Zap setting `org-latex-classes' in "lst:ox-latex-emacs-lisp-setup"

README.org

@@ -1940,16 +1940,11 @@ Emacs will complain that ~TeX-master~ is no safe local variable in case it reads
 a LaTeX file that sets ~TeX-master~.  The list below summarizes the main [[https://en.wikipedia.org/wiki/AUCTeX][AUCTeX]]
 configuration objectives:
 1. Listing [[lst:set-tex-options]] ensures installation of [[https://en.wikipedia.org/wiki/AUCTeX][AUCTeX]] and initializes
-   [[https://en.wikipedia.org/wiki/AUCTeX][AUCTeX]] properly for =LuaTeX= or =LuaLaTeX=.
-2. Listing [[lst:set-tex-options]] also enables *indenting between square brackets*
-   which is a recent feature.
-3. Listing [[lst:update-lualatex-opentype-font-name-database]] defines a function to
-   update the =OpenType Font= name database for =LuaLaTeX= when the output of
- =LuaLaTeX= shows missing fonts.
-4. Listing [[lst:set-bibtex-options]] configures the Emacs =bibtex= library to use
-   the LaTeX =BiBTeX= dialect for backwards compatibility.
-5. Listing [[lst:set-font-latex-options]] disables font scaling of section titles.
-6. Listing [[lst:set-latex-options]] configures =latex= for a full featured
+   [[https://en.wikipedia.org/wiki/AUCTeX][AUCTeX]] properly for =LuaTeX= or =LuaLaTeX=.  Listing [[lst:set-tex-options]] also
+   enables *indenting between square brackets* which is a recent feature.
+2. Listing [[lst:set-latex-related-options]] configures the Emacs =bibtex= library
+   to use the LaTeX =BiBTeX= dialect for backwards compatibility, disables font
+   scaling of section titles, and configures =latex= for a full featured
  =LaTeX-section-command=.
 
 #+caption[Ensure =AUCTeX= installation and set =TeX= option]:
@@ -1969,43 +1964,16 @@ configuration objectives:
      TeX-electric-math nil)))
 #+end_src
 
-#+caption[Update the =LuaLaTeX OpenType Font=  name database]:
-#+caption: Update the =LuaLaTeX= =OpenType Font= name database.
-#+name: lst:update-lualatex-opentype-font-name-database
-#+begin_src emacs-lisp -n :results silent
-(with-eval-after-load 'emacs
-  (defun update-lualatex-opentype-font-name-database ()
-    "Update the \"OpenType Font\" name database for \"LuaLaTeX\"."
-    (interactive)
-    (let* ((pair (get-program-code-output
-                  "luaotfload-tool" "-vv" "--update" "--force"))
-           (return-code (car pair))
-           (output (cdr pair)))
-      (if (= 0 return-code)
-          (message "%s" (string-trim output))
-        (error "%s" (string-trim output))))))
-#+end_src
-
-#+caption[Set =bibtex= options]:
+#+caption[Set =LaTeX= options]:
 #+caption: Set =bibtex= options.
-#+name: lst:set-bibtex-options
+#+name: lst:set-latex-related-options
 #+begin_src emacs-lisp -n :results silent
 (with-eval-after-load 'bibtex
   (setopt bibtex-dialect 'BibTeX))
-#+end_src
 
-#+caption[Set =font-latex= options]:
-#+caption: Set =font-latex= options.
-#+name: lst:set-font-latex-options
-#+begin_src emacs-lisp -n :results silent
 (with-eval-after-load 'font-latex
   (setopt font-latex-fontify-sectioning 1.0))
-#+end_src
 
-#+caption[Set =latex= options]:
-#+caption: Set =latex= options.
-#+name: lst:set-latex-options
-#+begin_src emacs-lisp -n :results silent
 (with-eval-after-load 'latex
   (setopt LaTeX-electric-left-right-brace t
           LaTeX-section-hook '(LaTeX-section-heading
@@ -2627,30 +2595,6 @@ valid directories and files.  In an [[https://orgmode.org/][Org-mode]] buffer th
    1. src_emacs-lisp{(call-interactively 'citar-insert-citation)}.
    2. src_emacs-lisp[:results silent]{(call-interactively 'citar-open)}.
 
-*** TODO Compare bibtex and biblatex
-1. [[https://www.economics.utoronto.ca/osborne/latex/BIBTEX.HTM][Using bibtex: a short guide]]
-2. [[https://www.tug.org/texlive//devsrc/Master/texmf-dist/doc/latex/biblatex/biblatex.pdf][The biblatex package]]
-3. [[https://github.com/yuchenlin/rebiber][Rebiber: A tool for normalizing bibtex with official info]]
-4. [[https://github.com/josephwright/biblatex-phys][A biblatex implementation of the AIP and APS bibliography style]]
-
-#+caption[Delete =Biber= cache when =Biber= fails to make a bibliography]:
-#+caption: Delete =Biber= cache when =Biber= fails to make a bibliography.
-#+name: lst:delete-biber-cache
-#+begin_src emacs-lisp -n :results silent
-(with-eval-after-load 'emacs
-  ;; https://tex.stackexchange.com/a/579356 answers
-  ;; "How to solve Biber exiting with error code 2 but no error messages?"
-  (defun biber-delete-cache ()
-    "Delete the `Biber' cache to get rid of `Biber' exit code 2."
-    (interactive)
-    (let* ((pair (get-program-code-output  "rm" "-rf" "$(biber --cache)"))
-           (return-code (car pair))
-           (output (cdr pair)))
-      (if (= 0 return-code)
-          (message "%s" (string-trim output))
-        (error "%s" (string-trim output))))))
-#+end_src
-
 *** [[https://github.com/tecosaur/engrave-faces#readme][Engrave Faces]]
 :PROPERTIES:
 :CUSTOM_ID: sec:engrave-faces
@@ -3549,19 +3493,6 @@ those variables control exporting from Org-mode to LaTeX.
   ;; customizing-org-latex-title-command-to-edit-title-page
   ;; https://tex.stackexchange.com/questions/506102/
   ;; adding-header-and-footer-to-custom-titlepage
-  (make-local-variable 'org-latex-classes)
-  (cl-pushnew '("article-local"
-                "\\documentclass[11pt]{article}
-[NO-DEFAULT-PACKAGES]
-[PACKAGES]
-[EXTRA]"
-                ("\\section{%s}" . "\\section*{%s}")
-                ("\\subsection{%s}" . "\\subsection*{%s}")
-                ("\\subsubsection{%s}" . "\\subsubsection*{%s}")
-                ("\\paragraph{%s}" . "\\paragraph*{%s}")
-                ("\\subparagraph{%s}" . "\\subparagraph*{%s}"))
-              org-latex-classes :key #'car :test #'equal)
-
   (setq-local org-latex-title-command "\\begin{titlepage}
   %% https://emacs.stackexchange.com/questions/47347/
   %% customizing-org-latex-title-command-to-edit-title-page