From dd383ec4721d45202fc627fc61102076b5bebc34 Mon Sep 17 00:00:00 2001
From: Jon Dufresne <jon.dufresne@gmail.com>
Date: Sun, 23 Sep 2018 09:36:25 -0700
Subject: [PATCH] Prefer https:// links where available

---
 CHANGES                       |  2 +-
 EXAMPLES                      | 96 +++++++++++++++++------------------
 doc/develop.rst               |  2 +-
 doc/faq.rst                   |  2 +-
 doc/intl.rst                  |  2 +-
 doc/usage/builders/index.rst  |  2 +-
 doc/usage/extensions/math.rst |  2 +-
 doc/usage/installation.rst    | 10 ++--
 doc/usage/markdown.rst        |  2 +-
 sphinx/builders/htmlhelp.py   |  5 +-
 sphinx/domains/cpp.py         |  6 +--
 sphinx/util/stemmer/porter.py |  2 +-
 tests/test_domain_cpp.py      |  2 +-
 13 files changed, 68 insertions(+), 67 deletions(-)

diff --git a/CHANGES b/CHANGES
index f7e7884bc..0cc492e2b 100644
--- a/CHANGES
+++ b/CHANGES
@@ -2136,7 +2136,7 @@ Incompatible changes
   parsing is attempted to distinguish valid code.  To get the old behavior back,
   add ``highlight_language = "python"`` to conf.py.
 * `Locale Date Markup Language
-  <http://unicode.org/reports/tr35/tr35-dates.html#Date_Format_Patterns>`_ like
+  <https://unicode.org/reports/tr35/tr35-dates.html#Date_Format_Patterns>`_ like
   ``"MMMM dd, YYYY"`` is default format for `today_fmt` and `html_last_updated_fmt`.
   However strftime format like ``"%B %d, %Y"`` is also supported for backward
   compatibility until Sphinx-1.5. Later format will be disabled from Sphinx-1.5.
diff --git a/EXAMPLES b/EXAMPLES
index ef4cf17fe..2dd0373f2 100644
--- a/EXAMPLES
+++ b/EXAMPLES
@@ -18,15 +18,15 @@ Documentation using the alabaster theme
 * `Click <http://click.pocoo.org/>`__ (customized)
 * `coala <https://docs.coala.io/>`__ (customized)
 * `CodePy <https://documen.tician.de/codepy/>`__
-* `Fabric <http://docs.fabfile.org/>`__
-* `Fityk <http://fityk.nieto.pl/>`__
+* `Fabric <https://docs.fabfile.org/>`__
+* `Fityk <https://fityk.nieto.pl/>`__
 * `Flask <http://flask.pocoo.org/docs/>`__
 * `Flask-OpenID <https://pythonhosted.org/Flask-OpenID/>`__
-* `Invoke <http://docs.pyinvoke.org/>`__
+* `Invoke <https://docs.pyinvoke.org/>`__
 * `Jinja <http://jinja.pocoo.org/docs/>`__
 * `Lino <http://www.lino-framework.org/>`__ (customized)
 * `marbl <https://getmarbl.readthedocs.io/>`__
-* `MDAnalysis <http://www.mdanalysis.org/docs/>`__ (customized)
+* `MDAnalysis <https://www.mdanalysis.org/docs/>`__ (customized)
 * `MeshPy <https://documen.tician.de/meshpy/>`__
 * `PyCUDA <https://documen.tician.de/pycuda/>`__
 * `PyOpenCL <https://documen.tician.de/pyopencl/>`__
@@ -54,27 +54,27 @@ Documentation using the classic theme
 * `Bugzilla <https://bugzilla.readthedocs.io/>`__
 * `Buildbot <https://docs.buildbot.net/latest/>`__
 * `CMake <https://cmake.org/documentation/>`__ (customized)
-* `Chaco <http://docs.enthought.com/chaco/>`__ (customized)
+* `Chaco <https://docs.enthought.com/chaco/>`__ (customized)
 * `Cormoran <http://cormoran.nhopkg.org/docs/>`__
 * `DEAP <https://deap.readthedocs.io/>`__ (customized)
