+__version__ = "$Revision$"[11:-2]
+__revision__ = "$Id$"[5:-2]
+__date__ = "$Date$"[7:-2]
+__author__ = "Oleg Broytman <phd@phdru.name>"
+__copyright__ = "Copyright (C) 2000-2011 PhiloSoft Design"
+__license__ = "GNU GPL"
+
+__all__ = ['Folder', 'Bookmark', 'Ruler', 'Walker', 'Writer', 'Robot',
+ 'InverseLinker', 'Linear', 'make_linear', 'make_tree', 'break_tree',
+ 'quote_title', 'unquote_title',
+]
+
+
+import os, cgi
+BKMK_FORMAT = os.environ.get("BKMK_FORMAT", "MOZILLA")