prog (gzip) @VERSION@
-Copyright (C) 2009 Free Software Foundation, Inc.
+Copyright (C) 2009, 2011 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/zforce.in b/zforce.in
index 89e1486..a3275a9 100644
--- a/zforce.in
+++ b/zforce.in
@@ -30,7 +30,7 @@ esac
 PATH=$bindir:$PATH; export PATH
 
 version="zforce (gzip) @VERSION@
-Copyright (C) 2010 Free Software Foundation, Inc.
+Copyright (C) 2010-2011 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/zgrep.in b/zgrep.in
index d0dea15..7346a2c 100644
--- a/zgrep.in
+++ b/zgrep.in
@@ -31,7 +31,7 @@ PATH=$bindir:$PATH
 grep='${GREP-grep}'
 
 version='zgrep (gzip) @VERSION@
-Copyright (C) 2010 Free Software Foundation, Inc.
+Copyright (C) 2010-2011 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/zip.c b/zip.c
index 7162366..b205cd9 100644
--- a/zip.c
+++ b/zip.c
@@ -1,6 +1,6 @@
 /* zip.c -- compress files to the gzip or pkzip format
 
-   Copyright (C) 1997-1999, 2006-2007, 2009-2010 Free Software Foundation, Inc.
+   Copyright (C) 1997-1999, 2006-2007, 2009-2011 Free Software Foundation, Inc.
    Copyright (C) 1992-1993 Jean-loup Gailly
 
    This program is free software; you can redistribute it and/or modify
diff --git a/zless.in b/zless.in
index b25e408..4152017 100644
--- a/zless.in
+++ b/zless.in
@@ -23,7 +23,7 @@ esac
 PATH=$bindir:$PATH; export PATH
 
 version="zless (gzip) @VERSION@
-Copyright (C) 2007 Free Software Foundation, Inc.
+Copyright (C) 2007, 2011 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/zmore.in b/zmore.in
index 95159bd..92144fe 100644
--- a/zmore.in
+++ b/zmore.in
@@ -24,7 +24,7 @@ esac
 PATH=$bindir:$PATH; export PATH
 
 version="zmore (gzip) @VERSION@
-Copyright (C) 2010 Free Software Foundation, Inc.
+Copyright (C) 2010-2011 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.
diff --git a/znew.in b/znew.in
index d0cb5eb..a912e85 100644
--- a/znew.in
+++ b/znew.in
@@ -24,7 +24,7 @@ esac
 PATH=$bindir:$PATH; export PATH
 
 version="znew (gzip) @VERSION@
-Copyright (C) 2010 Free Software Foundation, Inc.
+Copyright (C) 2010-2011 Free Software Foundation, Inc.
 This is free software.  You may redistribute copies of it under the terms of
 the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
 There is NO WARRANTY, to the extent permitted by law.