Editor indentation for Emacs and Sublime Text; container guides point to editor support (from dev 5d35f256476e)

doc/edit/emacs/klammertext-mode.el

@@ -123,11 +123,12 @@ Register one with `klammertext-add-literal-klammer', e.g. in your init file:
 
 ;; SYNC: the Sublime Text port in doc/sublime/ duplicates this list statically
 ;; (a Sublime syntax/plugin cannot read this Emacs defcustom).  When you add or
-;; remove a literal klammer, mirror it in BOTH:
+;; remove a literal klammer, mirror it in ALL of:
 ;;   * LITERAL_KLAMMERS in doc/sublime/Klammertext.py
+;;   * LITERAL_KLAMMERS in doc/sublime/Klammertext_indent.py
 ;;   * the @NAME literal rule + literal_NAME context in
 ;;     doc/sublime/Klammertext.sublime-syntax
-;; All three are currently seeded with just "code".
+;; All four are currently seeded with just "code".
 
 (defun klammertext-add-literal-klammer (name)
   "Register NAME as a klammer whose literal content must not be interpreted.