class Metanorma::Utils::Log

def human_readable_xml(node)
  ret = node.dup
  ret.xpath(".//*[local-name() = 'stem']").each do |s|
    sub = s.at("./*[local-name() = 'asciimath'] | " \
               "./*[local-name() = 'latexmath']")
    sub and s.replace(sub)
  end
  ret.to_xml
end