Merge branch 'release/0.9.8-1'0.9.8-1

151 files changed, 312 insertions, 304 deletions

diff --git a/lib/unistr/u-cmp2.h b/lib/unistr/u-cmp2.h
index 18dda28..e5dba29 100644
--- a/lib/unistr/u-cmp2.h
+++ b/lib/unistr/u-cmp2.h
@@ -1,5 +1,5 @@
 /* Compare pieces of UTF-8/UTF-16/UTF-32 strings.
-   Copyright (C) 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 int
 FUNC (const UNIT *s1, size_t n1, const UNIT *s2, size_t n2)
diff --git a/lib/unistr/u-cpy-alloc.h b/lib/unistr/u-cpy-alloc.h
index 00f8e10..9d04f5e 100644
--- a/lib/unistr/u-cpy-alloc.h
+++ b/lib/unistr/u-cpy-alloc.h
@@ -1,5 +1,5 @@
 /* Copy piece of UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 1999, 2002, 2006-2007, 2009-2016 Free Software Foundation,
+   Copyright (C) 1999, 2002, 2006-2007, 2009-2017 Free Software Foundation,
    Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <stdlib.h>
 #include <string.h>
diff --git a/lib/unistr/u-cpy.h b/lib/unistr/u-cpy.h
index 1ae9ebf..93b8aff 100644
--- a/lib/unistr/u-cpy.h
+++ b/lib/unistr/u-cpy.h
@@ -1,5 +1,5 @@
 /* Copy piece of UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <string.h>
 
diff --git a/lib/unistr/u-endswith.h b/lib/unistr/u-endswith.h
index 5823343..9ceb2db 100644
--- a/lib/unistr/u-endswith.h
+++ b/lib/unistr/u-endswith.h
@@ -1,5 +1,5 @@
 /* Substring test for UTF-8/UTF-16/UTF-32 strings.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 bool
 FUNC (const UNIT *str, const UNIT *suffix)
diff --git a/lib/unistr/u-move.h b/lib/unistr/u-move.h
index 963c230..369bdd2 100644
--- a/lib/unistr/u-move.h
+++ b/lib/unistr/u-move.h
@@ -1,5 +1,5 @@
 /* Copy piece of UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <string.h>
 
diff --git a/lib/unistr/u-set.h b/lib/unistr/u-set.h
index fc6cd41..e07e817 100644
--- a/lib/unistr/u-set.h
+++ b/lib/unistr/u-set.h
@@ -1,5 +1,5 @@
 /* Fill UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <errno.h>
 
diff --git a/lib/unistr/u-startswith.h b/lib/unistr/u-startswith.h
index 0375d7e..c665620 100644
--- a/lib/unistr/u-startswith.h
+++ b/lib/unistr/u-startswith.h
@@ -1,5 +1,5 @@
 /* Substring test for UTF-8/UTF-16/UTF-32 strings.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 bool
 FUNC (const UNIT *str, const UNIT *prefix)
diff --git a/lib/unistr/u-stpcpy.h b/lib/unistr/u-stpcpy.h
index c3073b1..f1dfeeb 100644
--- a/lib/unistr/u-stpcpy.h
+++ b/lib/unistr/u-stpcpy.h
@@ -1,5 +1,5 @@
 /* Copy UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 UNIT *
 FUNC (UNIT *dest, const UNIT *src)
diff --git a/lib/unistr/u-stpncpy.h b/lib/unistr/u-stpncpy.h
index 8d9e945..6350625 100644
--- a/lib/unistr/u-stpncpy.h
+++ b/lib/unistr/u-stpncpy.h
@@ -1,5 +1,5 @@
 /* Copy UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 UNIT *
 FUNC (UNIT *dest, const UNIT *src, size_t n)
diff --git a/lib/unistr/u-strcat.h b/lib/unistr/u-strcat.h
index 73dc231..bbe903d 100644
--- a/lib/unistr/u-strcat.h
+++ b/lib/unistr/u-strcat.h
@@ -1,5 +1,5 @@
 /* Concatenate UTF-8/UTF-16/UTF-32 strings.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 UNIT *
 FUNC (UNIT *dest, const UNIT *src)
diff --git a/lib/unistr/u-strcoll.h b/lib/unistr/u-strcoll.h
index 3bfbe56..7af5b28 100644
--- a/lib/unistr/u-strcoll.h
+++ b/lib/unistr/u-strcoll.h
@@ -1,6 +1,6 @@
 /* Compare UTF-8/UTF-16/UTF-32 strings using the collation rules of the current
    locale.
-   Copyright (C) 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This program is free software: you can redistribute it and/or
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 int
 FUNC (const UNIT *s1, const UNIT *s2)
diff --git a/lib/unistr/u-strcpy.h b/lib/unistr/u-strcpy.h
index b944336..0796e4e 100644
--- a/lib/unistr/u-strcpy.h
+++ b/lib/unistr/u-strcpy.h
@@ -1,5 +1,5 @@
 /* Copy UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 UNIT *
 FUNC (UNIT *dest, const UNIT *src)
diff --git a/lib/unistr/u-strcspn.h b/lib/unistr/u-strcspn.h
index 2fc7bad..2ec098f 100644
--- a/lib/unistr/u-strcspn.h
+++ b/lib/unistr/u-strcspn.h
@@ -1,5 +1,5 @@
 /* Search for some characters in UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 size_t
 FUNC (const UNIT *str, const UNIT *reject)
diff --git a/lib/unistr/u-strdup.h b/lib/unistr/u-strdup.h
index a4425f4..6230535 100644
--- a/lib/unistr/u-strdup.h
+++ b/lib/unistr/u-strdup.h
@@ -1,5 +1,5 @@
 /* Copy UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 1999, 2002, 2006-2007, 2009-2016 Free Software Foundation,
+   Copyright (C) 1999, 2002, 2006-2007, 2009-2017 Free Software Foundation,
    Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <stdlib.h>
 #include <string.h>
diff --git a/lib/unistr/u-strlen.h b/lib/unistr/u-strlen.h
index 9710590..05690d0 100644
--- a/lib/unistr/u-strlen.h
+++ b/lib/unistr/u-strlen.h
@@ -1,5 +1,5 @@
 /* Determine length of UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 size_t
 FUNC (const UNIT *s)
diff --git a/lib/unistr/u-strncat.h b/lib/unistr/u-strncat.h
index ae0fd93..e7ce252 100644
--- a/lib/unistr/u-strncat.h
+++ b/lib/unistr/u-strncat.h
@@ -1,5 +1,5 @@
 /* Concatenate UTF-8/UTF-16/UTF-32 strings.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 UNIT *
