Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 6800ba5aa83502012f6a51a00534edacaee7820f Mon Sep 17 00:00:00 2001
|From: Jakub Skowron <jakubskowron676@gmail.com>
|Date: Tue, 24 Jun 2025 14:46:46 +0200
|Subject: [PATCH] remove borders on unfocused windows
|
|This patch completely removes borders on all windows that are not
|focused and adds them back in once they are (e.g. once hovered over).
|---
| dwm.c | 9 ++++++++-
| 1 file changed, 8 insertions(+), 1 deletion(-)
|
|diff --git a/dwm.c b/dwm.c
|index 1443802..7b2bc88 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 801 (offset 1 line).
Hunk #2 succeeded at 1772 (offset 1 line).
Hmm...  Ignoring the trailing garbage.
done