docs: protected List<Map<String, ?>> generateSpecialKeywords(Set<String> keywords) {
  		final List<Map<String, ?>> list = new ArrayList<>();
  		if (!keywords.isEmpty()) {
  			list.add(pattern(it -> {
  				it.matches(keywordRegex(keywords));
  				it.style(SPECIAL_KEYWORD_STYLE);
  				it.comment("Special Keywords"); //$NON-NLS-1$
  			}));
  		}
  		return list;
  	}