xport of
	the component.  If the component table
	has no entry for <TT><I>url</I></TT> yet, a new entry is created
	immediately.</P>

	<P>Note that, while most library components export a single structure,
	their export is <I>not</I> simply that structure, but a structure that
	<I>contains</I> that structure. For instance, in order to link the
	<TT><A href="text-io.html">TextIO</A></TT> component manually, the
	returned package has to be unpacked as follows:</P>
	<PRE>
	structure TextIOComp = unpack link(Ur