 FUNC (UNIT *dest, const UNIT *src, size_t n)
diff --git a/lib/unistr/u-strncpy.h b/lib/unistr/u-strncpy.h
index e731aa2..9e036b1 100644
--- a/lib/unistr/u-strncpy.h
+++ b/lib/unistr/u-strncpy.h
@@ -1,5 +1,5 @@
 /* Copy UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 UNIT *
 FUNC (UNIT *dest, const UNIT *src, size_t n)
diff --git a/lib/unistr/u-strnlen.h b/lib/unistr/u-strnlen.h
index 4f9c8b6..58df5e1 100644
--- a/lib/unistr/u-strnlen.h
+++ b/lib/unistr/u-strnlen.h
@@ -1,5 +1,5 @@
 /* Determine bounded length of UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 size_t
 FUNC (const UNIT *s, size_t maxlen)
diff --git a/lib/unistr/u-strpbrk.h b/lib/unistr/u-strpbrk.h
index 4df5b57..f956eb9 100644
--- a/lib/unistr/u-strpbrk.h
+++ b/lib/unistr/u-strpbrk.h
@@ -1,5 +1,5 @@
 /* Search for some characters in UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 UNIT *
 FUNC (const UNIT *str, const UNIT *accept)
diff --git a/lib/unistr/u-strspn.h b/lib/unistr/u-strspn.h
index 9dccbdf..40a76bd 100644
--- a/lib/unistr/u-strspn.h
+++ b/lib/unistr/u-strspn.h
@@ -1,5 +1,5 @@
 /* Search for some characters in UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 size_t
 FUNC (const UNIT *str, const UNIT *accept)
diff --git a/lib/unistr/u-strstr.h b/lib/unistr/u-strstr.h
index b4e7e3c..a7581a8 100644
--- a/lib/unistr/u-strstr.h
+++ b/lib/unistr/u-strstr.h
@@ -1,5 +1,5 @@
 /* Substring test for UTF-8/UTF-16/UTF-32 strings.  -*- coding: utf-8 -*-
-   Copyright (C) 1999, 2002, 2006, 2010-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2010-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002, 2005.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 UNIT *
 FUNC (const UNIT *haystack, const UNIT *needle)
diff --git a/lib/unistr/u-strtok.h b/lib/unistr/u-strtok.h
index 899ac76..ff07011 100644
--- a/lib/unistr/u-strtok.h
+++ b/lib/unistr/u-strtok.h
@@ -1,5 +1,5 @@
 /* Tokenize UTF-8/UTF-16/UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 UNIT *
 FUNC (UNIT *str, const UNIT *delim, UNIT **ptr)
diff --git a/lib/unistr/u16-check.c b/lib/unistr/u16-check.c
index 8a13c01..9295746 100644
--- a/lib/unistr/u16-check.c
+++ b/lib/unistr/u16-check.c
@@ -1,5 +1,5 @@
 /* Check UTF-16 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-chr.c b/lib/unistr/u16-chr.c
index d000db0..b34a519 100644
--- a/lib/unistr/u16-chr.c
+++ b/lib/unistr/u16-chr.c
@@ -1,5 +1,5 @@
 /* Search character in piece of UTF-16 string.
-   Copyright (C) 1999, 2002, 2006-2007, 2009-2016 Free Software Foundation,
+   Copyright (C) 1999, 2002, 2006-2007, 2009-2017 Free Software Foundation,
    Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-cmp.c b/lib/unistr/u16-cmp.c
index b4a670a..29f0bdf 100644
--- a/lib/unistr/u16-cmp.c
+++ b/lib/unistr/u16-cmp.c
@@ -1,5 +1,5 @@
 /* Compare pieces of UTF-16 strings.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-cmp2.c b/lib/unistr/u16-cmp2.c
index 3a4152b..f5daa02 100644
--- a/lib/unistr/u16-cmp2.c
+++ b/lib/unistr/u16-cmp2.c
@@ -1,5 +1,5 @@
 /* Compare pieces of UTF-16 strings.
-   Copyright (C) 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-cpy-alloc.c b/lib/unistr/u16-cpy-alloc.c
index 53295ce..b4b991d 100644
--- a/lib/unistr/u16-cpy-alloc.c
+++ b/lib/unistr/u16-cpy-alloc.c
@@ -1,5 +1,5 @@
 /* Copy piece of UTF-16 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-cpy.c b/lib/unistr/u16-cpy.c
index 05321d9..e52acb3 100644
--- a/lib/unistr/u16-cpy.c
+++ b/lib/unistr/u16-cpy.c
@@ -1,5 +1,5 @@
 /* Copy piece of UTF-16 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-endswith.c b/lib/unistr/u16-endswith.c
index 8b1182c..b3aefd3 100644
--- a/lib/unistr/u16-endswith.c
+++ b/lib/unistr/u16-endswith.c
@@ -1,5 +1,5 @@
 /* Substring test for UTF-16 strings.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-mblen.c b/lib/unistr/u16-mblen.c
index 5a1cfb2..cdc1043 100644
--- a/lib/unistr/u16-mblen.c
+++ b/lib/unistr/u16-mblen.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-16 string.
-   Copyright (C) 1999-2000, 2002, 2006-2007, 2009-2016 Free Software
+   Copyright (C) 1999-2000, 2002, 2006-2007, 2009-2017 Free Software
    Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-mbsnlen.c b/lib/unistr/u16-mbsnlen.c
index 13d0ba9..63daf4a 100644
--- a/lib/unistr/u16-mbsnlen.c
+++ b/lib/unistr/u16-mbsnlen.c
@@ -1,5 +1,5 @@
 /* Count characters in UTF-16 string.
-   Copyright (C) 2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2007.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-mbtouc-aux.c b/lib/unistr/u16-mbtouc-aux.c
index 87100e4..796772d 100644
--- a/lib/unistr/u16-mbtouc-aux.c
+++ b/lib/unistr/u16-mbtouc-aux.c
@@ -1,5 +1,5 @@
 /* Conversion UTF-16 to UCS-4.
-   Copyright (C) 2001-2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2001-2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2001.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-mbtouc-unsafe-aux.c b/lib/unistr/u16-mbtouc-unsafe-aux.c
index 3282f8d..529774a 100644
--- a/lib/unistr/u16-mbtouc-unsafe-aux.c
+++ b/lib/unistr/u16-mbtouc-unsafe-aux.c
@@ -1,5 +1,5 @@
 /* Conversion UTF-16 to UCS-4.