 * `Director <https://pythonhosted.org/director/>`__
 * `EZ-Draw <https://pageperso.lif.univ-mrs.fr/~edouard.thiel/ez-draw/doc/en/html/ez-manual.html>`__ (customized)
 * `F2py <http://f2py.sourceforge.net/docs/>`__
-* `Generic Mapping Tools (GMT) <http://gmt.soest.hawaii.edu/doc/latest/>`__ (customized)
+* `Generic Mapping Tools (GMT) <https://gmt.soest.hawaii.edu/doc/latest/>`__ (customized)
 * `Genomedata <https://noble.gs.washington.edu/proj/genomedata/doc/1.3.3/>`__
 * `GetFEM++ <http://getfem.org/>`__ (customized)
 * `Glasgow Haskell Compiler <https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/>`__ (customized)
 * `Grok <http://grok.zope.org/doc/current/>`__ (customized)
 * `GROMACS <http://manual.gromacs.org/documentation/>`__
-* `GSL Shell <http://www.nongnu.org/gsl-shell/>`__
-* `Hands-on Python Tutorial <http://anh.cs.luc.edu/python/hands-on/3.1/handsonHtml/>`__
-* `Kaa <http://api.freevo.org/kaa-base/>`__ (customized)
-* `Leo <http://leoeditor.com/>`__
+* `GSL Shell <https://www.nongnu.org/gsl-shell/>`__
+* `Hands-on Python Tutorial <https://anh.cs.luc.edu/python/hands-on/3.1/handsonHtml/>`__
+* `Kaa <https://api.freevo.org/kaa-base/>`__ (customized)
+* `Leo <https://leoeditor.com/>`__
 * `LEPL <http://www.acooke.org/lepl/>`__ (customized)
-* `Mayavi <http://docs.enthought.com/mayavi/mayavi/>`__ (customized)
+* `Mayavi <https://docs.enthought.com/mayavi/mayavi/>`__ (customized)
 * `MediaGoblin <https://mediagoblin.readthedocs.io/>`__ (customized)
 * `mpmath <http://mpmath.org/doc/current/>`__
-* `OpenCV <http://docs.opencv.org/>`__ (customized)
+* `OpenCV <https://docs.opencv.org/>`__ (customized)
 * `OpenEXR <http://excamera.com/articles/26/doc/index.html>`__
 * `OpenGDA <http://www.opengda.org/gdadoc/html/>`__
 * `Peach^3 <https://peach3.nl/doc/latest/userdoc/>`__ (customized)
@@ -90,32 +90,32 @@ Documentation using the classic theme
 * `Python Packaging Authority <https://www.pypa.io/>`__ (customized)
 * `Ring programming language <http://ring-lang.sourceforge.net/doc/>`__ (customized)
 * `SageMath <https://doc.sagemath.org/>`__ (customized)
-* `Segway <http://noble.gs.washington.edu/proj/segway/doc/1.1.0/segway.html>`__
+* `Segway <https://noble.gs.washington.edu/proj/segway/doc/1.1.0/segway.html>`__
 * `simuPOP <http://simupop.sourceforge.net/manual_release/build/userGuide.html>`__ (customized)
 * `Sprox <http://sprox.org/>`__ (customized)
-* `SymPy <http://docs.sympy.org/>`__
+* `SymPy <https://docs.sympy.org/>`__
 * `TurboGears <https://turbogears.readthedocs.io/>`__ (customized)
-* `tvtk <http://docs.enthought.com/mayavi/tvtk/>`__
+* `tvtk <https://docs.enthought.com/mayavi/tvtk/>`__
 * `Varnish <https://www.varnish-cache.org/docs/>`__ (customized, alabaster for index)
 * `Waf <https://waf.io/apidocs/>`__
 * `wxPython Phoenix <https://wxpython.org/Phoenix/docs/html/main.html>`__ (customized
-* `z3c <http://www.ibiblio.org/paulcarduner/z3ctutorial/>`__
+* `z3c <https://www.ibiblio.org/paulcarduner/z3ctutorial/>`__
 * `zc.async <https://pythonhosted.org/zc.async/>`__ (customized)
 * `Zope <https://docs.zope.org/zope2/>`__ (customized)
 
