module Hpricot::Builder

def head(*args, &block)

set to text/html; charset=utf-8.
Builds a head tag. Adds a meta tag inside with Content-Type 
def head(*args, &block)
  tag!(:head, *args) do
    tag!(:meta, "http-equiv" => "Content-Type", "content" => "text/html; charset=utf-8") if @output_meta_tag
    instance_eval(&block)
  end
end