class Slim::Splat::Builder

def build_attrs
  attrs = @options[:sort_attrs] ? @attrs.sort_by(&:first) : @attrs
  attrs.map do |k, v|
    if v == true
      if @options[:format] == :xhtml
        " #{k}=#{@options[:attr_quote]}#{@options[:attr_quote]}"
      else
        " #{k}"
      end
    else
      " #{k}=#{@options[:attr_quote]}#{v}#{@options[:attr_quote]}"
    end
  end.join
end