-   Copyright (C) 2001-2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2001-2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2001.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-mbtouc-unsafe.c b/lib/unistr/u16-mbtouc-unsafe.c
index a525256..ba4a949 100644
--- a/lib/unistr/u16-mbtouc-unsafe.c
+++ b/lib/unistr/u16-mbtouc-unsafe.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-16 string.
-   Copyright (C) 1999-2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999-2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2001.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-mbtouc.c b/lib/unistr/u16-mbtouc.c
index 643d623..2fb2f1f 100644
--- a/lib/unistr/u16-mbtouc.c
+++ b/lib/unistr/u16-mbtouc.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-16 string.
-   Copyright (C) 1999-2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999-2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2001.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-mbtoucr.c b/lib/unistr/u16-mbtoucr.c
index 062d69c..59d0ae3 100644
--- a/lib/unistr/u16-mbtoucr.c
+++ b/lib/unistr/u16-mbtoucr.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-16 string, returning an error code.
-   Copyright (C) 1999-2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999-2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2001.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-move.c b/lib/unistr/u16-move.c
index 8492a23..7ccfefb 100644
--- a/lib/unistr/u16-move.c
+++ b/lib/unistr/u16-move.c
@@ -1,5 +1,5 @@
 /* Copy piece of UTF-16 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-next.c b/lib/unistr/u16-next.c
index ee41371..af26043 100644
--- a/lib/unistr/u16-next.c
+++ b/lib/unistr/u16-next.c
@@ -1,5 +1,5 @@
 /* Iterate over next character in UTF-16 string.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-prev.c b/lib/unistr/u16-prev.c
index dc995c6..145fae3 100644
--- a/lib/unistr/u16-prev.c
+++ b/lib/unistr/u16-prev.c
@@ -1,5 +1,5 @@
 /* Iterate over previous character in UTF-16 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-set.c b/lib/unistr/u16-set.c
index 9af9cfe..fb49e5a 100644
--- a/lib/unistr/u16-set.c
+++ b/lib/unistr/u16-set.c
@@ -1,5 +1,5 @@
 /* Fill UTF-16 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-startswith.c b/lib/unistr/u16-startswith.c
index e450397..da4f852 100644
--- a/lib/unistr/u16-startswith.c
+++ b/lib/unistr/u16-startswith.c
@@ -1,5 +1,5 @@
 /* Substring test for UTF-16 strings.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-stpcpy.c b/lib/unistr/u16-stpcpy.c
index ad87675..5bc196c 100644
--- a/lib/unistr/u16-stpcpy.c
+++ b/lib/unistr/u16-stpcpy.c
@@ -1,5 +1,5 @@
 /* Copy UTF-16 string.
-   Copyright (C) 1999, 2002, 2006-2007, 2009-2016 Free Software Foundation,
+   Copyright (C) 1999, 2002, 2006-2007, 2009-2017 Free Software Foundation,
    Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-stpncpy.c b/lib/unistr/u16-stpncpy.c
index c7c583e..b820adc 100644
--- a/lib/unistr/u16-stpncpy.c
+++ b/lib/unistr/u16-stpncpy.c
@@ -1,5 +1,5 @@
 /* Copy UTF-16 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strcat.c b/lib/unistr/u16-strcat.c
index 2d1e252..22cca1a 100644
--- a/lib/unistr/u16-strcat.c
+++ b/lib/unistr/u16-strcat.c
@@ -1,5 +1,5 @@
 /* Concatenate UTF-16 strings.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strchr.c b/lib/unistr/u16-strchr.c
index 8568002..add50a1 100644
--- a/lib/unistr/u16-strchr.c
+++ b/lib/unistr/u16-strchr.c
@@ -1,5 +1,5 @@
 /* Search character in UTF-16 string.
-   Copyright (C) 1999, 2002, 2006-2007, 2009-2016 Free Software Foundation,
+   Copyright (C) 1999, 2002, 2006-2007, 2009-2017 Free Software Foundation,
    Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strcmp.c b/lib/unistr/u16-strcmp.c
index 324d56d..28d7a93 100644
--- a/lib/unistr/u16-strcmp.c
+++ b/lib/unistr/u16-strcmp.c
@@ -1,5 +1,5 @@
 /* Compare UTF-16 strings.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strcoll.c b/lib/unistr/u16-strcoll.c
index 590d610..c8739f4 100644
--- a/lib/unistr/u16-strcoll.c
+++ b/lib/unistr/u16-strcoll.c
@@ -1,5 +1,5 @@
 /* Compare UTF-16 strings using the collation rules of the current locale.
-   Copyright (C) 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strcpy.c b/lib/unistr/u16-strcpy.c
index 31321be..c76c295 100644
--- a/lib/unistr/u16-strcpy.c
+++ b/lib/unistr/u16-strcpy.c
@@ -1,5 +1,5 @@
 /* Copy UTF-16 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strcspn.c b/lib/unistr/u16-strcspn.c
index d52b005..47d879f 100644
--- a/lib/unistr/u16-strcspn.c
+++ b/lib/unistr/u16-strcspn.c
@@ -1,5 +1,5 @@
 /* Search for some characters in UTF-16 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strdup.c b/lib/unistr/u16-strdup.c
index c8df8f6..0ecc5a1 100644
--- a/lib/unistr/u16-strdup.c
+++ b/lib/unistr/u16-strdup.c
@@ -1,5 +1,5 @@
 /* Copy UTF-16 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strlen.c b/lib/unistr/u16-strlen.c
index 5148dc2..db98b27 100644
--- a/lib/unistr/u16-strlen.c
+++ b/lib/unistr/u16-strlen.c
@@ -1,5 +1,5 @@
 /* Determine length of UTF-16 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strmblen.c b/lib/unistr/u16-strmblen.c
index 5013abf..4070670 100644
--- a/lib/unistr/u16-strmblen.c
+++ b/lib/unistr/u16-strmblen.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-16 string.
-   Copyright (C) 1999-2000, 2002, 2006-2007, 2009-2016 Free Software
+   Copyright (C) 1999-2000, 2002, 2006-2007, 2009-2017 Free Software
    Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strmbtouc.c b/lib/unistr/u16-strmbtouc.c
index 82f59c3..ff1786e 100644
--- a/lib/unistr/u16-strmbtouc.c
+++ b/lib/unistr/u16-strmbtouc.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-16 string.
