まんま >> require "hpricot" => true >> t = Hpricot('<a id=0><b><a id=1 /></b><c id=2 /></a>') => #<Hpricot::Doc {elem <a id="0"> {elem <b> {emptyelem <a id="1">} </b>} {emptyelem <c id="2">} </a>}> >> t.traverse_element("a", "c") {|e| p e} {elem <a id="0"> {elem <b> {emptyelem <a id="1">} </b>} {emptye…</a>