You know this only shows in game, in the editor its normal
Text|nNext Line of Text
in the game its: Text
Next line of Text
In tooltips Im pretty sure holding shift and pressing enter does the same thing, but also visually in the editor... If your using triggers and it still doesnt work then you can display 2 messages instead.
I do know this - xenforo dropped the ball by not keeping the vbulletin reputation comments as a feature. The loss of the Reputation comments data when we switched to Xenforo really was the death knell for the site when it came to all the users that left. I know I missed it so much and I got way less interested in the site when that feature was gone and I run the site.
I'm on a page about incorrect corrections, and spent the better part of like two hours trying to get someone to understand that -5^2 = -25, not 25, and then that post had comments get reposted because that group is self sustaining, and that person was in turn trying to explain what I just explained to them. And I'm taking that as a victory