# File lib/kramdown/converter/latex.rb, line 60
      def inner(el, opts)
        result = ''
        options = opts.dup.merge(:parent => el)
        el.children.each_with_index do |inner_el, index|
          options[:index] = index
          options[:result] = result
          result << send("convert_#{inner_el.type}", inner_el, options)
        end
        result
      end