od/proc being changed.
<P>
If an <I>args</I> list was specified when the <I>function</I> was
defined in the class definition, the <I>args</I> list for the
<B>body</B> command must match in meaning.  Variable names
can change, but the argument lists must have the same required
arguments and the same default values for optional arguments.
The special <B>args</B> argument acts as a wildcard when included
in the <I>args</I> list in the class definition; it will match
zero or more arguments of any type when the 