diff --git a/README.org b/README.org
index 9538bd4..d1c3127 100644
--- a/README.org
+++ b/README.org
@@ -136,15 +136,15 @@ Here follows a list of interesting Emacs configurations:
    silently ignore the setup stanzas of uninstalled extension packages.
 5. [[https://sachachua.com/dotemacs/][Sacha Chua's configuration]] is a practical example of producing the Emacs
    initialization files by tangling an [[info:org#Top][org]] file.  It gives me the impression
-   that she is a very practical person trying to achieve her goals by the most
+   that she is a practical person trying to achieve her goals by the most
    efficient means.
 6. [[https://github.com/purcell/emacs.d][Steve Purcell's configuration]] is well organized and a showcase of readable
    code.  Its commit and issue histories are also helpful: see for instance the
    discussion [[https://github.com/purcell/emacs.d/issues/778][The order of company candidates is incorrect in Emacs lisp mode]].
 
 Here follows a list of links on how to use Emacs and Elisp:
-1. [[https://www.masteringemacs.org/][Mastering Emacs]] is a link to a blog with many interesting posts that promotes
-   a book on how to become a proficient Emacs user.
+1. [[https://www.masteringemacs.org/][Mastering Emacs]] is a link to a blog with interesting posts that promotes a
+   book on how to become a proficient Emacs user.
 2. [[https://www2.lib.uchicago.edu/keith/emacs/][Use GNU Emacs: The Plain Text Computing Environment]] explains the fundamentals
    of the Emacs abstractions before showing how to exploit those abstractions
    interactively.  It targets a similar audience as the [[https://www.masteringemacs.org/][Mastering Emacs]] book.
@@ -155,7 +155,7 @@ Here follows a list of links on how to use Emacs and Elisp:
 4. [[https://www.youtube.com/watch?v=6ZWp05OW1c0][Emergency Emacs]] is a link to a video on fundamental editing features and
    principles with focus on [[info:ediff#Top][ediff (info)]], [[info:emacs#Undo][undo (info)]], [[info:emacs#Moving Point][moving point (info)]],
    [[info:emacs#Erasing][erasing (info)]], and [[info:emacs#Dynamic Abbrevs][dynamic abbreviations (info)]].
-5. [[https://endlessparentheses.com/][Endless Parentheses]] is a blog with many mindblowing code snippets.
+5. [[https://endlessparentheses.com/][Endless Parentheses]] is a blog with mindblowing code snippets.
 6. [[https://www.murilopereira.com/how-to-open-a-file-in-emacs/][How to open a file in Emacs]] looks into [[info:elisp#Top][elisp (info)]] and
    [[info:elisp#Debugging][elisp debugging (info)]] and then compares Emacs, [[https://www.vim.org/][Vim]],
    [[https://neovim.io/][Neovim]], and [[https://code.visualstudio.com/][Visual Studio Code]] with respect to values and technology.
@@ -536,11 +536,14 @@ Listing [[lst:set-default-face-height]] shows that font scaling is easy in case
 proper initialization of all face heigths.  To adjust the font size in the
 current or future frames, invoke src_emacs-lisp{(set-default-face-height)}.  To
 adjust the font size in the current buffer, type:
-1. {{{kbd(s-=)}}} which is bound to src_emacs-lisp{(text-scale-adjust +1)}.
-2. {{{kbd(s--)}}} which is bound to src_emacs-lisp{(text-scale-adjust -1)}.
-3. {{{kbd(s-0)}}} which is bound to src_emacs-lisp{(text-scale-adjust 0)}.
+1. {{{kbd(s-=)}}} to invoke src_emacs-lisp[:results silent]{(text-scale-adjust
+   +1)}.
+2. {{{kbd(s--)}}} to invoke src_emacs-lisp[:results silent]{(text-scale-adjust
+   -1)}.
+3. {{{kbd(s-0)}}} to invoke src_emacs-lisp[:results silent]{(text-scale-adjust
+   0)}.
 Listing [[lst:fix-gtk-color-for-invert-default-face]],
-[[lst:shadow-org-font-lock-faces]], and [[lst:shadow-emacs-font-lock-faces]] show a few
+[[lst:shadow-org-font-lock-faces]], and [[lst:shadow-emacs-font-lock-faces]] show a
 tweaks to improve visibility without theming:
 1. Fixing the =gtk= background color of the already loaded =region= face.
 2. Toggling between a dark and light background by means of
@@ -631,7 +634,7 @@ Scale all other faces with a height that is a real number."
        :inherit (fixed-pitch)
        ,@(and (>= emacs-major-version 27) '(:extend t))
        :background "#FFFFD0"))
-    "My face used for text inside various blocks.
+    "My face used for text inside blocks.
 
 It is always used for source blocks.  You can refine what face
 should be used depending on the source block language by setting,
@@ -843,8 +846,8 @@ BUG: The virtual buffers of the ~consult-buffer~ command do not seem to work.
 Therefore, ~consult-buffer~ is no means to access the bookmark history (contrary
 to claims in [[info:consult#Top][consult (info)]]).
 
