>   Since someone else already answered your specific question, I will
>not repeat it.  The doc that lists and explains these keywords is
>LISTKEYW MEMO.
 
Don't think so - pulled it from 3 different (US) listserv's (including
yours) and none of them make reference to these keywords.
 
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Mark J Strawcutter                           BitNet:    MJSTRAW@IUP
Director, Systems and Data Communications    InterNet:  [log in to unmask]
Indiana University of Pennsylvania           AT&T:      (412) 357-4000
Indiana, PA   15705                          "you can't nail jello to a tree"