In the rich text editor:
@woods
In a comment:
[woods](https://chowlings.com/user/woods)
For Names and Avatars:
In the rich text editor:
%woods
In a comment:
[![woods's Avatar](https://chowlings.com/images/avatars/default.jpg)](https://chowlings.com/user/woods) [woods](https://chowlings.com/user/woods)