* not, at least in ECS 1.2. Include them all just to be safe.
*/
private static CharacterFilter htmlFilter()
{
CharacterFilter filter = new CharacterFilter();
filter.addAttribute("\"", Entities.QUOT);
filter.addAttribute("'", Entities.LSQUO);
filter.addAttribute("&", Entities.AMP);
filter.addAttribute("<", Entities.LT);
filter.addAttribute(">", Entities.GT);
return filter;