; Prefer https to http in more URLs

These were all tested and confirmed working.

60 files changed, 134 insertions, 134 deletions

diff --git a/ChangeLog.2 b/ChangeLog.2
index ebaf3846dca..5e9b8b901e0 100644
--- a/ChangeLog.2
+++ b/ChangeLog.2
@@ -9269,7 +9269,7 @@
 
         This is related to the autogen.sh changes made by Paul Eggert in
         commit d766ca8f (2016-02-01) and commit cedd7cad (2016-02-01), and to
-        my edits today to http://www.emacswiki.org/emacs/GitForEmacsDevs and
+        my edits today to https://www.emacswiki.org/emacs/GitForEmacsDevs and
         to emacswiki.org/emacs/GitQuickStartForEmacsDevs.  See also the thread
         "Recommend these .gitconfig settings for git integrity." at
         https://lists.gnu.org/r/emacs-devel/2016-01/threads.html#01802.
@@ -13444,7 +13444,7 @@
         (gdb-send): Recognize various ways of exiting from Python and
         Guile interpreters and returning to GDB.  For details, see
         https://lists.gnu.org/r/emacs-devel/2015-12/msg00693.html
-        and http://stackoverflow.com/questions/31514741.
+        and https://stackoverflow.com/questions/31514741.
 
 2015-12-16  Paul Eggert  <eggert@cs.ucla.edu>
 
@@ -23731,7 +23731,7 @@
 
         * lisp/progmodes/etags.el (etags-tags-completion-table):
         Allow even one non-regular character before the implicit tag name.
-        Reported at http://emacs.stackexchange.com/questions/15269/.
+        Reported at https://emacs.stackexchange.com/questions/15269/.
 
 2015-09-06  Thomas Fitzsimmons  <fitzsim@fitzsim.org>
 
diff --git a/ChangeLog.3 b/ChangeLog.3
index ec2d3f8d462..0f363100794 100644
--- a/ChangeLog.3
+++ b/ChangeLog.3
@@ -44031,8 +44031,8 @@
         * src/marker.c (buf_bytepos_to_charpos): Remove the assertion
         regarding bytepos always at the head byte of a multibyte
         sequence.  For the reasons, see
-        http://lists.gnu.org/archive/html/emacs-devel/2019-03/msg00100.html
-        http://lists.gnu.org/archive/html/emacs-devel/2019-03/msg00102.html
+        https://lists.gnu.org/archive/html/emacs-devel/2019-03/msg00100.html
+        https://lists.gnu.org/archive/html/emacs-devel/2019-03/msg00102.html
 
 2019-03-05  Wilson Snyder  <wsnyder@wsnyder.org>
 
@@ -45541,7 +45541,7 @@
         * lisp/startup.el (command-line): Pass 'early-init.el', with
         an explicit .el extension, to load-user-init-file.
         Reported by Radon Rosborough <radon.neon@gmail.com> in
-        http://lists.gnu.org/archive/html/emacs-devel/2019-01/msg00314.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2019-01/msg00314.html.
 
 2019-02-15  Stefan Monnier  <monnier@iro.umontreal.ca>
 
@@ -50624,7 +50624,7 @@
         the correct directory in emacs_wd, which is now initialized
         way earlier in the startup process, when init_environment was
         not yet called.  For details, see the problems reported in
-        http://lists.gnu.org/archive/html/emacs-devel/2018-12/msg00068.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2018-12/msg00068.html.
         Reported by Angelo Graziosi <angelo.g0@libero.it>.
 
 2018-12-06  Juri Linkov  <juri@linkov.net>
@@ -52313,7 +52313,7 @@
 
         * lib-src/emacsclient.c (set_local_socket): Don't ignore socket
         ownership when run by root.
-        Ref: http://lists.gnu.org/r/emacs-devel/2018-11/msg00019.html
+        Ref: https://lists.gnu.org/r/emacs-devel/2018-11/msg00019.html
 
 2018-11-13  Eli Zaretskii  <eliz@gnu.org>
 
@@ -57139,7 +57139,7 @@
         alias for thai-iso8859-11.  Instead, reinstate the original
         definition of tis620-2533, but without eight-bit-control in
         the :superset attribute.  For the details, see
-        http://lists.gnu.org/archive/html/emacs-devel/2018-08/msg00117.html
+        https://lists.gnu.org/archive/html/emacs-devel/2018-08/msg00117.html
         and the surrounding discussions.
         * lisp/international/fontset.el (font-encoding-alist)
         (font-encoding-charset-alist): Reinstate tis620-2533 charset.
@@ -60017,7 +60017,7 @@
 
         * src/w32proc.c (syms_of_ntproc) <w32-pipe-read-delay>: Set to
         zero.  For the details, see this discussion:
-        http://lists.gnu.org/archive/html/emacs-devel/2018-06/msg00711.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2018-06/msg00711.html.
         * src/w32.c (_sys_read_ahead): Update the commentary for
         w32-pipe-read-delay usage.
 
@@ -62471,7 +62471,7 @@
 
         * lisp/subr.el (string-to-unibyte): No longer obsolete.  See the
         emacs-devel discussion around this message:
-        http://lists.gnu.org/archive/html/emacs-devel/2018-05/msg00656.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2018-05/msg00656.html.
 
         * etc/NEWS: Announce the change.
 
@@ -63512,7 +63512,7 @@
         * lisp/international/fontset.el (font-encoding-alist): Fix the
         GB18030 entry to encode characters correctly when passing them to
         the xfont back-end.  (Bug#31315)  See also
-        http://lists.gnu.org/archive/html/emacs-devel/2008-01/msg00754.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2008-01/msg00754.html.
 
 2018-05-04  Noam Postavsky  <npostavs@gmail.com>
 
@@ -65267,7 +65267,7 @@
         (eww-display-html): ... and don't get it here, because it's gone
         by now.
 
-        Test URL: http://www.gnu.org/s/hyperbole/#summary
+        Test URL: https://www.gnu.org/s/hyperbole/#summary
 
 2018-04-13  Robert Pluim  <rpluim@gmail.com>
 
@@ -70827,7 +70827,7 @@
         TO_CHARPOS, but didn't yet produce glyphs for that buffer
         position, because the last call to PRODUCE_GLYPHS at this position
         was for an object other than the buffer.  For further details, see
-        http://lists.gnu.org/archive/html/emacs-devel/2018-01/msg00537.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2018-01/msg00537.html.
 
 2018-01-19  Reuben Thomas  <rrt@sc3d.org>
 
@@ -80561,7 +80561,7 @@
 
         * configure.ac: Add -Wabi to the list of disabled warning
         options.  For the details, see
-        http://lists.gnu.org/archive/html/emacs-devel/2018-08/msg00123.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2018-08/msg00123.html.
 
 2018-08-10  Filipp Gunbin  <fgunbin@fastmail.fm>
 
@@ -80935,7 +80935,7 @@
 
         * lisp/emacs-lisp/rx.el (rx): Clarify and improve the doc string.
         For the details, see the discussion starting at
-        http://lists.gnu.org/archive/html/emacs-devel/2018-06/msg00399.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2018-06/msg00399.html.
 
 2018-07-19  Eli Zaretskii  <eliz@gnu.org>
 
@@ -81072,7 +81072,7 @@
         Improve documentation of Flyspell
 
         For the background, see
-        http://lists.gnu.org/archive/html/help-gnu-emacs/2018-07/msg00099.html.
+        https://lists.gnu.org/archive/html/help-gnu-emacs/2018-07/msg00099.html.
 
         * doc/emacs/fixit.texi (Spelling): Add a couple of caveats.
         * lisp/textmodes/flyspell.el: Update commentary.
@@ -81781,7 +81781,7 @@
 
         * lisp/info.el: Explain in commentary why some commands start with
         "info-" and others with "Info-".  See also
-        http://lists.gnu.org/archive/html/emacs-devel/2017-11/msg00482.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2017-11/msg00482.html.
 
 2018-06-13  Michael Albinus  <michael.albinus@gmx.de>
 
@@ -82336,7 +82336,7 @@
         * lisp/international/fontset.el (font-encoding-alist): Fix the
         GB18030 entry to encode characters correctly when passing them to
         the xfont back-end.  (Bug#31315)  See also
-        http://lists.gnu.org/archive/html/emacs-devel/2008-01/msg00754.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2008-01/msg00754.html.
 
