treated in the same way, as is illustrated in the following
example.
<p>

Q: what does the following print?
<p>
<TABLE SUMMARY="Example" BORDER="0" BGCOLOR="#efefef" WIDTH="100%">
<TR>
<TD>
<PRE>
<font color="#82140F">
`add_a_dat &amp;\filename'
{
    \.word1. = {rpn "\.word1." ".dat" strcat}
}
\filename = "test"
add_a_dat &amp;\filename
show "\filename"
</font></PRE>
</TD>
</TR>
</TABLE>
<p>

A: it prints `<font color="#82140F"><code>test.dat</code></font>'.
<p>

<!-- @node   Nesting, Using New And Delete,