xemacs-beta: lisp/gnus/gnus-score.el comparison

comparison lisp/gnus/gnus-score.el @ 98:0d2f883870bc r20-1b1

Import from CVS: tag r20-1b1

author	cvs
date	Mon, 13 Aug 2007 09:13:56 +0200
parents	131b0175ea99
children	4be1180a9e89

comparison

equal deleted inserted replaced

-:498bf5da1c90
+:0d2f883870bc
 ;;; gnus-score.el --- scoring code for Gnus
-;; Copyright (C) 1995,96 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96,97 Free Software Foundation, Inc.
 ;; Author: Per Abrahamsen <amanda@iesd.auc.dk>
 ;;	Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
 ;; Keywords: news
 ;;; Commentary:
 ;;; Code:
 (require 'gnus)
-(eval-when-compile (require 'cl))
+(require 'gnus-sum)
+(require 'gnus-range)
-(defvar gnus-global-score-files nil
-"*List of global score files and directories.
+(defcustom gnus-global-score-files nil
+"List of global score files and directories.
 Set this variable if you want to use people's score files.  One entry
 for each score file or each score file directory.  Gnus will decide
 by itself what score files are applicable to which group.
 Say you want to use the single score file
 \"/ftp.ifi.uio.no@ftp:/pub/larsi/ding/score/soc.motss.SCORE\" and all
 score files in the \"/ftp.some-where:/pub/score\" directory.
 (setq gnus-global-score-files
 '(\"/ftp.ifi.uio.no:/pub/larsi/ding/score/soc.motss.SCORE\"
-\"/ftp.some-where:/pub/score\"))")
+\"/ftp.some-where:/pub/score\"))"
+:group 'gnus-score
-(defvar gnus-score-file-single-match-alist nil
+:type '(repeat file))
-"*Alist mapping regexps to lists of score files.
+(defcustom gnus-score-file-single-match-alist nil
+"Alist mapping regexps to lists of score files.
 Each element of this alist should be of the form
 	(\"REGEXP\" [ \"SCORE-FILE-1\" ] [ \"SCORE-FILE-2\" ] ... )
 If the name of a group is matched by REGEXP, the corresponding scorefiles
 will be used for that group.
 The first match found is used, subsequent matching entries are ignored (to
 use multiple matches, see gnus-score-file-multiple-match-alist).
 These score files are loaded in addition to any files returned by
-gnus-score-find-score-files-function (which see).")
+gnus-score-find-score-files-function (which see)."
+:group 'gnus-score
-(defvar gnus-score-file-multiple-match-alist nil
+:type '(repeat (cons regexp (repeat file))))
-"*Alist mapping regexps to lists of score files.
+(defcustom gnus-score-file-multiple-match-alist nil
+"Alist mapping regexps to lists of score files.
 Each element of this alist should be of the form
 	(\"REGEXP\" [ \"SCORE-FILE-1\" ] [ \"SCORE-FILE-2\" ] ... )
 If the name of a group is matched by REGEXP, the corresponding scorefiles
 will be used for that group.
 If multiple REGEXPs match a group, the score files corresponding to each
 match will be used (for only one match to be used, see
 gnus-score-file-single-match-alist).
 These score files are loaded in addition to any files returned by
-gnus-score-find-score-files-function (which see).")
+gnus-score-find-score-files-function (which see)."
+:group 'gnus-score
-(defvar gnus-score-file-suffix "SCORE"
+:type '(repeat (cons regexp (repeat file))))
-"*Suffix of the score files.")
+(defcustom gnus-score-file-suffix "SCORE"
-(defvar gnus-adaptive-file-suffix "ADAPT"
+"Suffix of the score files."
-"*Suffix of the adaptive score files.")
+:group 'gnus-score
+:type 'string)
-(defvar gnus-score-find-score-files-function 'gnus-score-find-bnews
-"*Function used to find score files.
+(defcustom gnus-adaptive-file-suffix "ADAPT"
+"Suffix of the adaptive score files."
+:group 'gnus-score
+:type 'string)
+(defcustom gnus-score-find-score-files-function 'gnus-score-find-bnews
+"Function used to find score files.
 The function will be called with the group name as the argument, and
 should return a list of score files to apply to that group.  The score
 files do not actually have to exist.
 Predefined values are:
 See the documentation to these functions for more information.
 This variable can also be a list of functions to be called.  Each
 function should either return a list of score files, or a list of
-score alists.")
+score alists."
+:group 'gnus-score
-(defvar gnus-score-interactive-default-score 1000
+:type '(radio (function-item gnus-score-find-single)
-"*Scoring commands will raise/lower the score with this number as the default.")
+		(function-item gnus-score-find-hierarchical)
+		(function-item gnus-score-find-bnews)
-(defvar gnus-score-expiry-days 7
+		(function :tag "Other")))
+(defcustom gnus-score-interactive-default-score 1000
+"*Scoring commands will raise/lower the score with this number as the default."
+:group 'gnus-score
+:type 'integer)
+(defcustom gnus-score-expiry-days 7
 "*Number of days before unused score file entries are expired.
-If this variable is nil, no score file entries will be expired.")
+If this variable is nil, no score file entries will be expired."
+:group 'gnus-score
-(defvar gnus-update-score-entry-dates t
+:type '(choice (const :tag "never" nil)
+		 number))
+(defcustom gnus-update-score-entry-dates t
 "*In non-nil, update matching score entry dates.
 If this variable is nil, then score entries that provide matches
-will be expired along with non-matching score entries.")
+will be expired along with non-matching score entries."
+:group 'gnus-score
-(defvar gnus-orphan-score nil
+:type 'boolean)
-"*All orphans get this score added. Set in the score file.")
+(defcustom gnus-orphan-score nil
-(defvar gnus-default-adaptive-score-alist
+"*All orphans get this score added.  Set in the score file."
+:group 'gnus-score
+:type 'integer)
+(defcustom gnus-decay-scores nil
+"*If non-nil, decay non-permanent scores."
+:group 'gnus-score
+:type 'boolean)
+(defcustom gnus-decay-score-function 'gnus-decay-score
+"*Function called to decay a score.
+It is called with one parameter -- the score to be decayed."
+:group 'gnus-score
+:type '(radio (function-item gnus-decay-score)
+		(function :tag "Other")))
+(defcustom gnus-score-decay-constant 3
+"*Decay all \"small\" scores with this amount."
+:group 'gnus-score
+:type 'integer)
+(defcustom gnus-score-decay-scale .05
+"*Decay all \"big\" scores with this factor."
+:group 'gnus-score
+:type 'number)
+(defcustom gnus-home-score-file nil
+"Variable to control where interactive score entries are to go.
+It can be:
+* A string
+This file file will be used as the home score file.
+* A function
+The result of this function will be used as the home score file.
+The function will be passed the name of the group as its
+parameter.
+* A list
+The elements in this list can be:
+* `(regexp file-name ...)'
+If the `regexp' matches the group name, the first `file-name' will
+will be used as the home score file.  (Multiple filenames are
+allowed so that one may use gnus-score-file-single-match-alist to
+set this variable.)
+* A function.
+If the function returns non-nil, the result will be used
+as the home score file.  The function will be passed the
+name of the group as its parameter.
+* A string.  Use the string as the home score file.
+The list will be traversed from the beginning towards the end looking
+for matches."
+:group 'gnus-score
+:type '(choice string
+		 (repeat (choice string
+				 (cons regexp (repeat file))
+				 function))
+		 function))
+(defcustom gnus-home-adapt-file nil
+"Variable to control where new adaptive score entries are to go.
+This variable allows the same syntax as `gnus-home-score-file'."
+:group 'gnus-score
+:type '(choice string
+		 (repeat (choice string
+				 (cons regexp (repeat file))
+				 function))
+		 function))
+(defcustom gnus-default-adaptive-score-alist
 '((gnus-kill-file-mark)
 (gnus-unread-mark)
-(gnus-read-mark (from  3) (subject  30))
+(gnus-read-mark (from 3) (subject 30))
 (gnus-catchup-mark (subject -10))
 (gnus-killed-mark (from -1) (subject -20))
 (gnus-del-mark (from -2) (subject -15)))
-"*Alist of marks and scores.")
+"Alist of marks and scores."
+:group 'gnus-score
-(defvar gnus-score-mimic-keymap nil
+:type '(repeat (cons (symbol :tag "Mark")
-"*Have the score entry functions pretend that they are a keymap.")
+		     (repeat (list (choice :tag "Header"
+					   (const from)
-(defvar gnus-score-exact-adapt-limit 10
+					   (const subject)
+					   (symbol :tag "other"))
+				   (integer :tag "Score"))))))
+(defcustom gnus-ignored-adaptive-words nil
+"List of words to be ignored when doing adaptive word scoring."
+:group 'gnus-score
+:type '(repeat string))
+(defcustom gnus-default-ignored-adaptive-words
+'("a" "i" "the" "to" "of" "and" "in" "is" "it" "for" "that" "if" "you"
+"this" "be" "on" "with" "not" "have" "are" "or" "as" "from" "can"
+"but" "by" "at" "an" "will" "no" "all" "was" "do" "there" "my" "one"
+"so" "we" "they" "what" "would" "any" "which" "about" "get" "your"
+"use" "some" "me" "then" "name" "like" "out" "when" "up" "time"
+"other" "more" "only" "just" "end" "also" "know" "how" "new" "should"
+"been" "than" "them" "he" "who" "make" "may" "people" "these" "now"
+"their" "here" "into" "first" "could" "way" "had" "see" "work" "well"
+"were" "two" "very" "where" "while" "us" "because" "good" "same"
+"even" "much" "most" "many" "such" "long" "his" "over" "last" "since"
+"right" "before" "our" "without" "too" "those" "why" "must" "part"
+"being" "current" "back" "still" "go" "point" "value" "each" "did"
+"both" "true" "off" "say" "another" "state" "might" "under" "start"
+"try" "re")
+"Default list of words to be ignored when doing adaptive word scoring."
+:group 'gnus-score
+:type '(repeat string))
+(defcustom gnus-default-adaptive-word-score-alist
+`((,gnus-read-mark . 30)
+(,gnus-catchup-mark . -10)
+(,gnus-killed-mark . -20)
+(,gnus-del-mark . -15))
+"Alist of marks and scores."
+:group 'gnus-score
+:type '(repeat (cons (character :tag "Mark")
+		     (integer :tag "Score"))))
+(defcustom gnus-score-mimic-keymap nil
+"*Have the score entry functions pretend that they are a keymap."
+:group 'gnus-score
+:type 'boolean)
+(defcustom gnus-score-exact-adapt-limit 10
 "*Number that says how long a match has to be before using substring matching.
 When doing adaptive scoring, one normally uses fuzzy or substring
 matching.  However, if the header one matches is short, the possibility
 for false positives is great, so if the length of the match is less
 than this variable, exact matching will be used.
-If this variable is nil, exact matching will always be used.")
+If this variable is nil, exact matching will always be used."
+:group 'gnus-score
-(defvar gnus-score-uncacheable-files "ADAPT$"
+:type '(choice (const nil) integer))
-"*All score files that match this regexp will not be cached.")
+(defcustom gnus-score-uncacheable-files "ADAPT$"
-(defvar gnus-score-default-header nil
+"All score files that match this regexp will not be cached."
+:group 'gnus-score
+:type 'regexp)
+(defcustom gnus-score-default-header nil
 "Default header when entering new scores.
 Should be one of the following symbols.
 a: from
 x: xref
 l: lines
 d: date
 f: followup
-If nil, the user will be asked for a header.")
+If nil, the user will be asked for a header."
+:group 'gnus-score
-(defvar gnus-score-default-type nil
+:type '(choice (const :tag "from" a)
+		 (const :tag "subject" s)
+		 (const :tag "body" b)
+		 (const :tag "head" h)
+		 (const :tag "message-id" i)
+		 (const :tag "references" t)
+		 (const :tag "xref" x)
+		 (const :tag "lines" l)
+		 (const :tag "date" d)
+		 (const :tag "followup" f)))
+(defcustom gnus-score-default-type nil
 "Default match type when entering new scores.
 Should be one of the following symbols.
 s: substring
 n: this date
 <: less than number
 >: greater than number
 =: equal to number
-If nil, the user will be asked for a match type.")
+If nil, the user will be asked for a match type."
+:group 'gnus-score
-(defvar gnus-score-default-fold nil
+:type '(choice (const :tag "substring" s)
-"Use case folding for new score file entries iff not nil.")
+		 (const :tag "exact string" e)
+		 (const :tag "fuzzy string" f)
-(defvar gnus-score-default-duration nil
+		 (const :tag "regexp string" r)
+		 (const :tag "before date" b)
+		 (const :tag "at date" a)
+		 (const :tag "this date" n)
+		 (const :tag "less than number" <)
+		 (const :tag "greater than number" >)
+		 (const :tag "equal than number" =)))
+(defcustom gnus-score-default-fold nil
+"Use case folding for new score file entries iff not nil."
