</span> <span class="keywordtype">char</span>*   x(<span class="keywordtype">size_t</span> i, <span class="keywordtype">size_t</span> j) <span class="keyword">const</span> = 0;
<a name="l00229"></a>00229 
<a name="l00230"></a>00230 <span class="preprocessor">#ifndef SWIG</span>
<a name="l00231"></a>00231 <span class="preprocessor"></span>  <span class="comment">// return an array of strings at i-th tokens</span>
<a name="l00232"></a>00232   <span class="keyword">virtual</span> <span class="keyword">const</s