In the rich text editor:
@slugbunne99999
In a comment:
[slugbunne99999](https://chowlings.com/user/slugbunne99999)
For Names and Avatars:
In the rich text editor:
%slugbunne99999
In a comment:
[](https://chowlings.com/user/slugbunne99999) [slugbunne99999](https://chowlings.com/user/slugbunne99999)
