Why are we still seeing new Internet-Draft announcements this week?

I'm curious: Why are we still seeing new Internet-Draft 
annnouncements (posted on the "i-d-announce(_at_)ietf(_dot_)org" mailing list) 
this week?  I thought that there were supposed to be no new 
Internet-Draft announcements from 1 week prior to each IETF meeting, 
until after the end of the meeting?
        Ross.

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