code: function escape_code(defaultRenderer) {
    return function(tokens, idx, options, env, slf) {
      tokens[idx].content = tokens[idx].content
        .slice(2, -2)
        .replace(/\\`/g, '__BACK_TICK__');
  
      return defaultRenderer(tokens, idx, options, env, slf);
    };
  }
docs: /* eslint-disable camelcase