Fixes in egrave-faces make these work-arounds superfluous

README.org

@@ -1463,8 +1463,6 @@ completion function [[info:elisp#Minibuffer Completion][completing-read]].  List
   ;; C-c bindings (current-global-map)
   (global-set-key (kbd "C-c h") #'consult-history)
   (global-set-key (kbd "C-c m") #'consult-mode-command)
-  ;; C-h bindings (help-map)
-  (define-key help-map (kbd "a") #'consult-apropos)
   ;; C-x bindings (ctl-x-map)
   (define-key ctl-x-map (kbd "M-:") #'consult-complex-command)
   (define-key ctl-x-map (kbd "b") #'consult-buffer)
@@ -2046,29 +2044,26 @@ list detailing and motivating each listing:
 #+name: lst:set-org-options
 #+begin_src emacs-lisp
 (with-eval-after-load 'org
-  (custom-set-variables
-   `(org-babel-load-languages
-     (delq nil '((C . t)
-                 (calc . t)
-                 ,(when (fboundp 'grapviz-dot-mode) '(dot . t))
-                 (emacs-lisp . t)
-                 (eshell . t)
-                 ,(when (fboundp 'fennel-mode) '(fennel . t))
-                 (fortran . t)
-                 ,(when (fboundp 'gnuplot-mode) '(gnuplot . t))
-                 (js . t)
-                 (latex . t)
-                 (lisp . t)
-                 ,(when (fboundp 'lua-mode) '(lua . t))
-                 ,(when (fboundp 'maxima-mode) '(maxima . t))
-                 (org . t)
-                 (perl . t)
-                 ;; The next two functions are not bound during bootstrap.
-                 ,(when (and (fboundp 'choose-common-python-interpreter)
-                             (fboundp 'choose-common-python-linter))
-                    '(python . t))
-                 (shell . t)))))
   (setopt
+   org-babel-load-languages
+   `((C . t)
+     (calc . t)
+     (dot . ,(fboundp 'grapviz-dot-mode))
+     (emacs-lisp . t)
+     (fortran . t)
+     (gnuplot . ,(fboundp 'gnuplot-mode))
+     (js . t)
+     (latex . t)
+     (lisp . t)
+     (lua . ,(fboundp 'lua-mode))
+     (maxima . ,(fboundp 'maxima-mode))
+     (org . t)
+     (perl . t)
+     ;; The Python setup uses the two functions below.
+     ;; Those functions are not yet bound during bootstrap.
+     (python . ,(and (fboundp 'choose-common-python-interpreter)
+                     (fboundp 'choose-common-python-linter)))
+     (shell . t))
    org-export-backends '(ascii beamer html icalendar latex odt texinfo)
    org-file-apps '((auto-mode . emacs)
                    (directory . emacs)
@@ -2091,13 +2086,13 @@ list detailing and motivating each listing:
                                   ("l" . "export latex")
                                   ("q" . "quote")
                                   ("s" . "src")
-                                  ("p" . "src python -i :session")
+                                  ("p" . "src python -n -i :session")
                                   ("v" . "verse"))))
 #+end_src
 
