he default value is <tt>-8</tt>.
</p>
<span id="g_t_002d_002dspeller"></span></dd>
<dt><samp>-s &quot;<var>program</var> [<var>argument</var> &hellip;]&quot;</samp></dt>
<dt><samp>--speller=&quot;<var>program</var> [<var>argument</var> &hellip;]&quot;</samp></dt>
<dd><p>Use the given program to do spell checking and correcting.  By default,
<code>nano</code> uses the command specified in the <code>SPELL</code> environment
variable.  If <code>SPELL</code> is not set, and <samp>--speller</samp> is
not specifi