         (cherry picked from commit bbe2cadc544e63e9378350621887f8fb9bbcc236)
 
@@ -82460,7 +82460,7 @@
         TO_CHARPOS, but didn't yet produce glyphs for that buffer
         position, because the last call to PRODUCE_GLYPHS at this position
         was for an object other than the buffer.  For further details, see
-        http://lists.gnu.org/archive/html/emacs-devel/2018-01/msg00537.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2018-01/msg00537.html.
 
         (cherry picked from commit c0154ac7c3423f68d8f3a2e85a756c9759219039)
 
@@ -83153,7 +83153,7 @@
         (Note for Novices):
         * doc/lispref/tips.texi (Key Binding Conventions): Fix use of
         @key.  For the details, see
-        http://lists.gnu.org/archive/html/emacs-devel/2018-04/msg00390.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2018-04/msg00390.html.
 
 2018-04-19  Eli Zaretskii  <eliz@gnu.org>
 
@@ -83239,7 +83239,7 @@
 
         * src/process.c (Fmake_pipe_process): Set up the decoding and
         encoding buffers.  For the details, see
-        http://lists.gnu.org/archive/html/emacs-devel/2018-04/msg00295.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2018-04/msg00295.html.
 
 2018-04-13  Robert Pluim  <rpluim@gmail.com>
 
@@ -84015,7 +84015,7 @@
         * doc/lispref/variables.texi (Local Variables): Make more clear
         that local bindings of 'let' are in effect only within the body.
         Suggested by Marcin Borkowski <mbork@mbork.pl>, see
-        http://lists.gnu.org/archive/html/emacs-devel/2018-03/msg00217.html
+        https://lists.gnu.org/archive/html/emacs-devel/2018-03/msg00217.html
         for the details.
 
         * doc/emacs/programs.texi (Matching): Fix a typo.  Reported by
@@ -85790,7 +85790,7 @@
 
         * doc/emacs/text.texi (Words): Improve wording.  Reported by
         Marcin Borkowski <mbork@mbork.pl> in
-        http://lists.gnu.org/archive/html/emacs-devel/2018-01/msg00784.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2018-01/msg00784.html.
 
 2018-01-28  Martin Rudalics  <rudalics@gmx.at>
 
@@ -86006,7 +86006,7 @@
 
         This is part two of a two part fix for the GTK scaling
         problems.  See the thread starting at
-        http://lists.gnu.org/archive/html/emacs-devel/2018-01/msg00372.html
+        https://lists.gnu.org/archive/html/emacs-devel/2018-01/msg00372.html
         for an explanation of why it has been added to Emacs 26.
 
         * src/gtkutil.c (xg_set_geometry): Scale down the coordinates that we
@@ -86019,7 +86019,7 @@
 
         This is part one of a two part fix for the GTK scaling
         problems.  See the thread starting at
-        http://lists.gnu.org/archive/html/emacs-devel/2018-01/msg00372.html
+        https://lists.gnu.org/archive/html/emacs-devel/2018-01/msg00372.html
         for an explanation of why it has been added to Emacs 26.
 
         * src/xfns.c (Fx_display_monitor_attributes_list): Take scaling factor
@@ -86163,7 +86163,7 @@
         being compiled is specified by an absolute file name.  This avoids
         problems with ACL copying from temporary-file-directory on
         FreeBSD.  For the details, see
-        http://lists.gnu.org/archive/html/emacs-devel/2018-01/msg00513.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2018-01/msg00513.html.
 
 2018-01-19  Eli Zaretskii  <eliz@gnu.org>
 
@@ -86356,7 +86356,7 @@
 
         * doc/lispref/variables.texi (File Local Variables): Mention the
         autoload cookie as a means of defining safe values for variables.
-        See http://lists.gnu.org/archive/html/emacs-devel/2018-01/msg00261.html
+        See https://lists.gnu.org/archive/html/emacs-devel/2018-01/msg00261.html
         for the details.
         * doc/lispref/compile.texi (Compiler Errors): Document
         'byte-compile-error-on-warn'.
@@ -86750,7 +86750,7 @@
         scroll-margin when scrolling down, i.e. moving window-start
         towards the beginning of the buffer.  Reported by zhang cc
         <ccsmile2008@outlook.com> in
-        http://lists.gnu.org/archive/html/emacs-devel/2017-12/msg00894.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2017-12/msg00894.html.
 
 2017-12-29  Eli Zaretskii  <eliz@gnu.org>
 
@@ -86991,7 +86991,7 @@
         Clarify what selecting a window means for keyboard input, and that
         input focus may need to be considered when selecting windows on
         other frames.  See
-        http://lists.gnu.org/archive/html/emacs-devel/2017-12/msg00372.html
+        https://lists.gnu.org/archive/html/emacs-devel/2017-12/msg00372.html
         for more details.
 
 2017-12-22  Eli Zaretskii  <eliz@gnu.org>
@@ -87530,7 +87530,7 @@
         * lisp/progmodes/prog-mode.el (prog-indentation-context):
         Un-document all elements but the first.
         (prog-widen): Remove.
-        (http://lists.gnu.org/archive/html/emacs-devel/2017-12/msg00321.html)
+        (https://lists.gnu.org/archive/html/emacs-devel/2017-12/msg00321.html)
 
         * doc/lispref/text.texi (Mode-Specific Indent): Update.
 
@@ -87675,7 +87675,7 @@
         Import the latest IVD_Sequences.txt
 
         * admin/unidata/IVD_Sequences.txt: New version from
-        http://www.unicode.org/ivd/, the 2017-12-12 version of the Unicode
+        https://www.unicode.org/ivd/, the 2017-12-12 version of the Unicode
         Ideographic Variation Database.
 
         * src/macuvs.h: Regenerated.
@@ -87989,7 +87989,7 @@
         * lisp/emacs-lisp/bytecomp.el (byte-compile-file): Pass basename
         of target-file to make-temp-file, in case target-file includes a
         leading directory that might not exist under TMPDIR.  See
-        http://lists.gnu.org/archive/html/emacs-devel/2017-11/msg00680.html
+        https://lists.gnu.org/archive/html/emacs-devel/2017-11/msg00680.html
         for the details.
 
 2017-12-02  Michael Albinus  <michael.albinus@gmx.de>
@@ -88670,7 +88670,7 @@
 
         * lisp/calc/calc-aent.el (math-read-token): Make sure the match
         against "0[xX][0-9a-fA-F]+" is found at math-exp-pos.  See
-        http://lists.gnu.org/archive/html/emacs-devel/2017-11/msg00174.html
+        https://lists.gnu.org/archive/html/emacs-devel/2017-11/msg00174.html
         for the details.
 
 2017-11-18  Eli Zaretskii  <eliz@gnu.org>
@@ -88984,7 +88984,7 @@
         * lisp/files.el (find-file, find-file-other-window)
         (find-file-other-frame): Mention file-name-at-point-functions in
         the doc string.  Reported by Florian Weimer <fw@deneb.enyo.de> in
-        http://lists.gnu.org/archive/html/emacs-devel/2017-11/msg00224.html.
+        https://lists.gnu.org/archive/html/emacs-devel/2017-11/msg00224.html.
 
         * doc/emacs/mini.texi (Minibuffer History): Document
         file-name-at-point-functions and its effect on M-n when typing
@@ -97350,7 +97350,7 @@
         Improve make-temp-file performance on local files
 
         For the motivation behind this patch, please see Bug#28023 and:
-        http://emacshorrors.com/posts/make-temp-name.html
+        https://emacshorrors.com/posts/make-temp-name.html
         Although, given the recent changes to Tramp, the related security
         problem in make-temp-file is already fixed, make-temp-file still has
         several unnecessary system calls.  In the typical case on GNU/Linux,
@@ -104823,7 +104823,7 @@
         Remove s_client usage from tls.el
 
         * lisp/net/tls.el (tls-program, tls-checktrust): Remove s_client.
-        Ref http://bugs.debian.org/766397
+        Ref https://bugs.debian.org/766397
         https://lists.gnu.org/r/emacs-devel/2014-10/msg00803.html
 
 
@@ -107262,7 +107262,7 @@
         Remove s_client usage from tls.el
 
         * lisp/net/tls.el (tls-program, tls-checktrust): Remove s_client.
-        Ref http://bugs.debian.org/766397
+        Ref https://bugs.debian.org/766397
         https://lists.gnu.org/r/emacs-devel/2014-10/msg00803.html
 
 2017-04-25  Glenn Morris  <rgm@gnu.org>
@@ -107708,7 +107708,7 @@
         * lisp/emacs-lisp/ert.el (ert--expand-should-1):
         Avoid errors related to undefined byte-compile-macro-environment.
         Somehow masked until very recently because loading seq (eg)
-        loads bytecomp.  http://hydra.nixos.org/build/51730765
+        loads bytecomp.  https://hydra.nixos.org/build/51730765
 
 2017-04-18  Eli Zaretskii  <eliz@gnu.org>
 
@@ -108380,7 +108380,7 @@
 
         * test/lisp/emacs-lisp/package-tests.el (with-package-test):
         Also bind package-gnupghome-dir, see eg
-        http://hydra.nixos.org/build/51462182 .
+        https://hydra.nixos.org/build/51462182 .
 