-   Copyright (C) 1999-2000, 2002, 2006-2007, 2009-2016 Free Software
+   Copyright (C) 1999-2000, 2002, 2006-2007, 2009-2017 Free Software
    Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strncat.c b/lib/unistr/u16-strncat.c
index e235207..00078af 100644
--- a/lib/unistr/u16-strncat.c
+++ b/lib/unistr/u16-strncat.c
@@ -1,5 +1,5 @@
 /* Concatenate UTF-16 strings.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strncmp.c b/lib/unistr/u16-strncmp.c
index 0c782e5..a622920 100644
--- a/lib/unistr/u16-strncmp.c
+++ b/lib/unistr/u16-strncmp.c
@@ -1,5 +1,5 @@
 /* Compare UTF-16 strings.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strncpy.c b/lib/unistr/u16-strncpy.c
index 9c350bf..a84a22a 100644
--- a/lib/unistr/u16-strncpy.c
+++ b/lib/unistr/u16-strncpy.c
@@ -1,5 +1,5 @@
 /* Copy UTF-16 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strnlen.c b/lib/unistr/u16-strnlen.c
index 91dfbf7..d03d6ae 100644
--- a/lib/unistr/u16-strnlen.c
+++ b/lib/unistr/u16-strnlen.c
@@ -1,5 +1,5 @@
 /* Determine bounded length of UTF-16 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strpbrk.c b/lib/unistr/u16-strpbrk.c
index 1739a2c..c9b4f2e 100644
--- a/lib/unistr/u16-strpbrk.c
+++ b/lib/unistr/u16-strpbrk.c
@@ -1,5 +1,5 @@
 /* Search for some characters in UTF-16 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strrchr.c b/lib/unistr/u16-strrchr.c
index d1cca43..7919b96 100644
--- a/lib/unistr/u16-strrchr.c
+++ b/lib/unistr/u16-strrchr.c
@@ -1,5 +1,5 @@
 /* Search character in UTF-16 string.
-   Copyright (C) 1999, 2002, 2006-2007, 2009-2016 Free Software Foundation,
+   Copyright (C) 1999, 2002, 2006-2007, 2009-2017 Free Software Foundation,
    Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strspn.c b/lib/unistr/u16-strspn.c
index 78b60c0..f218c84 100644
--- a/lib/unistr/u16-strspn.c
+++ b/lib/unistr/u16-strspn.c
@@ -1,5 +1,5 @@
 /* Search for some characters in UTF-16 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strstr.c b/lib/unistr/u16-strstr.c
index fe0f1bd..5d814e7 100644
--- a/lib/unistr/u16-strstr.c
+++ b/lib/unistr/u16-strstr.c
@@ -1,5 +1,5 @@
 /* Substring test for UTF-16 strings.
-   Copyright (C) 1999, 2002, 2006, 2010-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2010-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-strtok.c b/lib/unistr/u16-strtok.c
index 17c36da..756c714 100644
--- a/lib/unistr/u16-strtok.c
+++ b/lib/unistr/u16-strtok.c
@@ -1,5 +1,5 @@
 /* Tokenize UTF-16 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-to-u32.c b/lib/unistr/u16-to-u32.c
index 3196dc2..85e7c0f 100644
--- a/lib/unistr/u16-to-u32.c
+++ b/lib/unistr/u16-to-u32.c
@@ -1,5 +1,5 @@
 /* Convert UTF-16 string to UTF-32 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-to-u8.c b/lib/unistr/u16-to-u8.c
index 3cf5e1c..554fcbb 100644
--- a/lib/unistr/u16-to-u8.c
+++ b/lib/unistr/u16-to-u8.c
@@ -1,5 +1,5 @@
 /* Convert UTF-16 string to UTF-8 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-uctomb-aux.c b/lib/unistr/u16-uctomb-aux.c
index d3889b4..a6e03b0 100644
--- a/lib/unistr/u16-uctomb-aux.c
+++ b/lib/unistr/u16-uctomb-aux.c
@@ -1,5 +1,5 @@
 /* Conversion UCS-4 to UTF-16.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u16-uctomb.c b/lib/unistr/u16-uctomb.c
index 58484d0..f5c9629 100644
--- a/lib/unistr/u16-uctomb.c
+++ b/lib/unistr/u16-uctomb.c
@@ -1,5 +1,5 @@
 /* Store a character in UTF-16 string.
-   Copyright (C) 2002, 2005-2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2005-2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-check.c b/lib/unistr/u32-check.c
index 3d174d7..700f76a 100644
--- a/lib/unistr/u32-check.c
+++ b/lib/unistr/u32-check.c
@@ -1,5 +1,5 @@
 /* Check UTF-32 string.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-chr.c b/lib/unistr/u32-chr.c
index 35c8570..90217d1 100644
--- a/lib/unistr/u32-chr.c
+++ b/lib/unistr/u32-chr.c
@@ -1,5 +1,5 @@
 /* Search character in piece of UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-cmp.c b/lib/unistr/u32-cmp.c
index a4e69fd..8ffd25e 100644
--- a/lib/unistr/u32-cmp.c
+++ b/lib/unistr/u32-cmp.c
@@ -1,5 +1,5 @@
 /* Compare pieces of UTF-32 strings.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-cmp2.c b/lib/unistr/u32-cmp2.c
index f970c4d..a2fdc28 100644
--- a/lib/unistr/u32-cmp2.c
+++ b/lib/unistr/u32-cmp2.c
@@ -1,5 +1,5 @@
 /* Compare pieces of UTF-32 strings.
-   Copyright (C) 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-cpy-alloc.c b/lib/unistr/u32-cpy-alloc.c
index 75450fc..eedf53c 100644
--- a/lib/unistr/u32-cpy-alloc.c
+++ b/lib/unistr/u32-cpy-alloc.c
@@ -1,5 +1,5 @@
 /* Copy piece of UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-cpy.c b/lib/unistr/u32-cpy.c
index 4cb71ed..58ed0a9 100644
--- a/lib/unistr/u32-cpy.c
+++ b/lib/unistr/u32-cpy.c
@@ -1,5 +1,5 @@
 /* Copy piece of UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-endswith.c b/lib/unistr/u32-endswith.c
index 2bf2e6a..c7cc874 100644
--- a/lib/unistr/u32-endswith.c
+++ b/lib/unistr/u32-endswith.c
@@ -1,5 +1,5 @@
 /* Substring test for UTF-32 strings.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-mblen.c b/lib/unistr/u32-mblen.c
index af28d64..8d091ed 100644
--- a/lib/unistr/u32-mblen.c
+++ b/lib/unistr/u32-mblen.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-32 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-mbsnlen.c b/lib/unistr/u32-mbsnlen.c
index 34103be..a6c816a 100644
--- a/lib/unistr/u32-mbsnlen.c
+++ b/lib/unistr/u32-mbsnlen.c
@@ -1,5 +1,5 @@
 /* Count characters in UTF-32 string.
