(unless widget-browse-mode-map
(setq widget-browse-mode-map (make-sparse-keymap))
(set-keymap-parent widget-browse-mode-map widget-keymap)
(define-key widget-browse-mode-map "q" 'bury-buffer))
(unless widget-browse-mode-map
(setq widget-browse-mode-map (make-sparse-keymap))
(set-keymap-parent widget-browse-mode-map widget-keymap)
(define-key widget-browse-mode-map "q" 'bury-buffer))