code: public List<String> getListAttribute(String section, String name) {
          return split(getAttribute(section, name));
      }
docs: Returns an attribute's list value from a non-main section of this JAR's manifest.
  The attributes string value will be split on whitespace into the returned list.
  The returned list may be safely modified.
  
  @param section the manifest's section
  @param name    the attribute's name