+:group 'gnus-score
+:type 'boolean)
+(defcustom gnus-score-default-duration nil
 "Default duration of effect when entering new scores.
 Should be one of the following symbols.
 t: temporary
 p: permanent
 i: immediate
-If nil, the user will be asked for a duration.")
+If nil, the user will be asked for a duration."
+:group 'gnus-score
-(defvar gnus-score-after-write-file-function nil
+:type '(choice (const :tag "temporary" t)
-"*Function called with the name of the score file just written to disk.")
+		 (const :tag "permanent" p)
+		 (const :tag "immediate" i)))
+(defcustom gnus-score-after-write-file-function nil
+"Function called with the name of the score file just written to disk."
+:group 'gnus-score
+:type 'function)
 ;; Internal variables.
+(defvar gnus-adaptive-word-syntax-table
+(let ((table (copy-syntax-table (standard-syntax-table)))
+	(numbers '(?0 ?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9)))
+(while numbers
+(modify-syntax-entry (pop numbers) " " table))
+(modify-syntax-entry ?' "w" table)
+table)
+"Syntax table used when doing adaptive word scoring.")
+(defvar gnus-scores-exclude-files nil)
 (defvar gnus-internal-global-score-files nil)
 (defvar gnus-score-file-list nil)
 (defvar gnus-short-name-score-file-cache nil)
 (defvar gnus-score-help-winconf nil)
 (defvar gnus-adaptive-score-alist gnus-default-adaptive-score-alist)
+(defvar gnus-adaptive-word-score-alist gnus-default-adaptive-word-score-alist)
 (defvar gnus-score-trace nil)
 (defvar gnus-score-edit-buffer nil)
 (defvar gnus-score-alist nil
 "Alist containing score information.
 mark:    Automatically mark articles below this.
 expunge: Automatically expunge articles below this.
 files:   List of other score files to load when loading this one.
 eval:    Sexp to be evaluated when the score file is loaded.
 String entries have the form (HEADER (MATCH TYPE SCORE DATE) ...)
 where HEADER is the header being scored, MATCH is the string we are
 looking for, TYPE is a flag indicating whether it should use regexp or
 substring matching, SCORE is the score to add and DATE is the date
 of the last successful match.")
 ;; Name to index alist.
 '(("number" 0 gnus-score-integer)
 ("subject" 1 gnus-score-string)
 ("from" 2 gnus-score-string)
 ("date" 3 gnus-score-date)
 ("message-id" 4 gnus-score-string)
 ("references" 5 gnus-score-string)
 ("chars" 6 gnus-score-integer)
 ("lines" 7 gnus-score-integer)
 ("xref" 8 gnus-score-string)
 ("head" -1 gnus-score-body)
 ("body" -1 gnus-score-body)
 ("all" -1 gnus-score-body)
 ("followup" 2 gnus-score-followup)
 ("thread" 5 gnus-score-thread)))
-(eval-and-compile
-(autoload 'gnus-uu-ctl-map "gnus-uu" nil nil 'keymap))
 ;;; Summary mode score maps.
-(gnus-define-keys
+(gnus-define-keys (gnus-summary-score-map "V" gnus-summary-mode-map)
-(gnus-summary-score-map "V" gnus-summary-mode-map)
+"s" gnus-summary-set-score
-"s" gnus-summary-set-score
+"a" gnus-summary-score-entry
-"a" gnus-summary-score-entry
+"S" gnus-summary-current-score
-"S" gnus-summary-current-score
+"c" gnus-score-change-score-file
-"c" gnus-score-change-score-file
+"C" gnus-score-customize
 "m" gnus-score-set-mark-below
 "x" gnus-score-set-expunge-below
 "R" gnus-summary-rescore
 "e" gnus-score-edit-current-scores
 "f" gnus-score-edit-file
 "F" gnus-score-flush-cache
 "t" gnus-score-find-trace
-"C" gnus-score-customize)
+"w" gnus-score-find-favourite-words)
 ;; Summary score file commands
 ;; Much modification of the kill (ahem, score) code and lots of the
 ;; functions are written by Per Abrahamsen <amanda@iesd.auc.dk>.
 permanence, and the string to be used.  The numerical prefix will be
 used as score."
 (interactive "P")
 (gnus-summary-increase-score (- (gnus-score-default score))))
-(defvar gnus-score-default-header nil
-"*The default header to score on when entering a score rule interactively.")
-(defvar gnus-score-default-type nil
-"*The default score type to use when entering a score rule interactively.")
-(defvar gnus-score-default-duration nil
-"*The default score duration to use on when entering a score rule interactively.")
 (defun gnus-score-kill-help-buffer ()
 (when (get-buffer "*Score Help*")
 (kill-buffer "*Score Help*")
-(and gnus-score-help-winconf
+(when gnus-score-help-winconf
-	 (set-window-configuration gnus-score-help-winconf))))
+(set-window-configuration gnus-score-help-winconf))))
 (defun gnus-summary-increase-score (&optional score)
 "Make a score entry based on the current article.
 The user will be prompted for header to score on, match type,
 permanence, and the string to be used.  The numerical prefix will be
 	  '((?s s "substring" string)
 	    (?e e "exact string" string)
 	    (?f f "fuzzy string" string)
 	    (?r r "regexp string" string)
 	    (?z s "substring" body-string)
-	    (?p s "regexp string" body-string)
+	    (?p r "regexp string" body-string)
 	    (?b before "before date" date)
 	    (?a at "at date" date)
 	    (?n now "this date" date)
 	    (?< < "less than number" number)
 	    (?> > "greater than number" number)
 	    (?= = "equal to number" number)))
 	 (char-to-perm
 	  (list (list ?t (current-time-string) "temporary")
 		'(?p perm "permanent") '(?i now "immediate")))
 	 (mimic gnus-score-mimic-keymap)
 	 (hchar (and gnus-score-default-header
 		     (aref (symbol-name gnus-score-default-header) 0)))
 	 (tchar (and gnus-score-default-type
 	  (gnus-score-kill-help-buffer)
 	  (unless (setq entry (assq (downcase hchar) char-to-header))
 	    (if mimic (error "%c %c" prefix hchar) (error "")))
 	  (when (/= (downcase hchar) hchar)
-	    ;; This was a majuscle, so we end reading and set the defaults.
+	    ;; This was a majuscule, so we end reading and set the defaults.
 	    (if mimic (message "%c %c" prefix hchar) (message ""))
 	    (setq tchar (or tchar ?s)
 		  pchar (or pchar ?t)))
 	  ;; We continue reading - the type.
 		(progn
 		  (sit-for 1) (message "%c %c-" prefix hchar))
 	      (message "%s header '%s' with match type (%s?): "
 		       (if increase "Increase" "Lower")
 		       (nth 1 entry)
 		       (mapconcat (lambda (s)
 				    (if (eq (nth 4 entry)
 					    (nth 3 s))
 					(char-to-string (car s))
 				      ""))
 				  char-to-type "")))
 	    (setq tchar (read-char))
 	    (when (or (= tchar ??) (= tchar ?\C-h))
 	      (setq tchar nil)
 	      (gnus-score-insert-help
 	       "Match type"
 	       (delq nil
 		     (mapcar (lambda (s)
 			       (if (eq (nth 4 entry)
 				       (nth 3 s))
 				   s nil))
-			     char-to-type ))
+			     char-to-type))
 	       2)))
 	  (gnus-score-kill-help-buffer)
 	  (unless (setq type (nth 1 (assq (downcase tchar) char-to-type)))
 	    (if mimic (error "%c %c" prefix hchar) (error "")))
 	  (when (/= (downcase tchar) tchar)
-	    ;; It was a majuscle, so we end reading and use the default.
+	    ;; It was a majuscule, so we end reading and use the default.
 	    (if mimic (message "%c %c %c" prefix hchar tchar)
 	      (message ""))
 	    (setq pchar (or pchar ?p)))
 	  ;; We continue reading.
 	  (gnus-score-kill-help-buffer)
 	  (if mimic (message "%c %c %c" prefix hchar tchar pchar)
 	    (message ""))
 	  (unless (setq temporary (cadr (assq pchar char-to-perm)))
+	    ;; Deal with der(r)ided superannuated paradigms.
+	    (when (and (eq (1+ prefix) 77)
+		       (eq (+ hchar 12) 109)
+		       (eq tchar 114)
+		       (eq (- pchar 4) 111))
+	      (error "You rang?"))
 	    (if mimic
 		(error "%c %c %c %c" prefix hchar tchar pchar)
 	      (error ""))))
 ;; Always kill the score help buffer.
 (gnus-score-kill-help-buffer))
 (gnus-summary-score-entry
 (nth 1 entry)			; Header
 match				; Match
 type				; Type
-(if (eq 's score) nil score)	; Score
+(if (eq score 's) nil score)	; Score
-(if (eq 'perm temporary)		; Temp
+(if (eq temporary 'perm)		; Temp
 	 nil
 temporary)
 (not (nth 3 entry)))		; Prompt
 ))
 (defun gnus-score-insert-help (string alist idx)
 (setq gnus-score-help-winconf (current-window-configuration))
 	  (i 0)
 	  n width pad format)
 ;; find the longest string to display
 (while list
 	(setq n (length (nth idx (car list))))
-	(or (> max n)
+	(unless (> max n)
-	    (setq max n))
+	  (setq max n))
 	(setq list (cdr list)))
 (setq max (+ max 4))		; %c, `:', SPACE, a SPACE at end
-(setq n (/ (1- (window-width)) max))	; items per line
+(setq n (/ (1- (window-width)) max)) ; items per line
 (setq width (/ (1- (window-width)) n)) ; width of each item
 ;; insert `n' items, each in a field of width `width'
 (while alist
 	(if (< i n)
 	    ()
 	  (error "No article on current line")
 	nil))))
 (defun gnus-newsgroup-score-alist ()
 (or
-(let ((param-file (gnus-group-get-parameter
+(let ((param-file (gnus-group-find-parameter
 		      gnus-newsgroup-name 'score-file)))
 (when param-file
 (gnus-score-load param-file)))
 (gnus-score-load
 (gnus-score-file-name gnus-newsgroup-name)))
 (cdr (assoc symbol
 	      (or alist
 		  gnus-score-alist
 		  (gnus-newsgroup-score-alist)))))
-(defun gnus-summary-score-entry
+(defun gnus-summary-score-entry (header match type score date
-(header match type score date &optional prompt silent)
+					&optional prompt silent)
 "Enter score file entry.
 HEADER is the header being scored.
 MATCH is the string we are looking for.
 TYPE is the match type: substring, regexp, exact, fuzzy.
 SCORE is the score to add.
 		'now)
 	       ((y-or-n-p "Expire kill? ")
 		(current-time-string))
 	       (t nil))))
 ;; Regexp is the default type.
-(if (eq type t) (setq type 'r))
+(when (eq type t)
+(setq type 'r))
 ;; Simplify matches...
 (cond ((or (eq type 'r) (eq type 's) (eq type nil))
 	 (setq match (if match (gnus-simplify-subject-re match) "")))
 	((eq type 'f)
 	 (setq match (gnus-simplify-subject-fuzzy match))))
 (let ((score (gnus-score-default score))
 	(header (format "%s" (downcase header)))
 	new)
-(and prompt (setq match (read-string
+(when prompt
-			     (format "Match %s on %s, %s: "
+(setq match (read-string
-				     (cond ((eq date 'now)
+		   (format "Match %s on %s, %s: "
-					    "now")
+			   (cond ((eq date 'now)
-					   ((stringp date)
+				  "now")
-					    "temp")
+				 ((stringp date)
-					   (t "permanent"))
+				  "temp")
-				     header
+				 (t "permanent"))
-				     (if (< score 0) "lower" "raise"))
+			   header
-			     (if (numberp match)
+			   (if (< score 0) "lower" "raise"))
-				 (int-to-string match)
+		   (if (numberp match)
-			       match))))
+		       (int-to-string match)
+		     match))))
 ;; Get rid of string props.
 (setq match (format "%s" match))
 ;; If this is an integer comparison, we transform from string to int.
-(and (eq (nth 2 (assoc header gnus-header-index)) 'gnus-score-integer)
+(when (eq (nth 2 (assoc header gnus-header-index)) 'gnus-score-integer)
-	 (setq match (string-to-int match)))
+(setq match (string-to-int match)))
 (unless (eq date 'now)
 ;; Add the score entry to the score file.
