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