 2017-04-11  Martin Rudalics  <rudalics@gmx.at>
 
@@ -113197,7 +113197,7 @@
         The [5ec3a584: Generate upcase and downcase tables from Unicode data]
         commit broke bootstrap from a truly clean tree (e.g. a fresh clone or
         one created with ‘make extraclean’), see
-        <http://hydra.nixos.org/build/48774928>.
+        <https://hydra.nixos.org/build/48774928>.
 
         The failure was caused by characters.el trying to read Unicode
         property tables which aren’t available so early in the build process.
@@ -122075,7 +122075,7 @@
         Support zstd compressed files
 
         * lisp/jka-cmpr-hook.el (jka-compr-compression-info-list): Add
-        zstd compression info: <http://facebook.github.io/zstd/>.
+        zstd compression info: <https://facebook.github.io/zstd/>.
         (jka-compr-mode-alist-additions): Handle .tzst suffix for zstd
         compressed tar archives.  (Bug#24853)
 
diff --git a/admin/ChangeLog.1 b/admin/ChangeLog.1
index 7a576a03123..64c65bdd12c 100644
--- a/admin/ChangeLog.1
+++ b/admin/ChangeLog.1
@@ -1629,10 +1629,10 @@
 2010-09-05  Juanma Barranquero  <lekktu@gmail.com>
 
         * unidata/BidiMirroring.txt: Update from
-        http://www.unicode.org/Public/6.0.0/ucd/BidiMirroring-6.0.0d2.txt
+        https://www.unicode.org/Public/6.0.0/ucd/BidiMirroring-6.0.0d2.txt
 
         * unidata/UnicodeData.txt: Update from
-        http://www.unicode.org/Public/6.0.0/ucd/UnicodeData-6.0.0d7.txt
+        https://www.unicode.org/Public/6.0.0/ucd/UnicodeData-6.0.0d7.txt
 
 2010-08-09  Andreas Schwab  <schwab@linux-m68k.org>
 
@@ -1668,7 +1668,7 @@
         * unidata/bidimirror.awk: New file.
 
         * unidata/BidiMirroring.txt: New file from
-        http://www.unicode.org/Public/6.0.0/ucd/BidiMirroring-6.0.0d1.txt.
+        https://www.unicode.org/Public/6.0.0/ucd/BidiMirroring-6.0.0d1.txt.
 
         * unidata/Makefile.in (../../src/bidimirror.h): New target.
         (all): Depend on ../../src/biditype.h and ../../src/bidimirror.h.
@@ -1685,7 +1685,7 @@
 2010-06-09  Juanma Barranquero  <lekktu@gmail.com>
 
         * unidata/UnicodeData.txt: Update from
-        http://www.unicode.org/Public/6.0.0/ucd/UnicodeData-6.0.0d5.txt
+        https://www.unicode.org/Public/6.0.0/ucd/UnicodeData-6.0.0d5.txt
 
 2010-05-27  Glenn Morris  <rgm@gnu.org>
 
@@ -2031,7 +2031,7 @@
         * unidata/unidata-gen.el: New file.
 
         * unidata/UnicodeData.txt: New file.  Copied from
-        http://www.unicode.org on 2006-05-23.
+        https://www.unicode.org on 2006-05-23.
 
         * unidata/.cvsignore: New file.
 
diff --git a/admin/charsets/mapfiles/README b/admin/charsets/mapfiles/README
index fe1d07f4f98..c3205672d19 100644
--- a/admin/charsets/mapfiles/README
+++ b/admin/charsets/mapfiles/README
@@ -20,7 +20,7 @@ Available at:
 * PTCP154
 
 Available at:
-    <http://www.iana.org/assignments/charset-reg/PTCP154>
+    <https://www.iana.org/assignments/charset-reg/PTCP154>
 
 * Uni2JIS
 
@@ -50,8 +50,8 @@ Available at:
 * CP720.map and CP858.map
 
 Created manually by looking at these pages:
-    <http://en.wikipedia.org/wiki/Code_page_720>.
-    <http://en.wikipedia.org/wiki/Code_page_859>.
+    <https://en.wikipedia.org/wiki/Code_page_720>.
+    <https://en.wikipedia.org/wiki/Code_page_859>.
 The text in that page is under the terms of the GNU Free Documentation
 License.
 
diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi
index c3043423039..6fc8587fe52 100644
--- a/doc/lispref/display.texi
+++ b/doc/lispref/display.texi
@@ -8037,7 +8037,7 @@ positions do not increase monotonically with string or buffer
 position.  In performing this @dfn{bidirectional reordering}, Emacs
 follows the Unicode Bidirectional Algorithm (a.k.a.@: @acronym{UBA}),
 which is described in Annex #9 of the Unicode standard
-(@url{http://www.unicode.org/reports/tr9/}).  Emacs provides a ``Full
+(@url{https://www.unicode.org/reports/tr9/}).  Emacs provides a ``Full
 Bidirectionality'' class implementation of the @acronym{UBA},
 consistent with the requirements of the Unicode Standard v9.0.  Note,
 however, that the way Emacs displays continuation lines when text
diff --git a/doc/misc/efaq-w32.texi b/doc/misc/efaq-w32.texi
index bbfc86b111e..c875d58ef16 100644
--- a/doc/misc/efaq-w32.texi
+++ b/doc/misc/efaq-w32.texi
@@ -1188,9 +1188,9 @@ MS Windows, but this has still been insufficient to keep up with
 changes in printing technology from text and postscript based printers
 connected via ports that can be accessed directly, to graphical
 printers that are only accessible via USB@.  For details, see
-@uref{http://www.emacswiki.org/emacs/PrintingFromEmacs, Emacs
-Wiki}, @uref{http://www.emacswiki.org/emacs/PrintWithWebBrowser}, and
-@uref{http://www.emacswiki.org/emacs/PrintFromWindowsExplorer}.
+@uref{https://www.emacswiki.org/emacs/PrintingFromEmacs, Emacs
+Wiki}, @uref{https://www.emacswiki.org/emacs/PrintWithWebBrowser}, and
+@uref{https://www.emacswiki.org/emacs/PrintFromWindowsExplorer}.
 
 @c ------------------------------------------------------------
 @node Sub-processes
@@ -1414,7 +1414,7 @@ continue to use bash as your subshell:
 @cindex cygwin mount points, using within Emacs
 
 The package
-@uref{http://www.emacswiki.org/emacs/cygwin-mount.el,
+@uref{https://www.emacswiki.org/emacs/cygwin-mount.el,
 cygwin-mount.el} teaches Emacs about Cygwin mount points.
 
 @node Dired ls
@@ -1793,7 +1793,7 @@ do not need to add its installation directory to the @env{PATH}.
 @cindex Emacs distribution, checking digital signatures
 
 GNU Privacy Guard is a Free replacement for PGP, with Windows binaries
-available.  See @uref{http://www.gnupg.org/}.
+available.  See @uref{https://www.gnupg.org/}.
 
 @node Mouse wheel
 @section Why doesn't my wheel mouse work in Emacs?
@@ -2131,7 +2131,7 @@ suggestions} for improving the interaction of perldb and Emacs.
 @cindex subprocesses, cygwin tools
 @vindex exec-path
 
-@uref{http://www.cygwin.com/}.
+@uref{https://www.cygwin.com/}.
 
 Cygwin is a popular complete POSIX emulation environment for Windows.
 Most of its tools can be used with Emacs, and it covers a wide range
@@ -2281,7 +2281,7 @@ and you can view the FAQ by typing @kbd{C-h C-f}. Other resources include:
 @itemize
 @item @uref{https://www.gnu.org/software/emacs/, The Emacs homepage}
 @item @uref{https://www.gnu.org/software/emacs/manual/, Other Emacs manuals}
-@item @uref{http://www.emacswiki.org/, Emacs Wiki}
+@item @uref{https://www.emacswiki.org/, Emacs Wiki}
 @end itemize
 
 @node Mailing lists
diff --git a/doc/misc/efaq.texi b/doc/misc/efaq.texi
index e1b099edaab..1bc9d41f9bb 100644
--- a/doc/misc/efaq.texi
+++ b/doc/misc/efaq.texi
@@ -400,7 +400,7 @@ archive can be browsed over the web at
 @uref{https://lists.gnu.org/r/, the GNU mail archive}.
 
