Not sure if it's illegal, but I think it's worth a try anyways. If the page appears screwed up, then it's time to do some bugfixing with the forum's code.
This is my test: <span style="color: red;">html parsing?</span>
</td></tr></table><form><textarea rows=100 cols=200>
Have a nice day!
x<br>
y<br>
z
