hpricot：Hpricot::Traverse#inner_text, #innerText

everyday Ruby 
>> doc = Hpricot('<p><b>foo1</b></p><p>foo2</p>')
=> #<Hpricot::Doc {elem <p> {elem <b> "foo1" </b>} </p>} {elem <p> "foo2" </p>}>
>> doc.html
=> "<p><b>foo1</b></p><p>foo2</p>"
>> doc.at('p').html
=> "<b>foo1</b>"
>> doc.at('p').inner_text
=> "foo1"
>> doc.at('p').innerText
=> "foo1"
>> doc.at('p').text
NoMethodError: undefined method `text' for {elem <p> {elem <b> "foo1" </b>} </p>}:Hpricot::Elem
	from (irb):7
>> doc.search('p').inner_text
=> "foo1foo2"
>> doc.search('p').innerText
NoMethodError: undefined method `innerText' for #<Hpricot::Elements:0xb7a53784>
	from (irb):9
>> doc.search('p').text
=> "foo1foo2"