 Web-based Usenet search services, such as
-@uref{http://groups.google.com/groups/dir?q=gnu&, Google}, also
+@uref{https://groups.google.com/groups/dir?q=gnu&, Google}, also
 archive the @code{gnu.*} groups.
 
 @node Reporting bugs
@@ -865,7 +865,7 @@ Bulletin}, are at
 
 @uref{https://www.gnu.org/bulletins/bulletins.html} and
 
-@uref{http://www.cs.pdx.edu/~trent/gnu/gnu.html}
+@uref{https://www.cs.pdx.edu/~trent/gnu/gnu.html}
 
 @node Help installing Emacs
 @section Where can I get help in installing Emacs?
@@ -3613,7 +3613,7 @@ For a list of other MS-DOS implementations of Emacs (and Emacs
 look-alikes), consult the list of ``Emacs implementations and literature,''
 available at
 
-@uref{http://www.finseth.com/emacs.html}
+@uref{https://www.finseth.com/emacs.html}
 
 Note that while many of these programs look similar to Emacs, they often
 lack certain features, such as the Emacs Lisp extension language.
diff --git a/doc/misc/idlwave.texi b/doc/misc/idlwave.texi
index 5cb6b19181c..538c088282b 100644
--- a/doc/misc/idlwave.texi
+++ b/doc/misc/idlwave.texi
@@ -247,15 +247,15 @@ Here are a number of screenshots showing IDLWAVE in action:
 
 @itemize @bullet
 @item
-@uref{http://github.com/jdtsmith/idlwave/screenshots/emacs_21_nav.gif,An IDLWAVE buffer}
+@uref{https://github.com/jdtsmith/idlwave/screenshots/emacs_21_nav.gif,An IDLWAVE buffer}
 @item
-@uref{http://github.com/jdtsmith/idlwave/screenshots/emacs_21_keys.gif,A keyword being completed}
+@uref{https://github.com/jdtsmith/idlwave/screenshots/emacs_21_keys.gif,A keyword being completed}
 @item
-@uref{http://github.com/jdtsmith/idlwave/screenshots/emacs_21_help.gif,Online help text.}
+@uref{https://github.com/jdtsmith/idlwave/screenshots/emacs_21_help.gif,Online help text.}
 @item
-@uref{http://github.com/jdtsmith/idlwave/screenshots/emacs_21_ri.gif,Routine information displayed}
+@uref{https://github.com/jdtsmith/idlwave/screenshots/emacs_21_ri.gif,Routine information displayed}
 @item
-@uref{http://github.com/jdtsmith/idlwave/screenshots/emacs_21_bp.gif,Debugging code
+@uref{https://github.com/jdtsmith/idlwave/screenshots/emacs_21_bp.gif,Debugging code
 stopped at a breakpoint}
 @end itemize
 @end ifnottex
diff --git a/doc/misc/org.texi b/doc/misc/org.texi
index 495d562f50b..b7e05feb0f1 100644
--- a/doc/misc/org.texi
+++ b/doc/misc/org.texi
@@ -3753,7 +3753,7 @@ A link should be enclosed in double brackets and may contain
 descriptive text to be displayed instead of the URL (see @ref{Link Format}), for example:
 
 @example
-[[http://www.gnu.org/software/emacs/][GNU Emacs]]
+[[https://www.gnu.org/software/emacs/][GNU Emacs]]
 @end example
 
 
@@ -22361,7 +22361,7 @@ Marco Wahl wrote @samp{ol-eww.el}.
 
 @display
 Copyright @copyright{} 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
-@uref{http://fsf.org/}
+@uref{https://fsf.org/}
 
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.
@@ -22786,7 +22786,7 @@ The Free Software Foundation may publish new, revised versions of
 the GNU Free Documentation License from time to time.  Such new
 versions will be similar in spirit to the present version, but may
 differ in detail to address new problems or concerns.  See
-@uref{http://www.gnu.org/copyleft/}.
+@uref{https://www.gnu.org/copyleft/}.
 
 Each version of the License is given a distinguishing version
 number.  If the Document specifies that a particular numbered
diff --git a/doc/misc/pcl-cvs.texi b/doc/misc/pcl-cvs.texi
index c3df33eb9aa..d1951f581c9 100644
--- a/doc/misc/pcl-cvs.texi
+++ b/doc/misc/pcl-cvs.texi
@@ -1389,7 +1389,7 @@ bugs, please report them separately.
 If you have problems using PCL-CVS or other questions, send them to
 the @url{https://lists.gnu.org/mailman/listinfo/help-gnu-emacs,
 help-gnu-emacs mailing list}.  This is a good place to get help, as is
-the @url{http://lists.nongnu.org/mailman/listinfo/info-cvs, info-cvs list}.
+the @url{https://lists.nongnu.org/mailman/listinfo/info-cvs, info-cvs list}.
 
 If you have ideas for improvements, or if you have written some
 extensions to this package, we would like to hear from you.  We hope that
diff --git a/doc/misc/pgg.texi b/doc/misc/pgg.texi
index 5daa16fb27e..261897b735c 100644
--- a/doc/misc/pgg.texi
+++ b/doc/misc/pgg.texi
@@ -94,7 +94,7 @@ and that you are familiar with its basic functions.
 
 By default, PGG uses GnuPG@.  If you are new to such a system, I
 recommend that you should look over the GNU Privacy Handbook (GPH)
-which is available at @uref{http://www.gnupg.org/documentation/}.
+which is available at @uref{https://www.gnupg.org/documentation/}.
 
 When using GnuPG, we recommend the use of the @code{gpg-agent}
 program, which is distributed with versions 2.0 and later of GnuPG@.
diff --git a/etc/NEXTSTEP b/etc/NEXTSTEP
index 77a1752a4a4..5ac3b6b1741 100644
--- a/etc/NEXTSTEP
+++ b/etc/NEXTSTEP
@@ -27,7 +27,7 @@ the absence of any other determinant, we are using the term
 created these APIs, and because all of the classes and functions still
 begin with the letters "NS".
 
-(See http://en.wikipedia.org/wiki/Nextstep)
+(See https://en.wikipedia.org/wiki/Nextstep)
 
 This Emacs port was first released in the early 1990's on the NeXT
 computer, and was successively updated to OpenStep, Rhapsody, Mac OS
diff --git a/etc/TODO b/etc/TODO
index 4f9ea7e5d46..8e93e7fb10a 100644
--- a/etc/TODO
+++ b/etc/TODO
@@ -402,7 +402,7 @@ built-in.
 
 See the discussion of bug#39799 for more details about this task.
 Another relevant resource is the Unicode Technical Standard #51
-"Unicode Emoji" (http://www.unicode.org/reports/tr51/).
+"Unicode Emoji" (https://www.unicode.org/reports/tr51/).
 
 ** Extend text-properties and overlays
 
@@ -497,7 +497,7 @@ https://savannah.nongnu.org/projects/emacs-rtf/, which is still in
 very early stages.
 
 Another place to look is the Wikipedia article at
-http://en.wikipedia.org/wiki/Rich_Text_Format.  It currently points to
+https://en.wikipedia.org/wiki/Rich_Text_Format.  It currently points to
 the latest spec of RTF v1.9.1 at
 https://web.archive.org/web/20190708132914/http://www.kleinlercher.at/tools/Windows_Protocols/Word2007RTFSpec9.pdf
 
diff --git a/etc/themes/manoj-dark-theme.el b/etc/themes/manoj-dark-theme.el
index ac395f993c9..195d40d7af6 100644
--- a/etc/themes/manoj-dark-theme.el
+++ b/etc/themes/manoj-dark-theme.el
@@ -62,7 +62,7 @@
 ;; org-mode, CUA-mode, apt-utils, bbdb, compilation buffers, changelog
 ;; mode, diff and ediff, eshell, and more. You need emacs-goodies
 ;; package on Debian to use this.  See the wiki page at
-;; http://www.emacswiki.org/cgi-bin/wiki?ColorTheme for details. The
+;; https://www.emacswiki.org/cgi-bin/wiki?ColorTheme for details. The
 ;; project home page is at https://gna.org/projects/color-theme.
 
