In the rich text editor:
@fruitbat
In a comment:
[fruitbat](https://chowlings.com/user/fruitbat)
For Names and Avatars:
In the rich text editor:
%fruitbat
In a comment:
[](https://chowlings.com/user/fruitbat) [fruitbat](https://chowlings.com/user/fruitbat)