 (when (= score gnus-score-interactive-default-score)
-	   (setq score nil))
+	(setq score nil))
 (let ((old (gnus-score-get header))
 	    elem)
 	(setq new
 	      (cond
-	       (type (list match score (and date (gnus-day-number date)) type))
+	       (type
+		(list match score
+		      (and date (if (numberp date) date
+				  (gnus-day-number date)))
+		      type))
 	       (date (list match score (gnus-day-number date)))
 	       (score (list match score))
 	       (t (list match))))
 	;; We see whether we can collapse some score entries.
 	;; This isn't quite correct, because there may be more elements
-	;; later on with the same key that have matching elems... Hm.
+	;; later on with the same key that have matching elems...  Hm.
 	(if (and old
 		 (setq elem (assoc match old))
 		 (eq (nth 3 elem) (nth 3 new))
 		 (or (and (numberp (nth 2 elem)) (numberp (nth 2 new)))
 		     (and (not (nth 2 elem)) (not (nth 2 new)))))
 	    ;; Yup, we just add this new score to the old elem.
 	    (setcar (cdr elem) (+ (or (nth 1 elem)
 				      gnus-score-interactive-default-score)
 				  (or (nth 1 new)
 				      gnus-score-interactive-default-score)))
 	  ;; Nope, we have to add a new elem.
 	  (gnus-score-set header (if old (cons new old) (list new))))
 (defun gnus-summary-score-effect (header match type score)
 "Simulate the effect of a score file entry.
 HEADER is the header being scored.
 MATCH is the string we are looking for.
-TYPE is a flag indicating if it is a regexp or substring.
+TYPE is the score type.
 SCORE is the score to add."
 (interactive (list (completing-read "Header: "
 				      gnus-header-index
 				      (lambda (x) (fboundp (nth 2 x)))
 				      t)
 		     (read-string "Match: ")
 		     (y-or-n-p "Use regexp match? ")
 		     (prefix-numeric-value current-prefix-arg)))
 (save-excursion
-(or (and (stringp match) (> (length match) 0))
+(unless (and (stringp match) (> (length match) 0))
-	(error "No match"))
+(error "No match"))
 (goto-char (point-min))
 (let ((regexp (cond ((eq type 'f)
 			 (gnus-simplify-subject-fuzzy match))
 			((eq type 'r)
 			 match)
 			((eq type 'e)
 			 (concat "\\`" (regexp-quote match) "\\'"))
 			(t
 			 (regexp-quote match)))))
 (while (not (eobp))
 	(let ((content (gnus-summary-header header 'noerr))
 	      (case-fold-search t))
 	  (and content
-	       (if (if (eq type 'f)
+	       (when (if (eq type 'f)
-		       (string-equal (gnus-simplify-subject-fuzzy content)
+			 (string-equal (gnus-simplify-subject-fuzzy content)
-				     regexp)
+				       regexp)
-		     (string-match regexp content))
+		       (string-match regexp content))
-		   (gnus-summary-raise-score score))))
+		 (gnus-summary-raise-score score))))
-	(beginning-of-line 2)))))
+	(beginning-of-line 2))))
+(gnus-set-mode-line 'summary))
 (defun gnus-summary-score-crossposting (score date)
 ;; Enter score file entry for current crossposting.
 ;; SCORE is the score to add.
 ;; DATE is the expire date.
 (let ((xref (gnus-summary-header "xref"))
 	(start 0)
 	group)
-(or xref (error "This article is not crossposted"))
+(unless xref
+(error "This article is not crossposted"))
 (while (string-match " \\([^ \t]+\\):" xref start)
 (setq start (match-end 0))
-(if (not (string=
+(when (not (string=
-		(setq group
+		  (setq group
-		      (substring xref (match-beginning 1) (match-end 1)))
+			(substring xref (match-beginning 1) (match-end 1)))
-		gnus-newsgroup-name))
+		  gnus-newsgroup-name))
-	  (gnus-summary-score-entry
+	(gnus-summary-score-entry
-	   "xref" (concat " " group ":") nil score date t)))))
+	 "xref" (concat " " group ":") nil score date t)))))
 ;;;
 ;;; Gnus Score Files
 ;;;
 (interactive "P")
 (setq score (gnus-score-default score))
 (when (gnus-buffer-live-p gnus-summary-buffer)
 (save-excursion
 (save-restriction
-	(goto-char (point-min))
+	(message-narrow-to-headers)
 	(let ((id (mail-fetch-field "message-id")))
 	  (when id
 	    (set-buffer gnus-summary-buffer)
 	    (gnus-summary-score-entry
 	     "references" (concat id "[ \t]*$") 'r
 (defun gnus-summary-raise-score (n)
 "Raise the score of the current article by N."
 (interactive "p")
 (gnus-set-global-variables)
 (gnus-summary-set-score (+ (gnus-summary-article-score)
 			     (or n gnus-score-interactive-default-score ))))
 (defun gnus-summary-set-score (n)
 "Set the score of the current article to N."
 (interactive "p")
 (let ((buffer-read-only nil))
 ;; Set score.
 (gnus-summary-update-mark
 (if (= n (or gnus-summary-default-score 0)) ?
 	 (if (< n (or gnus-summary-default-score 0))
-	     gnus-score-below-mark gnus-score-over-mark)) 'score))
+	     gnus-score-below-mark gnus-score-over-mark))
+'score))
 (let* ((article (gnus-summary-article-number))
 	   (score (assq article gnus-newsgroup-scored)))
 (if score (setcdr score n)
-	(setq gnus-newsgroup-scored
+	(push (cons article n) gnus-newsgroup-scored)))
-	      (cons (cons article n) gnus-newsgroup-scored))))
 (gnus-summary-update-line)))
 (defun gnus-summary-current-score ()
 "Return the score of the current article."
 (interactive)
 (defvar gnus-score-edit-exit-function)
 (defun gnus-score-edit-current-scores (file)
 "Edit the current score alist."
 (interactive (list gnus-current-score-file))
+(gnus-set-global-variables)
 (let ((winconf (current-window-configuration)))
-(and (buffer-name gnus-summary-buffer) (gnus-score-save))
+(when (buffer-name gnus-summary-buffer)
+(gnus-score-save))
 (gnus-make-directory (file-name-directory file))
 (setq gnus-score-edit-buffer (find-file-noselect file))
 (gnus-configure-windows 'edit-score)
 (gnus-score-mode)
 (setq gnus-score-edit-exit-function 'gnus-score-edit-done)
 (defun gnus-score-edit-file (file)
 "Edit a score file."
 (interactive
 (list (read-file-name "Edit score file: " gnus-kill-files-directory)))
 (gnus-make-directory (file-name-directory file))
-(and (buffer-name gnus-summary-buffer) (gnus-score-save))
+(when (buffer-name gnus-summary-buffer)
+(gnus-score-save))
 (let ((winconf (current-window-configuration)))
 (setq gnus-score-edit-buffer (find-file-noselect file))
 (gnus-configure-windows 'edit-score)
 (gnus-score-mode)
 (setq gnus-score-edit-exit-function 'gnus-score-edit-done)
 (defun gnus-score-load-file (file)
 ;; Load score file FILE.  Returns a list a retrieved score-alists.
 (let* ((file (expand-file-name
 		(or (and (string-match
 			  (concat "^" (expand-file-name
 				       gnus-kill-files-directory))
 			  (expand-file-name file))
 			 file)
 		    (concat (file-name-as-directory gnus-kill-files-directory)
 			    file))))
 	 (cached (assoc file gnus-score-cache))
 ;; We load the score file.
 (setq gnus-score-alist nil)
 (setq alist (gnus-score-load-score-alist file))
 ;; We add '(touched) to the alist to signify that it hasn't been
 ;; touched (yet).
-(or (assq 'touched alist) (setq alist (cons (list 'touched nil) alist)))
+(unless (assq 'touched alist)
+	(push (list 'touched nil) alist))
 ;; If it is a global score file, we make it read-only.
 (and global
 	   (not (assq 'read-only alist))
-	   (setq alist (cons (list 'read-only t) alist)))
+	   (push (list 'read-only t) alist))
-(setq gnus-score-cache
+(push (cons file alist) gnus-score-cache))
-	    (cons (cons file alist) gnus-score-cache)))
 (let ((a alist)
 	  found)
 (while a
 	;; Downcase all header names.
 	(when (stringp (caar a))
 	  (adapt (gnus-score-get 'adapt alist))
 	  (thread-mark-and-expunge
 	   (car (gnus-score-get 'thread-mark-and-expunge alist)))
 	  (adapt-file (car (gnus-score-get 'adapt-file alist)))
 	  (local (gnus-score-get 'local alist))
+	  (decay (car (gnus-score-get 'decay alist)))
 	  (eval (car (gnus-score-get 'eval alist))))
+;; Perform possible decays.
+(when (and gnus-decay-scores
+		 (gnus-decay-scores
+		  alist (or decay (gnus-time-to-day (current-time)))))
+	(gnus-score-set 'touched '(t) alist)
+	(gnus-score-set 'decay (list (gnus-time-to-day (current-time)))))
 ;; We do not respect eval and files atoms from global score
 ;; files.
 (and files (not global)
 	   (setq lists (apply 'append lists
 			      (mapcar (lambda (file)
 					(gnus-score-load-file file))
 				      (if adapt-file (cons adapt-file files)
 					files)))))
 (and eval (not global) (eval eval))
 ;; We then expand any exclude-file directives.
 (setq gnus-scores-exclude-files
 	    (nconc
 	     (mapcar
 	      (lambda (sfile)
 		(expand-file-name sfile (file-name-directory file)))
-	      exclude-files) gnus-scores-exclude-files))
+	      exclude-files)
+	     gnus-scores-exclude-files))
 (if (not local)
 	  ()
 	(save-excursion
 	  (set-buffer gnus-summary-buffer)
 	  (while local
 		 (symbolp (caar local))
 		 (progn
 		   (make-local-variable (caar local))
 		   (set (caar local) (nth 1 (car local)))))
 	    (setq local (cdr local)))))
-(if orphan (setq gnus-orphan-score orphan))
+(when orphan
+	(setq gnus-orphan-score orphan))
 (setq gnus-adaptive-score-alist
 	    (cond ((equal adapt '(t))
 		   (setq gnus-newsgroup-adaptive t)
 		   gnus-default-adaptive-score-alist)
 		  ((equal adapt '(ignore))
 (let ((cache (assoc file gnus-score-cache)))
 (if cache
 	(setq gnus-score-alist (cdr cache))
 (setq gnus-score-alist nil)
 (gnus-score-load-score-alist file)
-(or gnus-score-alist
+(unless gnus-score-alist
-	  (setq gnus-score-alist (copy-alist '((touched nil)))))
+	(setq gnus-score-alist (copy-alist '((touched nil)))))
-(setq gnus-score-cache
+(push (cons file gnus-score-alist) gnus-score-cache))))
-	    (cons (cons file gnus-score-alist) gnus-score-cache)))))
 (defun gnus-score-remove-from-cache (file)
 (setq gnus-score-cache
 	(delq (assoc file gnus-score-cache) gnus-score-cache)))
 (defun gnus-score-load-score-alist (file)
+"Read score FILE."
 (let (alist)
 (if (not (file-readable-p file))
+	;; Couldn't read file.
 	(setq gnus-score-alist nil)
+;; Read file.
 (save-excursion
 	(gnus-set-work-buffer)
 	(insert-file-contents file)
 	(goto-char (point-min))
 	;; Only do the loading if the score file isn't empty.
 	(when (save-excursion (re-search-forward "[()0-9a-zA-Z]" nil t))
 	  (setq alist
 		(condition-case ()
 		    (read (current-buffer))
 		  (error
-		   (progn
+		   (gnus-error 3.2 "Problem with score file %s" file))))))
-		     (gnus-message 3 "Problem with score file %s" file)
-		     (ding)
-		     (sit-for 2)
-		     nil))))))
 (if (eq (car alist) 'setq)
 	  ;; This is an old-style score file.
 	  (setq gnus-score-alist (gnus-score-transform-old-to-new alist))
 	(setq gnus-score-alist alist))
 ;; Check the syntax of the score file.
 	  (progn
 	    (ding)
 	    (gnus-message 3 err)
 	    (sit-for 2)
 	    nil)
 	alist)))))
 (defun gnus-score-transform-old-to-new (alist)
 (let* ((alist (nth 2 alist))
 	 out entry)
-(if (eq (car alist) 'quote)
+(when (eq (car alist) 'quote)
-	(setq alist (nth 1 alist)))
+(setq alist (nth 1 alist)))
 (while alist
 (setq entry (car alist))
 (if (stringp (car entry))
 	  (let ((scor (cdr entry)))
-	    (setq out (cons entry out))
+	    (push entry out)
 	    (while scor
 	      (setcar scor
 		      (list (caar scor) (nth 2 (car scor))
 			    (and (nth 3 (car scor))
 				 (gnus-day-number (nth 3 (car scor))))
 			    (if (nth 1 (car scor)) 'r 's)))
 	      (setq scor (cdr scor))))
-	(setq out (cons (if (not (listp (cdr entry)))
+	(push (if (not (listp (cdr entry)))
-			    (list (car entry) (cdr entry))
+		  (list (car entry) (cdr entry))
-			  entry)
+		entry)
-			out)))
+	      out))
 (setq alist (cdr alist)))
 (cons (list 'touched t) (nreverse out))))
 (defun gnus-score-save ()
 ;; Save all score information.
