 histogram</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;        <span class="keywordtype">integer</span> :: i</div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;        </div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;        class(stringrealmapiterator), <span class="keywordtype">pointer</span> :: iter</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;        <span c