Update URLs to prefer https: to http:

Also, fix a few http: URLs that were no longer working.

31 files changed, 62 insertions, 62 deletions

diff --git a/tests/actions.at b/tests/actions.at
index 9039cc2d..a973dc89 100644
--- a/tests/actions.at
+++ b/tests/actions.at
@@ -13,7 +13,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[User Actions.]])
 
@@ -374,7 +374,7 @@ AT_TEST([glr.cc])
 
 ## A very different test, based on PostgreSQL's implementation of the
 ## locations.  See
-## http://lists.gnu.org/archive/html/bug-bison/2012-11/msg00023.html
+## https://lists.gnu.org/r/bug-bison/2012-11/msg00023.html
 ##
 ## Weirdly enough, to trigger the warning with GCC 4.7, we must not
 ## use fprintf, so run the test twice: once to check the warning
@@ -1307,9 +1307,9 @@ AT_SETUP([Default %printer and %destructor for user-defined end token])
 # does not declare a specific %printer/%destructor.  Thus, the parser
 # uses it for token 0 if the user declares it but not if Bison
 # generates it as $end.  Discussed starting at
-# <http://lists.gnu.org/r/bison-patches/2006-02/msg00064.html>,
-# <http://lists.gnu.org/r/bison-patches/2006-06/msg00091.html>, and
-# <http://lists.gnu.org/r/bison-patches/2006-07/msg00019.html>.
+# <https://lists.gnu.org/r/bison-patches/2006-02/msg00064.html>,
+# <https://lists.gnu.org/r/bison-patches/2006-06/msg00091.html>, and
+# <https://lists.gnu.org/r/bison-patches/2006-07/msg00019.html>.
 
 # AT_TEST(TYPED)
 # --------------
diff --git a/tests/atlocal.in b/tests/atlocal.in
index 2642de9f..d5f31cbb 100644
--- a/tests/atlocal.in
+++ b/tests/atlocal.in
@@ -14,7 +14,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 # We need 'testsuite.h' (srcdir/test).
 CPPFLAGS="-I$abs_top_srcdir/tests @CPPFLAGS@"
@@ -66,7 +66,7 @@ fi
 # cannot be checked in configure (gnulib is not parameterized yet),
 # and checking this in every C++ test in AC_COMPILE_CXX is too costly.
 #
-# http://lists.gnu.org/archive/html/bug-bison/2013-06/msg00001.html
+# https://lists.gnu.org/r/bug-bison/2013-06/msg00001.html
 #
 # FIXME: Check (say 2014) whether this is still needed.
 if $BISON_CXX_WORKS; then
diff --git a/tests/bison.in b/tests/bison.in
index e9f761e3..80003aca 100644
--- a/tests/bison.in
+++ b/tests/bison.in
@@ -15,7 +15,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 abs_top_srcdir='@abs_top_srcdir@'
 abs_top_builddir='@abs_top_builddir@'
diff --git a/tests/c++.at b/tests/c++.at
index c86621bf..f03a62ac 100644
--- a/tests/c++.at
+++ b/tests/c++.at
@@ -14,7 +14,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[C++ Features.]])
 
@@ -74,7 +74,7 @@ main (void)
                            fail += check (loc - 5, "foo.txt:1.1");
   loc -= 5;                fail += check (loc, "foo.txt:1.1");
   // Check that we don't go below.
-  // http://lists.gnu.org/archive/html/bug-bison/2013-02/msg00000.html
+  // https://lists.gnu.org/r/bug-bison/2013-02/msg00000.html
   loc -= 10;         fail += check (loc, "foo.txt:1.1");
 
   loc.columns (10); loc.lines (10); fail += check (loc, "foo.txt:1.1-11.0");
@@ -437,7 +437,7 @@ namespace yy
   {
     // The 5 is a syntax error whose recovery requires that we discard
     // the lookahead.  This tests a regression, see
-    // <http://savannah.gnu.org/support/?108481>.
+    // <https://savannah.gnu.org/support/?108481>.
     static char const *input = "0,1,2,3,45,6";
     switch (int stage = *input++)
     {
@@ -583,7 +583,7 @@ m4_popdef([AT_TEST])
 
