browserid.log: user is authenticated with an email that doesn't exist in the database

[jbonacci]

Found this a few times in today's (10/17/2011) browserid.log on Beta:
debug: user is authenticated with an email that doesn't exist in the database

Under what circumstances would a user action return this debug message?
And, more importantly, why would we want to allow this?

[lloyd]

this can happen if you go to browser A, authenticate as a given user, go to browser B delete that user's account, and then go back to browser A. The code immediately clear's the user's authentication status from the cookie. code is lib/wsapi/session_context.js.

Would you like the log message to be updated?

[jbonacci]

Nah, it's ok as is. I rarely see this.