1 files changed, 11 insertions, 12 deletions

diff --git a/.gnus b/.gnus
index c2f3e87..18873aa 100644
--- a/.gnus
+++ b/.gnus
@@ -42,18 +42,17 @@
                                     (t
                                      . "%F"))
       gnus-gcc-mark-as-read t
-      ;; 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"
-                                               "sv" "Sv" "SV"
-                                               (seq "bug#" (+ digit))
-                                               (seq "[" (+ word) "]"))
-                                           (? (* space) (? ":") (* space)))))
+      ;; This regexp is used both in Gnus summary buffers to detect
+      ;; and elide similar subjects in a thread, and by message mode
+      ;; when replying, to determine what to strip from the subject.
+      message-subject-re-regexp
+      (rx bol (+ (* space)
+                 (or "re" "Re" "RE"
+                     "aw" "Aw" "AW"
+                     "sv" "Sv" "SV"
+                     (seq "bug#" (+ digit))
+                     "[External]")
+                 (* space) ":" (* space))))
 
 (gnus-add-configuration
  '(summary