Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From dd804ef1b7a545092ecec7268c679f34f77ff76d Mon Sep 17 00:00:00 2001
|From: Jakub Skowron <jakubskowron676@gmail.com>
|Date: Wed, 25 Jun 2025 18:08:44 +0200
|Subject: [PATCH] Remove boxes on tags and floating window title
|
|This patch completely removes those small rectangles on active and
|inactive tags as well as the rectangle that appears when a window
|is in the floating layout.
|---
| dwm.c | 8 --------
| 1 file changed, 8 deletions(-)
|
|diff --git a/dwm.c b/dwm.c
|index 1443802..08b3767 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 699 (offset 1 line).
Hunk #2 succeeded at 722 (offset 1 line).
Hunk #3 succeeded at 732 (offset 1 line).
Hmm...  Ignoring the trailing garbage.
done