  216</span>&#160;                {</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;                    std::uint16_t w1 = *from;</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;                    <span class="keywordflow">if</span>(BOOST_LIKELY(utf16_traits::is_single_codepoint(w1)))</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;                    {</div><div class="line"><a name="l00220"></a><span 