-(let ((cache gnus-score-cache))
+(let ((cache gnus-score-cache)
+	entry score file)
 (save-excursion
 (setq gnus-score-alist nil)
-(set-buffer (get-buffer-create "*Score*"))
+(nnheader-set-temp-buffer " *Gnus Scores*")
-(buffer-disable-undo (current-buffer))
+(while cache
-(let (entry score file)
+	(current-buffer)
-	(while cache
+	(setq entry (pop cache)
-	  (setq entry (car cache)
+	      file (car entry)
-		cache (cdr cache)
+	      score (cdr entry))
-		file (car entry)
+	(if (or (not (equal (gnus-score-get 'touched score) '(t)))
-		score (cdr entry))
+		(gnus-score-get 'read-only score)
-	  (if (or (not (equal (gnus-score-get 'touched score) '(t)))
+		(and (file-exists-p file)
-		  (gnus-score-get 'read-only score)
+		     (not (file-writable-p file))))
-		  (and (file-exists-p file)
+	    ()
-		       (not (file-writable-p file))))
+	  (setq score (setcdr entry (delq (assq 'touched score) score)))
-	      ()
+	  (erase-buffer)
-	    (setq score (setcdr entry (delq (assq 'touched score) score)))
+	  (let (emacs-lisp-mode-hook)
-	    (erase-buffer)
+	    (if (string-match
-	    (let (emacs-lisp-mode-hook)
+		 (concat (regexp-quote gnus-adaptive-file-suffix)
-	      (if (string-match
+			 "$")
-		   (concat (regexp-quote gnus-adaptive-file-suffix)
+		 file)
-			   "$") file)
+		;; This is an adaptive score file, so we do not run
-		  ;; This is an adaptive score file, so we do not run
+		;; it through `pp'.  These files can get huge, and
-		  ;; it through `pp'.  These files can get huge, and
+		;; are not meant to be edited by human hands.
-		  ;; are not meant to be edited by human hands.
+		(gnus-prin1 score)
-		  (prin1 score (current-buffer))
+	      ;; This is a normal score file, so we print it very
-		;; This is a normal score file, so we print it very
+	      ;; prettily.
-		;; prettily.
+	      (pp score (current-buffer))))
-		(pp score (current-buffer))))
+	  (gnus-make-directory (file-name-directory file))
-	    (if (not (gnus-make-directory (file-name-directory file)))
+	  ;; If the score file is empty, we delete it.
-		()
+	  (if (zerop (buffer-size))
-	      ;; If the score file is empty, we delete it.
+	      (delete-file file)
-	      (if (zerop (buffer-size))
+	    ;; There are scores, so we write the file.
-		  (delete-file file)
+	    (when (file-writable-p file)
-		;; There are scores, so we write the file.
+	      (gnus-write-buffer file)
-		(when (file-writable-p file)
+	      (when gnus-score-after-write-file-function
-		  (write-region (point-min) (point-max) file nil 'silent)
+		(funcall gnus-score-after-write-file-function file)))))
-		  (and gnus-score-after-write-file-function
+	(and gnus-score-uncacheable-files
-		       (funcall gnus-score-after-write-file-function file)))))
+	     (string-match gnus-score-uncacheable-files file)
-	    (and gnus-score-uncacheable-files
+	     (gnus-score-remove-from-cache file)))
-		 (string-match gnus-score-uncacheable-files file)
-		 (gnus-score-remove-from-cache file)))))
 (kill-buffer (current-buffer)))))
-(defun gnus-score-headers (score-files &optional trace)
+(defun gnus-score-load-files (score-files)
-;; Score `gnus-newsgroup-headers'.
+"Load all score files in SCORE-FILES."
-(let (scores news)
+;; Load the score files.
-;; PLM: probably this is not the best place to clear orphan-score
+(let (scores)
-(setq gnus-orphan-score nil)
-(setq gnus-scores-articles nil)
-(setq gnus-scores-exclude-files nil)
-;; Load the score files.
 (while score-files
 (if (stringp (car score-files))
 	  ;; It is a string, which means that it's a score file name,
 	  ;; so we load the score file and add the score alist to
 	  ;; the list of alists.
 	(while s
 	  (and (setq c (rassq (car s) gnus-score-cache))
 	       (member (car c) gnus-scores-exclude-files)
 	       (setq scores (delq (car s) scores)))
 	  (setq s (cdr s)))))
+scores))
+(defun gnus-score-headers (score-files &optional trace)
+;; Score `gnus-newsgroup-headers'.
+(let (scores news)
+;; PLM: probably this is not the best place to clear orphan-score
+(setq gnus-orphan-score nil
+	  gnus-scores-articles nil
+	  gnus-scores-exclude-files nil
+	  scores (gnus-score-load-files score-files))
 (setq news scores)
 ;; Do the scoring.
 (while news
 (setq scores news
 	    news nil)
 	  ;; Create articles, an alist of the form `(HEADER . SCORE)'.
 	  (while (setq header (pop headers))
 	    ;; WARNING: The assq makes the function O(N*S) while it could
 	    ;; be written as O(N+S), where N is (length gnus-newsgroup-headers)
 	    ;; and S is (length gnus-newsgroup-scored).
-	    (or (assq (mail-header-number header) gnus-newsgroup-scored)
+	    (unless (assq (mail-header-number header) gnus-newsgroup-scored)
-		(setq gnus-scores-articles ;Total of 2 * N cons-cells used.
+	      (setq gnus-scores-articles ;Total of 2 * N cons-cells used.
-		      (cons (cons header (or gnus-summary-default-score 0))
+		    (cons (cons header (or gnus-summary-default-score 0))
-			    gnus-scores-articles))))
+			  gnus-scores-articles))))
 	  (save-excursion
 	    (set-buffer (get-buffer-create "*Headers*"))
 	    (buffer-disable-undo (current-buffer))
 	    ;; Remove the buffer.
 	    (kill-buffer (current-buffer)))
 	  ;; Add articles to `gnus-newsgroup-scored'.
 	  (while gnus-scores-articles
-	    (or (= gnus-summary-default-score (cdar gnus-scores-articles))
+	    (when (or (/= gnus-summary-default-score
-		(setq gnus-newsgroup-scored
+			  (cdar gnus-scores-articles))
-		      (cons (cons (mail-header-number
+		      gnus-save-score)
-				   (caar gnus-scores-articles))
+	      (push (cons (mail-header-number (caar gnus-scores-articles))
-				  (cdar gnus-scores-articles))
+			  (cdar gnus-scores-articles))
-			    gnus-newsgroup-scored)))
+		    gnus-newsgroup-scored))
 	    (setq gnus-scores-articles (cdr gnus-scores-articles)))
+	  (let (score)
+	    (while (setq score (pop scores))
+	      (while score
+		(when (listp (caar score))
+		  (gnus-score-advanced (car score) trace))
+		(pop score))))
 	  (gnus-message 5 "Scoring...done"))))))
 (defun gnus-get-new-thread-ids (articles)
 (let ((index (nth 1 (assoc "message-id" gnus-header-index)))
 (while articles
 (setq art (car articles)
 this (aref (car art) index)
 tref (aref (car art) refind)
 articles (cdr articles))
-(if (string-equal tref "")        ;no references line
+(when (string-equal tref "")	;no references line
-(setq id-list (cons this id-list))))
+	(push this id-list)))
 id-list))
 ;; Orphan functions written by plm@atcmp.nl (Peter Mutsaers).
 (defun gnus-score-orphans (score)
 (let ((new-thread-ids (gnus-get-new-thread-ids gnus-scores-articles))
 (while articles
 (setq art (car articles)
 this (aref (car art) gnus-score-index)
 articles (cdr articles))
 ;;completely skip if this is empty (not a child, so not an orphan)
-(if (not (string= this ""))
+(when (not (string= this ""))
-(if (equal last this)
+	(if (equal last this)
-;; O(N*H) cons-cells used here, where H is the number of
+	    ;; O(N*H) cons-cells used here, where H is the number of
-;; headers.
+	    ;; headers.
-(setq alike (cons art alike))
+	    (push art alike)
-(if last
+	  (when last
-(progn
+	    ;; Insert the line, with a text property on the
-;; Insert the line, with a text property on the
+	    ;; terminating newline referring to the articles with
-;; terminating newline referring to the articles with
+	    ;; this line.
-;; this line.
+	    (insert last ?\n)
-(insert last ?\n)
+	    (put-text-property (1- (point)) (point) 'articles alike))
-(put-text-property (1- (point)) (point) 'articles alike)))
+	  (setq alike (list art)
-(setq alike (list art)
+		last this))))
-last this))))
+(when last				; Bwadr, duplicate code.
-(and last                           ; Bwadr, duplicate code.
+(insert last ?\n)
-(progn
+(put-text-property (1- (point)) (point) 'articles alike))
-(insert last ?\n)
-(put-text-property (1- (point)) (point) 'articles alike)))
 ;; PLM: now delete those lines that contain an entry from new-thread-ids
 (while new-thread-ids
 (setq this-id (car new-thread-ids)
 new-thread-ids (cdr new-thread-ids))
 (goto-char (point-min))
 (while (search-forward this-id nil t)
-;; found a match. remove this line
+;; found a match.  remove this line
 	(beginning-of-line)
 	(kill-line 1)))
 ;; now for each line: update its articles with score by moving to
 ;; every end-of-line in the buffer and read the articles property
 (while scores
 (setq alist (car scores)
 	    scores (cdr scores)
 	    entries (assoc header alist))
 (while (cdr entries)		;First entry is the header index.
 	(let* ((rest (cdr entries))
 	       (kill (car rest))
 	       (match (nth 0 kill))
 	       (type (or (nth 3 kill) '>))
 	       (score (or (nth 1 kill) gnus-score-interactive-default-score))
 	       (date (nth 2 kill))
 	  ;; `gnus-score-string' does to minimize searches and stuff,
 	  ;; I will assume that people generally will put so few
 	  ;; matches on numbers that any cleverness will take more
 	  ;; time than one would gain.
 	  (while articles
-	    (and (funcall match-func
+	    (when (funcall match-func
-			  (or (aref (caar articles) gnus-score-index) 0)
+			   (or (aref (caar articles) gnus-score-index) 0)
-			  match)
+			   match)
-		 (progn
+	      (when trace
-		   (and trace (setq gnus-score-trace
+		(push (cons (car-safe (rassq alist gnus-score-cache)) kill)
-				    (cons
+		      gnus-score-trace))
-				     (cons
+	      (setq found t)
-				      (car-safe (rassq alist gnus-score-cache))
+	      (setcdr (car articles) (+ score (cdar articles))))
-				      kill)
-				     gnus-score-trace)))
-		   (setq found t)
-		   (setcdr (car articles) (+ score (cdar articles)))))
 	    (setq articles (cdr articles)))
 	  ;; Update expire date
 	  (cond ((null date))		;Permanent entry.
 		((and found gnus-update-score-entry-dates) ;Match, update date.
 		 (gnus-score-set 'touched '(t) alist)
 	  (setq entries rest)))))
 nil)
 (defun gnus-score-date (scores header now expire &optional trace)
 (let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
-	entries alist)
+	entries alist match match-func article)
 ;; Find matches.
 (while scores
 (setq alist (car scores)
 	    scores (cdr scores)
 	    entries (assoc header alist))
 (while (cdr entries)		;First entry is the header index.
 	(let* ((rest (cdr entries))
 	       (kill (car rest))
-	       (match (timezone-make-date-sortable (nth 0 kill)))
 	       (type (or (nth 3 kill) 'before))
 	       (score (or (nth 1 kill) gnus-score-interactive-default-score))
 	       (date (nth 2 kill))
 	       (found nil)
-	       (match-func
-		(cond ((eq type 'after) 'string<)
-		      ((eq type 'before) 'gnus-string>)
-		      ((eq type 'at) 'string=)
-		      (t (error "Illegal match type: %s" type))))
 	       (articles gnus-scores-articles)
 	       l)
+	  (cond
+	   ((eq type 'after)
+	    (setq match-func 'string<
+		  match (gnus-date-iso8601 (nth 0 kill))))
+	   ((eq type 'before)
+	    (setq match-func 'gnus-string>
+		  match (gnus-date-iso8601 (nth 0 kill))))
+	   ((eq type 'at)
+	    (setq match-func 'string=
+		  match (gnus-date-iso8601 (nth 0 kill))))
+	   ((eq type 'regexp)
+	    (setq match-func 'string-match
+		  match (nth 0 kill)))
+	   (t (error "Illegal match type: %s" type)))
 	  ;; Instead of doing all the clever stuff that
 	  ;; `gnus-score-string' does to minimize searches and stuff,
 	  ;; I will assume that people generally will put so few
 	  ;; matches on numbers that any cleverness will take more
 	  ;; time than one would gain.