 AT_SETUP([Variants and Typed Midrule Actions])
 
-# See http://lists.gnu.org/archive/html/bug-bison/2017-06/msg00000.html.
+# See https://lists.gnu.org/r/bug-bison/2017-06/msg00000.html.
 #
 # Check that typed midrule actions behave properly (pre-construction
 # of $$ before the user action, support of %printer and %destructor,
diff --git a/tests/calc.at b/tests/calc.at
index cfc9f08f..bf7752f7 100644
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -13,7 +13,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 ## ---------------------------------------------------- ##
 ## Compile the grammar described in the documentation.  ##
diff --git a/tests/conflicts.at b/tests/conflicts.at
index 62f7535a..704e494d 100644
--- a/tests/conflicts.at
+++ b/tests/conflicts.at
@@ -14,7 +14,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Conflicts.]])
 
diff --git a/tests/counterexample.at b/tests/counterexample.at
index 1553e8cb..a321072f 100644
--- a/tests/counterexample.at
+++ b/tests/counterexample.at
@@ -13,7 +13,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Counterexamples.]])
 
diff --git a/tests/cxx-type.at b/tests/cxx-type.at
index 5b6db0fa..8a341af5 100644
--- a/tests/cxx-type.at
+++ b/tests/cxx-type.at
@@ -13,7 +13,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[C++ Type Syntax (GLR).]])
 
diff --git a/tests/diagnostics.at b/tests/diagnostics.at
index 5a000c34..91da4aab 100644
--- a/tests/diagnostics.at
+++ b/tests/diagnostics.at
@@ -13,7 +13,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Diagnostics.]])
 
@@ -297,7 +297,7 @@ input.y: <warning>warning:</warning> fix-its can be applied.  Rerun with option
 ## --------------- ##
 
 # Don't try to quote special files.
-# http://lists.gnu.org/archive/html/bug-bison/2019-04/msg00000.html
+# https://lists.gnu.org/r/bug-bison/2019-04/msg00000.html
 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90034
 
 AT_TEST([[Special files]],
@@ -652,7 +652,7 @@ m4_popdef([AT_TEST])
 
 AT_SETUP([[Indentation with message suppression]])
 
-# https://lists.gnu.org/archive/html/bug-bison/2019-08/msg00002.html
+# https://lists.gnu.org/r/bug-bison/2019-08/msg00002.html
 
 AT_DATA([[input.y]],
 [[%define api.pure
diff --git a/tests/existing.at b/tests/existing.at
index d306c33d..280a7547 100644
--- a/tests/existing.at
+++ b/tests/existing.at
@@ -14,7 +14,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Existing Grammars.]])
 
@@ -414,7 +414,7 @@ dnl expression before shifting '*'.  However, because of a different LHS on the
 dnl getline rule, '*' actually is a valid lookahead.  Solaris /usr/xpg4/bin/awk
 dnl and the Open Group awk specification seem to agree:
 dnl
-dnl   http://www.opengroup.org/pubs/online/7908799/xcu/awk.html
+dnl   https://pubs.opengroup.org/onlinepubs/9699919799/utilities/awk.html
 dnl
 dnl /bin/nawk and /bin/awk on Solaris 10 report it as a syntax error, but they
 dnl don't like even 'print $!4;'.
diff --git a/tests/glr-regression.at b/tests/glr-regression.at
index d164e072..a5e08df8 100644
--- a/tests/glr-regression.at
+++ b/tests/glr-regression.at
@@ -14,7 +14,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[GLR Regression Tests]])
 
@@ -367,7 +367,7 @@ AT_CLEANUP
 
 ## ---------------------------------------------------------------------- ##
 ## Duplicate representation of merged trees.  See                         ##
-## <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00013.html>.  ##
+## <https://lists.gnu.org/r/help-bison/2005-07/msg00013.html>.            ##
 ## ---------------------------------------------------------------------- ##
 
 AT_SETUP([Duplicate representation of merged trees])
@@ -460,7 +460,7 @@ AT_CLEANUP
 