 Documentation using the sphinxdoc theme
 ---------------------------------------
 
-* `cartopy <http://scitools.org.uk/cartopy/docs/latest/>`__
+* `cartopy <https://scitools.org.uk/cartopy/docs/latest/>`__
 * `Jython <http://www.jython.org/docs/>`__
 * `Matplotlib <https://matplotlib.org/>`__
-* `MDAnalysis Tutorial <http://www.mdanalysis.org/MDAnalysisTutorial/>`__
+* `MDAnalysis Tutorial <https://www.mdanalysis.org/MDAnalysisTutorial/>`__
 * `NetworkX <https://networkx.github.io/>`__
 * `PyCantonese <http://pycantonese.org/>`__
 * `Pyre <http://docs.danse.us/pyre/sphinx/>`__
 * `pySPACE <https://pyspace.github.io/pyspace/>`__
 * `Pysparse <http://pysparse.sourceforge.net/>`__
-* `PyTango <http://www.esrf.eu/computing/cs/tango/tango_doc/kernel_doc/pytango/latest/>`__
+* `PyTango <https://www.esrf.eu/computing/cs/tango/tango_doc/kernel_doc/pytango/latest/>`__
 * `Python Wild Magic <https://vmlaker.github.io/pythonwildmagic/>`__ (customized)
 * `Reteisi <http://www.reteisi.org/contents.html>`__ (customized)
 * `Sqlkit <http://sqlkit.argolinux.org/>`__ (customized)
@@ -130,12 +130,12 @@ Documentation using the nature theme
 * `jsFiddle <http://doc.jsfiddle.net/>`__
 * `libLAS <https://www.liblas.org/>`__ (customized)
 * `Lmod <https://lmod.readthedocs.io/>`__
-* `MapServer <http://mapserver.org/>`__ (customized)
+* `MapServer <https://mapserver.org/>`__ (customized)
 * `Pandas <https://pandas.pydata.org/pandas-docs/stable/>`__
 * `pyglet <https://pyglet.readthedocs.io/>`__ (customized)
 * `Setuptools <https://setuptools.readthedocs.io/>`__
 * `Spring Python <https://docs.spring.io/spring-python/1.2.x/sphinx/html/>`__
-* `StatsModels <http://www.statsmodels.org/>`__ (customized)
+* `StatsModels <https://www.statsmodels.org/>`__ (customized)
 * `Sylli <http://sylli.sourceforge.net/>`__
 
 Documentation using another builtin theme
@@ -143,13 +143,13 @@ Documentation using another builtin theme
 
 * `Breathe <https://breathe.readthedocs.io/>`__ (haiku)
 * `MPipe <https://vmlaker.github.io/mpipe/>`__ (sphinx13)
-* `NLTK <http://www.nltk.org/>`__ (agogo)
-* `Programmieren mit PyGTK und Glade (German) <http://www.florian-diesch.de/doc/python-und-glade/online/>`__ (agogo, customized)
+* `NLTK <https://www.nltk.org/>`__ (agogo)
+* `Programmieren mit PyGTK und Glade (German) <https://www.florian-diesch.de/doc/python-und-glade/online/>`__ (agogo, customized)
 * `PyPubSub <https://pypubsub.readthedocs.io/>`__ (bizstyle)
-* `Pylons <http://docs.pylonsproject.org/projects/pylons-webframework/>`__ (pyramid)
+* `Pylons <https://docs.pylonsproject.org/projects/pylons-webframework/>`__ (pyramid)
 * `Pyramid web framework <https://docs.pylonsproject.org/projects/pyramid/>`__ (pyramid)
 * `Sphinx <http://www.sphinx-doc.org/>`__ (sphinx13) :-)
-* `Valence <http://docs.valence.desire2learn.com/>`__ (haiku, customized)
+* `Valence <https://docs.valence.desire2learn.com/>`__ (haiku, customized)
 
