https://www.gnu.org/software/emacs/manual/html_node/elisp/Formatting-Strings.html
Formatting Strings (GNU Emacs Lisp Reference Manual)
Formatting Strings (GNU Emacs Lisp Reference Manual)
gnu emacs lispformatting
https://www.gnu.org/software/emacs/manual/html_node/elisp/Case-Tables.html
Case Tables (GNU Emacs Lisp Reference Manual)
Case Tables (GNU Emacs Lisp Reference Manual)
gnu emacs lispcasetables
https://www.gnu.org/software/emacs/manual/html_node/elisp/Modifying-Menus.html
Modifying Menus (GNU Emacs Lisp Reference Manual)
Modifying Menus (GNU Emacs Lisp Reference Manual)
gnu emacs lispmodifyingmenus
https://www.gnu.org/software/emacs/manual/html_node/elisp/Saving-Match-Data.html
Saving Match Data (GNU Emacs Lisp Reference Manual)
Saving Match Data (GNU Emacs Lisp Reference Manual)
gnu emacs lispsaving match