line"><a name="l00102"></a><span class="lineno">  102</span>&#160;      <span class="keywordflow">return</span> begin;</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    }</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    <span class="keywordflow">while</span> (begin != end) {</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;      x = begin-&gt;rune;</div><div class="line"><a name="l00106"></a><span cl