She is vanished, when she is completely gone, the only way to know she is there is if she talks through Square.
I think there is two different ways to vanish, when she does MA she is gone the only way to see here is if she talks. =]
Every way of detection was patched up - /who used to show, then that was fixed (along with /p). Spam /telling them worked for a bit, but not they just appear as offline. So yeah, they're fairly hard to detect.
Your color codes were wrong, so I fixed them. Your ban message is wrong, too. I didn't fix it. Honestly, if you couldn't code... [I am obviously kidding.]
Congrats guys! I knew you both since, when, 1.8.1? (*sigh* Oh, 1.8.1...) Aikar, you always helped us out in our time of need, and Max, you're always there when anyone needs you! You guys are awesome, keep up your awesomeness, or I'ma comin' for you both... Hahah, kidding, or am I? ( o_o)