I have found articles in archives that have NOT yet occurred
 
e.g.
 
S * IN listname SINCE TODAY
INDEX
 
sometimes reveals items "back from the future" i.e., dates that have
not yet occurred and that were NOT sent today.
 
--  co-owner INFOSYS, TQM-L, CPARK-L, ERAPPA-L, JANITORS, LDBASE-L, et -L
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