S_TOK) </div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;                                <span class="keywordflow">return</span> res + <span class="stringliteral">&quot;&lt;eos&gt;&quot;</span>;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;                        res += new_word + <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;                      