 ## ------------------------------------------------------------------------- ##
 ## User destructor for unresolved GLR semantic value.  See                   ##
-## <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00016.html>.  ##
+## <https://lists.gnu.org/r/bison-patches/2005-08/msg00016.html>.            ##
 ## ------------------------------------------------------------------------- ##
 
 AT_SETUP([User destructor for unresolved GLR semantic value])
@@ -518,7 +518,7 @@ AT_CLEANUP
 
 ## ------------------------------------------------------------------------- ##
 ## User destructor after an error during a split parse.  See                 ##
-## <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00029.html>.  ##
+## <https://lists.gnu.org/r/bison-patches/2005-08/msg00029.html>.            ##
 ## ------------------------------------------------------------------------- ##
 
 AT_SETUP([User destructor after an error during a split parse])
@@ -570,7 +570,7 @@ AT_CLEANUP
 
 ## ------------------------------------------------------------------------- ##
 ## Duplicated user destructor for lookahead.  See                            ##
-## <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00035.html>.  ##
+## <https://lists.gnu.org/r/bison-patches/2005-08/msg00035.html>.            ##
 ## ------------------------------------------------------------------------- ##
 
 AT_SETUP([Duplicated user destructor for lookahead])
@@ -660,8 +660,8 @@ AT_CLEANUP
 ## ------------------------------------------------------------------------- ##
 ## Incorrect default location for empty right-hand sides.  Adapted from bug  ##
 ## report by Claudia Hermann.                                                ##
-## See http://lists.gnu.org/archive/html/bug-bison/2005-10/msg00069.html and ##
-## http://lists.gnu.org/archive/html/bug-bison/2005-10/msg00072.html         ##
+## See https://lists.gnu.org/r/bug-bison/2005-10/msg00069.html and           ##
+## https://lists.gnu.org/r/bug-bison/2005-10/msg00072.html                   ##
 ## ------------------------------------------------------------------------- ##
 
 AT_SETUP([Incorrectly initialized location for empty right-hand side in GLR])
@@ -752,7 +752,7 @@ AT_CLEANUP
 
 ## ------------------------------------------------------------------------- ##
 ## No users destructors if stack 0 deleted.  See                             ##
-## <http://lists.gnu.org/archive/html/bison-patches/2005-09/msg00109.html>.  ##
+## <https://lists.gnu.org/r/bison-patches/2005-09/msg00109.html>.            ##
 ## ------------------------------------------------------------------------- ##
 
 AT_SETUP([No users destructors if stack 0 deleted])
@@ -1071,8 +1071,8 @@ AT_CLEANUP
 
 ## ------------------------------------------------------------------------- ##
 ## Incorrect lookahead during deterministic GLR.  See                        ##
-## <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00017.html> and  ##
-## <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00060.html>.  ##
+## <https://lists.gnu.org/r/help-bison/2005-07/msg00017.html> and            ##
+## <https://lists.gnu.org/r/bison-patches/2006-01/msg00060.html>.            ##
 ## ------------------------------------------------------------------------- ##
 
 AT_SETUP([Incorrect lookahead during deterministic GLR])
@@ -1800,8 +1800,8 @@ AT_CLEANUP
 ## ----------------------------------------------------------------- ##
 ## Predicates.                                                       ##
 ##                                                                   ##
-## http://lists.gnu.org/archive/html/bug-bison/2013-10/msg00004.html ##
-## http://lists.gnu.org/archive/html/bug-bison/2018-05/msg00033.html ##
+## https://lists.gnu.org/r/bug-bison/2013-10/msg00004.html           ##
+## https://lists.gnu.org/r/bug-bison/2018-05/msg00033.html           ##
 ## ----------------------------------------------------------------- ##
 
 AT_SETUP([Predicates])
diff --git a/tests/headers.at b/tests/headers.at
index ee5f457e..6324148f 100644
--- a/tests/headers.at
+++ b/tests/headers.at
@@ -14,7 +14,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Parser Headers.]])
 
diff --git a/tests/input.at b/tests/input.at
index 0be322ef..35a2d0a1 100644
--- a/tests/input.at
+++ b/tests/input.at
@@ -13,7 +13,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Input Processing.]])
 
@@ -38,7 +38,7 @@ Try 'bison --help' for more information.
 
