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='rparen'>)</span> <span class='op'>+</span> <span class='id identifier rubyid_cur_word'>cur_word</span> <span class='kw'>unless</span> <span class='id identifier rubyid_cur_word'>cur_word</span><span class='period'>.</span><span class='id identifier rub