argument parsing with defaults (Wagner)

What: argument parsing with defaults (Wagner)

 Where: From the contact
 Description: Tcl code to parse arguments and provide default values.
        See theObjects-2.x for a C version.
 Updated:
 Contact: mailto:gandalf@Csli.Stanford.EDU (Juergen Wagner)
        mailto:Juergen.Wagner@iao.fhg.de (Juergen Wagner)