\f
;;; Texinfo file structure
-; The following is defined in `texnfo-upd.el'
-; (defvar texinfo-section-types-regexp
-; "^@\\(chapter \\|sect\\|sub\\|unnum\\|major\\|heading \\|appendix\\)"
-; "Regexp matching chapter, section, other headings (but not the top node).")
+;; This is also defined in `texnfo-upd.el'.
+(defvar texinfo-section-types-regexp
+ "^@\\(chapter \\|sect\\|sub\\|unnum\\|major\\|heading \\|appendix\\)"
+ "Regexp matching chapter, section, other headings (but not the top node).")
(defun texinfo-show-structure (&optional nodes-too)
"Show the structure of a Texinfo file.