(defun reftex-parse-from-file (file docstruct master-dir)
;; Scan the buffer for labels and save them in a list.
(let ((regexp (reftex-everything-regexp))
(defun reftex-parse-from-file (file docstruct master-dir)
;; Scan the buffer for labels and save them in a list.
(let ((regexp (reftex-everything-regexp))