Try this out and see if someone gets this.

When you start a new account (register) you can put your signature, in my case it was basic

Mark Christianson
Webmaster - Paratrooper.net
http://www.paratrooper.net

What I noticed is that after I activated my account and went into my profile and clicked to edit my signature it showed

Mark ChristiansonWebmaster - Paratrooper.nethttp://www.paratrooper.net

so Im assuming that when it saved the registration the line breaks didnt get encoded to BR's etc.

Confirmed.

Line breaks are gone, when entering a signature during registration.

I have not tested this... in regard to modifying your signature, from the control panel.

I will do so, now.

Actually, the edit signature area, within the control panel, also removes the line breaks.

But... if you post to the forums... the signature is correct (with line breaks)