Backport commit 318722541 from Emacs

; Prefer HTTPS to HTTP in many URLs
3187225416c66061b67e89092addc15cad2202b9
Stefan Kangas
Sat Oct 15 13:06:45 2022 +0200

[ km: Note that the staff.science.uva.nl change in the "External
  Links" table will be discarded in the merge because the value is
  supposed to be an example of an http link, not an https one (which
  is covered by the next row). ]

doc/org-manual.org

@@ -3234,7 +3234,7 @@ options:
 
 | Link Type  | Example                                                  |
 |------------+----------------------------------------------------------|
-| http       | =http://staff.science.uva.nl/c.dominik/=                 |
+| http       | =https://staff.science.uva.nl/c.dominik/=                |
 | https      | =https://orgmode.org/=                                   |
 | doi        | =doi:10.1000/182=                                        |
 | file       | =file:/home/dominik/images/jupiter.jpg=                  |
@@ -3567,7 +3567,7 @@ replacement text.  Here is an example:
       '(("bugzilla"        . "http://10.1.2.9/bugzilla/show_bug.cgi?id=")
         ("Nu Html Checker" . "https://validator.w3.org/nu/?doc=%h")
 	("duckduckgo"      . "https://duckduckgo.com/?q=%s")
-        ("omap"            . "http://nominatim.openstreetmap.org/search?q=%s&polygon=1")
+        ("omap"            . "https://nominatim.openstreetmap.org/search?q=%s&polygon=1")
         ("ads"             . "https://ui.adsabs.harvard.edu/search/q=%20author%3A\"%s\"")))
 #+end_src
 
@@ -3596,7 +3596,7 @@ can define them in the file with
 
 #+cindex: @samp{LINK}, keyword
 #+begin_example
-,#+LINK: bugzilla  http://10.1.2.9/bugzilla/show_bug.cgi?id=
+,#+LINK: bugzilla  https://10.1.2.9/bugzilla/show_bug.cgi?id=
 ,#+LINK: duckduckgo https://duckduckgo.com/?q=%s
 #+end_example
 
@@ -13642,7 +13642,7 @@ not have descriptions, such as these links =[[file:img.jpg]]= or
 =[[./img.jpg]]=, as direct image insertions in the final PDF output.  In
 the PDF, they are no longer links but actual images embedded on the
 page.  The LaTeX export back-end uses =\includegraphics= macro to
-insert the image.  But for TikZ (http://sourceforge.net/projects/pgf/)
+insert the image.  But for TikZ (https://sourceforge.net/projects/pgf/)
 images, the back-end uses an ~\input~ macro wrapped within
 a ~tikzpicture~ environment.
 
@@ -13982,7 +13982,7 @@ some text in German...
 #+cindex: Markdown export
 
 The Markdown export back-end, "md", converts an Org file to Markdown
-format, as defined at http://daringfireball.net/projects/markdown/.
+format, as defined at https://daringfireball.net/projects/markdown/.
 
 Since it is built on top of the HTML back-end (see [[*HTML Export]]), it
 converts every Org construct not defined in Markdown syntax, such as
@@ -22053,7 +22053,7 @@ MathJax are processed.  When dvipng, dvisvgm, or ImageMagick suite is
 used to create images, any LaTeX environment is handled.
 
 [fn:112] These are respectively available at
-[[http://sourceforge.net/projects/dvipng/]], [[http://dvisvgm.bplaced.net/]]
+[[https://sourceforge.net/projects/dvipng/]], [[http://dvisvgm.bplaced.net/]]
 and from the ImageMagick suite.  Choose the converter by setting the
 variable ~org-preview-latex-default-process~ accordingly.
 
@@ -22123,9 +22123,9 @@ semantic relevance.
 
 [fn:130] Please note that exported formulas are part of an HTML
 document, and that signs such as =<=, =>=, or =&= have special
-meanings.  See [[http://docs.mathjax.org/en/latest/tex.html#tex-and-latex-in-html-documents][MathJax TeX and LaTeX support]].
+meanings.  See [[https://docs.mathjax.org/en/latest/tex.html#tex-and-latex-in-html-documents][MathJax TeX and LaTeX support]].
 
