71</span>&#160;            next = from;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;            <span class="keywordflow">return</span> std::codecvt_base::ok;</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        }</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        <span class="keywordtype">int</span> do_encoding() <span class="keyword">const</span> noexcept <span class="keyword">override</spa