-   Copyright (C) 2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2007.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-mbtouc-unsafe.c b/lib/unistr/u32-mbtouc-unsafe.c
index bb0a13e..46d503f 100644
--- a/lib/unistr/u32-mbtouc-unsafe.c
+++ b/lib/unistr/u32-mbtouc-unsafe.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-32 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-mbtouc.c b/lib/unistr/u32-mbtouc.c
index 6854098..b0e0656 100644
--- a/lib/unistr/u32-mbtouc.c
+++ b/lib/unistr/u32-mbtouc.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-32 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-mbtoucr.c b/lib/unistr/u32-mbtoucr.c
index 7b0e809..a583531 100644
--- a/lib/unistr/u32-mbtoucr.c
+++ b/lib/unistr/u32-mbtoucr.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-32 string, returning an error code.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-move.c b/lib/unistr/u32-move.c
index 89f781b..d71f02f 100644
--- a/lib/unistr/u32-move.c
+++ b/lib/unistr/u32-move.c
@@ -1,5 +1,5 @@
 /* Copy piece of UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-next.c b/lib/unistr/u32-next.c
index 770e90e..af5a8d3 100644
--- a/lib/unistr/u32-next.c
+++ b/lib/unistr/u32-next.c
@@ -1,5 +1,5 @@
 /* Iterate over next character in UTF-32 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-prev.c b/lib/unistr/u32-prev.c
index 401d3cb..421c222 100644
--- a/lib/unistr/u32-prev.c
+++ b/lib/unistr/u32-prev.c
@@ -1,5 +1,5 @@
 /* Iterate over previous character in UTF-32 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-set.c b/lib/unistr/u32-set.c
index 0ad6cb2..3fa01e8 100644
--- a/lib/unistr/u32-set.c
+++ b/lib/unistr/u32-set.c
@@ -1,5 +1,5 @@
 /* Fill UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-startswith.c b/lib/unistr/u32-startswith.c
index 134acdb..9b5a842 100644
--- a/lib/unistr/u32-startswith.c
+++ b/lib/unistr/u32-startswith.c
@@ -1,5 +1,5 @@
 /* Substring test for UTF-32 strings.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-stpcpy.c b/lib/unistr/u32-stpcpy.c
index dffe8bb..70d2836 100644
--- a/lib/unistr/u32-stpcpy.c
+++ b/lib/unistr/u32-stpcpy.c
@@ -1,5 +1,5 @@
 /* Copy UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-stpncpy.c b/lib/unistr/u32-stpncpy.c
index 6440267..f9b57cf 100644
--- a/lib/unistr/u32-stpncpy.c
+++ b/lib/unistr/u32-stpncpy.c
@@ -1,5 +1,5 @@
 /* Copy UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strcat.c b/lib/unistr/u32-strcat.c
index f930695..747b0b8 100644
--- a/lib/unistr/u32-strcat.c
+++ b/lib/unistr/u32-strcat.c
@@ -1,5 +1,5 @@
 /* Concatenate UTF-32 strings.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strchr.c b/lib/unistr/u32-strchr.c
index a419842..835a8b3 100644
--- a/lib/unistr/u32-strchr.c
+++ b/lib/unistr/u32-strchr.c
@@ -1,5 +1,5 @@
 /* Search character in UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strcmp.c b/lib/unistr/u32-strcmp.c
index cb96d94..be58e92 100644
--- a/lib/unistr/u32-strcmp.c
+++ b/lib/unistr/u32-strcmp.c
@@ -1,5 +1,5 @@
 /* Compare UTF-32 strings.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strcoll.c b/lib/unistr/u32-strcoll.c
index 45e66f6..48c1823 100644
--- a/lib/unistr/u32-strcoll.c
+++ b/lib/unistr/u32-strcoll.c
@@ -1,5 +1,5 @@
 /* Compare UTF-32 strings using the collation rules of the current locale.
-   Copyright (C) 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strcpy.c b/lib/unistr/u32-strcpy.c
index 8872f2e..c3ad349 100644
--- a/lib/unistr/u32-strcpy.c
+++ b/lib/unistr/u32-strcpy.c
@@ -1,5 +1,5 @@
 /* Copy UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strcspn.c b/lib/unistr/u32-strcspn.c
index 13a27a9..507e1c4 100644
--- a/lib/unistr/u32-strcspn.c
+++ b/lib/unistr/u32-strcspn.c
@@ -1,5 +1,5 @@
 /* Search for some characters in UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strdup.c b/lib/unistr/u32-strdup.c
index 93293a6..fd008b8 100644
--- a/lib/unistr/u32-strdup.c
+++ b/lib/unistr/u32-strdup.c
@@ -1,5 +1,5 @@
 /* Copy UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strlen.c b/lib/unistr/u32-strlen.c
index 9cdd837..76245ba 100644
--- a/lib/unistr/u32-strlen.c
+++ b/lib/unistr/u32-strlen.c
@@ -1,5 +1,5 @@
 /* Determine length of UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strmblen.c b/lib/unistr/u32-strmblen.c
index 7ca14f4..35e5fac 100644
--- a/lib/unistr/u32-strmblen.c
+++ b/lib/unistr/u32-strmblen.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-32 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strmbtouc.c b/lib/unistr/u32-strmbtouc.c
index dabe648..71db094 100644
--- a/lib/unistr/u32-strmbtouc.c
+++ b/lib/unistr/u32-strmbtouc.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-32 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strncat.c b/lib/unistr/u32-strncat.c
index 0b1ea3e..a57cf80 100644
--- a/lib/unistr/u32-strncat.c
+++ b/lib/unistr/u32-strncat.c
@@ -1,5 +1,5 @@
 /* Concatenate UTF-32 strings.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strncmp.c b/lib/unistr/u32-strncmp.c
index 95c747d..cb9011c 100644
--- a/lib/unistr/u32-strncmp.c
+++ b/lib/unistr/u32-strncmp.c
