"¶" is a special HTML character code and thus displayed as such.
A workaround:
Replace the & with it's html code: &(delete this)#38;para ---> ¶
Still, it's quite annoyoing because every preview of the post will substitute the new character again and the second preview puts you back to square one. Hopefully, we can find a way to disable this "feature" for sections of text.
On some other boards, you can break it up using a silent HTML tag (e.g. </b>, but here it won't let you post, complaining about invalid HTML if you try it.