tag_options

# File actionview/lib/action_view/helpers/tag_helper.rb, line 149
        def tag_options(options, escape = true)
          return if options.blank?
          attrs = []
          options.each_pair do |key, value|
            if TAG_PREFIXES.include?(key) && value.is_a?(Hash)
              value.each_pair do |k, v|
                attrs << prefix_tag_option(key, k, v, escape)
              end
            elsif BOOLEAN_ATTRIBUTES.include?(key)
              attrs << boolean_tag_option(key) if value
            elsif !value.nil?
              attrs << tag_option(key, value, escape)
            end
          end
          " #{attrs * ' '}" unless attrs.empty?
        end