hpricot：Hpricot::Elements#to_html, #to_s

>> require "hpricot"
=> true
>> doc = Hpricot('<p>foo1</p><p>foo2</p>')
=> #<Hpricot::Doc {elem <p> "foo1" </p>} {elem <p> "foo2" </p>}>
>> doc.to_html
=> "<p>foo1</p><p>foo2</p>"
>> doc.to_s
=> "<p>foo1</p><p>foo2</p>"
>> (doc / "p").to_html
=> "<p>foo1</p><p>foo2</p>"
>> doc = Hpricot('<p>foo1</p><p>foo2</p>')
=> #<Hpricot::Doc {elem <p> "foo1" </p>} {elem <p> "foo2" </p>}>
>> (doc / "p").to_html
=> "<p>foo1</p><p>foo2</p>"
>> (doc / "p").inner_html
=> "foo1foo2"
>> (doc / "p").html
=> "foo1foo2"
>> doc.html
=> "<p>foo1</p><p>foo2</p>"
>> doc.to_html
=> "<p>foo1</p><p>foo2</p>"