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### 7.11 Reverse Scoring

If you want to keep just articles that have ‘`Sex with Emacs`’ in the subject header, and expunge all other articles, you could put something like this in your score file:

         (("subject"
           ("Sex with Emacs" 2))
          (mark 1)
          (expunge 1))

So, you raise all articles that match ‘`Sex with Emacs`’ and mark the rest as read, and expunge them to boot.