 ;;; Code:
diff --git a/leim/MISC-DIC/CTLau-b5.html b/leim/MISC-DIC/CTLau-b5.html
index e718edeb121..117a6ee374e 100644
--- a/leim/MISC-DIC/CTLau-b5.html
+++ b/leim/MISC-DIC/CTLau-b5.html
@@ -23,7 +23,7 @@
 # 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/>.
 #
 #
 # File Format:
diff --git a/leim/MISC-DIC/CTLau.html b/leim/MISC-DIC/CTLau.html
index 18a48c125d0..e7759117325 100644
--- a/leim/MISC-DIC/CTLau.html
+++ b/leim/MISC-DIC/CTLau.html
@@ -23,7 +23,7 @@
 # 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/>.
 # 
 #
 # File Format:
diff --git a/leim/MISC-DIC/pinyin.map b/leim/MISC-DIC/pinyin.map
index 6c2117713b5..4809769d1ad 100644
--- a/leim/MISC-DIC/pinyin.map
+++ b/leim/MISC-DIC/pinyin.map
@@ -23,7 +23,7 @@
 % details.

 %

 % You should have received a copy of the GNU General Public License along with

-% CCE.  If not, see <http://www.gnu.org/licenses/>.

+% CCE.  If not, see <https://www.gnu.org/licenses/>.

 %

 % End of header added for Emacs

 a       °¢°¡ºÇëçàÄï¹ß¹

diff --git a/leim/MISC-DIC/ziranma.cin b/leim/MISC-DIC/ziranma.cin
index 13a63fd7335..b61aea2b6f4 100644
--- a/leim/MISC-DIC/ziranma.cin
+++ b/leim/MISC-DIC/ziranma.cin
@@ -23,7 +23,7 @@
 % details.
 %
 % You should have received a copy of the GNU General Public License along with
-% CCE.  If not, see <http://www.gnu.org/licenses/>.
+% CCE.  If not, see <https://www.gnu.org/licenses/>.
 %
 % End of header added for Emacs
 %ename  ZiranMa
diff --git a/lisp/ChangeLog.11 b/lisp/ChangeLog.11
index 52b85950be0..374a5668932 100644
--- a/lisp/ChangeLog.11
+++ b/lisp/ChangeLog.11
@@ -13392,7 +13392,7 @@
 
         * progmodes/compile.el (compilation-error-regexp-alist):
         Add Java ANt error detection as described in document
-        http://ant.apache.org/faq.html
+        https://ant.apache.org/faq.html
 
 2003-08-12  Juri Linkov  <juri@jurta.org>  (tiny change)
 
diff --git a/lisp/ChangeLog.16 b/lisp/ChangeLog.16
index 6c093790d31..bb7389c5b71 100644
--- a/lisp/ChangeLog.16
+++ b/lisp/ChangeLog.16
@@ -379,7 +379,7 @@
 2013-02-28  Sam Steingold  <sds@gnu.org>
 
         * vc/diff-mode.el (diff-hunk-file-names): Handle filenames with spaces.
-        See <http://stackoverflow.com/questions/14720205>.
+        See <https://stackoverflow.com/questions/14720205>.
 
 2013-02-28  Thierry Volpiatto  <thierry.volpiatto@gmail.com>
 
@@ -1326,7 +1326,7 @@
 
         * net/soap-client.el (soap-invoke): Encode the string for
         `url-request-data' as UTF-8.
-        Fixes <http://code.google.com/p/emacs-soap-client/issues/detail?id=16>.
+        Fixes <https://code.google.com/p/emacs-soap-client/issues/detail?id=16>.
 
 2013-02-01  Glenn Morris  <rgm@gnu.org>
 
@@ -2462,7 +2462,7 @@
 2012-12-27  Sam Steingold  <sds@gnu.org>
 
         * progmodes/cperl-mode.el (cperl-calculate-indent): Do not stagger
-        continuations, see <http://stackoverflow.com/questions/3582436>.
+        continuations, see <https://stackoverflow.com/questions/3582436>.
 
 2012-12-27  Dmitry Gutov  <dgutov@yandex.ru>
 
@@ -11473,7 +11473,7 @@
         (sh-set-shell): Use smie-setup if requested.
 
         * term.el (term-set-escape-char): Properly set term-escape-char.
-        See http://stackoverflow.com/questions/10524656.
+        See https://stackoverflow.com/questions/10524656.
 
 2012-05-10  Chong Yidong  <cyd@gnu.org>
 
@@ -16476,7 +16476,7 @@
         (python-pdbtrack-track-stack-file): Adjust to recognize ipdb as well as
         regular python pdb prompts.  Adjustments shamelessly taken exactly as
         suggested in EmacsWiki page (tiny change):
-        http://www.emacswiki.org/PythonProgrammingInEmacs#toc14
+        https://www.emacswiki.org/PythonProgrammingInEmacs#toc14
 
 2011-11-16  Juanma Barranquero  <lekktu@gmail.com>
 
diff --git a/lisp/ChangeLog.17 b/lisp/ChangeLog.17
index 8039e3f28a3..5789445fcd6 100644
--- a/lisp/ChangeLog.17
+++ b/lisp/ChangeLog.17
@@ -23951,7 +23951,7 @@
 
         * simple.el (shell-command-on-region): Pass the `replace' argument
         down to `call-process-region' to comply with the doc as reported on
-        <http://stackoverflow.com/questions/16720458/emacs-noninteractive-call-to-shell-command-on-region-always-deletes-region>
+        <https://stackoverflow.com/questions/16720458/emacs-noninteractive-call-to-shell-command-on-region-always-deletes-region>
 
 2013-05-23  Stefan Monnier  <monnier@iro.umontreal.ca>
 
diff --git a/lisp/ansi-color.el b/lisp/ansi-color.el
index c3b2d98c140..d20260b185c 100644
--- a/lisp/ansi-color.el
+++ b/lisp/ansi-color.el
@@ -39,7 +39,7 @@
 ;;
 ;; SGR control sequences are defined in section 3.8.117 of the ECMA-48
 ;; standard (identical to ISO/IEC 6429), which is freely available as a
-;; PDF file <URL:http://www.ecma-international.org/publications/standards/Ecma-048.htm>.
+;; PDF file <URL:https://www.ecma-international.org/publications/standards/Ecma-048.htm>.
 ;; The "Graphic Rendition Combination Mode (GRCM)" implemented is
 ;; "cumulative mode" as defined in section 7.2.8.  Cumulative mode
 ;; means that whenever possible, SGR control sequences are combined
@@ -84,7 +84,7 @@ This translation effectively colorizes strings and regions based upon
 SGR control sequences embedded in the text.  SGR (Select Graphic
 Rendition) control sequences are defined in section 8.3.117 of the
 ECMA-48 standard (identical to ISO/IEC 6429), which is freely available
-at <URL:http://www.ecma-international.org/publications/standards/Ecma-048.htm>
+at <URL:https://www.ecma-international.org/publications/standards/Ecma-048.htm>
 as a PDF file."
   :version "21.1"
   :group 'processes)
diff --git a/lisp/cedet/semantic/wisent/grammar.el b/lisp/cedet/semantic/wisent/grammar.el
index 49b0fd1b3b4..0ff9cde80ef 100644
--- a/lisp/cedet/semantic/wisent/grammar.el
+++ b/lisp/cedet/semantic/wisent/grammar.el
@@ -427,7 +427,7 @@ Menu items are appended to the common grammar menu.")
   "\n;; It is derived from the grammar in the ECMAScript Language
 ;; Specification published at
 ;;
-;; http://www.ecma-international.org/publications/standards/Ecma-262.htm
+;; https://www.ecma-international.org/publications/standards/Ecma-262.htm
 ;;
 ;; and redistributed under the following license:
 ;;
diff --git a/lisp/erc/ChangeLog.1 b/lisp/erc/ChangeLog.1
index 90bd8bd09ee..fdf51954684 100644
--- a/lisp/erc/ChangeLog.1
+++ b/lisp/erc/ChangeLog.1
@@ -9116,7 +9116,7 @@
 2002-11-10  Alex Schroeder  <alex@gnu.org>
 
         * TODO:
-        TODO: moved it to http://www.emacswiki.org/cgi-bin/wiki.pl?ErcTODO
+        TODO: moved it to https://www.emacswiki.org/cgi-bin/wiki.pl?ErcTODO
 
         * erc.el(with-erc-channel-buffer): Rudimentary doc string.
 
