Add links to Common Lisp books and posts

README.org

@@ -4029,6 +4029,13 @@ that do not visit a file.
 :CUSTOM_ID: sec:common-lisp-programming
 :END:
 
+Links to Common Lisp programming books and posts are:
+1. [[https://lisp-lang.org/][Common Lisp]]
+2. [[https://kvardek-du.kerno.org/][Kvardek Du - Luis Oliveira]]
+3. [[https://redirect.cs.umbc.edu/courses/331/resources/lisp/][Lisp Resources]]
+4. [[https://redirect.cs.umbc.edu/courses/331/resources/lisp/onLisp/][On Lisp - Paul Graham]]
+5. [[https://dept-info.labri.fr/~strandh/Teaching/Programmation-Symbolique/Common/Book/HTML/programmation.html][Traité de Programmation en Common Lisp]]
+
 *** [[https://slime.common-lisp.dev/doc/html/index.html][Slime]]                                                          :noexport:
 :PROPERTIES:
 :CUSTOM_ID: sec:slime
@@ -4088,7 +4095,7 @@ Listing [[lst:sbcl-core-for-sly]] tangles to a script to dump such a [[http://ww
 #+caption: Configure =sly=.
 #+name: lst:configure-sly
 #+begin_src emacs-lisp -n :results silent
-(when (ensure-package-installation 'sly 'sly-named-readtables)
+(when (ensure-package-installation 'sly 'sly-macrostep 'sly-named-readtables)
   (with-eval-after-load 'sly
     ;; Set `sly-default-lisp' instead of `inferior-lisp-program',
     ;; because `sly' uses `inferior-lisp-program' only as a backwards
@@ -4329,6 +4336,9 @@ git clone git@github.com:ageldama/cl-state-machine.git
 :CUSTOM_ID: sec:lisp-custom-font-locking
 :END:
 
+This section implements the code described in the [[https://www.n16f.net/blog/custom-font-lock-configuration-in-emacs/][Emacs Common Lisp Font Locking]]
+post.
+
 *** [[https://www.n16f.net/blog/custom-font-lock-configuration-in-emacs/][Initialize Common Lisp custom font locking]]
 :PROPERTIES:
 :CUSTOM_ID: sec:cl-custom-font-locking-start
@@ -4852,9 +4862,9 @@ server, before plunging into the configuration steps:
 5. [[https://ddavis.io/posts/python-emacs-3/][Python & Emacs, Take 3]]
 6. [[https://ddavis.io/posts/emacs-python-lsp/][Python with Emacs: py(v)env and lsp-mode]]
 
-Videos
+Here are links to Python programming background videos:
 1. [[yt:HTLu2DFOdTg][Python's Class Development Kit - Raymond Hettinger]]
-2.
+2. [[yt:UANN2Eu6ZnM][The Mental Game of Python - Raymond Hettinger]]
 
 *** [[https://git.savannah.gnu.org/cgit/emacs.git/tree/lisp/progmodes/python.el][Python-mode]]
 :PROPERTIES: