--- ./webbrowser.py.orig	2009-08-09 13:06:28.000000000 +0300
+++ ./webbrowser.py	2009-08-09 13:26:37.000000000 +0300
@@ -450,6 +450,9 @@
     # The default KDE browser
     if "KDE_FULL_SESSION" in os.environ and _iscommand("kfmclient"):
         register("kfmclient", Konqueror, Konqueror("kfmclient"))
+    # The default XFCE browser
+    if "xfce4-session" in os.popen("ps ax -o args").read():
+        register("exo-open", None, BackgroundBrowser("exo-open"))
 
     # The Mozilla/Netscape browsers
     for browser in ("mozilla-firefox", "firefox",