Improve "Debugging Python programs in Emacs" section: realgud

README.org

@@ -237,7 +237,8 @@ of [[info:emacs#Saving Customizations][saving customizations (info)]].
  url-cookie-untrusted-urls '(".*")
  use-dialog-box nil
  use-short-answers t
- view-read-only t)
+ view-read-only t
+ winner-mode t)
 #+end_src
 
 #+caption[Set the second set of Emacs options: pin packages to archives]:
@@ -608,9 +609,8 @@ verse and quote blocks are fontified using the `org-verse' and
 :END:
 
 Mickey Peterson's post [[https://www.masteringemacs.org/article/demystifying-emacs-window-manager][Demystifying Emacs's Window Manager]] invites to improve
-window placement.  Listing [[lst:1st-window-management]], [[lst:2nd-window-management]]
-and [[lst:3rd-window-management]] implement a selection of his recommendations.
-See:
+window placement.  Listing [[lst:1st-window-management]] and
+[[lst:2nd-window-management]] implement a selection of his recommendations.  See:
 1. [[info:elisp#The Zen of Buffer Display][The Zen of Buffer Display (info)]]
 2. [[https://e17i.github.io/articles-emacs-display-1/][Configuring the Emacs display system]]
 for technical information.
@@ -651,17 +651,9 @@ for technical information.
    (keymap-global-set "M-o" #'other-window))
 #+end_src
 
-#+caption[Window management modes]:
-#+caption: Window management modes.
-#+name: lst:2nd-window-management
-#+begin_src emacs-lisp -n
-(with-eval-after-load 'emacs
-  (winner-mode +1))
-#+end_src
-
 #+caption[Window management variables]:
 #+caption: Window management variables.
-#+name: lst:3rd-window-management
+#+name: lst:2nd-window-management
 #+begin_src emacs-lisp -n :results none
 ;; (info "(elisp) Displaying Buffers")
 ;; (info "(emacs) Window Choice")
@@ -5592,12 +5584,13 @@ configures =code-cells=.
 :CUSTOM_ID: sec:debug-python
 :END:
 
-Listing [[lst:pdb-example]] and [[lst:pdb-numpy]] show how to start using PDB.
-Debugging works better with =tool-bar-mode= enabled.
-Links of interest are:
-- [[https://realpython.com/python-debugging-pdb/][Python Debugging with PDB]]
+Listing [[lst:pdb-example]] and [[lst:pdb-numpy]] show how to start debugging by means
+of =pdb= or =realgud:pdb=.  [[https://github.com/realgud/realgud][RealGUD]] is the best option and in case of {{{kbd(M-x
+pdb)}}} debugging may work better with =tool-bar-mode= enabled.  Links of
+interest are:
 - [[https://github.com/realgud/realgud][RealGUD]] provides a nice interface to PDB by means of {{{kbd(M-x
-  realgud:pdb)}}}.
+  realgud:pdb)}}} that also works well with =tool-bar-mode= disabled.
+- [[https://realpython.com/python-debugging-pdb/][Python Debugging with PDB]]
 - [[https://docs.python.org/3/library/pdb.html][The Python Debugger]]
 - [[yt:vfPtGsSJldg][Introduction to PDB (Python-2.7 YouTube video)]]
 - [[https://stackoverflow.com/questions/7668979/how-do-you-watch-a-variable-in-pdb][How do you watch a variable in PDB? (Python-2.7)]]