Oracle - Alternative Quoting Mechanism (''Q'') for String Literals - parsing error

Parsing Oracle statement:
  COMMENT ON COLUMN EMP.NAME IS q'{Name}';

CCJSqlParserUtil.parseStatements error:
net.sf.jsqlparser.JSQLParserException: net.sf.jsqlparser.parser.ParseException: Encountered unexpected token: "Q" <S_IDENTIFIER>
    at line 1, column 31.

But, it's OK:
 select q'{Its good!}' from dual;

Another parsing error: 
  select q'{It's good!}' from dual;