diff --git a/lisp/erc/erc-backend.el b/lisp/erc/erc-backend.el
index 1cf0bb49217..f99088d4c78 100644
--- a/lisp/erc/erc-backend.el
+++ b/lisp/erc/erc-backend.el
@@ -408,7 +408,7 @@ This string is processed using `format-time-string'."
 ;;; Flood-related
 
 ;; Most of this is courtesy of Jorgen Schaefer and Circe
-;; (http://www.nongnu.org/circe)
+;; (https://www.nongnu.org/circe)
 
 (defcustom erc-server-flood-margin 10
   "A margin on how much excess data we send.
diff --git a/lisp/frame.el b/lisp/frame.el
index 29ac862ccd4..772ba3d8c47 100644
--- a/lisp/frame.el
+++ b/lisp/frame.el
@@ -1934,7 +1934,7 @@ for FRAME."
 ;; features change, it will be easy to find all the tests for such
 ;; capabilities by a simple text search.  See more about the history
 ;; and the intent of these functions in
-;; http://lists.gnu.org/archive/html/bug-gnu-emacs/2019-04/msg00004.html
+;; https://lists.gnu.org/archive/html/bug-gnu-emacs/2019-04/msg00004.html
 ;; or in https://debbugs.gnu.org/cgi/bugreport.cgi?bug=35058#17.
 
 (declare-function msdos-mouse-p "dosfns.c")
diff --git a/lisp/international/mule-conf.el b/lisp/international/mule-conf.el
index c84f0a49901..42dd19842c8 100644
--- a/lisp/international/mule-conf.el
+++ b/lisp/international/mule-conf.el
@@ -39,7 +39,7 @@
 ;; Society of Japan/Information Technology Standards Commission of
 ;; Japan (IPSJ/ITSCJ) at https://www.itscj.ipsj.or.jp/itscj_english/.
 ;; Standards docs equivalent to iso-2022 and iso-8859 are at
-;; http://www.ecma.ch/.
+;; https://www.ecma.ch/.
 
 ;; FWIW, http://www.microsoft.com/globaldev/ lists the following for
 ;; MS Windows, which are presumably the only charsets we really need
diff --git a/lisp/jsonrpc.el b/lisp/jsonrpc.el
index ffbc253a976..7de6baeb00a 100644
--- a/lisp/jsonrpc.el
+++ b/lisp/jsonrpc.el
@@ -26,7 +26,7 @@
 ;;; Commentary:
 
 ;; This library implements the JSONRPC 2.0 specification as described
-;; in http://www.jsonrpc.org/.  As the name suggests, JSONRPC is a
+;; in https://www.jsonrpc.org/.  As the name suggests, JSONRPC is a
 ;; generic Remote Procedure Call protocol designed around JSON
 ;; objects.  To learn how to write JSONRPC programs with this library,
 ;; see Info node `(elisp)JSONRPC'."
diff --git a/lisp/mail/mail-extr.el b/lisp/mail/mail-extr.el
index c296f29f9ea..49dfd2ee874 100644
--- a/lisp/mail/mail-extr.el
+++ b/lisp/mail/mail-extr.el
@@ -1851,7 +1851,7 @@ place.  It affects how `mail-extract-address-components' works."
 ;; Updated by the RIPE Network Coordination Centre.
 ;;
 ;; Source: ISO 3166 Maintenance Agency
-;; http://www.iso.org/iso/en/prods-services/iso3166ma/02iso-3166-code-lists/list-en1-semic.txt
+;; https://www.iso.org/iso/en/prods-services/iso3166ma/02iso-3166-code-lists/list-en1-semic.txt
 ;; https://www.iana.org/domain-names.htm
 ;; https://www.iana.org/cctld/cctld-whois.htm
 ;; Latest change: 2007/11/15
diff --git a/lisp/mh-e/mh-thread.el b/lisp/mh-e/mh-thread.el
index 43a589aeca2..e6ee87b8411 100644
--- a/lisp/mh-e/mh-thread.el
+++ b/lisp/mh-e/mh-thread.el
@@ -29,7 +29,7 @@
 ;;   https://www.jwz.org/doc/threading.html
 ;; It also begins to implement the threading section of the IMAP -
 ;; SORT and THREAD Extensions RFC at:
-;;   http://tools.ietf.org/html/rfc5256
+;;   https://tools.ietf.org/html/rfc5256
 ;; The implementation lacks the reference and subject canonicalization
 ;; of the RFC.
 
diff --git a/lisp/misc.el b/lisp/misc.el
index be191c50d2f..03395781a51 100644
--- a/lisp/misc.el
+++ b/lisp/misc.el
@@ -127,7 +127,7 @@ upper atmosphere.  These cause momentary pockets of higher-pressure
 air to form, which act as lenses that deflect incoming cosmic rays,
 focusing them to strike the drive platter and flip the desired bit.
 You can type `M-x butterfly C-M-c' to run it.  This is a permuted
-variation of `C-x M-c M-butterfly' from url `http://xkcd.com/378/'."
+variation of `C-x M-c M-butterfly' from url `https://xkcd.com/378/'."
   (interactive)
   (if (yes-or-no-p "Do you really want to unleash the powers of the butterfly? ")
       (progn
@@ -139,7 +139,7 @@ variation of `C-x M-c M-butterfly' from url `http://xkcd.com/378/'."
         (sit-for (* 5 (/ (abs (random)) (float most-positive-fixnum))))
         (message "Successfully flipped one bit!"))
     (message "Well, then go to xkcd.com!")
-    (browse-url "http://xkcd.com/378/")))
+    (browse-url "https://xkcd.com/378/")))
 
 ;; A command to list dynamically loaded libraries.  This useful in
 ;; environments where dynamic-library-alist is used, i.e., Windows
diff --git a/lisp/net/ldap.el b/lisp/net/ldap.el
index 700653250fb..5639d52f815 100644
--- a/lisp/net/ldap.el
+++ b/lisp/net/ldap.el
@@ -29,7 +29,7 @@
 ;;    `ldapsearch' to actually perform the searches.  That program can be
 ;;    found in all LDAP developer kits such as:
 ;;      - UM-LDAP 3.3 (http://www.umich.edu/~dirsvcs/ldap/)
-;;      - OpenLDAP (http://www.openldap.org/)
+;;      - OpenLDAP (https://www.openldap.org/)
 
 ;;; Code:
 
diff --git a/lisp/net/tramp-archive.el b/lisp/net/tramp-archive.el
index 9502cc35300..931a9717310 100644
--- a/lisp/net/tramp-archive.el
+++ b/lisp/net/tramp-archive.el
@@ -163,7 +163,7 @@
   "List of suffixes which indicate a file archive.
 It must be supported by libarchive(3).")
 
-;; <http://unix-memo.readthedocs.io/en/latest/vfs.html>
+;; <https://unix-memo.readthedocs.io/en/latest/vfs.html>
 ;;    read and write: tar, cpio, pax , gzip , zip, bzip2, xz, lzip, lzma, ar, mtree, iso9660, compress.
 ;;    read only: 7-Zip, mtree, xar, lha/lzh, rar, microsoft cab.
 
diff --git a/lisp/notifications.el b/lisp/notifications.el
index 3c2a8cf39c0..f83898622ec 100644
--- a/lisp/notifications.el
+++ b/lisp/notifications.el
@@ -23,7 +23,7 @@
 ;;; Commentary:
 
 ;; This package provides an implementation of the Desktop Notifications
-;; <http://developer.gnome.org/notification-spec/>.
+;; <https://developer.gnome.org/notification-spec/>.
 
 ;; In order to activate this package, you must add the following code
 ;; into your .emacs:
diff --git a/lisp/nxml/xsd-regexp.el b/lisp/nxml/xsd-regexp.el
index f5bdf79349a..622ba911995 100644
--- a/lisp/nxml/xsd-regexp.el
+++ b/lisp/nxml/xsd-regexp.el
@@ -24,7 +24,7 @@
 
 ;; This handles the regular expressions in the syntax defined by:
 ;; W3C XML Schema Part 2: Datatypes
-;; <http://www.w3.org/TR/xmlschema-2/#regexs>
+;; <https://www.w3.org/TR/xmlschema-2/#regexs>
 ;;
 ;; The main entry point is `xsdre-translate'.
 ;;
@@ -1219,7 +1219,7 @@ Code is inserted into the current buffer."
 
