class Nokogiri::HTML::DocumentFragment

def initialize document, tags = nil, ctx = nil 

def initialize document, tags = nil, ctx = nil
  return self unless tags
  if ctx
    preexisting_errors = document.errors.dup
    node_set = ctx.parse("<div>#{tags}</div>")
    node_set.first.children.each { |child| child.parent = self } unless node_set.empty?
    self.errors = document.errors - preexisting_errors
  else
    # This is a horrible hack, but I don't care
    if tags.strip =~ /^<body/i
      path = "/html/body"
    else
      path = "/html/body/node()"
    end
    temp_doc = HTML::Document.parse "<html><body>#{tags}", nil, document.encoding
    temp_doc.xpath(path).each { |child| child.parent = self }
    self.errors = temp_doc.errors
  end
  children
end