    class Malformed

    public void malformed() {
    [@replace: missing 'replacement' attribute]
    [@highlight: unsupported attribute: 'hello']
    [Markup tag or attribute expected]
    [@replace: missing 'replacement' attribute]
    [@link: missing 'target' attribute]
    [@link: unknown type 'none'; only 'link' and 'linkplain' are supported]
    [@replace: malformed regular expression: Dangling meta character '?' near index 0
    ???
    ^]
      System.out.println("hello");
    [@replace: malformed regular expression replacement '$1': No group 1]
      System.out.println("hello");
    }