docs: def print_markdown(data, title=None):
      """Print data in GitHub-flavoured Markdown format for issues etc.
  
      data (dict or list of tuples): Label/value pairs.
      title (unicode or None): Title, will be rendered as headline 2.
      """
      def excl_value(value):
          # contains path, i.e. personal info
          return isinstance(value, basestring_) and Path(value).exists()
  
      if isinstance(data, dict):
          data = list(data.items())
      markdown = ["* **{}:** {}".format(l, unicode_(v))
                  for l, v in data if not excl_value(v)]
      if title:
          print("\n## {}".format(title))
      print('\n{}\n'.format('\n'.join(markdown)))