>> require "hpricot" => true >> Hpricot.build ArgumentError: block not supplied ... >> Hpricot.build {} => #<Hpricot::Doc> >> Hpricot.build(Hpricot('')) {} => #<Hpricot::Doc> >> Hpricot.build(Hpricot(''), 'p' => '') {} => #<Hpricot::Doc> >> Hpricot.build(Hpricot(''), 'p' => 'foo')</hpricot::doc></hpricot::doc></hpricot::doc>…