 Documentation using sphinx_rtd_theme
 ------------------------------------
@@ -165,14 +165,14 @@ Documentation using sphinx_rtd_theme
 * `bootstrap-datepicker <https://bootstrap-datepicker.readthedocs.io/>`__
 * `Certbot <https://letsencrypt.readthedocs.io/>`__
 * `Chainer <https://docs.chainer.org/>`__ (customized)
-* `CherryPy <http://docs.cherrypy.org/>`__
+* `CherryPy <https://docs.cherrypy.org/>`__
 * `CodeIgniter <https://www.codeigniter.com/user_guide/>`__
 * `Conda <https://conda.io/docs/>`__
 * `Corda <https://docs.corda.net/>`__
 * `Dask <https://dask.pydata.org/>`__
 * `Databricks <https://docs.databricks.com/>`__ (customized)
 * `Dataiku DSS <https://doc.dataiku.com/>`__
-* `edX <http://docs.edx.org/>`__
+* `edX <https://docs.edx.org/>`__
 * `Electrum <http://docs.electrum.org/>`__
 * `Elemental <http://libelemental.org/documentation/dev/>`__
 * `ESWP3 <https://eswp3.readthedocs.io/>`__
@@ -228,17 +228,17 @@ Documentation using sphinx_rtd_theme
 * `Quex <http://quex.sourceforge.net/doc/html/main.html>`__
 * `Satchmo <http://docs.satchmoproject.com/>`__
 * `Scapy <https://scapy.readthedocs.io/>`__
-* `SimPy <http://simpy.readthedocs.io/>`__
-* `SlamData <http://docs.slamdata.com/>`__
+* `SimPy <https://simpy.readthedocs.io/>`__
+* `SlamData <https://newdocs.slamdata.com>`__
 * `Solidity <https://solidity.readthedocs.io/>`__
 * `Sonos Controller (SoCo) <http://docs.python-soco.com/>`__
 * `Sphinx AutoAPI <https://sphinx-autoapi.readthedocs.io/>`__
 * `sphinx-argparse <https://sphinx-argparse.readthedocs.io/>`__
 * `Sphinx-Gallery <https://sphinx-gallery.readthedocs.io/>`__ (customized)
 * `SpotBugs <https://spotbugs.readthedocs.io/>`__
-* `StarUML <http://docs.staruml.io/>`__
+* `StarUML <https://docs.staruml.io/>`__
 * `Sublime Text Unofficial Documentation <http://docs.sublimetext.info/>`__
-* `SunPy <http://docs.sunpy.org/>`__
+* `SunPy <https://docs.sunpy.org/>`__
 * `Sylius <http://docs.sylius.org/>`__
 * `Tango Controls <https://tango-controls.readthedocs.io/>`__ (customized)
 * `Topshelf <http://docs.topshelf-project.com/>`__
@@ -247,7 +247,7 @@ Documentation using sphinx_rtd_theme
 * `Tuleap <https://tuleap.net/doc/en/>`__
 * `TYPO3 <https://docs.typo3.org/>`__ (customized)
 * `uWSGI <https://uwsgi-docs.readthedocs.io/>`__
-* `Wagtail <http://docs.wagtail.io/>`__
+* `Wagtail <https://docs.wagtail.io/>`__
 * `Web Application Attack and Audit Framework (w3af) <http://docs.w3af.org/>`__
 * `Weblate <https://docs.weblate.org/>`__
 * `x265 <https://x265.readthedocs.io/>`__
@@ -257,7 +257,7 @@ Documentation using sphinx_bootstrap_theme
 ------------------------------------------
 
