en'>)</span><span class='comma'>,</span> <span class='id identifier rubyid_chapter'>chapter</span><span class='period'>.</span><span class='id identifier rubyid_to_html'>to_html</span>
  <span class='kw'>end</span>
  <span class='id identifier rubyid_book'>book</span><span class='period'>.</span><span class='id identifier rubyid_images'>images</span><span class='period'>.</span><span class='id identifier rubyid_each'>each</span> <span class='kw'>do</span> <span class='op'>|</span><span class='id identifier 