diff --git a/README.org b/README.org
index 92263fc..d7a01ab 100644
--- a/README.org
+++ b/README.org
@@ -1,6 +1,6 @@
 #+title: Emacs setup for use with LaTeX, Org, and Python
 #+author: Gerard Vermeulen
-#+latex_class: article-1+2+3
+#+latex_class: article-local
 #+latex_class_options: [11pt,a4paper,english,svgnames,tables]
 #+setupfile: "setup-include.org"
 #+include: "setup-include.org"
@@ -2015,59 +2015,50 @@ Listing [[lst:use-latex-header-1]], [[lst:use-latex-header-2]], [[lst:use-latex-
 :CUSTOM_ID: sec:advanced-latex-export-settings
 :END:
 
-[[https://emacs.stackexchange.com/questions/47347/customizing-org-latex-title-command-to-edit-title-page][How to customize =org-latex-title-command= only in this buffer]]
+Listing [[lst:ox-latex-emacs-lisp-setup]] initializes the buffer local variables
+=org-latex-classes=, =org-latex-title-command=, =org-latex-toc-command=, and
+=org-latex-subtitle-format=.  Listing [[lst/title-page]] is a template to initialize
+=org-latex-title-command=.  Type {{{kbd(M-x org-latex-classes)}}}, {{{kbd(M-x
+org-latex-subtitle-format)}}}, {{{kbd(M-x org-latex-title-command)}}}, and
+{{{kbd(M-x org-latex-toc-command)}}} to read how those variables control
+exporting from Org-mode to LaTeX.
 
-#+caption[Define =my-ox-latex-export-buffer-local-variables=]:
-#+caption: Define =my-ox-latex-export-buffer-local-variables=.
-#+name: lst:emacs-lisp-setup-defun
+#+caption[Define buffer local =ox-latex= variables]:
+#+caption: Define buffer local =-ox-latex= variables.
+#+header: :var title-page=lst/title-page
+#+name: lst:ox-latex-emacs-lisp-setup
 #+begin_src emacs-lisp :results silent
-  (defun my-ox-latex-export-buffer-local-variables (title-page)
-    (with-eval-after-load 'ox
-      (make-variable-buffer-local 'org-export-before-parsing-hook)
-      (cl-pushnew #'org-latex-header-blocks-filter
-                  org-export-before-parsing-hook))
-    (when (require 'ox-latex nil 'noerror)
-      (make-variable-buffer-local 'org-latex-classes)
-      (cl-pushnew '("article-local"
-                    "\\documentclass[11pt]{article}
+  (when (require 'ox-latex nil 'noerror)
+    ;; https://emacs.stackexchange.com/questions/47347/
+    ;; customizing-org-latex-title-command-to-edit-title-page
+    (make-variable-buffer-local '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)
+                  ("\\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)
 
-      (make-variable-buffer-local 'org-latex-title-command)
-      (setq org-latex-title-command (concat title-page))
+    (make-variable-buffer-local 'org-latex-title-command)
+    (setq org-latex-title-command (concat title-page))
 
-      (make-variable-buffer-local 'org-latex-toc-command)
-      (setq org-latex-toc-command
-            (mapconcat 'identity '(""
-                                   "\\tableofcontents\\label{toc}"
-                                   "\\listoffigures"
-                                   "\\listoflistings"
-                                   "\\listoftables"
-                                   "\\newpage"
-                                   "") "\n"))
+    (make-variable-buffer-local 'org-latex-toc-command)
+    (setq org-latex-toc-command
+          (mapconcat 'identity '(""
+                                 "\\tableofcontents\\label{toc}"
+                                 "\\listoffigures"
+                                 "\\listoflistings"
+                                 "\\listoftables"
+                                 "\\newpage"
+                                 "") "\n"))
 
-      (make-variable-buffer-local 'org-latex-subtitle-format)
-      (setq org-latex-subtitle-format "")))
-#+end_src
-
-Listing [[lst:emacs-lisp-setup-call]] initializes the buffer local variables
-=org-export-before-parsing-hook=, =org-latex-classes=,
-=org-latex-title-command=, =org-latex-toc-command=, and
-=org-latex-subtitle-format=.
-
-#+caption[Call =my-ox-latex-export-local-variables=]:
-#+caption: Use the setup macro for =ox-latex=.
-#+name: lst:emacs-lisp-setup-call
-#+header: :var title-page=lst/title-page
-#+begin_src emacs-lisp :tangle no
-  (my-ox-latex-export-buffer-local-variables title-page)
+    (make-variable-buffer-local 'org-latex-subtitle-format)
+    (setq org-latex-subtitle-format ""))
 #+end_src
 
 #+caption[Show a title-page example for =org-latex-title-command=]: