Emacs: Report browser-url design flaw

.emacs.d/lisp/main.el

@@ -165,7 +165,7 @@
       (if (executable-find "xdg-open") 'browse-url-xdg-open 'browse-url-generic))
 ;;; If xdg-open is not found, set Emacs URL browser to the environment browser,
 ;;; or w3m if BROWSER is not set.
-;;; TODO: Upstream should be smart at this, e.g. allow using xdg without a DE.  Report.
+;; REVIEW: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=18986
 (setq browse-url-generic-program (or
                                   (executable-find (or (getenv "BROWSER") ""))
                                   (when (executable-find "xdg-mime")