Make summary buffers less noisy

By recognizing more "reply-cruft".

From a cursory glance at Emacs sources, the capture groups in the
default value are not used, so I see no need to preserve them.

1 files changed, 12 insertions, 1 deletions

diff --git a/.gnus b/.gnus
index ecf0bde..bc0d5e7 100644
--- a/.gnus
+++ b/.gnus
@@ -40,7 +40,18 @@
                                     ((gnus-seconds-year)
                                      . "%b %d")
                                     (t
-                                     . "%F")))
+                                     . "%F"))
+      ;; Add to the list of reply prefixes:
+      ;; - AW
+      ;; - no-break spaces
+      ;; - bug#NNN
+      ;; - [External]
+      message-subject-re-regexp (rx bol (+ (* space)
+                                           (or "re" "Re" "RE"
+                                               "aw" "Aw" "AW"
+                                               (seq "bug#" (+ digit))
+                                               (seq "[" (+ word) "]"))
+                                           (? (* space) ":" (* space)))))
 
 (let* ((initials (mapconcat (lambda (s) (substring s 0 1))
                             (split-string user-full-name)