-#+caption[Set =org-babel= options]:
+#+caption[Setup =org-babel=]:
-#+caption: Set =org-babel=.
+#+caption: Setup =org-babel=.
-#+name: lst:set-org-babel-options
+#+name: lst:setup-org-babel
 #+begin_src emacs-lisp
 (with-eval-after-load 'ob-core
   (setopt org-confirm-babel-evaluate nil))
@@ -2511,7 +2506,8 @@ this facility to a level acceptable for my workflow:
    blocks to "floating unbreakable with caption" or "non-floating breakable
    without caption" LaTeX environments.  This is a partial work-around, but part
    of my workflow.
-2. Listing [[lst:ensure-engrave-faces-with-latex-face-apply-fix]] makes
+2. Fixed in [[https://elpa.gnu.org/devel/engrave-faces.html][engrave-faces-0.3.1.0.20230115.70118]]: listing
+   [[lst:ensure-engrave-faces-with-latex-face-apply-fix]] makes
    =engrave-faces-latex-face-apply= handle symbolic color name strings (in
    addition to the hexadecimal strings).  Since faces in for instance
    src_emacs-lisp{(find-library "org-faces")} and src_emacs-lisp{(find-library
@@ -2523,7 +2519,8 @@ this facility to a level acceptable for my workflow:
    obtain the same result.  Currently, I prefer to tangle listing
    [[lst:ensure-engrave-faces-with-attribute-values-fix]] to the =user-init-file=
    instead of listing [[lst:ensure-engrave-faces-with-latex-face-apply-fix]].
-3. Listing [[lst:ensure-engrave-faces-with-latex-face-mapper-fix]] makes
+3. Fixed in [[https://elpa.gnu.org/devel/engrave-faces.html][engrave-faces-0.3.1.0.20230115.70118]]: listing
+   [[lst:ensure-engrave-faces-with-latex-face-mapper-fix]] makes
    =engrave-faces-latex-face-mapper= handle horizontal and vertical spacing in
    multiple line documentation strings correctly. For instance, without this fix
    the mishandling of vertical and horizontal spacing destroys the indentation
@@ -2590,6 +2587,7 @@ environments and non-floating breakable LaTeX environments by means of
 \\renewcommand\\theFancyVerbLine{
   \\normalsize\\color{black!40!white}\\arabic{FancyVerbLine}}
 % In case engrave-faces-latex-gen-preamble has not been run.
+\\usepackage{xcolor}
 \\providecolor{EfD}{HTML}{f7f7f7}
 \\providecolor{EFD}{HTML}{28292e}
 % To use \\DeclareTColorBox from the tcolorbox package:
@@ -2657,7 +2655,7 @@ environments and non-floating breakable LaTeX environments by means of
 #+caption[Fix engraving of symbolic color names in =engrave-faces=]:
 #+caption: Fix engraving of symbolic colors names in =engrave-faces=.
 #+name: lst:ensure-engrave-faces-with-attribute-values-fix
-#+begin_src emacs-lisp
+#+begin_src emacs-lisp :tangle no
 (when (require 'engrave-faces nil t)
   (defun engrave-faces-attribute-values-around (efav-fun &rest args)
     (let ((values (apply efav-fun args))
@@ -2680,7 +2678,7 @@ environments and non-floating breakable LaTeX environments by means of
 #+caption: Fix engraving of horizontal and vertical spacing in multiple line
 #+caption: documentation strings.
 #+name: lst:ensure-engrave-faces-with-latex-face-mapper-fix
-#+begin_src emacs-lisp
+#+begin_src emacs-lisp :tangle no
 (when (require 'engrave-faces-latex nil t)
   (defun engrave-faces-latex-face-mapper-override (faces content)
     "Create a LaTeX representation of CONTENT with FACES applied."
@@ -3871,14 +3869,15 @@ Listing [[lst:configure-writegood-mode]] configures [[https://github.com/bnbeckw
 :CUSTOM_ID: sec:programming-tools
 :END:
 
-** [[info:eglot#Top][Eglot (info)]] or [[https://github.com/joaotavora/eglot][Eglot]]
+** [[info:eglot#Top][Eglot (info)]]
 :PROPERTIES:
 :CUSTOM_ID: sec:eglot
 :END:
 
 [[https://github.com/joaotavora/eglot#readme][Emacs polyGLOT (Eglot)]] is an Emacs language-server-protocol client that stays
-out of the way.  The following listings contribute to a programming language
+out of your way.  [[info:eglot#Top][Eglot (info)]] is a builtin since Emacs-29.0.60.  The following
-mode independent [[https://github.com/joaotavora/eglot][Eglot]] configuration:
+listings contribute to a programming language mode independent [[https://github.com/joaotavora/eglot][Eglot]]
+configuration:
 1. Listing [[lst:minimal-eglot-setup][minimal Eglot setup]] ensures installation of [[https://github.com/joaotavora/eglot][Eglot]], shows how to get
    debug information from the [[https://github.com/python-lsp/python-lsp-server][Python LSP server]], and adds key bindings to
    =eglot-mode-keymap=.
@@ -4272,7 +4271,8 @@ install and use [[https://gitlab.com/andreyorst/ob-fennel][ob-fennel]] with the
            (ensure-package-installation 'fennel-mode 'quelpa))
   (unless (package-installed-p 'ob-fennel)
     (quelpa '(ob-fennel :repo "andreyorst/ob-fennel" :fetcher gitlab)))
-  (ensure-package-selection 'ob-fennel))
+  (when (ensure-package-selection 'ob-fennel)
+    (org-babel-do-load-languages 'fennel (fboundp 'fennel-mode))))
 #+end_src
 
