Start to explore `tempo'

README.org

@@ -4322,6 +4322,47 @@ code formatter for Python]].
       (yas-global-mode +1)))
 #+end_src
 
+** [[info:autotype#Tempo][Tempo (info)]]
+:PROPERTIES:
+:CUSTOM_ID: sec:tempo
+:END:
+
+The official [[info:autotype#Tempo][tempo (info)]] documentation is very short and the following links
+are obsolete or do not reveal the full power of [[info:autotype#Tempo][tempo (info)]] after its
+adaptation to =lexical-binding=:
+1. [[https://www.emacswiki.org/emacs/TempoMode][Tempo (Emacs Wiki)]]
+2. [[https://www.lysator.liu.se/~davidk/elisp/][David Kågedal’s elisp]]
+3. [[https://github.com/yilkalargaw/emacs-native-snippets][Emacs's Native Snippets]], [[https://www.reddit.com/r/emacs/comments/wdbk34/emacss_native_templating_and_snippet_fuctionality/][Emacs's native templating and snippet functionality]]
+Listing [[lst:configure-completing-read-tempo]] shows how to combine =tempo= and
+=completing-read= for the builtin =tempo= package that is part of Emacs-28.1 and
+later.
+
+#+caption[Configure =tempo= with =completing-read=]:
+#+caption: Configure =tempo= with =completing-read=.
+#+name: lst:configure-completing-read-tempo
+#+begin_src emacs-lisp
+  (with-eval-after-load 'tempo
+    (custom-set-variables
+     '(tempo-interactive t))
+
+    (defun tempo-latex-environment-handler (element)
+      (when-let ((ok (eq element 'latex-environment))
+                 (environment
+                  (completing-read "LaTeX environment: "
+                                   (LaTeX-environment-list)
+                                   #'always 'require-match)))
+        `(l "\\begin{" ,environment "}" > n > r n "\\end{" ,environment "}" >)))
+
+    (setq tempo-user-elements 'nil)
+    (cl-pushnew 'tempo-latex-environment-handler tempo-user-elements)
+
+    (tempo-define-template
+     "LaTeX-environment"
+     '('latex-environment)
+     "latex-environment"
+     "Insert a LaTeX environment"))
+#+end_src
+
 * [[info:emacs#Display][Display (info)]]
 :PROPERTIES:
 :CUSTOM_ID: sec:display