Support scoring on article age interactively in Gnus

* lisp/gnus/gnus-score.el (gnus-summary-score-entry): Support
scoring on article age in interactive scoring (bug#43270).

diff --git a/lisp/gnus/gnus-score.el b/lisp/gnus/gnus-score.el
index 6a0e8ceb99869eb63dc47c8d34aa1c53667e6315..ffc6b8ca34e2b1714f540372da7a91555a093d8c 100644 (file)
--- a/lisp/gnus/gnus-score.el
+++ b/lisp/gnus/gnus-score.el
@@ -862,6 +862,18 @@ If optional argument `EXTRA' is non-nil, it's a non-standard overview header."
            (setq match (string-to-number match)))
       (set-text-properties 0 (length match) nil match))
 
+    ;; Modify match and type for article age scoring.
+    (if (string= "date" (nth 0 (assoc header gnus-header-index)))
+       (let ((age (string-to-number match)))
+         (if (or (< age 0)
+                 (string= "0" match))
+             (user-error "Article age must be a positive number"))
+         (setq match age
+               type (cond ((eq type 'after)
+                           '<)
+                          ((eq type 'before)
+                           '>)))))
+
     (unless (eq date 'now)
       ;; Add the score entry to the score file.
       (when (= score gnus-score-interactive-default-score)