X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/84eb0351d8be4811897c8cf62a69757ff5d14001..0e963201d03d9229bb8ac4323291d2b0119526ed:/lisp/tree-widget.el

diff --git a/lisp/tree-widget.el b/lisp/tree-widget.el
index 77159573c9..c1bb2a7adc 100644
--- a/lisp/tree-widget.el
+++ b/lisp/tree-widget.el
@@ -1,6 +1,6 @@
 ;;; tree-widget.el --- Tree widget
 
-;; Copyright (C) 2004-2011 Free Software Foundation, Inc.
+;; Copyright (C) 2004-2016 Free Software Foundation, Inc.
 
 ;; Author: David Ponce <david@dponce.com>
 ;; Maintainer: David Ponce <david@dponce.com>
@@ -115,7 +115,6 @@
 ;;
 
 ;;; Code:
-(eval-when-compile (require 'cl))
 (require 'wid-edit)
 
 ;;; Customization
@@ -295,9 +294,9 @@ Typically it should contain something like this:
 
   (tree-widget-set-parent-theme \"my-parent-theme\")
   (tree-widget-set-image-properties
-   (if (featurep 'xemacs)
-       '(:ascent center)
-     '(:ascent center :mask (heuristic t))
+   (if (featurep \\='xemacs)
+       \\='(:ascent center)
+     \\='(:ascent center :mask (heuristic t))
      ))"
   (or name (setq name (or tree-widget-theme "default")))
   (unless (string-equal name (tree-widget-theme-name))
@@ -657,6 +656,8 @@ This hook should be local in the buffer setup to display widgets.")
                                    (widget-get tree :dynargs)))
     tree))
 
+(defvar widget-glyph-enable) ; XEmacs
+
 (defun tree-widget-value-create (tree)
   "Create the TREE tree-widget."
   (let* ((node   (tree-widget-node tree))
@@ -792,7 +793,7 @@ Each function is passed a tree-widget.  If the value of the :open
 property is non-nil the tree has been expanded, else collapsed.
 This hook should be local in the buffer setup to display widgets.")
 
-(defun tree-widget-action (tree &optional event)
+(defun tree-widget-action (tree &optional _event)
   "Handle the :action of the TREE tree-widget.
 That is, toggle expansion of the TREE tree-widget.
 Ignore the EVENT argument."