final ParserImpl p2 = parserImpl("/**/>");
p2.rangle();
checkVoidCommentError("'>'", p2);
final ParserImpl p3 = parserImpl("/**/<");
p3.langle();
checkVoidCommentError("'<'", p3);
final ParserImpl p4 = parserImpl("/**/[");
p4.lbracket();
checkVoidCommentError("'['", p4);