-#+caption[Let Emacs save bookmarks when it is killed]:
-#+caption: Let Emacs save bookmarks when it is killed.
+#+caption[Let Emacs save bookmarks when killed]:
+#+caption: Let Emacs save bookmarks when killed.
 #+name: lst:setup-bookmark
 #+begin_src emacs-lisp -n :results silent
 (with-eval-after-load 'bookmark
@@ -2288,8 +2291,7 @@ list detailing and motivating each listing:
 4. Listing [[lst:ob-tangle-plus]] extends [[info:org#Noweb Reference Syntax][source code export (info)]] with the
    possibility to tangle of for instance Emacs Lisp files (or other programming
    mode files) into a directory specified by ~org-babel-post-tangle-dir~ which
-   can be changed using =org-get-entry= to read lines like ~#+property:
-   tangle-dir: ANY-PLACE~ near the beginning an Org file.
+   ~toggle-post-tangle-hook-dir-usage~ may change.
 5. Listing [[lst:set-org-link-options]] handles [[https://orgmode.org/][Org-mode]] options specific to
    [[info:org#Hyperlinks][hyperlinks (info)]].
 6. Listing [[lst:setup-org-mode-map-1]] and [[lst:setup-org-mode-map-2]] extend the
@@ -2460,7 +2462,7 @@ When prefix ARG is non-nil, prompt first for a language."
 
   (defcustom org-babel-post-tangle-dir nil
     "Destination directory used by `dir+org-babel-post-tangle'.
-May be changed by `toggle-post-tangle-hook-dir-usage'."
+Is subject to change by `toggle-post-tangle-hook-dir-usage'."
     :group 'org-babel)
 
   (defcustom org-babel-post-tangle-dir-modes '(emacs-lisp-mode)
@@ -3323,7 +3325,7 @@ processor, text to product convertor) to an Emacs setup.  Listing
 
 Ref. [cite:@Schulte.MCSE.2011.41] shows that [[https://orgmode.org/][Org-mode]] is a simple, plain-text
 markup language for hierarchical documents allowing intermingling of data, code,
-and prose.  It serves as an example link to to show how to use [[https://github.com/bdarcus/citar][Citar]] within this
+and prose.  It serves as an example link to show how to use [[https://github.com/bdarcus/citar][Citar]] within this
 setup, provided that =citar-bibliography= and =citar-library-paths= point to
 valid directories and files.  In an [[https://orgmode.org/][Org-mode]] buffer this setup allows to:
 1. Insert one or more [[https://orgmode.org/][Org-mode]] cite links:
@@ -3632,8 +3634,7 @@ facilate moving single directories or whole directory trees."
     (let ((path (match-string 1 link))
           (page (and (match-beginning 2)
                      (string-to-number (match-string 2 link)))))
-      ;; Let Org mode open the file (in-emacs = 1) to ensure
-      ;; org-link-frame-setup is respected.
+      ;; Let Org mode open the file to respect org-link-frame-setup.
       (org-open-file path 1)
       (when page (pdf-view-goto-page page))))
 
@@ -3934,7 +3935,7 @@ Load all test files first."
       ;; test-ob-exp/noweb-on-export fails due to spacing (can't fix).
       ;; test-ob-exp/noweb-on-export-with-exports-results due to spacing (idem).
       ;; ob-maxima fixed but spacing is fragile. Which Maxima?
-      ;; ob-python hangs sometimes, but very seldom.
+      ;; ob-python hangs sometimes, but seldom.
       ;; ob-tangle/continued-code-blocks-w-noweb-ref fails.
       (ert (rx (or "org/" "org-fold" "org-element" "org-macro" "org-src"
                    "property-inheritance"
@@ -6022,8 +6023,8 @@ 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/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
+3. Nowadays, [[https://github.com/charliermarsh/ruff#readme][Ruff]] is the fastest 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]]
@@ -6715,8 +6716,8 @@ Listing [[lst:obas-test][Org Babel Ackermann Scheme test]] allows to check wheth
 :END:
 
 The library [[info:dash.info#Top][dash.el (info)]] positions itself as a modern alternative for the list
-processing API of [[info:cl#Top][cl]].  It is a requirement of several important packages in this
-Emacs setup (for instance [[https://github.com/andras-simonyi/citeproc-el#readme][citeproc]], [[https://github.com/magit/magit#readme][magit]], and [[https://github.com/Fuco1/smartparens#readme][smartparens]]).  Listing
+processing API of [[info:cl#Top][cl]].  It is a requirement of important packages in this Emacs
+setup (for instance [[https://github.com/andras-simonyi/citeproc-el#readme][citeproc]], [[https://github.com/magit/magit#readme][magit]], and [[https://github.com/Fuco1/smartparens#readme][smartparens]]).  Listing
 [[lst:configure-dash]] enables fontification of =dash= macros and makes
 =info-lookup-symbol= take into account the =dash= macros.
 
@@ -7135,7 +7136,7 @@ on any Org table, Org source block, Org block, or Org subtree.
       (user-error "Not in a table")))
 
   (defun narrow-or-widen-dwim (p)
-    "Widen if buffer is narrowed, narrow \"Do What I Mean\" otherwise.
+    "Widen a narrowed buffer, narrow \"Do What I Mean\" otherwise.
 DWIM means: region, Org table, Org source block, Org block, Org
 subtree, LaTeX environment, TeX group, or defun, whichever
 applies first.  Narrowing to org-src-block actually calls