code: private static String adaptSlug(String input, String separator) {
  		String nowhitespace = WHITESPACE.matcher(input).replaceAll(separator);
  		String normalized = Normalizer.normalize(nowhitespace, Form.NFD);
  		return NONLATIN.matcher(normalized).replaceAll("");
  	}
docs: Creates a slug but does not change capitalization.
  
  @param input
  @param separator
  @return