-	  (while articles
+	  (while (setq article (pop articles))
-	    (and
+	    (when (and
-	     (setq l (aref (caar articles) gnus-score-index))
+		   (setq l (aref (car article) gnus-score-index))
-	     (funcall match-func match (timezone-make-date-sortable l))
+		   (funcall match-func match (gnus-date-iso8601 l)))
-	     (progn
+	      (when trace
-	       (and trace (setq gnus-score-trace
+		(push (cons (car-safe (rassq alist gnus-score-cache)) kill)
-				(cons
+		      gnus-score-trace))
-				 (cons
+	      (setq found t)
-				  (car-safe (rassq alist gnus-score-cache))
+	      (setcdr article (+ score (cdr article)))))
-				  kill)
-				 gnus-score-trace)))
-	       (setq found t)
-	       (setcdr (car articles) (+ score (cdar articles)))))
-	    (setq articles (cdr articles)))
 	  ;; Update expire date
 	  (cond ((null date))		;Permanent entry.
 		((and found gnus-update-score-entry-dates) ;Match, update date.
 		 (gnus-score-set 'touched '(t) alist)
 		 (setcar (nthcdr 2 kill) now))
-		((and expire (< date expire))	;Old entry, remove.
+		((and expire (< date expire)) ;Old entry, remove.
 		 (gnus-score-set 'touched '(t) alist)
 		 (setcdr entries (cdr rest))
 		 (setq rest entries)))
 	  (setq entries rest)))))
 nil)
 (defun gnus-score-body (scores header now expire &optional trace)
 (save-excursion
-(set-buffer nntp-server-buffer)
 (setq gnus-scores-articles
 	  (sort gnus-scores-articles
 		(lambda (a1 a2)
 		  (< (mail-header-number (car a1))
 		     (mail-header-number (car a2))))))
+(set-buffer nntp-server-buffer)
 (save-restriction
 (let* ((buffer-read-only nil)
 	     (articles gnus-scores-articles)
 	     (all-scores scores)
 	     (request-func (cond ((string= "head" header)
 				 ((string= "body" header)
 				  'gnus-request-body)
 				 (t 'gnus-request-article)))
 	     entries alist ofunc article last)
 	(when articles
-	  (while (cdr articles)
+	  (setq last (mail-header-number (caar (last articles))))
-	    (setq articles (cdr articles)))
-	  (setq last (mail-header-number (caar articles)))
-	  (setq articles gnus-scores-articles)
 	  ;; Not all backends support partial fetching.  In that case,
 	  ;; we just fetch the entire article.
-	  (or (gnus-check-backend-function
+	  (unless (gnus-check-backend-function
-	       (and (string-match "^gnus-" (symbol-name request-func))
+		   (and (string-match "^gnus-" (symbol-name request-func))
-		    (intern (substring (symbol-name request-func)
+			(intern (substring (symbol-name request-func)
-				       (match-end 0))))
+					   (match-end 0))))
-	       gnus-newsgroup-name)
+		   gnus-newsgroup-name)
-	      (progn
+	    (setq ofunc request-func)
-		(setq ofunc request-func)
+	    (setq request-func 'gnus-request-article))
-		(setq request-func 'gnus-request-article)))
 	  (while articles
 	    (setq article (mail-header-number (caar articles)))
 	    (gnus-message 7 "Scoring on article %s of %s..." article last)
 	    (when (funcall request-func article gnus-newsgroup-name)
 	      (widen)
 	      (goto-char (point-min))
 	      ;; If just parts of the article is to be searched, but the
 	      ;; backend didn't support partial fetching, we just narrow
 	      ;; to the relevant parts.
-	      (if ofunc
+	      (when ofunc
-		  (if (eq ofunc 'gnus-request-head)
+		(if (eq ofunc 'gnus-request-head)
-		      (narrow-to-region
-		       (point)
-		       (or (search-forward "\n\n" nil t) (point-max)))
 		    (narrow-to-region
-		     (or (search-forward "\n\n" nil t) (point))
+		     (point)
-		     (point-max))))
+		     (or (search-forward "\n\n" nil t) (point-max)))
+		  (narrow-to-region
+		   (or (search-forward "\n\n" nil t) (point))
+		   (point-max))))
 	      (setq scores all-scores)
 	      ;; Find matches.
 	      (while scores
-		(setq alist (car scores)
+		(setq alist (pop scores)
-		      scores (cdr scores)
 		      entries (assoc header alist))
 		(while (cdr entries)	;First entry is the header index.
 		  (let* ((rest (cdr entries))
 			 (kill (car rest))
 			 (match (nth 0 kill))
 			 (type (or (nth 3 kill) 's))
 			 (score (or (nth 1 kill)
 				    gnus-score-interactive-default-score))
 			 (date (nth 2 kill))
 			 (found nil)
 			 (case-fold-search
 			  (not (or (eq type 'R) (eq type 'S)
 				     (eq type 'string) (eq type 'String))
 				 'search-forward)
 				(t
 				 (error "Illegal match type: %s" type)))))
 		    (goto-char (point-min))
-		    (if (funcall search-func match nil t)
+		    (when (funcall search-func match nil t)
-			;; Found a match, update scores.
+		      ;; Found a match, update scores.
-			(progn
+		      (setcdr (car articles) (+ score (cdar articles)))
-			  (setcdr (car articles) (+ score (cdar articles)))
+		      (setq found t)
-			  (setq found t)
+		      (when trace
-			  (and trace (setq gnus-score-trace
+			(push
-					   (cons
+			 (cons (car-safe (rassq alist gnus-score-cache)) kill)
-					    (cons
+			 gnus-score-trace)))
-					     (car-safe
-					      (rassq alist gnus-score-cache))
-					     kill)
-					    gnus-score-trace)))))
 		    ;; Update expire date
-		    (cond
+		    (unless trace
-		     ((null date))	;Permanent entry.
+		      (cond
-		     ((and found gnus-update-score-entry-dates) ;Match, update date.
+		       ((null date))	;Permanent entry.
-		      (gnus-score-set 'touched '(t) alist)
+		       ((and found gnus-update-score-entry-dates)
-		      (setcar (nthcdr 2 kill) now))
+			;; Match, update date.
-		     ((and expire (< date expire)) ;Old entry, remove.
+			(gnus-score-set 'touched '(t) alist)
-		      (gnus-score-set 'touched '(t) alist)
+			(setcar (nthcdr 2 kill) now))
-		      (setcdr entries (cdr rest))
+		       ((and expire (< date expire)) ;Old entry, remove.
-		      (setq rest entries)))
+			(gnus-score-set 'touched '(t) alist)
+			(setcdr entries (cdr rest))
+			(setq rest entries))))
 		    (setq entries rest)))))
 	    (setq articles (cdr articles)))))))
 nil)
+(defun gnus-score-thread (scores header now expire &optional trace)
+(gnus-score-followup scores header now expire trace t))
 (defun gnus-score-followup (scores header now expire &optional trace thread)
 ;; Insert the unique article headers in the buffer.
 (let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
 	(current-score-file gnus-current-score-file)
 (while articles
 (setq art (car articles)
 	    this (aref (car art) gnus-score-index)
 	    articles (cdr articles))
 (if (equal last this)
-	  (setq alike (cons art alike))
+	  (push art alike)
-	(if last
+	(when last
-	    (progn
+	  (insert last ?\n)
-	      (insert last ?\n)
+	  (put-text-property (1- (point)) (point) 'articles alike))
-	      (put-text-property (1- (point)) (point) 'articles alike)))
 	(setq alike (list art)
 	      last this)))
-(and last				; Bwadr, duplicate code.
+(when last				; Bwadr, duplicate code.
-	 (progn
+(insert last ?\n)
-	   (insert last ?\n)
+(put-text-property (1- (point)) (point) 'articles alike))
-	   (put-text-property (1- (point)) (point) 'articles alike)))
 ;; Find matches.
 (while scores
 (setq alist (car scores)
 	    scores (cdr scores)
 	    entries (assoc header alist))
 (while (cdr entries)		;First entry is the header index.
 	(let* ((rest (cdr entries))
 	       (kill (car rest))
 	       (match (nth 0 kill))
 	       (type (or (nth 3 kill) 's))
 	       (score (or (nth 1 kill) gnus-score-interactive-default-score))
 	       (date (nth 2 kill))
 	  ;; Update expire date
 	  (cond ((null date))		;Permanent entry.
 		((and found gnus-update-score-entry-dates) ;Match, update date.
 		 (gnus-score-set 'touched '(t) alist)
 		 (setcar (nthcdr 2 kill) now))
-		((and expire (< date expire))	;Old entry, remove.
+		((and expire (< date expire)) ;Old entry, remove.
 		 (gnus-score-set 'touched '(t) alist)
 		 (setcdr entries (cdr rest))
 		 (setq rest entries)))
 	  (setq entries rest))))
 ;; We change the score file back to the previous one.
 ;; than EXPIRE.
 ;; Insert the unique article headers in the buffer.
 (let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
 	;; gnus-score-index is used as a free variable.
-	alike last this art entries alist articles scores fuzzy)
+	alike last this art entries alist articles
+	fuzzies arts words kill)
 ;; Sorting the articles costs os O(N*log N) but will allow us to
 ;; only match with each unique header.  Thus the actual matching
 ;; will be O(M*U) where M is the number of strings to match with,
 ;; and U is the number of unique headers.  It is assumed (but
 ;; factor involved with string matching.
 (setq gnus-scores-articles (sort gnus-scores-articles 'gnus-score-string<)
 	  articles gnus-scores-articles)
 (erase-buffer)
-(while articles
+(while (setq art (pop articles))
-(setq art (car articles)
+(setq this (aref (car art) gnus-score-index))
-	    this (aref (car art) gnus-score-index)
-	    articles (cdr articles))
 (if (equal last this)
 	  ;; O(N*H) cons-cells used here, where H is the number of
 	  ;; headers.
-	  (setq alike (cons art alike))
+	  (push art alike)
-	(if last
+	(when last
-	    (progn
+	  ;; Insert the line, with a text property on the
-	      ;; Insert the line, with a text property on the
+	  ;; terminating newline referring to the articles with
-	      ;; terminating newline referring to the articles with
+	  ;; this line.
-	      ;; this line.
+	  (insert last ?\n)
-	      (insert last ?\n)
+	  (put-text-property (1- (point)) (point) 'articles alike))
-	      (put-text-property (1- (point)) (point) 'articles alike)))
 	(setq alike (list art)
 	      last this)))
-(and last				; Bwadr, duplicate code.
+(when last				; Bwadr, duplicate code.
-	 (progn
+(insert last ?\n)
-	   (insert last ?\n)
+(put-text-property (1- (point)) (point) 'articles alike))
-	   (put-text-property (1- (point)) (point) 'articles alike)))
+;; Go through all the score alists and pick out the entries
-;; Find ordinary matches.
+;; for this header.
-(setq scores score-list)
+(while score-list
-(while scores
+(setq alist (pop score-list)
-(setq alist (car scores)
+	    ;; There's only one instance of this header for
-	    scores (cdr scores)
+	    ;; each score alist.
 	    entries (assoc header alist))
 (while (cdr entries)		;First entry is the header index.
-	(let* ((rest (cdr entries))
+	(let* ((kill (cadr entries))
-	       (kill (car rest))
 	       (match (nth 0 kill))
 	       (type (or (nth 3 kill) 's))
 	       (score (or (nth 1 kill) gnus-score-interactive-default-score))
 	       (date (nth 2 kill))
 	       (found nil)
 	       (mt (aref (symbol-name type) 0))
-	       (case-fold-search
+	       (case-fold-search (not (memq mt '(?R ?S ?E ?F))))
-		(not (or (= mt ?R) (= mt ?S) (= mt ?E) (= mt ?F))))
 	       (dmt (downcase mt))
 	       (search-func
 		(cond ((= dmt ?r) 're-search-forward)
 		      ((or (= dmt ?e) (= dmt ?s) (= dmt ?f)) 'search-forward)
-		      (t (error "Illegal match type: %s" type))))
+		      ((= dmt ?w) nil)
-	       arts art)
+		      (t (error "Illegal match type: %s" type)))))
-	  (if (= dmt ?f)
+	  (cond
-	      (setq fuzzy t)
+	   ;; Fuzzy matches.  We save these for later.
-	    ;; Do non-fuzzy matching.
+	   ((= dmt ?f)
+	    (push (cons entries alist) fuzzies))
+	   ;; Word matches.  Save these for even later.