 * `Bootstrap Theme <https://ryan-roemer.github.io/sphinx-bootstrap-theme/>`__
-* `C/C++ Software Development with Eclipse <http://eclipsebook.in/>`__
+* `C/C++ Software Development with Eclipse <https://eclipsebook.in/>`__
 * `Dataverse <http://guides.dataverse.org/>`__
 * `e-cidadania <https://e-cidadania.readthedocs.io/>`__
 * `Hangfire <http://docs.hangfire.io/>`__
@@ -279,16 +279,16 @@ Documentation using a custom theme or integrated in a website
 * `CasperJS <http://docs.casperjs.org/>`__
 * `Ceph <http://docs.ceph.com/docs/master/>`__
 * `Chef <https://docs.chef.io/>`__
-* `CKAN <http://docs.ckan.org/>`__
-* `Confluent Platform <http://docs.confluent.io/>`__
+* `CKAN <https://docs.ckan.org/>`__
+* `Confluent Platform <https://docs.confluent.io/>`__
 * `Django <https://docs.djangoproject.com/>`__
-* `Doctrine <http://docs.doctrine-project.org/>`__
+* `Doctrine <https://www.doctrine-project.org/>`__
 * `Enterprise Toolkit for Acrobat products <https://www.adobe.com/devnet-docs/acrobatetk/>`__
 * `Gameduino <http://excamera.com/sphinx/gameduino/>`__
 * `gensim <https://radimrehurek.com/gensim/>`__
 * `GeoServer <http://docs.geoserver.org/>`__
 * `gevent <http://www.gevent.org/>`__
-* `GHC - Glasgow Haskell Compiler <http://downloads.haskell.org/~ghc/master/users-guide/>`__
+* `GHC - Glasgow Haskell Compiler <https://downloads.haskell.org/~ghc/master/users-guide/>`__
 * `Guzzle <http://docs.guzzlephp.org/en/stable/>`__
 * `H2O.ai <http://docs.h2o.ai/>`__
 * `Istihza (Turkish Python documentation project) <https://belgeler.yazbel.com/python-istihza/>`__
@@ -297,18 +297,18 @@ Documentation using a custom theme or integrated in a website
 * `Mako <http://docs.makotemplates.org/>`__
 * `MirrorBrain <http://mirrorbrain.org/docs/>`__
 * `MongoDB <https://docs.mongodb.com/>`__
-* `Music21 <http://web.mit.edu/music21/doc/>`__
+* `Music21 <https://web.mit.edu/music21/doc/>`__
 * `MyHDL <http://docs.myhdl.org/en/latest/>`__
 * `nose <https://nose.readthedocs.io/>`__
 * `ns-3 <https://www.nsnam.org/documentation/>`__
 * `NumPy <https://docs.scipy.org/doc/numpy/reference/>`__
 * `ObjectListView <http://objectlistview.sourceforge.net/python/>`__
 * `OpenERP <https://doc.odoo.com/>`__
-* `OpenCV <http://docs.opencv.org/>`__
+* `OpenCV <https://docs.opencv.org/>`__
 * `OpenLayers <http://docs.openlayers.org/>`__
-* `OpenTURNS <http://openturns.github.io/openturns/master/>`__
+* `OpenTURNS <https://openturns.github.io/openturns/master/>`__
 * `Open vSwitch <http://docs.openvswitch.org/>`__
-* `PlatformIO <http://docs.platformio.org/>`__
+* `PlatformIO <https://docs.platformio.org/>`__
 * `PyEphem <http://rhodesmill.org/pyephem/>`__
 * `Pygments <http://pygments.org/docs/>`__
 * `Plone User Manual (German) <https://www.hasecke.com/plone-benutzerhandbuch/4.0/>`__
@@ -316,20 +316,20 @@ Documentation using a custom theme or integrated in a website
 * `PyMOTW <https://pymotw.com/2/>`__
 * `python-aspectlib <https://python-aspectlib.readthedocs.io/>`__ (`sphinx_py3doc_enhanced_theme <https://pypi.org/project/sphinx_py3doc_enhanced_theme/>`__)
 * `QGIS <https://qgis.org/en/docs/index.html>`__
-* `qooxdoo <http://www.qooxdoo.org/current/>`__
+* `qooxdoo <https://www.qooxdoo.org/current/>`__
 * `Roundup <http://www.roundup-tracker.org/>`__
 * `SaltStack <https://docs.saltstack.com/>`__
 * `scikit-learn <http://scikit-learn.org/stable/>`__
 * `SciPy <https://docs.scipy.org/doc/scipy/refrence/>`__
 * `Scrapy <https://doc.scrapy.org/>`__
 * `Seaborn <https://seaborn.pydata.org/>`__
-* `Selenium <http://docs.seleniumhq.org/docs/>`__
+* `Selenium <https://docs.seleniumhq.org/docs/>`__
 * `Self <http://www.selflanguage.org/>`__
 * `Substance D <https://docs.pylonsproject.org/projects/substanced/>`__
 * `Sulu <http://docs.sulu.io/>`__
 * `SQLAlchemy <https://docs.sqlalchemy.org/>`__
 * `tinyTiM <http://tinytim.sourceforge.net/docs/2.0/>`__
-* `Twisted <http://twistedmatrix.com/documents/current/>`__
+* `Twisted <https://twistedmatrix.com/documents/current/>`__
 * `Ubuntu Packaging Guide <http://packaging.ubuntu.com/html/>`__
 * `WebFaction <https://docs.webfaction.com/>`__
 * `WTForms <https://wtforms.readthedocs.io/>`__
@@ -341,12 +341,12 @@ Homepages and other non-documentation sites
 * `Benoit Boissinot <https://bboissin.appspot.com/>`__ (classic, customized)
 * `Computer Networks, Parallelization, and Simulation Laboratory (CNPSLab) <https://lab.miletic.net/>`__ (sphinx_rtd_theme)
 * `Deep Learning Tutorials <http://www.deeplearning.net/tutorial/>`__ (sphinxdoc)
-* `Loyola University Chicago COMP 339-439 Distributed Systems course <http://books.cs.luc.edu/distributedsystems/>`__ (sphinx_bootstrap_theme)
+* `Loyola University Chicago COMP 339-439 Distributed Systems course <https://books.cs.luc.edu/distributedsystems/>`__ (sphinx_bootstrap_theme)
 * `Pylearn2 <http://www.deeplearning.net/software/pylearn2/>`__ (sphinxdoc, customized)
 * `PyXLL <https://www.pyxll.com/>`__ (sphinx_bootstrap_theme, customized)
 * `SciPy Cookbook <https://scipy-cookbook.readthedocs.io/>`__ (sphinx_rtd_theme)
 * `The Wine Cellar Book <https://www.thewinecellarbook.com/doc/en/>`__ (sphinxdoc)
-* `Thomas Cokelaer's Python, Sphinx and reStructuredText tutorials <http://thomas-cokelaer.info/tutorials/>`__ (standard)
+* `Thomas Cokelaer's Python, Sphinx and reStructuredText tutorials <https://thomas-cokelaer.info/tutorials/>`__ (standard)
 * `UC Berkeley ME233 Advanced Control Systems II course <https://berkeley-me233.github.io/>`__ (sphinxdoc)
 
