          <span class="keywordflow">if</span>( columnseff(1) &lt;= <span class="keyword">size</span>(tokens) .and. columnseff(2) &lt;= <span class="keyword">size</span>(tokens) ) <span class="keywordflow">then</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="structrnfunction_1_1rnfunction.html#ab0b45a946850c7d9083686bb0d89cef6">  112</a></span>&#160;                    <span class="keywordflow">if</span>( len_trim(tokens(columnseff(1))) /= 0 .and. len_trim(token