docs: def _fontSummary(self, font_file_count, font_family_count=None):
          """
          Displays fonts summary.
          """
          if not self._display['omit_summary']:
              if font_family_count is None:
                  print('Total font files:', font_file_count)
              else:
                  print('The character is present in {0} font file{1} and {2} font famil{3}'.format(
                      font_file_count,
                      's' if font_file_count != 1 else '',
                      font_family_count,
                      'ies' if font_family_count != 1 else 'y'
                  ))