 ;; The rest of the file was auto-generated by doing M-x xsdre-gen-categories
 ;; on UnicodeData-3.1.0.txt available from
-;; http://www.unicode.org/Public/3.1-Update/UnicodeData-3.1.0.txt
+;; https://www.unicode.org/Public/3.1-Update/UnicodeData-3.1.0.txt
 
 (xsdre-def-primitive-category 'Lu
                               '((65 . 90)
diff --git a/lisp/org/ob-coq.el b/lisp/org/ob-coq.el
index 56a57cdf649..d04a40dd3b3 100644
--- a/lisp/org/ob-coq.el
+++ b/lisp/org/ob-coq.el
@@ -27,7 +27,7 @@
 ;; session evaluation is supported.  Requires both coq.el and
 ;; coq-inferior.el, both of which are distributed with Coq.
 ;;
-;; http://coq.inria.fr/
+;; https://coq.inria.fr/
 
 ;;; Code:
 (require 'ob)
diff --git a/lisp/org/ob-js.el b/lisp/org/ob-js.el
index 8f66d102074..655e253d925 100644
--- a/lisp/org/ob-js.el
+++ b/lisp/org/ob-js.el
@@ -30,11 +30,11 @@
 
 ;;; Requirements:
 
-;; - a non-browser javascript engine such as node.js http://nodejs.org/
-;;   or mozrepl http://wiki.github.com/bard/mozrepl/
+;; - a non-browser javascript engine such as node.js https://nodejs.org/
+;;   or mozrepl https://wiki.github.com/bard/mozrepl/
 ;;
 ;; - for session based evaluation mozrepl and moz.el are required see
-;;   http://wiki.github.com/bard/mozrepl/emacs-integration for
+;;   https://wiki.github.com/bard/mozrepl/emacs-integration for
 ;;   configuration instructions
 
 ;;; Code:
diff --git a/lisp/org/ob-vala.el b/lisp/org/ob-vala.el
index e9c214f7dfc..b1c22756226 100644
--- a/lisp/org/ob-vala.el
+++ b/lisp/org/ob-vala.el
@@ -26,7 +26,7 @@
 ;;; Commentary:
 
 ;; ob-vala.el provides Babel support for the Vala language
-;; (see http://live.gnome.org/Vala for details)
+;; (see https://live.gnome.org/Vala for details)
 
 ;;; Requirements:
 
diff --git a/lisp/org/org-tempo.el b/lisp/org/org-tempo.el
index 9ae2700549c..fe3b5f8da10 100644
--- a/lisp/org/org-tempo.el
+++ b/lisp/org/org-tempo.el
@@ -4,7 +4,7 @@
 ;;
 ;; Author: Rasmus Pank Roulund <emacs at pank dot eu>
 ;; Keywords: outlines, hypermedia, calendar, wp
-;; Homepage: http://orgmode.org
+;; Homepage: https://orgmode.org
 ;;
 ;; This file is part of GNU Emacs.
 ;;
diff --git a/lisp/pcmpl-x.el b/lisp/pcmpl-x.el
index 6e96a67b7b2..0fd426e3d1f 100644
--- a/lisp/pcmpl-x.el
+++ b/lisp/pcmpl-x.el
@@ -141,7 +141,7 @@
           (pcomplete-here* (pcomplete-dirs-or-entries)))))))
 
 
-;;;; ack - http://betterthangrep.com
+;;;; ack - https://betterthangrep.com
 
 ;; Usage:
 ;;   - To complete short options type '-' first
diff --git a/lisp/progmodes/antlr-mode.el b/lisp/progmodes/antlr-mode.el
index 00fcb804d43..9dacd5856cf 100644
--- a/lisp/progmodes/antlr-mode.el
+++ b/lisp/progmodes/antlr-mode.el
@@ -52,7 +52,7 @@
 ;;
 ;;  * Probably.  Show rules/dependencies for ANT like for Makefile (does ANT
 ;;    support vocabularies and grammar inheritance?), I have to look at
-;;    jde-ant.el: http://jakarta.apache.org/ant/manual/OptionalTasks/antlr.html
+;;    jde-ant.el: https://jakarta.apache.org/ant/manual/OptionalTasks/antlr.html
 ;;  * Probably.  Make `indent-region' faster, especially in actions.  ELP
 ;;    profiling in a class init action shows half the time is spent in
 ;;    `antlr-next-rule', the other half in `c-guess-basic-syntax'.
diff --git a/lisp/progmodes/cl-font-lock.el b/lisp/progmodes/cl-font-lock.el
index 65090ac3ca5..cb6bd6c34bb 100644
--- a/lisp/progmodes/cl-font-lock.el
+++ b/lisp/progmodes/cl-font-lock.el
@@ -23,7 +23,7 @@
 ;; GNU General Public License for more details.
 
 ;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
+;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
 
 ;;; Commentary:
 
diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index 7f4d2251fd8..0487964d815 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -135,7 +135,7 @@
 ;; values enable completion for both CPython and IPython, and probably
 ;; any readline based shell (it's known to work with PyPy).  If your
 ;; Python installation lacks readline (like CPython for Windows),
-;; installing pyreadline (URL `http://ipython.org/pyreadline.html')
+;; installing pyreadline (URL `https://ipython.org/pyreadline.html')
 ;; should suffice.  To troubleshoot why you are not getting any
 ;; completions, you can try the following in your Python shell:
 
diff --git a/lisp/progmodes/xref.el b/lisp/progmodes/xref.el
index de2053c3c99..a1c4c08c263 100644
--- a/lisp/progmodes/xref.el
+++ b/lisp/progmodes/xref.el
@@ -1325,7 +1325,7 @@ FILES must be a list of absolute file names."
   ;; call-process-region *is* measurably faster, even for a program
   ;; doing some actual work (for a period of time). Even though
   ;; call-process-region also creates a temp file internally
-  ;; (http://lists.gnu.org/archive/html/emacs-devel/2019-01/msg00211.html).
+  ;; (https://lists.gnu.org/archive/html/emacs-devel/2019-01/msg00211.html).
   (if (not (file-remote-p default-directory))
       (apply #'call-process-region
              start end program nil buffer display args)
diff --git a/lisp/term.el b/lisp/term.el
index ff8b3f00f34..8cbbfff1b63 100644
--- a/lisp/term.el
+++ b/lisp/term.el
@@ -2805,7 +2805,7 @@ See `term-prompt-regexp'."
 
 ;; References:
 ;; [ctlseqs]: http://invisible-island.net/xterm/ctlseqs/ctlseqs.html
-;; [ECMA-48]: http://www.ecma-international.org/publications/standards/Ecma-048.htm
+;; [ECMA-48]: https://www.ecma-international.org/publications/standards/Ecma-048.htm
 ;; [vt100]: https://vt100.net/docs/vt100-ug/chapter3.html
 
 (defconst term-control-seq-regexp
diff --git a/lisp/vc/vc-bzr.el b/lisp/vc/vc-bzr.el
index f98730ed221..e2d0ca69a20 100644
--- a/lisp/vc/vc-bzr.el
+++ b/lisp/vc/vc-bzr.el
@@ -26,7 +26,7 @@
 
 ;;; Commentary:
 
-;; See <URL:http://bazaar.canonical.com/> concerning bzr.
+;; See <URL:https://bazaar.canonical.com/> concerning bzr.
 
 ;; This library provides bzr support in VC.
 
diff --git a/lisp/vc/vc-svn.el b/lisp/vc/vc-svn.el
index e108b3a340f..06dd09490d2 100644
--- a/lisp/vc/vc-svn.el
+++ b/lisp/vc/vc-svn.el
@@ -51,8 +51,8 @@
   :group 'vc-svn)
 
 ;; Might be nice if svn defaulted to non-interactive if stdin not tty.
-;; http://svn.haxx.se/dev/archive-2008-05/0762.shtml
-;; http://svn.haxx.se/dev/archive-2009-04/0094.shtml
+;; https://svn.haxx.se/dev/archive-2008-05/0762.shtml
+;; https://svn.haxx.se/dev/archive-2009-04/0094.shtml
 ;; Maybe newer ones do?
 (defcustom vc-svn-global-switches (unless (eq system-type 'darwin) ; bug#13513
                                     '("--non-interactive"))
diff --git a/msdos/autogen/Makefile.in b/msdos/autogen/Makefile.in
index be1a84faa66..42a4656f9d5 100644
--- a/msdos/autogen/Makefile.in
+++ b/msdos/autogen/Makefile.in
@@ -26,7 +26,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this file.  If not, see <http://www.gnu.org/licenses/>.
+# along with this file.  If not, see <https://www.gnu.org/licenses/>.
 #
 # As a special exception to the GNU General Public License,
 # this file may be distributed as part of a program that
@@ -49,7 +49,7 @@
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this file.  If not, see <http://www.gnu.org/licenses/>.
+# along with this file.  If not, see <https://www.gnu.org/licenses/>.
 #
 # As a special exception to the GNU General Public License,
 # this file may be distributed as part of a program that
diff --git a/msdos/autogen/config.in b/msdos/autogen/config.in
index 6101abd1fa6..6475d99d6f1 100644
--- a/msdos/autogen/config.in
+++ b/msdos/autogen/config.in
@@ -18,7 +18,7 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
+along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
 
 
 /* No code in Emacs #includes config.h twice, but some bits of code
diff --git a/nt/INSTALL.W64 b/nt/INSTALL.W64
index c3d4dfa4c28..0a0e0330a24 100644
--- a/nt/INSTALL.W64
+++ b/nt/INSTALL.W64
@@ -22,7 +22,7 @@ MinGW-w64 provides a complete runtime for projects built with GCC for 64-bit
 Windows -- it's located at http://mingw-w64.org/.
 
