;;; Commentary:
;;
;; This is an auto-complete.el add-on with a completion source for TeX macro
;; names which exist in the current buffer.
;;
;; TeX and add-on packages have a lot of macros.  It's likely only
;; relatively few will be wanted in a given document.  The completion here
;; offers those which appear already in the current buffer.  This is simple,
;; and quite effective as far as it goes.