 # For some reason, on some systems we use the system's getopt, not the
 # one we ship in gnulib.  So we can get two different error messages.
-# See https://lists.gnu.org/archive/html/bison-patches/2018-10/msg00154.html
+# See https://lists.gnu.org/r/bison-patches/2018-10/msg00154.html
 AT_BISON_CHECK([--skeleton], [1], [], [stderr])
 AT_CHECK([[sed -e \
   "s/requires an argument -- skeleton/'--skeleton' requires an argument/" \
@@ -142,7 +142,7 @@ AT_CLEANUP
 AT_SETUP([Invalid inputs with {}])
 
 # We used to SEGV here.  See
-# http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html
+# https://lists.gnu.org/r/bug-bison/2005-07/msg00053.html
 
 AT_DATA([input.y],
 [[
diff --git a/tests/java.at b/tests/java.at
index 54fb50d5..c72ba653 100644
--- a/tests/java.at
+++ b/tests/java.at
@@ -13,7 +13,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Java Calculator.]])
 
diff --git a/tests/javapush.at b/tests/javapush.at
index db49fbdc..70915bca 100644
--- a/tests/javapush.at
+++ b/tests/javapush.at
@@ -13,7 +13,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 # The Java push parser tests are intended primarily
 # to verify that the sequence of states that the parser
diff --git a/tests/local.at b/tests/local.at
index d8b003bf..f5523499 100644
--- a/tests/local.at
+++ b/tests/local.at
@@ -15,7 +15,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 m4_version_prereq([2.58])
 
@@ -65,7 +65,7 @@ m4_define([AT_SETUP_STRIP],
 #
 # FIXME: AT_DATA or some variant of AT_DATA may eventually permit
 # the final newline to be omitted.  See the threads starting at
-# <http://lists.gnu.org/archive/html/bison-patches/2009-07/msg00019.html>.
+# <https://lists.gnu.org/r/bison-patches/2009-07/msg00019.html>.
 m4_define([AT_DATA_NO_FINAL_EOL],
 [AT_DATA([$1], [$2
 ])
diff --git a/tests/local.mk b/tests/local.mk
index 8c1c0bd7..4a936d59 100644
--- a/tests/local.mk
+++ b/tests/local.mk
@@ -13,7 +13,7 @@
 ## GNU General Public License for more details.
 ##
 ## You should have received a copy of the GNU 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/>.
 
 EXTRA_DIST += %D%/linear $(TESTSUITE_AT) %D%/testsuite %D%/testsuite.h
 
diff --git a/tests/m4.at b/tests/m4.at
index d6cb176d..7a4a2af0 100644
--- a/tests/m4.at
+++ b/tests/m4.at
@@ -13,7 +13,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[M4 Macros.]])
 
diff --git a/tests/named-refs.at b/tests/named-refs.at
index 111436c1..07ce433f 100644
--- a/tests/named-refs.at
+++ b/tests/named-refs.at
@@ -13,7 +13,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 # FIXME: Duplication with calc.at.
 AT_BANNER([[Named references tests.]])
diff --git a/tests/output.at b/tests/output.at
index 8f405cb9..9feb5906 100644
--- a/tests/output.at
+++ b/tests/output.at
@@ -14,7 +14,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Output file names.]])
 
diff --git a/tests/push.at b/tests/push.at
index 960a4e3b..cd3e113e 100644
--- a/tests/push.at
+++ b/tests/push.at
@@ -14,7 +14,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Push Parsing Tests]])
 
diff --git a/tests/reduce.at b/tests/reduce.at
index 1f3934d1..eb4fca6a 100644
--- a/tests/reduce.at
+++ b/tests/reduce.at
@@ -14,7 +14,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Grammar Reduction.]])
 
@@ -228,7 +228,7 @@ AT_SETUP([Useless Parts])
 # symbols.  As a result, the evaluation of the skeleton failed because
 # it used non existing symbol numbers.  Which is the happy scenario:
 # we could use numbers of other existing symbols...
-# http://lists.gnu.org/archive/html/bug-bison/2019-01/msg00044.html
+# https://lists.gnu.org/r/bug-bison/2019-01/msg00044.html
 
 AT_BISON_OPTION_PUSHDEFS
 AT_DATA([[input.y]],
diff --git a/tests/regression.at b/tests/regression.at
index ef7e7e93..1e3f5ddf 100644
--- a/tests/regression.at
+++ b/tests/regression.at
@@ -13,7 +13,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Regression tests.]])
 
diff --git a/tests/report.at b/tests/report.at
index 889791b0..36a1fcc6 100644
--- a/tests/report.at
+++ b/tests/report.at
@@ -13,7 +13,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Test reports.]])
 
