, -infinity</td>
</tr>
<tr class="odd">
<td align="right">not a number</td>
<td align="left">NaN</td>
<td align="left"></td>
</tr>
</tbody>
</table>
<p>These strings are not case sensitive, so <code>inf</code> may also be used
for positive infinity, or <code>NAN</code> for not-a-number.</p>
</div>
</div>
<div id="quoted-variable-names" class="section level2" number="23.8">
<h2><span class="header-section-number">23.8</span> Quoted variable names</h2>
<p>In order to support JAGS data files, variables may be 