class Kramdown::Converter::Latex

def attribute_list(el)

Return a LaTeX comment containing all attributes as 'key="value"' pairs. 
def attribute_list(el)
  attrs = el.attr.map {|k, v| v.nil? ? '' : " #{k}=\"#{v}\"" }.compact.sort.join('')
  attrs = "   % #{attrs}" unless attrs.empty?
  attrs
end