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