Remove warnings

Author: matsl

ChangeLog

@@ -1,3 +1,9 @@
+2025-11-07  Mats Lidell  <matsl@gnu.org>
+
+* hsys-www.el (eww--dwim-expand-url): Declare function to silence warning.
+    (www-eww-browse-url): Defvar to silence warning in Emacs 28 where it
+    is not defined. Introduced with Emacs 29.
+
 2025-11-02  Mats Lidell  <matsl@gnu.org>
 
 * test/hywiki-tests.el

hsys-www.el

@@ -3,7 +3,7 @@
 ;; Author:       Bob Weiner
 ;;
 ;; Orig-Date:     7-Apr-94 at 17:17:39 by Bob Weiner
-;; Last-Mod:      5-Oct-25 at 13:51:02 by Bob Weiner
+;; Last-Mod:      7-Nov-25 at 19:23:34 by Mats Lidell
 ;;
 ;; SPDX-License-Identifier: GPL-3.0-or-later
 ;;
@@ -43,6 +43,8 @@
 
 (defvar hpath:display-where-alist)      ; "hpath.el"
 
+(declare-function eww--dwim-expand-url "eww" (url))
+
 (declare-function hpath:remote-available-p "hpath")
 (declare-function hpath:remote-p "hpath")
 (declare-function hpath:remote-at-p "hpath")
@@ -226,6 +228,7 @@ instead of `browse-url-new-window-flag'."
       (format "*eww-%s*" (url-host (url-generic-parse-url
                                     (eww--dwim-expand-url url)))))))
   (eww-mode)
+  (defvar url-allow-non-local-files)    ; Defined from Emacs 29.
   (let ((url-allow-non-local-files t))
     (eww url)))