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From: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
Newsgroups: gmane.emacs.gnus.general
Subject: Re: adaptive word score, and numbers
Date: 18 Nov 1996 18:56:29 +0100
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Steinar Bang <sb@metis.no> writes:

> A common factor for these groups, are subjects, with letter
> combinations, followed by numbers.  And these letter combinations are
> relevant for what I want the score to adapt to.  Eg. in rec.av.mil, I
> would like it to increase score for F-104 (actually also for CF-104,
> F104, and other interesting combinations), while I would like to sink
> score for anything with "TWA 800" in subject.  In rec.moto I would
> like to increase score on "VFR750F" (Yeah!  Go little Viffer! Go! Go!
> GO! :-), and sink in on everything with HD in it (though that's not
> really relevant...)

Well, I think this is just what adaptive word scoring will get you.
If you don't read articles with "TWA 800" in the subjects, the words
"TWA" and "800" will get their scores lowered.  

If the words you want to score on contain "-", you should modify the
syntax entry for that character to be word-consituent:

(setq gnus-adaptive-word-syntax-table 
      (copy-syntax-table (standard-syntax-table)))
(modify-syntax-entry ?- "w" gnus-adaptive-word-syntax-table)

(By the way, by default, numbers are considered to be white space when
doing word scoring.)

-- 
(domestic pets only, the antidote for overdose, milk.)
  larsi@ifi.uio.no * Lars Ingebrigtsen