@@ -1,5 +1,5 @@
 /* Compare UTF-32 strings.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strncpy.c b/lib/unistr/u32-strncpy.c
index d5e1c81..3508fd5 100644
--- a/lib/unistr/u32-strncpy.c
+++ b/lib/unistr/u32-strncpy.c
@@ -1,5 +1,5 @@
 /* Copy UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strnlen.c b/lib/unistr/u32-strnlen.c
index d0e8c03..d975014 100644
--- a/lib/unistr/u32-strnlen.c
+++ b/lib/unistr/u32-strnlen.c
@@ -1,5 +1,5 @@
 /* Determine bounded length of UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strpbrk.c b/lib/unistr/u32-strpbrk.c
index 1c4ac2e..3c10d41 100644
--- a/lib/unistr/u32-strpbrk.c
+++ b/lib/unistr/u32-strpbrk.c
@@ -1,5 +1,5 @@
 /* Search for some characters in UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strrchr.c b/lib/unistr/u32-strrchr.c
index b26b9f7..64ed5c0 100644
--- a/lib/unistr/u32-strrchr.c
+++ b/lib/unistr/u32-strrchr.c
@@ -1,5 +1,5 @@
 /* Search character in UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strspn.c b/lib/unistr/u32-strspn.c
index 50d6dc9..d84442c 100644
--- a/lib/unistr/u32-strspn.c
+++ b/lib/unistr/u32-strspn.c
@@ -1,5 +1,5 @@
 /* Search for some characters in UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strstr.c b/lib/unistr/u32-strstr.c
index a144e3b..0bda4c4 100644
--- a/lib/unistr/u32-strstr.c
+++ b/lib/unistr/u32-strstr.c
@@ -1,5 +1,5 @@
 /* Substring test for UTF-32 strings.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-strtok.c b/lib/unistr/u32-strtok.c
index 75a132b..5097b20 100644
--- a/lib/unistr/u32-strtok.c
+++ b/lib/unistr/u32-strtok.c
@@ -1,5 +1,5 @@
 /* Tokenize UTF-32 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-to-u16.c b/lib/unistr/u32-to-u16.c
index 29fd0ed..352a7aa 100644
--- a/lib/unistr/u32-to-u16.c
+++ b/lib/unistr/u32-to-u16.c
@@ -1,5 +1,5 @@
 /* Convert UTF-32 string to UTF-16 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-to-u8.c b/lib/unistr/u32-to-u8.c
index 190ae7d..f4363ad 100644
--- a/lib/unistr/u32-to-u8.c
+++ b/lib/unistr/u32-to-u8.c
@@ -1,5 +1,5 @@
 /* Convert UTF-32 string to UTF-8 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u32-uctomb.c b/lib/unistr/u32-uctomb.c
index 2bda334..195933d 100644
--- a/lib/unistr/u32-uctomb.c
+++ b/lib/unistr/u32-uctomb.c
@@ -1,5 +1,5 @@
 /* Store a character in UTF-32 string.
-   Copyright (C) 2002, 2005-2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2005-2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-check.c b/lib/unistr/u8-check.c
index 71658d9..ada466a 100644
--- a/lib/unistr/u8-check.c
+++ b/lib/unistr/u8-check.c
@@ -1,5 +1,5 @@
 /* Check UTF-8 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-chr.c b/lib/unistr/u8-chr.c
index a62fe63..926adc6 100644
--- a/lib/unistr/u8-chr.c
+++ b/lib/unistr/u8-chr.c
@@ -1,5 +1,5 @@
 /* Search character in piece of UTF-8 string.
-   Copyright (C) 1999, 2002, 2006-2007, 2009-2016 Free Software Foundation,
+   Copyright (C) 1999, 2002, 2006-2007, 2009-2017 Free Software Foundation,
    Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-cmp.c b/lib/unistr/u8-cmp.c
index 7abfd8c..6c3264c 100644
--- a/lib/unistr/u8-cmp.c
+++ b/lib/unistr/u8-cmp.c
@@ -1,5 +1,5 @@
 /* Compare pieces of UTF-8 strings.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-cmp2.c b/lib/unistr/u8-cmp2.c
index feeddd3..cc9c627 100644
--- a/lib/unistr/u8-cmp2.c
+++ b/lib/unistr/u8-cmp2.c
@@ -1,5 +1,5 @@
 /* Compare pieces of UTF-8 strings.
-   Copyright (C) 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-cpy-alloc.c b/lib/unistr/u8-cpy-alloc.c
index 2f36463..70a9191 100644
--- a/lib/unistr/u8-cpy-alloc.c
+++ b/lib/unistr/u8-cpy-alloc.c
@@ -1,5 +1,5 @@
 /* Copy piece of UTF-8 string.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-cpy.c b/lib/unistr/u8-cpy.c
index 86fe0ae..b158105 100644
--- a/lib/unistr/u8-cpy.c
+++ b/lib/unistr/u8-cpy.c
@@ -1,5 +1,5 @@
 /* Copy piece of UTF-8 string.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-endswith.c b/lib/unistr/u8-endswith.c
index 1813b1e..8ec48a3 100644
--- a/lib/unistr/u8-endswith.c
+++ b/lib/unistr/u8-endswith.c
@@ -1,5 +1,5 @@
 /* Substring test for UTF-8 strings.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-mblen.c b/lib/unistr/u8-mblen.c
index a30ea9b..7b630a0 100644
--- a/lib/unistr/u8-mblen.c
+++ b/lib/unistr/u8-mblen.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-8 string.
-   Copyright (C) 1999-2000, 2002, 2006-2007, 2009-2016 Free Software
+   Copyright (C) 1999-2000, 2002, 2006-2007, 2009-2017 Free Software
    Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-mbsnlen.c b/lib/unistr/u8-mbsnlen.c
index 7ec682f..147cf34 100644
--- a/lib/unistr/u8-mbsnlen.c
+++ b/lib/unistr/u8-mbsnlen.c
@@ -1,5 +1,5 @@
 /* Count characters in UTF-8 string.
-   Copyright (C) 2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2007.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-mbtouc-aux.c b/lib/unistr/u8-mbtouc-aux.c
index 7426e92..d24aba5 100644
--- a/lib/unistr/u8-mbtouc-aux.c
+++ b/lib/unistr/u8-mbtouc-aux.c
@@ -1,5 +1,5 @@
 /* Conversion UTF-8 to UCS-4.