@@ -1148,7 +1148,7 @@ if test x"$XSLTPROC" != x""; then
   AT_CHECK([cat input.html], [],
 [[<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" xmlns:bison="http://www.gnu.org/software/bison/">
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:bison="https://www.gnu.org/software/bison/">
   <head>
     <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
     <title>input.yy - GNU Bison XML Automaton Report</title>
@@ -1496,7 +1496,7 @@ if test x"$XSLTPROC" != x""; then
 </p>
 
 <div id="footer"><hr />This document was generated using
-      <a href="http://www.gnu.org/software/bison/" title="GNU Bison">
+      <a href="https://www.gnu.org/software/bison/" title="GNU Bison">
       GNU Bison VERSION</a>
       XML Automaton Report.<br />
       Verbatim copying and distribution of this entire page is
@@ -2166,7 +2166,7 @@ if test x"$XSLTPROC" != x""; then
   AT_CHECK([cat input.html], [],
 [[<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" xmlns:bison="http://www.gnu.org/software/bison/">
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:bison="https://www.gnu.org/software/bison/">
   <head>
     <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
     <title>input.y - GNU Bison XML Automaton Report</title>
@@ -2384,7 +2384,7 @@ if test x"$XSLTPROC" != x""; then
 </p>
 
 <div id="footer"><hr />This document was generated using
-      <a href="http://www.gnu.org/software/bison/" title="GNU Bison">
+      <a href="https://www.gnu.org/software/bison/" title="GNU Bison">
       GNU Bison VERSION</a>
       XML Automaton Report.<br />
       Verbatim copying and distribution of this entire page is
diff --git a/tests/scanner.at b/tests/scanner.at
index b74dbb99..b6f97606 100644
--- a/tests/scanner.at
+++ b/tests/scanner.at
@@ -13,7 +13,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Interface with the scanner.]])
 
diff --git a/tests/sets.at b/tests/sets.at
index 05bad22a..aeba435e 100644
--- a/tests/sets.at
+++ b/tests/sets.at
@@ -14,7 +14,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 
 AT_BANNER([[Grammar Sets (Firsts etc.).]])
@@ -275,7 +275,7 @@ AT_SETUP([Build relations])
 # So we can "register" way more images than ngotos, leading to a crash
 # (heap buffer overflow).
 #
-# http://lists.gnu.org/archive/html/bug-bison/2019-03/msg00007.html
+# https://lists.gnu.org/r/bug-bison/2019-03/msg00007.html
 
 AT_DATA([input.y],
 [[%%
diff --git a/tests/skeletons.at b/tests/skeletons.at
index da81cf5d..0ed11027 100644
--- a/tests/skeletons.at
+++ b/tests/skeletons.at
@@ -14,7 +14,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Skeleton Support.]])
 
diff --git a/tests/synclines.at b/tests/synclines.at
index 5ffaee3a..5f5577a4 100644
--- a/tests/synclines.at
+++ b/tests/synclines.at
@@ -14,7 +14,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Sync Lines.]])
 
diff --git a/tests/testsuite.at b/tests/testsuite.at
index 76ae47a5..b1c56a49 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -14,7 +14,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 # Basic M4 macros.
 m4_include([m4.at])
diff --git a/tests/torture.at b/tests/torture.at
index 47fbc539..9afc0856 100644
--- a/tests/torture.at
+++ b/tests/torture.at
@@ -14,7 +14,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Torture Tests.]])
 
diff --git a/tests/types.at b/tests/types.at
index cb7c2327..e8ae06b5 100644
--- a/tests/types.at
+++ b/tests/types.at
@@ -13,7 +13,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU 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/>.
 
 AT_BANNER([[Value type tests.]])