According to this comment from eons ago, no one here can. However you can ask it on Meta Stack Exchange and they may help.
As far as I can research, the mods (and certainly the users) are unable to change the formatting page specifically for SFF. It is set by the developers, although changes have been implemented from Meta.SE they won't add every example in.
As for your specific problem, what you need to do is to add two spaces at the end of the line to force a line break, for example
>! Para 1
>! Para 2
(With two spaces after the top two lines) renders as:
Whereas without the two spaces, one gets:
And with only two spaces on the middle line, one gets: