def to_html(filename)
      rows = annotate(filename)
      ERB.new(IO.read(File.dirname(__FILE__) + "/annotate/template.erb")).result(binding)
    rescue Sass::SyntaxError=>error
      error = Sass::SyntaxError.exception_to_css error, @options.merge(:full_exception=>true)
      ERB.new(IO.read(File.dirname(__FILE__) + "/annotate/template.erb")).result(binding)
    end
def to_html(filename)
      rows = annotate(filename)
      ERB.new(IO.read(File.dirname(__FILE__) + "/annotate/template.erb")).result(binding)
    rescue Sass::SyntaxError=>error
      error = Sass::SyntaxError.exception_to_css error, @options.merge(:full_exception=>true)
      ERB.new(IO.read(File.dirname(__FILE__) + "/annotate/template.erb")).result(binding)
    end
Annotate the named file, returns HTML document.