http://code.sxip.com/openid4java/apidoc/ is down.

```
The javadoc on https://code.google.com/p/openid4java/wiki/Documentation has 
been a dead link for nearly 3 years, according to complaints in the comments.

```

Original issue reported on code.google.com by `humdiddl...@gmail.com` on 18 Oct 2013 at 9:18
