module Hpricot::Builder

def xhtml_transitional(attrs = {}, &block)

:lang => "en".
are prepended. Also assumes :xmlns => "http://www.w3.org/1999/xhtml",
Builds an html tag. An XML 1.0 instruction and an XHTML 1.0 Transitional doctype 
def xhtml_transitional(attrs = {}, &block)
  # self.tagset = Hpricot::XHTMLTransitional
  xhtml_html(attrs, &block)
end