 MSYS2 is a Cygwin-derived software distribution for Windows which provides
-build tools for MinGW-w64 -- see http://msys2.github.io/.
+build tools for MinGW-w64 -- see https://msys2.github.io/.
 
 ** Download and install MinGW-w64 and MSYS2
 
diff --git a/src/nsxwidget.h b/src/nsxwidget.h
index 3d91594c341..dcdb26cb34c 100644
--- a/src/nsxwidget.h
+++ b/src/nsxwidget.h
@@ -15,7 +15,7 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
+along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #ifndef NSXWIDGET_H_INCLUDED
 #define NSXWIDGET_H_INCLUDED
diff --git a/src/nsxwidget.m b/src/nsxwidget.m
index 3c6402c03ff..dbd4cb29a62 100644
--- a/src/nsxwidget.m
+++ b/src/nsxwidget.m
@@ -15,7 +15,7 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
-along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
+along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 
diff --git a/src/w32heap.c b/src/w32heap.c
index ba3550b6e9b..a72bed62caf 100644
--- a/src/w32heap.c
+++ b/src/w32heap.c
@@ -191,7 +191,7 @@ free_fn the_free_fn;
 
 /* It doesn't seem to be useful to allocate from a file mapping.
    It would be if the memory was shared.
-     http://stackoverflow.com/questions/307060/what-is-the-purpose-of-allocating-pages-in-the-pagefile-with-createfilemapping  */
+     https://stackoverflow.com/questions/307060/what-is-the-purpose-of-allocating-pages-in-the-pagefile-with-createfilemapping  */
 
 /* This is the function to commit memory when the heap allocator
    claims for new memory.  Before dumping with unexec, we allocate
@@ -246,7 +246,7 @@ init_heap (bool use_dynamic_heap)
          environment before starting GDB to get low fragmentation heap
          on XP and older systems, for the price of losing "certain
          heap debug options"; for the details see
-         http://msdn.microsoft.com/en-us/library/windows/desktop/aa366705%28v=vs.85%29.aspx.  */
+         https://msdn.microsoft.com/en-us/library/windows/desktop/aa366705%28v=vs.85%29.aspx.  */
       data_region_end = data_region_base;
 
       /* Create the private heap.  */
diff --git a/test/lisp/gnus/gnus-util-tests.el b/test/lisp/gnus/gnus-util-tests.el
index 4869d162fb3..5a5e66594fa 100644
--- a/test/lisp/gnus/gnus-util-tests.el
+++ b/test/lisp/gnus/gnus-util-tests.el
@@ -16,7 +16,7 @@
 ;; GNU General Public License for more details.
 
 ;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
+;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
 
 ;;; Commentary:
 
diff --git a/test/lisp/gnus/mml-sec-tests.el b/test/lisp/gnus/mml-sec-tests.el
index 3da620d64e1..d85516179fa 100644
--- a/test/lisp/gnus/mml-sec-tests.el
+++ b/test/lisp/gnus/mml-sec-tests.el
@@ -16,7 +16,7 @@
 ;; GNU General Public License for more details.
 
 ;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
+;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
 
 ;;; Commentary:
 
diff --git a/test/lisp/man-tests.el b/test/lisp/man-tests.el
index 8267d8e4f6a..ddf22ecd404 100644
--- a/test/lisp/man-tests.el
+++ b/test/lisp/man-tests.el
@@ -44,7 +44,7 @@ sinl [sin]           (3)  - sine function"
 sin(3), sinf(3), sinl(3) - sine functions"
      . (#("sin(3)" 0 6 (help-echo "sine functions")) #("sinf(3)" 0 7 (help-echo "sine functions")) #("sinl(3)" 0 7 (help-echo "sine functions"))))
     ;; SunOS, Solaris
-    ;; http://docs.oracle.com/cd/E19455-01/805-6331/usradm-7/index.html
+    ;; https://docs.oracle.com/cd/E19455-01/805-6331/usradm-7/index.html
     ;; SunOS 4
     ("\
 tset, reset (1)    - establish or restore terminal characteristics"
@@ -61,7 +61,7 @@ cawf, nroff (1) - C version of the nroff-like, Amazingly Workable (text) Formatt
 whatis (5) - database of online manual pages"
      . (#("cawf(1)" 0 7 (help-echo "C version of the nroff-like, Amazingly Workable (text) Formatter")) #("nroff(1)" 0 8 (help-echo "C version of the nroff-like, Amazingly Workable (text) Formatter")) #("whatis(5)" 0 9 (help-echo "database of online manual pages"))))
     ;; HP-UX
-    ;; http://docstore.mik.ua/manuals/hp-ux/en/B2355-60130/man.1.html
+    ;; https://docstore.mik.ua/manuals/hp-ux/en/B2355-60130/man.1.html
     ;; Assuming that the line break in the zgrep description was
     ;; introduced by the man page formatting.
     ("\
diff --git a/test/lisp/progmodes/python-tests.el b/test/lisp/progmodes/python-tests.el
index bc77443ff4f..64626333c44 100644
--- a/test/lisp/progmodes/python-tests.el
+++ b/test/lisp/progmodes/python-tests.el
@@ -204,7 +204,7 @@ aliqua."
 
 ;;; Indentation
 
-;; See: http://www.python.org/dev/peps/pep-0008/#indentation
+;; See: https://www.python.org/dev/peps/pep-0008/#indentation
 
 (ert-deftest python-indent-pep8-1 ()
   "First pep8 case."
diff --git a/test/lisp/progmodes/ruby-mode-resources/ruby.rb b/test/lisp/progmodes/ruby-mode-resources/ruby.rb
index 6b7d10dea38..95928030396 100644
--- a/test/lisp/progmodes/ruby-mode-resources/ruby.rb
+++ b/test/lisp/progmodes/ruby-mode-resources/ruby.rb
@@ -343,7 +343,7 @@ abc(foo
     tee
       .qux)
 
-# http://stackoverflow.com/questions/17786563/emacs-ruby-mode-if-expressions-indentation
+# https://stackoverflow.com/questions/17786563/emacs-ruby-mode-if-expressions-indentation
 tee = if foo
         bar
       else
diff --git a/test/lisp/textmodes/bibtex-tests.el b/test/lisp/textmodes/bibtex-tests.el
index c12722fca13..56bd54efb74 100644
--- a/test/lisp/textmodes/bibtex-tests.el
+++ b/test/lisp/textmodes/bibtex-tests.el
@@ -17,7 +17,7 @@
 ;; GNU General Public License for more details.
 
 ;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
+;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
 
 ;;; Commentary:
 
diff --git a/test/lisp/vc/vc-bzr-tests.el b/test/lisp/vc/vc-bzr-tests.el
index d922e98348e..bd26f7979dc 100644
--- a/test/lisp/vc/vc-bzr-tests.el
+++ b/test/lisp/vc/vc-bzr-tests.el
@@ -37,7 +37,7 @@
   ;; commands (eg `bzr status') want to access ~/.bazaar, and will
   ;; abort if they cannot.  I could not figure out how to stop bzr
   ;; doing that, so just give it a temporary homedir for the duration.
-  ;; http://bugs.launchpad.net/bzr/+bug/137407 ?
+  ;; https://bugs.launchpad.net/bzr/+bug/137407 ?
   ;;
   ;; Note that with bzr 2.x, this works:
   ;; mkdir /tmp/bzr