Hmmm...
at Jim from Boston @
Jim from Boston test
at madpogue @
madpogue test
at IBRyan @
IBRyan test
mention Jim from Boston @
Jim from Boston test
mention madpogue @
madpogue test
mention IBRyan @
IBRyan test
Edit:
It looks like it is working for me... for the user names above, using either the "@" symbol, or the
[MENTION
] tags.