-   Copyright (C) 2001-2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2001-2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2001.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-mbtouc-unsafe-aux.c b/lib/unistr/u8-mbtouc-unsafe-aux.c
index 80cdcca..4a3c3ea 100644
--- a/lib/unistr/u8-mbtouc-unsafe-aux.c
+++ b/lib/unistr/u8-mbtouc-unsafe-aux.c
@@ -1,5 +1,5 @@
 /* Conversion UTF-8 to UCS-4.
-   Copyright (C) 2001-2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2001-2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2001.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-mbtouc-unsafe.c b/lib/unistr/u8-mbtouc-unsafe.c
index 679a686..7d6ddb5 100644
--- a/lib/unistr/u8-mbtouc-unsafe.c
+++ b/lib/unistr/u8-mbtouc-unsafe.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-8 string.
-   Copyright (C) 1999-2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999-2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2001.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-mbtouc.c b/lib/unistr/u8-mbtouc.c
index db9bec3..dfd496f 100644
--- a/lib/unistr/u8-mbtouc.c
+++ b/lib/unistr/u8-mbtouc.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-8 string.
-   Copyright (C) 1999-2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999-2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2001.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-mbtoucr.c b/lib/unistr/u8-mbtoucr.c
index 45785c0..2624603 100644
--- a/lib/unistr/u8-mbtoucr.c
+++ b/lib/unistr/u8-mbtoucr.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-8 string, returning an error code.
-   Copyright (C) 1999-2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999-2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2001.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-move.c b/lib/unistr/u8-move.c
index 2919068..23ecf20 100644
--- a/lib/unistr/u8-move.c
+++ b/lib/unistr/u8-move.c
@@ -1,5 +1,5 @@
 /* Copy piece of UTF-8 string.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-next.c b/lib/unistr/u8-next.c
index 9839cc9..8a3224d 100644
--- a/lib/unistr/u8-next.c
+++ b/lib/unistr/u8-next.c
@@ -1,5 +1,5 @@
 /* Iterate over next character in UTF-8 string.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-prev.c b/lib/unistr/u8-prev.c
index bdd7fb9..fb091e8 100644
--- a/lib/unistr/u8-prev.c
+++ b/lib/unistr/u8-prev.c
@@ -1,5 +1,5 @@
 /* Iterate over previous character in UTF-8 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-set.c b/lib/unistr/u8-set.c
index 9bc2c16..29098aa 100644
--- a/lib/unistr/u8-set.c
+++ b/lib/unistr/u8-set.c
@@ -1,5 +1,5 @@
 /* Fill UTF-8 string.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-startswith.c b/lib/unistr/u8-startswith.c
index 342acf7..1c32cce 100644
--- a/lib/unistr/u8-startswith.c
+++ b/lib/unistr/u8-startswith.c
@@ -1,5 +1,5 @@
 /* Substring test for UTF-8 strings.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-stpcpy.c b/lib/unistr/u8-stpcpy.c
index 2079fab..07ebfed 100644
--- a/lib/unistr/u8-stpcpy.c
+++ b/lib/unistr/u8-stpcpy.c
@@ -1,5 +1,5 @@
 /* Copy UTF-8 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 /* Ensure stpcpy() gets declared.  */
 #ifndef _GNU_SOURCE
diff --git a/lib/unistr/u8-stpncpy.c b/lib/unistr/u8-stpncpy.c
index b1b4fae..d34c1f2 100644
--- a/lib/unistr/u8-stpncpy.c
+++ b/lib/unistr/u8-stpncpy.c
@@ -1,5 +1,5 @@
 /* Copy UTF-8 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 /* Ensure stpncpy() gets declared.  */
 #ifndef _GNU_SOURCE
diff --git a/lib/unistr/u8-strcat.c b/lib/unistr/u8-strcat.c
index 33886f5..1ff5646 100644
--- a/lib/unistr/u8-strcat.c
+++ b/lib/unistr/u8-strcat.c
@@ -1,5 +1,5 @@
 /* Concatenate UTF-8 strings.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strchr.c b/lib/unistr/u8-strchr.c
index 82718f1..6a5776b 100644
--- a/lib/unistr/u8-strchr.c
+++ b/lib/unistr/u8-strchr.c
@@ -1,5 +1,5 @@
 /* Search character in UTF-8 string.
-   Copyright (C) 1999, 2002, 2006-2007, 2009-2016 Free Software Foundation,
+   Copyright (C) 1999, 2002, 2006-2007, 2009-2017 Free Software Foundation,
    Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strcmp.c b/lib/unistr/u8-strcmp.c
index eab054a..df08172 100644
--- a/lib/unistr/u8-strcmp.c
+++ b/lib/unistr/u8-strcmp.c
@@ -1,5 +1,5 @@
 /* Compare UTF-8 strings.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strcoll.c b/lib/unistr/u8-strcoll.c
index 9024e2c..7cc79a0 100644
--- a/lib/unistr/u8-strcoll.c
+++ b/lib/unistr/u8-strcoll.c
@@ -1,5 +1,5 @@
 /* Compare UTF-8 strings using the collation rules of the current locale.
-   Copyright (C) 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2009.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strcpy.c b/lib/unistr/u8-strcpy.c
index 149aa08..23a2fdc 100644
--- a/lib/unistr/u8-strcpy.c
+++ b/lib/unistr/u8-strcpy.c
@@ -1,5 +1,5 @@
 /* Copy UTF-8 string.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strcspn.c b/lib/unistr/u8-strcspn.c
index a053613..dca5639 100644
--- a/lib/unistr/u8-strcspn.c
+++ b/lib/unistr/u8-strcspn.c
@@ -1,5 +1,5 @@
 /* Search for some characters in UTF-8 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strdup.c b/lib/unistr/u8-strdup.c
index ec9141a..2305bbe 100644
--- a/lib/unistr/u8-strdup.c
+++ b/lib/unistr/u8-strdup.c
@@ -1,5 +1,5 @@
 /* Copy UTF-8 string.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strlen.c b/lib/unistr/u8-strlen.c
index 36aef7d..d4a8de6 100644
--- a/lib/unistr/u8-strlen.c
+++ b/lib/unistr/u8-strlen.c
@@ -1,5 +1,5 @@
 /* Determine length of UTF-8 string.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strmblen.c b/lib/unistr/u8-strmblen.c
index 7941232..1e39ac8 100644
--- a/lib/unistr/u8-strmblen.c
+++ b/lib/unistr/u8-strmblen.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-8 string.
