>pattern</I>?</A><DD>
If <I>pattern</I> is not specified, returns a list of names of all the
values of <I>keyName</I>.  If <I>pattern</I> is specified, only those
names matching <I>pattern</I> are returned.  Matching is determined
using the same rules as for <B><A HREF="string.html">string match</A></B>.
<P></DL>
<H3><A NAME="M12">SUPPORTED TYPES</A></H3>
Each value under a key in the registry contains some data of a
particular type in a type-specific representation.  The <B>registry</B>
command converts be