 Books produced using Sphinx
@@ -357,7 +357,7 @@ Books produced using Sphinx
 * `"Expert Python Programming" <https://www.packtpub.com/application-development/expert-python-programming>`__
 * `"Expert Python Programming" (Japanese translation) <https://www.amazon.co.jp/dp/4048686291/>`__
 * `"Expert Python Programming 2nd Edition" (Japanese translation) <https://www.amazon.co.jp/dp/4048930613/>`__
-* `"The Hitchhiker's Guide to Python" <http://docs.python-guide.org/en/latest/>`__
+* `"The Hitchhiker's Guide to Python" <https://docs.python-guide.org/>`__
 * `"LassoGuide" <http://www.lassosoft.com/Lasso-Documentation>`__
 * `"Learning Sphinx" (in Japanese) <https://www.oreilly.co.jp/books/9784873116488/>`__
 * `"Learning System Programming with Go (Japanese)" <https://www.lambdanote.com/products/go>`__
@@ -374,7 +374,7 @@ Books produced using Sphinx
 * `"The Self-Taught Programmer" (Japanese translation) <https://www.amazon.co.jp/dp/4822292274/>`__
 * `"Simple and Steady Way of Learning for Software Engineering" (in Japanese) <https://www.amazon.co.jp/dp/477414259X/>`__
 * `"Software-Dokumentation mit Sphinx" <https://www.amazon.de/dp/1497448689/>`__
-* `"Theoretical Physics Reference" <http://www.theoretical-physics.net/>`__
+* `"Theoretical Physics Reference" <https://www.theoretical-physics.net/>`__
 * `"The Varnish Book" <https://info.varnish-software.com/the-varnish-book>`__
 
 Theses produced using Sphinx
diff --git a/doc/develop.rst b/doc/develop.rst
index d2a51b8e2..60ccaf79b 100644
--- a/doc/develop.rst
+++ b/doc/develop.rst
@@ -127,7 +127,7 @@ own extensions.
 .. _NumPy style: https://github.com/numpy/numpy/blob/master/doc/HOWTO_DOCUMENT.rst.txt
 .. _hyphenator: https://github.com/mnater/hyphenator
 .. _exceltable: https://pythonhosted.org/sphinxcontrib-exceltable/
-.. _YouTube: http://www.youtube.com/
+.. _YouTube: https://www.youtube.com/
 .. _ClearQuest: https://www.ibm.com/us-en/marketplace/rational-clearquest
 .. _Zope interfaces: https://zopeinterface.readthedocs.io/en/latest/README.html
 .. _slideshare: https://www.slideshare.net/
diff --git a/doc/faq.rst b/doc/faq.rst
index b2d6cc9e6..021143f40 100644
--- a/doc/faq.rst
+++ b/doc/faq.rst
@@ -205,7 +205,7 @@ The following list gives some hints for the creation of epub files:
 .. _Epubcheck: https://github.com/IDPF/epubcheck
 .. _Calibre: https://calibre-ebook.com/
 .. _FBreader: https://fbreader.org/
-.. _Bookworm: http://www.oreilly.com/bookworm/index.html
+.. _Bookworm: https://www.oreilly.com/bookworm/index.html
 .. _kindlegen: https://www.amazon.com/gp/feature.html?docId=1000765211
 
