docs: def _prepare_nameparser_constants():
      """Prepare nameparser Constants.
  
      Remove nameparser's titles and use our own and add as suffixes the roman numerals.
      Configuration is the same for all names (i.e. instances).
      """
      constants = Constants()
      roman_numeral_suffixes = [u'v', u'vi', u'vii', u'viii', u'ix', u'x',
                                u'xii', u'xiii', u'xiv', u'xv']
      titles = [u'Dr', u'Prof', u'Professor', u'Sir', u'Editor', u'Ed', u'Mr',
                u'Mrs', u'Ms', u'Chair', u'Co-Chair', u'Chairs', u'co-Chairs']
      constants.titles.remove(*constants.titles).add(*titles)
      constants.suffix_not_acronyms.add(*roman_numeral_suffixes)
      return constants