Get rid of `toggle-TeX-brace-count-line-override'

README.org

@@ -627,12 +627,6 @@ and [[lst:3rd-window-management]] implement a selection of his recommendations.
 #+name: lst:toggle-specific-advice
 #+begin_src emacs-lisp
   (with-eval-after-load 'emacs
-     (defun toggle-TeX-brace-count-line-override ()
-       "Toggle `TeX-brace-count-line-override' advice."
-       (interactive)
-       (advice-toggle 'TeX-brace-count-line
-                      :override #'TeX-brace-count-line-override))
-
      (defun toggle-engrave-faces-latex-face-apply-override ()
        "Toggle `engrave-faces-latex-face-apply' advice."
        (interactive)
@@ -849,7 +843,6 @@ defined in this Org file.
       (define-short-documentation-group init
         "Advice"
         (advice-toggle :no-manual t)
-        (toggle-TeX-brace-count-line-override :no-manual t)
         (toggle-engrave-faces-latex-face-apply-override :no-manual t)
         (toggle-engrave-faces-latex-face-mapper-override :no-manual t)
         (toggle-eww-display-pdf-around :no-manual t)
@@ -1764,33 +1757,41 @@ rebuild the =epdfinfo= executable that serves the [[https://en.wikipedia.org/wik
 :END:
 
 Loading =tex.el= immediately instead of lazily ensures proper initialization of
-[[https://en.wikipedia.org/wiki/AUCTeX][AUCTeX]].  For instance, the ~TeX-master~ safe local variable in the =tex.el=
+[[https://en.wikipedia.org/wiki/AUCTeX][AUCTeX]].  In particular, the ~TeX-master~ safe local variable in the =tex.el=
 elisp library file has no autoload cookie.  Without prior loading of =tex.el=,
 Emacs will complain that ~TeX-master~ is no safe local variable in case it reads
-a LaTeX file that sets ~TeX-master~.  Listing [[lst:require-auctex]] initializes
+a LaTeX file that sets ~TeX-master~.  The list below summarizes the main [[https://en.wikipedia.org/wiki/AUCTeX][AUCTeX]]
-[[https://en.wikipedia.org/wiki/AUCTeX][AUCTeX]] properly for LuaTeX or LuaLaTeX.  In case the output of =LuaLaTeX= has
+configuration objectives:
-missing fonts, listing [[lst:update-lualatex-opentype-font-name-database]] defines a
+1. Listing [[lst:require-tex]] initializes [[https://en.wikipedia.org/wiki/AUCTeX][AUCTeX]] properly for =LuaTeX= or
-function to update the =OpenType Font= name database for =LuaLaTeX=.  Finally,
+ =LuaLaTeX=.
-out of the box, [[https://en.wikipedia.org/wiki/AUCTeX][AUCTeX]] does not indent text between square brackets.  The code
+2. Listing [[lst:require-tex]] also enables [[https://git.savannah.gnu.org/cgit/auctex.git/patch/?id=f464242eab092e610dda6b654e6fd197ef649d3eAA][indenting between square brackets]]
-in listing [[lst:configure-auctex]] corrects this by advising to override
+   which is a recent feature.
-~TeX-brace-count-line~ with ~TeX-brace-count-line-advice~.
+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:configure-bibtex]] configures the Emacs =bibtex= library to use the
+   LaTeX =BiBTeX= dialect for backwards compatibility.
+5. Listing [[lst:configure-font-latex]] disables font scaling of section titles.
+6. Listing [[lst:configure-latex]] configures =latex= for a full featured
+ =LaTeX-section-command=.
 
-#+caption[Require =AUCTeX=]:
+#+caption[Require and configure =TeX=]:
-#+caption: Require =AUCTeX=.
+#+caption: Require and configure =TeX=.
-#+name: lst:require-auctex
+#+name: lst:require-tex
 #+begin_src emacs-lisp
   ;; Use `require' to make `TeX-master' a safe local variable.
   (when (require 'tex nil 'noerror)
     (custom-set-variables
      '(TeX-auto-save t)
      '(TeX-engine 'luatex)
+     '(TeX-indent-close-delimiters "]")
+     '(TeX-indent-open-delimiters "[")
      '(TeX-install-font-lock #'font-latex-setup)
      '(TeX-parse-self t)
      ;; Disable `TeX-electric-math' to prevent collisions with `smartparens'.
      '(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
@@ -1807,44 +1808,6 @@ in listing [[lst:configure-auctex]] corrects this by advising to override
           (error "%s" (string-trim output))))))
 #+end_src
 
-#+caption[Configure =AUCTeX=]:
-#+caption: Configure =AUCTeX=.
-#+name: lst:configure-auctex
-#+begin_src emacs-lisp
-  (when (require 'tex nil 'noerror)
-    ;; https://emacs.stackexchange.com/a/35507 answers:
-    ;; How to indent between square brackets?
-    (defun TeX-brace-count-line-override ()
-      "Count number of open/closed braces."
-      (save-excursion
-        (let ((count 0) (limit (line-end-position)) char)
-          (while (progn
-                   (skip-chars-forward "^{}[]\\\\" limit)
-                   (when (and (< (point) limit) (not (TeX-in-comment)))
-                     (setq char (char-after))
-                     (forward-char)
-                     (cond ((eq char ?\{)
-                            (setq count (+ count TeX-brace-indent-level)))
-                           ((eq char ?\})
-                            (setq count (- count TeX-brace-indent-level)))
-                           ((eq char ?\[)
-                            (setq count (+ count TeX-brace-indent-level)))
-                           ((eq char ?\])
-                            (setq count (- count TeX-brace-indent-level)))
-                           ((eq char ?\\)
-                            (when (< (point) limit)
-                              (forward-char) t))))))
-          count)))
-
-    (advice-add 'TeX-brace-count-line :override #'TeX-brace-count-line-override))
-#+end_src
-
-Listing [[lst:configure-bibtex]] configures the Emacs =bibtex= library to use the
-LaTeX =BiBTeX= dialect for backwards compatibility.  Listing
-[[lst:configure-font-latex]] disables font scaling of section titles.  Listing
-[[lst:configure-latex]] configures =latex= for a full featured
-=LaTeX-section-command=.
-
 #+caption[Configure =bibtex=]:
 #+caption: Configure =bibtex=.
 #+name: lst:configure-bibtex