Do not export TODO's and unused sections to PDF

README.org

@@ -1346,7 +1346,7 @@ print(payload := f"org-protocol://store-link?{parameters}")
 execvp("emacsclient", ("-n", payload))
 #+end_src
 
-** TODO Look into: org-protocol handling with other browser on Darwin
+** TODO Org-protocol handling with other browser on Darwin         :noexport:
 :PROPERTIES:
 :CUSTOM_ID: sec:org-protocol-darwin
 :END:
@@ -1635,14 +1635,6 @@ completion function [[info:elisp#Minibuffer Completion][completing-read]].  List
   (keymap-global-set "M-y" #'consult-yank-pop))
 #+end_src
 
-*** TODO Explore ~org-goto~ versus ~consult-org-heading~
-:PROPERTIES:
-:CUSTOM_ID: sec:todo-org-goto
-:END:
-
-Explore in particular ~auto-isearch~ (looks powerfull) and ~org-occur~ (looks
-mysterious) in the ~org-goto~ user interface.
-
 ** [[https://company-mode.github.io/][Company (info)]]
 :PROPERTIES:
 :CUSTOM_ID: sec:company-setup
@@ -2182,13 +2174,6 @@ configuration objectives:
                                LaTeX-section-label)))
 #+end_src
 
-*** TODO Improve the AUCTeX configuration slowly
-:PROPERTIES:
-:CUSTOM_ID: sec:setup-auctex-slowly
-:END:
-
-[[https://github.com/thisirs/dotemacs/blob/master/lisp/init-auctex.el][AUCTeX setup of an experienced user]]
-
 ** Writing [[https://www.markdownguide.org/][Markdown]] files
 :PROPERTIES:
 :CUSTOM_ID: sec:writing-markdown-files
@@ -6422,9 +6407,6 @@ configures =code-cells=.
       (keymap-set map "C-c C-c" #'code-cells-eval))))
 #+end_src
 
-*** TODO Look into: editing facilities
-1. [[https://github.com/douglasdavis/numpydoc.el/blob/main/numpydoc.el][Emacs extension to insert numpy style docstrings in function definitions]]
-
 * [[https://github.com/emacs-tw/awesome-emacs#library][Libraries]]
 :PROPERTIES:
 :CUSTOM_ID: sec:libraries
@@ -6987,9 +6969,10 @@ sets the =webjump-sites= option.
                                         "www.woorden.org/woord/" ""])))))
 #+end_src
 
-** [[info:gnus#Top][Reading News and Mail (info)]]
+** [[info:gnus#Top][Reading News and Mail (info)]]                                    :noexport:
 :PROPERTIES:
 :CUSTOM_ID: sec:reading-news-mail
+:header-args:emacs-lisp: :tangle no
 :END:
 
 Reading news and mail:
@@ -7037,9 +7020,10 @@ Password management:
   (setopt gnus-thread-hide-subtree t))
 #+end_src
 
-** [[info:emacs#Sending Mail][Sending Mail (info)]]
+** [[info:emacs#Sending Mail][Sending Mail (info)]]                                             :noexport:
 :PROPERTIES:
 :CUSTOM_ID: sec:sending-mail
+:header-args:emacs-lisp: :tangle no
 :END:
 
 1. [[https://macowners.club/posts/email-emacs-mu4e-macos/][Email setup in Emacs with Mu4e on macOS]]