Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From ef85b0473590615fda4ba4b20a717e42c99e3f99 Mon Sep 17 00:00:00 2001
|From: Stanisław Bitner <sbitner420@tutanota.com>
|Date: Tue, 9 Aug 2022 23:17:47 +0200
|Subject: [PATCH] toggleborder
|
|This patch allows you to toggle client border. It works by setting the
|border of the client to 0 or to borderpx defined in configuration file.
|---
| config.def.h | 1 +
| dwm.c        | 8 ++++++++
| 2 files changed, 9 insertions(+)
|
|diff --git a/config.def.h b/config.def.h
|index a2ac963..60b811f 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 65.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/dwm.c b/dwm.c
|index 967c9e8..91d00f6 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 211 with fuzz 2.
Hunk #2 succeeded at 1712 (offset 4 lines).
Hmm...  Ignoring the trailing garbage.
done