class Sass::Tree::Visitors::ToCss

def visit_root(node)
  node.children.each do |child|
    next if child.invisible?
    visit(child)
    next if node.style == :compressed
    output "\n"
    next unless child.is_a?(Sass::Tree::DirectiveNode) && child.has_children && !child.bubbles?
    output "\n"
  end
  rstrip!
  if node.style == :compressed && trailing_semicolon?
    erase! 1
  end
  return "" if @result.empty?
  output "\n"
  unless @result.ascii_only?
    if node.style == :compressed
      # A byte order mark is sufficient to tell browsers that this
      # file is UTF-8 encoded, and will override any other detection
      # methods as per http://encoding.spec.whatwg.org/#decode-and-encode.
      prepend! "\uFEFF"
    else
      prepend! "@charset \"UTF-8\";\n"
    end
  end
  @result
rescue Sass::SyntaxError => e
  e.sass_template ||= node.template
  raise e
end