an class='tstring_content'>cover-image</span><span class='tstring_end'>&#39;</span></span> <span class='kw'>do</span>
        <span class='id identifier rubyid_xml'>xml</span><span class='period'>.</span><span class='id identifier rubyid_img'>img</span> <span class='symbol'>:src</span> <span class='op'>=&gt;</span> <span class='id identifier rubyid_book'>book</span><span class='period'>.</span><span class='id identifier rubyid_config'>config</span><span class='period'>.</span><span class='id identifier ruby