"ruby-operator">==</span> <span class="ruby-value str">'_add'</span>
      <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;\n&quot;</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">src</span>[<span class="ruby-value">-1</span>] <span class="ruby-operator">==</span> <span class="ruby-value">?\n</span>
      <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ru