g expansion of strings
defined by them.</font></p>


<p style="margin-top: 1em"><font color="#000000"></li><li>The
syntax of the &lsquo;substring&rsquo; request has been
changed: The first character in a string now has
index&nbsp;0, the last character has index&nbsp;&minus;1.
Note that this is an incompatible change.</font></p>


<p style="margin-top: 1em"><font color="#000000"></li><li>To
emit strings directly to the intermediate output, a new
&lsquo;output&rsquo; request has been added; it is similar
to &