From 3ce629634a2c5e11690abbc5d1a9fc4811e459c3 Mon Sep 17 00:00:00 2001
From: Robert Pluim <rpluim@gmail.com>
Date: Fri, 18 Nov 2022 16:02:32 +0100
Subject: [PATCH] Silence rmailsum byte compiler warnings

* lisp/mail/rmailsum.el (rmail-summary-by-thread): Prefix unused
lambda args with '_'.
---
 lisp/mail/rmailsum.el | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lisp/mail/rmailsum.el b/lisp/mail/rmailsum.el
index 08c544bc999..b30c32aaffd 100644
--- a/lisp/mail/rmailsum.el
+++ b/lisp/mail/rmailsum.el
@@ -437,10 +437,11 @@ headers of the messages."
 			 (list 'rmail-summary-by-thread msgnum)
 			 (if (and rmail-summary-progressively-narrow
 				  (rmail-summary--exists-1))
-			     (lambda (msg msgnum)
+			     (lambda (msg _msgnum)
 			       (and (aref rmail-summary-currently-displayed-msgs msg)
 				    (aref enc-msgs msg)))
-			   (lambda (msg msgnum) (aref enc-msgs msg)))
+			   (lambda (msg _msgnum)
+                             (aref enc-msgs msg)))
 			 msgnum))))
 
 ;;;###autoload
-- 
2.39.5