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