get_subnode 良く分からず… >> require "hpricot" => true >> doc = Hpricot('<p>foo1</p><p>foo2</p>') => #<Hpricot::Doc {elem <p> "foo1" </p>} {elem <p> "foo2" </p>}> >> doc.html => "<p>foo1</p><p>foo2</p>" >> doc.at('p').html => "foo1" >> doc.search('p').html => "foo1foo2" >> doc = Hpricot('<div><p>foo1</p><…</div>