+	   ((= dmt ?w)
+	    (push (cons entries alist) words))
+	   ;; Exact matches.
+	   ((= dmt ?e)
+	    ;; Do exact matching.
 	    (goto-char (point-min))
-	    (if (= dmt ?e)
+	    (while (and (not (eobp))
-		;; Do exact matching.
+			(funcall search-func match nil t))
-		(while (and (not (eobp))
+	      ;; Is it really exact?
-			    (funcall search-func match nil t))
+	      (and (eolp)
-		  (and (= (progn (beginning-of-line) (point))
+		   (= (gnus-point-at-bol) (match-beginning 0))
-			  (match-beginning 0))
+		   ;; Yup.
-		       (= (progn (end-of-line) (point))
+		   (progn
-			  (match-end 0))
+		     (setq found (setq arts (get-text-property
-		       (progn
+					     (point) 'articles)))
-			 (setq found (setq arts (get-text-property
+		     ;; Found a match, update scores.
-						 (point) 'articles)))
+		     (if trace
-			 ;; Found a match, update scores.
+			 (while (setq art (pop arts))
-			 (if trace
+			   (setcdr art (+ score (cdr art)))
-			     (while arts
+			   (push
-			       (setq art (car arts)
+			    (cons
-				     arts (cdr arts))
+			     (car-safe (rassq alist gnus-score-cache))
-			       (setcdr art (+ score (cdr art)))
+			     kill)
-			       (setq gnus-score-trace
+			    gnus-score-trace))
-				     (cons
+		       (while (setq art (pop arts))
-				      (cons
+			 (setcdr art (+ score (cdr art)))))))
-				       (car-safe
+	      (forward-line 1)))
-					(rassq alist gnus-score-cache))
+	   ;; Regexp and substring matching.
-				       kill)
+	   (t
-				      gnus-score-trace)))
+	    (goto-char (point-min))
-			   (while arts
+	    (when (string= match "")
-			     (setq art (car arts)
+	      (setq match "\n"))
-				   arts (cdr arts))
+	    (while (and (not (eobp))
-			     (setcdr art (+ score (cdr art)))))))
+			(funcall search-func match nil t))
-		  (forward-line 1))
+	      (goto-char (match-beginning 0))
-	      ;; Do regexp and substring matching.
+	      (end-of-line)
-	      (and (string= match "") (setq match "\n"))
+	      (setq found (setq arts (get-text-property (point) 'articles)))
-	      (while (and (not (eobp))
+	      ;; Found a match, update scores.
-			  (funcall search-func match nil t))
+	      (if trace
-		(goto-char (match-beginning 0))
+		  (while (setq art (pop arts))
-		(end-of-line)
+		    (setcdr art (+ score (cdr art)))
-		(setq found (setq arts (get-text-property (point) 'articles)))
+		    (push (cons (car-safe (rassq alist gnus-score-cache)) kill)
+			  gnus-score-trace))
+		(while (setq art (pop arts))
+		  (setcdr art (+ score (cdr art)))))
+	      (forward-line 1))))
+	  ;; Update expiry date
+	  (if trace
+	      (setq entries (cdr entries))
+	    (cond
+	     ;; Permanent entry.
+	     ((null date)
+	      (setq entries (cdr entries)))
+	     ;; We have a match, so we update the date.
+	     ((and found gnus-update-score-entry-dates)
+	      (gnus-score-set 'touched '(t) alist)
+	      (setcar (nthcdr 2 kill) now)
+	      (setq entries (cdr entries)))
+	     ;; This entry has expired, so we remove it.
+	     ((and expire (< date expire))
+	      (gnus-score-set 'touched '(t) alist)
+	      (setcdr entries (cddr entries)))
+	     ;; No match; go to next entry.
+	     (t
+	      (setq entries (cdr entries))))))))
+;; Find fuzzy matches.
+(when fuzzies
+;; Simplify the entire buffer for easy matching.
+(gnus-simplify-buffer-fuzzy)
+(while (setq kill (cadaar fuzzies))
+	(let* ((match (nth 0 kill))
+	       (type (nth 3 kill))
+	       (score (or (nth 1 kill) gnus-score-interactive-default-score))
+	       (date (nth 2 kill))
+	       (mt (aref (symbol-name type) 0))
+	       (case-fold-search (not (= mt ?F)))
+	       found)
+	  (goto-char (point-min))
+	  (while (and (not (eobp))
+		      (search-forward match nil t))
+	    (when (and (= (gnus-point-at-bol) (match-beginning 0))
+		       (eolp))
+	      (setq found (setq arts (get-text-property (point) 'articles)))
+	      (if trace
+		  (while (setq art (pop arts))
+		    (setcdr art (+ score (cdr art)))
+		    (push (cons
+			   (car-safe (rassq (cdar fuzzies) gnus-score-cache))
+			   kill)
+			  gnus-score-trace))
 		;; Found a match, update scores.
-		(if trace
+		(while (setq art (pop arts))
-		    (while arts
+		  (setcdr art (+ score (cdr art))))))
-		      (setq art (pop arts))
+	    (forward-line 1))
-		      (setcdr art (+ score (cdr art)))
+	  ;; Update expiry date
-		      (push (cons
+	  (cond
-			      (car-safe (rassq alist gnus-score-cache))
+	   ;; Permanent.
-			      kill)
+	   ((null date)
-			    gnus-score-trace))
+	    )
-		  (while arts
+	   ;; Match, update date.
-		    (setq art (pop arts))
+	   ((and found gnus-update-score-entry-dates)
-		    (setcdr art (+ score (cdr art)))))
+	    (gnus-score-set 'touched '(t) (cdar fuzzies))
-		(forward-line 1)))
+	    (setcar (nthcdr 2 kill) now))
-	    ;; Update expire date
+	   ;; Old entry, remove.
-	    (cond
+	   ((and expire (< date expire))
-	     ((null date))		;Permanent entry.
+	    (gnus-score-set 'touched '(t) (cdar fuzzies))
-	     ((and found gnus-update-score-entry-dates) ;Match, update date.
+	    (setcdr (caar fuzzies) (cddaar fuzzies))))
-	      (gnus-score-set 'touched '(t) alist)
+	  (setq fuzzies (cdr fuzzies)))))
+(when words
+;; Enter all words into the hashtb.
+(let ((hashtb (gnus-make-hashtable
+		     (* 10 (count-lines (point-min) (point-max))))))
+	(gnus-enter-score-words-into-hashtb hashtb)
+	(while (setq kill (cadaar words))
+	  (let* ((score (or (nth 1 kill) gnus-score-interactive-default-score))
+		 (date (nth 2 kill))
+		 found)
+	    (when (setq arts (intern-soft (nth 0 kill) hashtb))
+	      (setq arts (symbol-value arts))
+	      (setq found t)
+	      (if trace
+		  (while (setq art (pop arts))
+		    (setcdr art (+ score (cdr art)))
+		    (push (cons
+			   (car-safe (rassq (cdar words) gnus-score-cache))
+			   kill)
+			  gnus-score-trace))
+		;; Found a match, update scores.
+		(while (setq art (pop arts))
+		  (setcdr art (+ score (cdr art))))))
+	    ;; Update expiry date
+	    (cond
+	     ;; Permanent.
+	     ((null date)
+	      )
+	     ;; Match, update date.
+	     ((and found gnus-update-score-entry-dates)
+	      (gnus-score-set 'touched '(t) (cdar words))
 	      (setcar (nthcdr 2 kill) now))
-	     ((and expire (< date expire)) ;Old entry, remove.
+	     ;; Old entry, remove.
-	      (gnus-score-set 'touched '(t) alist)
+	     ((and expire (< date expire))
-	      (setcdr entries (cdr rest))
+	      (gnus-score-set 'touched '(t) (cdar words))
-	      (setq rest entries))))
+	      (setcdr (caar words) (cddaar words))))
-	  (setq entries rest))))
+	    (setq words (cdr words))))))
+nil))
-;; Find fuzzy matches.
-(when fuzzy
+(defun gnus-enter-score-words-into-hashtb (hashtb)
-(setq scores score-list)
+;; Find all the words in the buffer and enter them into
-(gnus-simplify-buffer-fuzzy)
+;; the hashtable.
-(while scores
+(let ((syntab (syntax-table))
-	(setq alist (car scores)
+	word val)
-	      scores (cdr scores)
+(goto-char (point-min))
-	      entries (assoc header alist))
+(unwind-protect
-	(while (cdr entries)		;First entry is the header index.
+	(progn
-	  (let* ((rest (cdr entries))
+	  (set-syntax-table gnus-adaptive-word-syntax-table)
-		 (kill (car rest))
+	  (while (re-search-forward "\\b\\w+\\b" nil t)
-		 (match (nth 0 kill))
+	    (setq val
-		 (type (or (nth 3 kill) 's))
+		  (gnus-gethash
-		 (score (or (nth 1 kill) gnus-score-interactive-default-score))
+		   (setq word (downcase (buffer-substring
-		 (date (nth 2 kill))
+					 (match-beginning 0) (match-end 0))))
-		 (found nil)
+		   hashtb))
-		 (mt (aref (symbol-name type) 0))
+	    (gnus-sethash
-		 (case-fold-search (not (= mt ?F)))
+	     word
-		 (dmt (downcase mt))
+	     (append (get-text-property (gnus-point-at-eol) 'articles) val)
-		 arts art)
+	     hashtb)))
-	    (when (= dmt ?f)
+(set-syntax-table syntab))
-	      (goto-char (point-min))
+;; Make all the ignorable words ignored.
-	      (while (and (not (eobp))
+(let ((ignored (append gnus-ignored-adaptive-words
-			  (search-forward match nil t))
+			   gnus-default-ignored-adaptive-words)))
-		(when (and (= (progn (beginning-of-line) (point))
+(while ignored
-			      (match-beginning 0))
+	(gnus-sethash (pop ignored) nil hashtb)))))
-			   (= (progn (end-of-line) (point))
-			      (match-end 0)))
-		  (setq found (setq arts (get-text-property
-					  (point) 'articles)))
-		  ;; Found a match, update scores.
-		  (if trace
-		      (while arts
-			(setq art (pop arts))
-			(setcdr art (+ score (cdr art)))
-			(push (cons
-			       (car-safe (rassq alist gnus-score-cache))
-			       kill)
-			      gnus-score-trace))
-		    (while arts
-		      (setq art (pop arts))
-		      (setcdr art (+ score (cdr art))))))
-		(forward-line 1))
-	      ;; Update expire date
-	      (unless trace
-		(cond
-		 ((null date))		;Permanent entry.
-		 ((and found gnus-update-score-entry-dates) ;Match, update date.
-		  (gnus-score-set 'touched '(t) alist)
-		  (setcar (nthcdr 2 kill) now))
-		 ((and expire (< date expire)) ;Old entry, remove.
-		  (gnus-score-set 'touched '(t) alist)
-		  (setcdr entries (cdr rest))
-		  (setq rest entries)))))
-	    (setq entries rest))))))
-nil)
 (defun gnus-score-string< (a1 a2)
 ;; Compare headers in articles A2 and A2.
 ;; The header index used is the free variable `gnus-score-index'.
 (string-lessp (aref (car a1) gnus-score-index)
 		(aref (car a2) gnus-score-index)))
-(defun gnus-score-build-cons (article)
-;; Build a `gnus-newsgroup-scored' type cons from ARTICLE.
-(cons (mail-header-number (car article)) (cdr article)))
 (defun gnus-current-score-file-nondirectory (&optional score-file)
 (let ((score-file (or score-file gnus-current-score-file)))
 (if score-file
 	(gnus-short-group-name (file-name-nondirectory score-file))
 "none")))
 (defun gnus-score-adaptive ()
-(save-excursion
+"Create adaptive score rules for this newsgroup."
-(let* ((malist (gnus-copy-sequence gnus-adaptive-score-alist))
+(when gnus-use-adaptive-scoring
-	   (alist malist)
+;; We change the score file to the adaptive score file.
-	   (date (current-time-string))
+(save-excursion
-	   (data gnus-newsgroup-data)
+(set-buffer gnus-summary-buffer)
-	   elem headers match)
+(gnus-score-load-file
-;; First we transform the adaptive rule alist into something
+(or gnus-newsgroup-adaptive-score-file
-;; that's faster to process.
+	   (gnus-score-file-name
-(while malist
+	    gnus-newsgroup-name gnus-adaptive-file-suffix))))
-	(setq elem (car malist))
+;; Perform ordinary line scoring.