-   Copyright (C) 1999-2000, 2002, 2006-2007, 2009-2016 Free Software
+   Copyright (C) 1999-2000, 2002, 2006-2007, 2009-2017 Free Software
    Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strmbtouc.c b/lib/unistr/u8-strmbtouc.c
index da70d71..0a114f0 100644
--- a/lib/unistr/u8-strmbtouc.c
+++ b/lib/unistr/u8-strmbtouc.c
@@ -1,5 +1,5 @@
 /* Look at first character in UTF-8 string.
-   Copyright (C) 1999-2000, 2002, 2006-2007, 2009-2016 Free Software
+   Copyright (C) 1999-2000, 2002, 2006-2007, 2009-2017 Free Software
    Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strncat.c b/lib/unistr/u8-strncat.c
index bbc7874..359a6f0 100644
--- a/lib/unistr/u8-strncat.c
+++ b/lib/unistr/u8-strncat.c
@@ -1,5 +1,5 @@
 /* Concatenate UTF-8 strings.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strncmp.c b/lib/unistr/u8-strncmp.c
index 391eb51..5d63a00 100644
--- a/lib/unistr/u8-strncmp.c
+++ b/lib/unistr/u8-strncmp.c
@@ -1,5 +1,5 @@
 /* Compare UTF-8 strings.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strncpy.c b/lib/unistr/u8-strncpy.c
index e774b52..585039a 100644
--- a/lib/unistr/u8-strncpy.c
+++ b/lib/unistr/u8-strncpy.c
@@ -1,5 +1,5 @@
 /* Copy UTF-8 string.
-   Copyright (C) 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strnlen.c b/lib/unistr/u8-strnlen.c
index b176c0e..9309eca 100644
--- a/lib/unistr/u8-strnlen.c
+++ b/lib/unistr/u8-strnlen.c
@@ -1,5 +1,5 @@
 /* Determine bounded length of UTF-8 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 /* Ensure strnlen() gets declared.  */
 #ifndef _GNU_SOURCE
diff --git a/lib/unistr/u8-strpbrk.c b/lib/unistr/u8-strpbrk.c
index 69d19ec..5b72171 100644
--- a/lib/unistr/u8-strpbrk.c
+++ b/lib/unistr/u8-strpbrk.c
@@ -1,5 +1,5 @@
 /* Search for some characters in UTF-8 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strrchr.c b/lib/unistr/u8-strrchr.c
index be07f9b..9a188b7 100644
--- a/lib/unistr/u8-strrchr.c
+++ b/lib/unistr/u8-strrchr.c
@@ -1,5 +1,5 @@
 /* Search character in UTF-8 string.
-   Copyright (C) 1999, 2002, 2006-2007, 2009-2016 Free Software Foundation,
+   Copyright (C) 1999, 2002, 2006-2007, 2009-2017 Free Software Foundation,
    Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
@@ -23,7 +23,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strspn.c b/lib/unistr/u8-strspn.c
index 07ac00c..478b3ff 100644
--- a/lib/unistr/u8-strspn.c
+++ b/lib/unistr/u8-strspn.c
@@ -1,5 +1,5 @@
 /* Search for some characters in UTF-8 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strstr.c b/lib/unistr/u8-strstr.c
index 8fd1a74..6d103ac 100644
--- a/lib/unistr/u8-strstr.c
+++ b/lib/unistr/u8-strstr.c
@@ -1,5 +1,5 @@
 /* Substring test for UTF-8 strings.
-   Copyright (C) 1999, 2002, 2006, 2010-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2010-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-strtok.c b/lib/unistr/u8-strtok.c
index 976e2c3..3a2b47d 100644
--- a/lib/unistr/u8-strtok.c
+++ b/lib/unistr/u8-strtok.c
@@ -1,5 +1,5 @@
 /* Tokenize UTF-8 string.
-   Copyright (C) 1999, 2002, 2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2002, 2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-to-u16.c b/lib/unistr/u8-to-u16.c
index e27b5d5..b260372 100644
--- a/lib/unistr/u8-to-u16.c
+++ b/lib/unistr/u8-to-u16.c
@@ -1,5 +1,5 @@
 /* Convert UTF-8 string to UTF-16 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-to-u32.c b/lib/unistr/u8-to-u32.c
index 8d2b1ef..2788df9 100644
--- a/lib/unistr/u8-to-u32.c
+++ b/lib/unistr/u8-to-u32.c
@@ -1,5 +1,5 @@
 /* Convert UTF-8 string to UTF-32 string.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/lib/unistr/u8-uctomb-aux.c b/lib/unistr/u8-uctomb-aux.c
index 14326e5..2d5c45f 100644
--- a/lib/unistr/u8-uctomb-aux.c
+++ b/lib/unistr/u8-uctomb-aux.c
@@ -1,5 +1,5 @@
 /* Conversion UCS-4 to UTF-8.
-   Copyright (C) 2002, 2006-2007, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2006-2007, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,13 +22,21 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
 /* Specification.  */
 #include "unistr.h"
 
+#ifndef FALLTHROUGH
+# if __GNUC__ < 7
+#  define FALLTHROUGH ((void) 0)
+# else
+#  define FALLTHROUGH __attribute__ ((__fallthrough__))
+# endif
+#endif
+
 int
 u8_uctomb_aux (uint8_t *s, ucs4_t uc, int n)
 {
@@ -57,9 +65,9 @@ u8_uctomb_aux (uint8_t *s, ucs4_t uc, int n)
   switch (count) /* note: code falls through cases! */
     {
     case 4: s[3] = 0x80 | (uc & 0x3f); uc = uc >> 6; uc |= 0x10000;
-      /* fallthrough */
+      FALLTHROUGH;
     case 3: s[2] = 0x80 | (uc & 0x3f); uc = uc >> 6; uc |= 0x800;
-      /* fallthrough */
+      FALLTHROUGH;
     case 2: s[1] = 0x80 | (uc & 0x3f); uc = uc >> 6; uc |= 0xc0;
   /*case 1:*/ s[0] = uc;
     }
diff --git a/lib/unistr/u8-uctomb.c b/lib/unistr/u8-uctomb.c
index 26857a5..4cd9beb 100644
--- a/lib/unistr/u8-uctomb.c
+++ b/lib/unistr/u8-uctomb.c
@@ -1,5 +1,5 @@
 /* Store a character in UTF-8 string.
-   Copyright (C) 2002, 2005-2006, 2009-2016 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2005-2006, 2009-2017 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2002.
 
    This program is free software: you can redistribute it and/or
@@ -22,7 +22,7 @@
    Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>