rnal counter.
</p>
<p>If <var>x</var> is supplied, and is a string, then that string is used as a prefix 
instead of &quot;g&quot; for this call to gensym only.
</p>
<p>If <var>x</var> is supplied, and is an integer, then that integer, instead of the 
value of the internal Lisp integer, is used as the suffix for this call to 
gensym only.
</p>
<p>If and only if no explicit suffix is supplied, the Lisp internal integer is 
incremented after it is used.
</p>
<p>Examples:
</p>
<pre class="example">(%i1) gensym