-	(if (symbolp (car elem))
+(when (or (not (listp gnus-use-adaptive-scoring))
-	    (setcar elem (symbol-value (car elem))))
+	      (memq 'line gnus-use-adaptive-scoring))
-	(setq elem (cdr elem))
-	(while elem
-	  (setcdr (car elem)
-		  (cons (if (eq (caar elem) 'followup)
-			    "references"
-			  (symbol-name (caar elem)))
-			(cdar elem)))
-	  (setcar (car elem)
-		  `(lambda (h)
-		     (,(intern
-			(concat "mail-header-"
-				(if (eq (caar elem) 'followup)
-				    "message-id"
-				  (downcase (symbol-name (caar elem))))))
-		      h)))
-	  (setq elem (cdr elem)))
-	(setq malist (cdr malist)))
-;; We change the score file to the adaptive score file.
 (save-excursion
-	(set-buffer gnus-summary-buffer)
+	(let* ((malist (gnus-copy-sequence gnus-adaptive-score-alist))
-	(gnus-score-load-file
+	       (alist malist)
-	 (or gnus-newsgroup-adaptive-score-file
+	       (date (current-time-string))
-	     (gnus-score-file-name
+	       (data gnus-newsgroup-data)
-	      gnus-newsgroup-name gnus-adaptive-file-suffix))))
+	       elem headers match)
-;; The we score away.
+	  ;; First we transform the adaptive rule alist into something
-(while data
+	  ;; that's faster to process.
-	(setq elem (cdr (assq (gnus-data-mark (car data)) alist)))
+	  (while malist
-	(if (or (not elem)
+	    (setq elem (car malist))
-		(gnus-data-pseudo-p (car data)))
+	    (when (symbolp (car elem))
-	    ()
+	      (setcar elem (symbol-value (car elem))))
-	  (when (setq headers (gnus-data-header (car data)))
+	    (setq elem (cdr elem))
 	    (while elem
-	      (setq match (funcall (caar elem) headers))
+	      (setcdr (car elem)
-	      (gnus-summary-score-entry
+		      (cons (if (eq (caar elem) 'followup)
-	       (nth 1 (car elem)) match
+				"references"
-	       (cond
+			      (symbol-name (caar elem)))
-		((numberp match)
+			    (cdar elem)))
-		 '=)
+	      (setcar (car elem)
-		((equal (nth 1 (car elem)) "date")
+		      `(lambda (h)
-		 'a)
+			 (,(intern
-		(t
+			    (concat "mail-header-"
-		 ;; Whether we use substring or exact matches are controlled
+				    (if (eq (caar elem) 'followup)
-		 ;; here.
+					"message-id"
-		 (if (or (not gnus-score-exact-adapt-limit)
+				      (downcase (symbol-name (caar elem))))))
-			 (< (length match) gnus-score-exact-adapt-limit))
+			  h)))
-		     'e
+	      (setq elem (cdr elem)))
-		   (if (equal (nth 1 (car elem)) "subject")
+	    (setq malist (cdr malist)))
-		       'f 's))))
+	  ;; Then we score away.
-	       (nth 2 (car elem)) date nil t)
+	  (while data
-	      (setq elem (cdr elem)))))
+	    (setq elem (cdr (assq (gnus-data-mark (car data)) alist)))
-	(setq data (cdr data))))))
+	    (if (or (not elem)
+		    (gnus-data-pseudo-p (car data)))
+		()
+	      (when (setq headers (gnus-data-header (car data)))
+		(while elem
+		  (setq match (funcall (caar elem) headers))
+		  (gnus-summary-score-entry
+		   (nth 1 (car elem)) match
+		   (cond
+		    ((numberp match)
+		     '=)
+		    ((equal (nth 1 (car elem)) "date")
+		     'a)
+		    (t
+		     ;; Whether we use substring or exact matches is
+		     ;; controlled here.
+		     (if (or (not gnus-score-exact-adapt-limit)
+			     (< (length match) gnus-score-exact-adapt-limit))
+			 'e
+		       (if (equal (nth 1 (car elem)) "subject")
+			   'f 's))))
+		   (nth 2 (car elem)) date nil t)
+		  (setq elem (cdr elem)))))
+	    (setq data (cdr data))))))
+;; Perform adaptive word scoring.
+(when (and (listp gnus-use-adaptive-scoring)
+	       (memq 'word gnus-use-adaptive-scoring))
+(nnheader-temp-write nil
+	(let* ((hashtb (gnus-make-hashtable 1000))
+	       (date (gnus-day-number (current-time-string)))
+	       (data gnus-newsgroup-data)
+	       (syntab (syntax-table))
+	       word d score val)
+	  (unwind-protect
+	      (progn
+		(set-syntax-table gnus-adaptive-word-syntax-table)
+		;; Go through all articles.
+		(while (setq d (pop data))
+		  (when (and
+			 (not (gnus-data-pseudo-p d))
+			 (setq score
+			       (cdr (assq
+				     (gnus-data-mark d)
+				     gnus-adaptive-word-score-alist))))
+		    ;; This article has a mark that should lead to
+		    ;; adaptive word rules, so we insert the subject
+		    ;; and find all words in that string.
+		    (insert (mail-header-subject (gnus-data-header d)))
+		    (downcase-region (point-min) (point-max))
+		    (goto-char (point-min))
+		    (while (re-search-forward "\\b\\w+\\b" nil t)
+		      ;; Put the word and score into the hashtb.
+		      (setq val (gnus-gethash (setq word (match-string 0))
+					      hashtb))
+		      (gnus-sethash word (+ (or val 0) score) hashtb))
+		    (erase-buffer))))
+	    (set-syntax-table syntab))
+	  ;; Make all the ignorable words ignored.
+	  (let ((ignored (append gnus-ignored-adaptive-words
+				 gnus-default-ignored-adaptive-words)))
+	    (while ignored
+	      (gnus-sethash (pop ignored) nil hashtb)))
+	  ;; Now we have all the words and scores, so we
+	  ;; add these rules to the ADAPT file.
+	  (set-buffer gnus-summary-buffer)
+	  (mapatoms
+	   (lambda (word)
+	     (when (symbol-value word)
+	       (gnus-summary-score-entry
+		"subject" (symbol-name word) 'w (symbol-value word)
+		date nil t)))
+	   hashtb))))))
 (defun gnus-score-edit-done ()
 (let ((bufnam (buffer-file-name (current-buffer)))
 	(winconf gnus-prev-winconf))
-(and winconf (set-window-configuration winconf))
+(when winconf
+(set-window-configuration winconf))
 (gnus-score-remove-from-cache bufnam)
 (gnus-score-load-file bufnam)))
 (defun gnus-score-find-trace ()
 "Find all score rules that applies to the current article."
 (interactive)
 (let ((gnus-newsgroup-headers
 	 (list (gnus-summary-article-header)))
 	(gnus-newsgroup-scored nil)
-	(buf (current-buffer))
 	trace)
-(when (get-buffer "*Gnus Scores*")
+(save-excursion
-(save-excursion
+(nnheader-set-temp-buffer "*Score Trace*"))
-	(set-buffer "*Gnus Scores*")
-	(erase-buffer)))
 (setq gnus-score-trace nil)
 (gnus-possibly-score-headers 'trace)
 (if (not (setq trace gnus-score-trace))
 	(gnus-error 1 "No score rules apply to the current article.")
-(pop-to-buffer "*Gnus Scores*")
+(set-buffer "*Score Trace*")
 (gnus-add-current-to-buffer-list)
-(erase-buffer)
 (while trace
 	(insert (format "%S  ->  %s\n" (cdar trace)
 			(file-name-nondirectory (caar trace))))
 	(setq trace (cdr trace)))
 (goto-char (point-min))
-(pop-to-buffer buf))))
+(gnus-configure-windows 'score-trace))))
+(defun gnus-score-find-favourite-words ()
+"List words used in scoring."
+(interactive)
+(let ((alists (gnus-score-load-files (gnus-all-score-files)))
+	alist rule rules kill)
+;; Go through all the score alists for this group
+;; and find all `w' rules.
+(while (setq alist (pop alists))
+(while (setq rule (pop alist))
+	(when (and (stringp (car rule))
+		   (equal "subject" (downcase (pop rule))))
+	  (while (setq kill (pop rule))
+	    (when (memq (nth 3 kill) '(w W word Word))
+	      (push (cons (or (nth 1 kill)
+			      gnus-score-interactive-default-score)
+			  (car kill))
+		    rules))))))
+(setq rules (sort rules (lambda (r1 r2)
+			      (string-lessp (cdr r1) (cdr r2)))))
+;; Add up words that have appeared several times.
+(let ((r rules))
+(while (cdr r)
+	(if (equal (cdar r) (cdadr r))
+	    (progn
+	      (setcar (car r) (+ (caar r) (caadr r)))
+	      (setcdr r (cddr r)))
+	  (pop r))))
+;; Insert the words.
+(nnheader-set-temp-buffer "*Score Words*")
+(if (not (setq rules (sort rules (lambda (r1 r2) (> (car r1) (car r2))))))
+	(gnus-error 3 "No word score rules")
+(while rules
+	(insert (format "%-5d: %s\n" (caar rules) (cdar rules)))
+	(pop rules))
+(gnus-add-current-to-buffer-list)
+(goto-char (point-min))
+(gnus-configure-windows 'score-words))))
 (defun gnus-summary-rescore ()
 "Redo the entire scoring process in the current summary."
 (interactive)
 (gnus-score-save)
 (while (gnus-summary-find-subject subject)
 (gnus-summary-raise-score score))
 (gnus-summary-next-subject 1 t)))
 (defun gnus-score-default (level)
 (if level (prefix-numeric-value level)
 gnus-score-interactive-default-score))
 (defun gnus-summary-raise-thread (&optional score)
 "Raise the score of the articles in the current thread with SCORE."
 (interactive "P")
 	  (gnus-summary-goto-subject (car articles))
 	  (gnus-summary-raise-score score)
 	  (setq articles (cdr articles))))
 (setq e (point)))
 (let ((gnus-summary-check-current t))
-(or (zerop (gnus-summary-next-subject 1 t))
+(unless (zerop (gnus-summary-next-subject 1 t))
-	  (goto-char e))))
+	(goto-char e))))
 (gnus-summary-recenter)
 (gnus-summary-position-point)
 (gnus-set-mode-line 'summary))
 (defun gnus-summary-lower-same-subject-and-select (score)
 ;;; Finding score files.
 (defun gnus-score-score-files (group)
 "Return a list of all possible score files."
 ;; Search and set any global score files.
-(and gnus-global-score-files
+(when gnus-global-score-files
-(or gnus-internal-global-score-files
+(unless gnus-internal-global-score-files
-	   (gnus-score-search-global-directories gnus-global-score-files)))
+(gnus-score-search-global-directories gnus-global-score-files)))
 ;; Fix the kill-file dir variable.
 (setq gnus-kill-files-directory
 	(file-name-as-directory gnus-kill-files-directory))
 ;; If we can't read it, there are no score files.
 (if (not (file-exists-p (expand-file-name gnus-kill-files-directory)))
 		      (gnus-score-file-regexp)))))))
 (cdr gnus-score-file-list)))
 (defun gnus-score-score-files-1 (dir)
 "Return all possible score files under DIR."
-(let ((files (directory-files (expand-file-name dir) t nil t))
+(let ((files (list (expand-file-name dir)))
 	(regexp (gnus-score-file-regexp))
-	out file)
+	(case-fold-search nil)
+	seen out file)
 (while (setq file (pop files))
 (cond
 ;; Ignore "." and "..".
 ((member (file-name-nondirectory file) '("." ".."))
 	nil)
-;; Recurse down directories.
+;; Add subtrees of directory to also be searched.
-((file-directory-p file)
+((and (file-directory-p file)
-	(setq out (nconc (gnus-score-score-files-1 file) out)))
+	     (not (member (file-truename file) seen)))
+	(push (file-truename file) seen)
+	(setq files (nconc (directory-files file t nil t) files)))
 ;; Add files to the list of score files.
 ((string-match regexp file)
 	(push file out))))
 (or out
 	;; Return a dummy value.
 	(erase-buffer)
 	(insert (car sfiles))
 	(goto-char (point-min))
 	;; First remove the suffix itself.
 	(when (re-search-forward (concat "." score-regexp) nil t)
 	  (replace-match "" t t)
 	  (goto-char (point-min))
 	  (if (looking-at (regexp-quote kill-dir))
 	      ;; If the file name was just "SCORE", `klen' is one character
 	      ;; too much.
 	      (delete-char (min (1- (point-max)) klen))
 	  (goto-char (point-min))
 	  (let ((regexp (concat
 			 "[/:" (if trans (char-to-string trans) "") "]")))
 	    (while (re-search-forward regexp nil t)
 	      (replace-match "." t t)))
-	  ;; Cludge to get rid of "nntp+" problems.
+	  ;; Kludge to get rid of "nntp+" problems.
