If you can't get IntelliJ IDEA's JavaDoc formatter to do what you want there exists a plugin which lets you use Eclipse for formatting call Eclipse Code Formatter: http://plugins.intellij.net/plugin/?idea&id=6546
I have never used it, so I cannot comment on its quality, but it might be worth a try.
However submitting bugs and feature requests with examples would be better. Many reports are fixed quite quickly. I did not manage to find the bugs you filed though: http://youtrack.jetbrains.net/issues?q=%23rkalla
However submitting bugs and feature requests with examples would be better. Many reports are fixed quite quickly. I did not manage to find the bugs you filed though: http://youtrack.jetbrains.net/issues?q=%23rkalla