Wed, 04 Feb 2004 12:34:15 +0000 alpar To make clear, clean() became clear().
Wed, 04 Feb 2004 11:55:27 +0000 alpar Some correction proposed by Marci.
Tue, 03 Feb 2004 13:41:46 +0000 alpar aNode(), bNode(), head() and tail() added
Tue, 03 Feb 2004 13:29:49 +0000 alpar .