class="lineno">  220</span>&#160;                        ch = w1;</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;                    } <span class="keywordflow">else</span> <span class="keywordflow">if</span>(BOOST_LIKELY(utf16_traits::is_first_surrogate(w1)))</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;                    {</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;                        <sp