string_end'>&quot;</span></span><span class='rbracket'>]</span> <span class='op'>?</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_end'>&#39;</span></span> <span class='op'>:</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'> </span><span class='tstring_end'>&#39;</span></span>

  <span class='id identifier rubyid_rtf'>rtf</span> <span class='op'>=</span> <span class='const'>StringIO</span><span class='period'>.</span><sp