 #+caption[Fennel example]:
@@ -4350,9 +4350,11 @@ print(1+1);
 :PROPERTIES:
 :CUSTOM_ID: sec:python-programming
 :END:
+
 The [[https://www.emacswiki.org/emacs/PythonProgrammingInEmacs][Python Programming in Emacs]] wiki page lists options to enhance Emacs's
-built-in ~python-mode~. Here, the focus is on three packages:
+built-in ~python-mode~. Here, the focus is on two Emacs packages and four Python
-1. [[https://github.com/joaotavora/eglot][Eglot - Emacs polyGLOT: an Emacs LSP client that stays out of your way]].  The
+packages:
+1. [[#sec:eglot][Eglot - Emacs polyGLOT: a builtin LSP client since Emacs-29.0.60]].  The
    maintainer also contributes to Emacs itself and has a deep understanding of
    [[https://sheer.tj/the_way_of_emacs.html][the Way of Emacs]].  He refuses to add new features without seeing how they fit
    into [[https://sheer.tj/the_way_of_emacs.html][the Way of Emacs]] as this discussion on [[https://github.com/joaotavora/eglot/issues/523][org-mode source code blocks]]
@@ -4360,7 +4362,13 @@ built-in ~python-mode~. Here, the focus is on three packages:
 2. [[https://jedi.readthedocs.io/en/latest/][Jedi]] is a static analysis tool for Python that is typically used in plugins
    for editors or integrated development environments.  Jedi has a focus on
    autocompletion and object definition lookup functionality.
-3. [[https://github.com/astoff/code-cells.el#readme][Code-cells]] allows to edit [[https://ipython.org/notebook.html][IPython or Jupyter notebooks]] in Emacs with help
+3. [[https://github.com/charliermarsh/ruff#readme][Ruff]] is an extremely fast Python linter and a replacement for [[https://flake8.pycqa.org/en/latest/][Flake8]] with a
+   variety of its plugins.  [[https://notes.crmarsh.com/][Charlie Marsh]] explains why he started [[https://pypi.org/project/ruff/][Ruff]] in the
+   post [[https://notes.crmarsh.com/python-tooling-could-be-much-much-faster][Python tooling could be much faster]].
+4. [[https://github.com/python-lsp/python-lsp-server#readme][Python LSP Server]] is in my opinion the most complete [[https://en.wikipedia.org/wiki/Language_Server_Protocol][Language Server Protocol]]
+   implementation for Python and it handles [[https://github.com/charliermarsh/ruff#readme][Ruff]] thanks to the [[https://github.com/python-lsp/python-lsp-ruff][python-lsp-ruff]]
+   plugin.
+5. [[https://github.com/astoff/code-cells.el#readme][Code-cells]] allows to edit [[https://ipython.org/notebook.html][IPython or Jupyter notebooks]] in Emacs with help
    from either [[https://github.com/mwouts/jupytext][Jupytext]] or [[https://pandoc.org/][Pandoc]].
 
 Here are links covering how to integrate Emacs, Python and a Python LSP
@@ -4396,8 +4404,6 @@ of src_emacs-lisp{(choose-common-python-linter)} from:
 1. [[https://github.com/PyCQA/pyflakes][Pyflakes - simple tool which checks Python source files for errors]].
 2. [[https://flake8.pycqa.org/en/latest/][Flake8 - your tool for style guide enforcement]].
 3. [[https://github.com/charliermarsh/ruff][Ruff - an extremely fast Python linter written in Rust]].
-I use [[https://pypi.org/project/ruff/][Ruff]] to replace [[https://pypi.org/project/flake8/][Flake8]] with a variety of its plugins. [[https://notes.crmarsh.com/][Charlie Marsh]]
-explains why he started [[https://pypi.org/project/ruff/][Ruff]] in the post [[https://notes.crmarsh.com/python-tooling-could-be-much-much-faster][Python tooling could be much faster]].
 
 Listing [[lst:pyproject-toml-kickoff][kickoff pyproject.toml proposal]] facilitates dropping a [[https://pip.pypa.io/en/stable/reference/build-system/pyproject-toml][pyproject.toml]]
 file into Python projects which anyhow should switch to using a [[https://pip.pypa.io/en/stable/reference/build-system/pyproject-toml][pyproject.toml]]