 .. _texinfo-faq:
diff --git a/doc/intl.rst b/doc/intl.rst
index 129665dde..ab062dca1 100644
--- a/doc/intl.rst
+++ b/doc/intl.rst
@@ -326,4 +326,4 @@ There is `sphinx translation page`_ for Sphinx (master) documentation.
 .. _`sphinx-intl`: https://pypi.org/project/sphinx-intl/
 .. _Transifex: https://www.transifex.com/
 .. _`sphinx translation page`: https://www.transifex.com/sphinx-doc/sphinx-doc/
-.. _`Transifex Client documentation`: http://docs.transifex.com/developer/client/
+.. _`Transifex Client documentation`: https://docs.transifex.com/client/introduction/
diff --git a/doc/usage/builders/index.rst b/doc/usage/builders/index.rst
index 80c9b65ac..e7ad13bd1 100644
--- a/doc/usage/builders/index.rst
+++ b/doc/usage/builders/index.rst
@@ -216,7 +216,7 @@ Note that a direct PDF builder is being provided by `rinohtype`_. The builder's
 name is ``rinoh``. Refer to the `rinohtype manual`_ for details.
 
 .. _rinohtype: https://github.com/brechtm/rinohtype
-.. _rinohtype manual: http://www.mos6581.org/rinohtype/quickstart.html#sphinx-builder
+.. _rinohtype manual: https://www.mos6581.org/rinohtype/quickstart.html#sphinx-builder
 
 .. module:: sphinx.builders.text
 .. class:: TextBuilder
diff --git a/doc/usage/extensions/math.rst b/doc/usage/extensions/math.rst
index 9daa03186..9e62c1425 100644
--- a/doc/usage/extensions/math.rst
+++ b/doc/usage/extensions/math.rst
@@ -183,7 +183,7 @@ Sphinx.
 
    The default is empty (not configured).
 
-.. _Using in-line configuration options: http://docs.mathjax.org/en/latest/configuration.html#using-in-line-configuration-options
+.. _Using in-line configuration options: https://docs.mathjax.org/en/latest/configuration.html#using-in-line-configuration-options
 
 :mod:`sphinx.ext.jsmath` -- Render math via JavaScript
 ------------------------------------------------------
diff --git a/doc/usage/installation.rst b/doc/usage/installation.rst
index 5c0d7de75..d5a7211cc 100644
--- a/doc/usage/installation.rst
+++ b/doc/usage/installation.rst
@@ -15,7 +15,7 @@ Overview
 Sphinx is written in `Python`__ and supports both Python 2.7 and Python 3.3+.
 We recommend the latter.
 
-__ http://docs.python-guide.org/en/latest/
+__ https://docs.python-guide.org/
 
 
 Linux
@@ -73,7 +73,7 @@ Homebrew
 
 For more information, refer to the `package overview`__.
 
-__ http://formulae.brew.sh/formula/sphinx-doc
+__ https://formulae.brew.sh/formula/sphinx-doc
 
