Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From af959703381f2c216624eff7795f59156b05c2a0 Mon Sep 17 00:00:00 2001
|From: Hai Nguyen <hhai2105@gmail.com>
|Date: Wed, 19 Jan 2022 04:38:20 -0500
|Subject: [PATCH] implement keychord using array and pointer instead of heap
| allocation
|
|---
| config.def.h | 63 +++++++++++++++++++++++----------------------
| dwm.c        | 72 ++++++++++++++++++++++++++++++++++++++++------------
| 2 files changed, 88 insertions(+), 47 deletions(-)
|
|diff --git a/config.def.h b/config.def.h
|index a2ac963..7cc8ddd 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 45 (offset -1 lines).
Hunk #2 succeeded at 59 (offset -1 lines).
Hunk #3 succeeded at 94 (offset -1 lines).
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 a96f33c..f9777bd 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 102.
Hunk #2 succeeded at 272 (offset -1 lines).
Hunk #3 succeeded at 957 (offset -3 lines).
Hunk #4 succeeded at 995 (offset -1 lines).
Hmm...  Ignoring the trailing garbage.
done