 	  (goto-char (point-min))
-	  (and (looking-at "nn[a-z]+\\+")
+	  (when (looking-at "nn[a-z]+\\+")
-	       (progn
+	    (search-forward "+")
-		 (search-forward "+")
+	    (forward-char -1)
-		 (forward-char -1)
+	    (insert "\\")
-		 (insert "\\")))
+	    (forward-char 1))
 	  ;; Kludge to deal with "++".
-	  (goto-char (point-min))
+	  (while (search-forward "+" nil t)
-	  (while (search-forward "++" nil t)
+	    (replace-match "\\+" t t))
-	    (replace-match "\\+\\+" t t))
 	  ;; Translate "all" to ".*".
 	  (goto-char (point-min))
 	  (while (search-forward "all" nil t)
 	    (replace-match ".*" t t))
 	  (goto-char (point-min))
 	  ;; Deal with "not."s.
 	  (if (looking-at "not.")
 	      (progn
 		(setq not-match t)
-		(setq regexp (buffer-substring 5 (point-max))))
+		(setq regexp (concat "^" (buffer-substring 5 (point-max)))))
-	    (setq regexp (buffer-substring 1 (point-max)))
+	    (setq regexp (concat "^" (buffer-substring 1 (point-max))))
 	    (setq not-match nil))
 	  ;; Finally - if this resulting regexp matches the group name,
 	  ;; we add this score file to the list of score files
 	  ;; applicable to this group.
-	  (if (or (and not-match
+	  (when (or (and not-match
-		       (not (string-match regexp group)))
+			 (not (string-match regexp group)))
-		  (and (not not-match)
+		    (and (not not-match)
-		       (string-match regexp group)))
+			 (string-match regexp group)))
-	      (setq ofiles (cons (car sfiles) ofiles))))
+	    (push (car sfiles) ofiles)))
 	(setq sfiles (cdr sfiles)))
 (kill-buffer (current-buffer))
 ;; Slight kludge here - the last score file returned should be
-;; the local score file, whether it exists or not. This is so
+;; the local score file, whether it exists or not.  This is so
 ;; that any score commands the user enters will go to the right
 ;; file, and not end up in some global score file.
 (let ((localscore (gnus-score-file-name group)))
 	(setq ofiles (cons localscore (delete localscore ofiles))))
-(nreverse ofiles))))
+(gnus-sort-score-files (nreverse ofiles)))))
 (defun gnus-score-find-single (group)
 "Return list containing the score file for GROUP."
 (list (or gnus-newsgroup-adaptive-score-file
 	    (gnus-score-file-name group gnus-adaptive-file-suffix))
 	(gnus-score-file-name group)))
 (defun gnus-score-find-hierarchical (group)
 "Return list of score files for GROUP.
 This includes the score file for the group and all its parents."
-(let ((all (copy-sequence '(nil)))
+(let* ((prefix (gnus-group-real-prefix group))
-	(start 0))
+	 (all (list nil))
+	 (group (gnus-group-real-name group))
+	 (start 0))
 (while (string-match "\\." group (1+ start))
 (setq start (match-beginning 0))
-(setq all (cons (substring group 0 start) all)))
+(push (substring group 0 start) all))
-(setq all (cons group all))
+(push group all)
-(nconc
+(setq all
-(mapcar (lambda (newsgroup)
+	  (nconc
-	       (gnus-score-file-name newsgroup gnus-adaptive-file-suffix))
+	   (mapcar (lambda (group)
-	     (setq all (nreverse all)))
+		     (gnus-score-file-name group gnus-adaptive-file-suffix))
-(mapcar 'gnus-score-file-name all))))
+		   (setq all (nreverse all)))
+	   (mapcar 'gnus-score-file-name all)))
+(if (equal prefix "")
+	all
+(mapcar
+(lambda (file)
+	 (concat (file-name-directory file) prefix
+		 (file-name-nondirectory file)))
+all))))
+(defun gnus-score-file-rank (file)
+"Return a number that says how specific score FILE is.
+Destroys the current buffer."
+(if (member file gnus-internal-global-score-files)
+0
+(when (string-match
+	   (concat "^" (regexp-quote
+			(expand-file-name
+			 (file-name-as-directory gnus-kill-files-directory))))
+	   file)
+(setq file (substring file (match-end 0))))
+(insert file)
+(goto-char (point-min))
+(let ((beg (point))
+	  elems)
+(while (re-search-forward "[./]" nil t)
+	(push (buffer-substring beg (1- (point)))
+	      elems))
+(erase-buffer)
+(setq elems (delete "all" elems))
+(length elems))))
+(defun gnus-sort-score-files (files)
+"Sort FILES so that the most general files come first."
+(nnheader-temp-write nil
+(let ((alist
+	   (mapcar
+	    (lambda (file)
+	      (cons (inline (gnus-score-file-rank file)) file))
+	    files)))
+(mapcar
+(lambda (f) (cdr f))
+(sort alist (lambda (f1 f2) (< (car f1) (car f2))))))))
 (defun gnus-score-find-alist (group)
 "Return list of score files for GROUP.
 The list is determined from the variable gnus-score-file-alist."
 (let ((alist gnus-score-file-multiple-match-alist)
 ;; if this group has been seen before, return the cached entry
 (if (setq score-files (assoc group gnus-score-file-alist-cache))
 	(cdr score-files)		;ensures caching groups with no matches
 ;; handle the multiple match alist
 (while alist
-	(and (string-match (caar alist) group)
+	(when (string-match (caar alist) group)
-	     (setq score-files
+	  (setq score-files
-		   (nconc score-files (copy-sequence (cdar alist)))))
+		(nconc score-files (copy-sequence (cdar alist)))))
 	(setq alist (cdr alist)))
 (setq alist gnus-score-file-single-match-alist)
 ;; handle the single match alist
 (while alist
-	(and (string-match (caar alist) group)
+	(when (string-match (caar alist) group)
-	     ;; progn used just in case ("regexp") has no files
+	  ;; progn used just in case ("regexp") has no files
-	     ;; and score-files is still nil. -sj
+	  ;; and score-files is still nil.  -sj
-	     ;; this can be construed as a "stop searching here" feature :>
+	  ;; this can be construed as a "stop searching here" feature :>
-	     ;; and used to simplify regexps in the single-alist
+	  ;; and used to simplify regexps in the single-alist
-	     (progn
+	  (setq score-files
-	       (setq score-files
+		(nconc score-files (copy-sequence (cdar alist))))
-		     (nconc score-files (copy-sequence (cdar alist))))
+	  (setq alist nil))
-	       (setq alist nil)))
 	(setq alist (cdr alist)))
 ;; cache the score files
-(setq gnus-score-file-alist-cache
+(push (cons group score-files) gnus-score-file-alist-cache)
-	    (cons (cons group score-files) gnus-score-file-alist-cache))
 score-files)))
-(defun gnus-possibly-score-headers (&optional trace)
+(defun gnus-all-score-files (&optional group)
+"Return a list of all score files for the current group."
 (let ((funcs gnus-score-find-score-files-function)
+	(group (or group gnus-newsgroup-name))
 	score-files)
 ;; Make sure funcs is a list.
 (and funcs
 	 (not (listp funcs))
 	 (setq funcs (list funcs)))
 ;; Get the initial score files for this group.
 (when funcs
-(setq score-files (gnus-score-find-alist gnus-newsgroup-name)))
+(setq score-files (nreverse (gnus-score-find-alist group))))
+;; Add any home adapt files.
+(let ((home (gnus-home-score-file group t)))
+(when home
+	(push home score-files)
+	(setq gnus-newsgroup-adaptive-score-file home)))
+;; Check whether there is a `adapt-file' group parameter.
+(let ((param-file (gnus-group-find-parameter group 'adapt-file)))
+(when param-file
+	(push param-file score-files)
+	(setq gnus-newsgroup-adaptive-score-file param-file)))
 ;; Go through all the functions for finding score files (or actual
 ;; scores) and add them to a list.
 (while funcs
 (when (gnus-functionp (car funcs))
 	(setq score-files
-	      (nconc score-files (funcall (car funcs) gnus-newsgroup-name))))
+	      (nconc score-files (nreverse (funcall (car funcs) group)))))
 (setq funcs (cdr funcs)))
+;; Add any home score files.
+(let ((home (gnus-home-score-file group)))
+(when home
+	(push home score-files)))
 ;; Check whether there is a `score-file' group parameter.
-(let ((param-file (gnus-group-get-parameter
+(let ((param-file (gnus-group-find-parameter group 'score-file)))
-		       gnus-newsgroup-name 'score-file)))
 (when param-file
 	(push param-file score-files)))
+;; Expand all files names.
+(let ((files score-files))
+(while files
+	(when (stringp (car files))
+	  (setcar files (expand-file-name
+			 (car files) gnus-kill-files-directory)))
+	(pop files)))
+(setq score-files (nreverse score-files))
+;; Remove any duplicate score files.
+(while (and score-files
+		(member (car score-files) (cdr score-files)))
+(pop score-files))
+(let ((files score-files))
+(while (cdr files)
+	(when (member (cadr files) (cddr files))
+	  (setcdr files (cddr files)))
+	(pop files)))
 ;; Do the scoring if there are any score files for this group.
+score-files))
+(defun gnus-possibly-score-headers (&optional trace)
+"Do scoring if scoring is required."
+(let ((score-files (gnus-all-score-files)))
 (when score-files
 (gnus-score-headers score-files trace))))
 (defun gnus-score-file-name (newsgroup &optional suffix)
 "Return the name of a score file for NEWSGROUP."
 (while files
 (if (string-match "/$" (car files))
 	  (setq out (nconc (directory-files
 			    (car files) t
 			    (concat (gnus-score-file-regexp) "$"))))
-	(setq out (cons (car files) out)))
+	(push (car files) out))
 (setq files (cdr files)))
 (setq gnus-internal-global-score-files out)))
 (defun gnus-score-default-fold-toggle ()
 "Toggle folding for new score file entries."
 (setq gnus-score-default-fold (not gnus-score-default-fold))
 (if gnus-score-default-fold
 (gnus-message 1 "New score file entries will be case insensitive.")
 (gnus-message 1 "New score file entries will be case sensitive.")))
+;;; Home score file.
+(defun gnus-home-score-file (group &optional adapt)
+"Return the home score file for GROUP.
+If ADAPT, return the home adaptive file instead."
+(let ((list (if adapt gnus-home-adapt-file gnus-home-score-file))
+	elem found)
+;; Make sure we have a list.
+(unless (listp list)
+(setq list (list list)))
+;; Go through the list and look for matches.
+(while (and (not found)
+		(setq elem (pop list)))
+(setq found
+	    (cond
+	     ;; Simple string.
+	     ((stringp elem)
+	      elem)
+	     ;; Function.
+	     ((gnus-functionp elem)
+	      (funcall elem group))
+	     ;; Regexp-file cons
+	     ((consp elem)
+	      (when (string-match (car elem) group)
+		(cadr elem))))))
+(when found
+(nnheader-concat gnus-kill-files-directory found))))
+(defun gnus-hierarchial-home-score-file (group)
+"Return the score file of the top-level hierarchy of GROUP."
+(if (string-match "^[^.]+\\." group)
+(concat (match-string 0 group) gnus-score-file-suffix)
+;; Group name without any dots.
+(concat group "." gnus-score-file-suffix)))
+(defun gnus-hierarchial-home-adapt-file (group)
+"Return the adapt file of the top-level hierarchy of GROUP."
+(if (string-match "^[^.]+\\." group)
+(concat (match-string 0 group) gnus-adaptive-file-suffix)
+;; Group name without any dots.
+(concat group "." gnus-adaptive-file-suffix)))
+;;;
+;;; Score decays
+;;;
+(defun gnus-decay-score (score)
+"Decay SCORE."
+(floor
+(- score
+(* (if (< score 0) 1 -1)
+	 (min score
+	      (max gnus-score-decay-constant
+		   (* (abs score)
+		      gnus-score-decay-scale)))))))
+(defun gnus-decay-scores (alist day)
+"Decay non-permanent scores in ALIST."
+(let ((times (- (gnus-time-to-day (current-time)) day))
+	kill entry updated score n)
+(unless (zerop times)		;Done decays today already?
+(while (setq entry (pop alist))
+	(when (stringp (car entry))
+	  (setq entry (cdr entry))
+	  (while (setq kill (pop entry))
+	    (when (nth 2 kill)
+	      (setq updated t)
+	      (setq score (or (car kill) gnus-score-interactive-default-score)
+		    n times)
+	      (while (natnump (decf n))
+		(setq score (funcall gnus-decay-score-function score)))
+	      (setcar kill score))))))
+;; Return whether this score file needs to be saved.  By Je-haysuss!
+updated))
 (provide 'gnus-score)
 ;;; gnus-score.el ends here

Mercurial > hg > xemacs-beta

comparison lisp/gnus/gnus-score.el @ 98:0d2f883870bc r20-1b1