 MacPorts
 ~~~~~~~~
@@ -121,9 +121,9 @@ Once Python is installed, you can install Sphinx using :command:`pip`.  Refer
 to the :ref:`pip installation instructions <install-pypi>` below for more
 information.
 
-__ http://docs.python-guide.org/en/latest/
-__ http://docs.python-guide.org/en/latest/starting/install3/win/
-__ http://docs.python-guide.org/en/latest/starting/install/win/
+__ https://docs.python-guide.org/
+__ https://docs.python-guide.org/starting/install3/win/
+__ https://docs.python-guide.org/starting/install/win/
 
 
 .. _install-pypi:
diff --git a/doc/usage/markdown.rst b/doc/usage/markdown.rst
index f67b94cbd..ed0cce013 100644
--- a/doc/usage/markdown.rst
+++ b/doc/usage/markdown.rst
@@ -15,7 +15,7 @@ parsing the `CommonMark`__ Markdown flavor.
 __ https://daringfireball.net/projects/markdown/
 __ https://recommonmark.readthedocs.io/en/latest/index.html
 __ https://github.com/rtfd/CommonMark-py
-__ http://commonmark.org/
+__ https://commonmark.org/
 
 Configuration
 -------------
diff --git a/sphinx/builders/htmlhelp.py b/sphinx/builders/htmlhelp.py
index 4d5172a8f..252e5050d 100644
--- a/sphinx/builders/htmlhelp.py
+++ b/sphinx/builders/htmlhelp.py
@@ -133,8 +133,9 @@ that  the  their  then  there  these  they  this  to
 was  will  with
 """.split()
 
-# The following list includes only languages supported by Sphinx.
-# See http://msdn.microsoft.com/en-us/library/ms930130.aspx for more.
+# The following list includes only languages supported by Sphinx. See
+# https://docs.microsoft.com/en-us/previous-versions/windows/embedded/ms930130(v=msdn.10)
+# for more.
 chm_locales = {
     # lang:   LCID,  encoding
     'ca':    (0x403, 'cp1252'),
diff --git a/sphinx/domains/cpp.py b/sphinx/domains/cpp.py
index 81ad46ee7..190f95bfc 100644
--- a/sphinx/domains/cpp.py
+++ b/sphinx/domains/cpp.py
@@ -72,7 +72,7 @@ logger = logging.getLogger(__name__)
     Grammar
     ----------------------------------------------------------------------------
 
-    See http://www.nongnu.org/hcb/ for the grammar,
+    See https://www.nongnu.org/hcb/ for the grammar,
     and https://github.com/cplusplus/draft/blob/master/source/grammar.tex,
     and https://github.com/cplusplus/concepts-ts
     for the newest grammar.
@@ -336,7 +336,7 @@ _fold_operator_re = re.compile(r'''(?x)
     |   !=
     |   [<>=/*%+|&^~-]=?
 ''')
-# see http://en.cppreference.com/w/cpp/keyword
+# see https://en.cppreference.com/w/cpp/keyword
 _keywords = [
     'alignas', 'alignof', 'and', 'and_eq', 'asm', 'auto', 'bitand', 'bitor',
     'bool', 'break', 'case', 'catch', 'char', 'char16_t', 'char32_t', 'class',
@@ -4295,7 +4295,7 @@ class Symbol:
 
 class DefinitionParser:
     # those without signedness and size modifiers
-    # see http://en.cppreference.com/w/cpp/language/types
+    # see https://en.cppreference.com/w/cpp/language/types
     _simple_fundemental_types = (
         'void', 'bool', 'char', 'wchar_t', 'char16_t', 'char32_t', 'int',
         'float', 'double', 'auto'
diff --git a/sphinx/util/stemmer/porter.py b/sphinx/util/stemmer/porter.py
index 05abac644..4f2f1a089 100644
--- a/sphinx/util/stemmer/porter.py
+++ b/sphinx/util/stemmer/porter.py
@@ -14,7 +14,7 @@
 
     only differing from it at the points maked --DEPARTURE-- below.
 
-    See also http://www.tartarus.org/~martin/PorterStemmer
+    See also https://tartarus.org/martin/PorterStemmer/
 
     The algorithm as described in the paper could be exactly replicated
     by adjusting the points of DEPARTURE, but this is barely necessary,
diff --git a/tests/test_domain_cpp.py b/tests/test_domain_cpp.py
index a68cb008c..0d47f69b2 100644
--- a/tests/test_domain_cpp.py
+++ b/tests/test_domain_cpp.py
@@ -86,7 +86,7 @@ def check(name, input, idDict, output=None):
 
 
 def test_fundamental_types():
-    # see http://en.cppreference.com/w/cpp/language/types
+    # see https://en.cppreference.com/w/cpp/language/types
     for t, id_v2 in cppDomain._id_fundamental_v2.items():
         def makeIdV1():
             if t == 'decltype(auto)':