-[fn:131] See [[http://docs.mathjax.org/en/latest/tex.html#tex-extensions][TeX and LaTeX extensions]] in the [[http://docs.mathjax.org][MathJax manual]] to learn
+[fn:131] See [[https://docs.mathjax.org/en/latest/tex.html#tex-extensions][TeX and LaTeX extensions]] in the [[https://docs.mathjax.org][MathJax manual]] to learn
 about extensions.
 
 [fn:132] If the classes on TODO keywords and tags lead to conflicts,
@@ -22140,14 +22140,14 @@ as latexmk, can select the correct bibliography compiler.
 which requires the flag =-shell-escape= to be added to
 ~org-latex-pdf-process~.
 
-[fn:135] See [[http://docs.oasis-open.org/office/v1.2/OpenDocument-v1.2.html][Open Document Format for Office Applications
+[fn:135] See [[https://docs.oasis-open.org/office/v1.2/OpenDocument-v1.2.html][Open Document Format for Office Applications
 (OpenDocument) Version 1.2]].
 
 [fn:136] See [[http://www.mathtoweb.com/cgi-bin/mathtoweb_home.pl][MathToWeb]].
 
-[fn:137] See [[http://dlmf.nist.gov/LaTeXML/]].
+[fn:137] See [[https://dlmf.nist.gov/LaTeXML/]].
 
-[fn:138] [[http://docs.oasis-open.org/office/v1.2/OpenDocument-v1.2.html][OpenDocument-v1.2 Specification]]
+[fn:138] [[https://docs.oasis-open.org/office/v1.2/OpenDocument-v1.2.html][OpenDocument-v1.2 Specification]]
 
 [fn:139] See the =<table:table-template>= element of the
 OpenDocument-v1.2 specification.
@@ -22170,7 +22170,7 @@ are not evaluated when they appear in a keyword (see [[*Summary of
 In-Buffer Settings]]).
 
 [fn:144] For noweb literate programming details, see
-http://www.cs.tufts.edu/~nr/noweb/.
+https://www.cs.tufts.edu/~nr/noweb/.
 
 [fn:145] For more information, please refer to the commentary section
 in =org-tempo.el=.

lisp/ob-matlab.el

@@ -32,7 +32,7 @@
 
 ;; matlab.el required for interactive emacs sessions and matlab-mode
 ;; major mode for source code editing buffer
-;; http://matlab-emacs.sourceforge.net/
+;; https://matlab-emacs.sourceforge.net/
 
 ;;; Code:
 (require 'ob)

lisp/ob-plantuml.el

@@ -30,7 +30,7 @@
 
 ;;; Requirements:
 
-;; plantuml     | http://plantuml.sourceforge.net/
+;; plantuml     | https://plantuml.com/
 ;; plantuml.jar | `org-plantuml-jar-path' should point to the jar file (when exec mode is `jar')
 
 ;;; Code:

lisp/org-ctags.el

@@ -47,7 +47,7 @@
 ;;
 ;; Install org mode
 ;; Ensure org-ctags.el is somewhere in your emacs load path.
-;; Download and install Exuberant ctags -- "http://ctags.sourceforge.net/"
+;; Download and install Exuberant ctags -- "https://ctags.sourceforge.net/"
 ;; Edit your .emacs file (see next section) and load emacs.
 
 ;; To put in your init file (.emacs):

lisp/org-protocol.el

@@ -66,7 +66,7 @@
 ;;
 ;;
 ;; As of March 2009 Firefox users follow the steps documented on
-;; http://kb.mozillazine.org/Register_protocol, Opera setup is described here:
+;; https://kb.mozillazine.org/Register_protocol, Opera setup is described here:
 ;; http://www.opera.com/support/kb/view/535/
 ;;
 ;;