Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From f00572701a18f17650f193a708f419814c87f408 Mon Sep 17 00:00:00 2001
|From: thatlittlegit <personal@thatlittlegit.tk>
|Date: Fri, 19 Jun 2020 22:04:25 -0400
|Subject: [PATCH] Don't quit unless all windows are closed
|
|This patch is the second version. Changes:
|
|  * add an override via Ctrl-Mod-Shift-Q
|  * remove a useless malloc(3) call
|
|The w1, w2, and children variables unfortunately don't seem removable,
|since XQueryTree would segfault.
|---
| config.def.h |  8 +++++++-
| dwm.c        | 17 +++++++++++++++++
| 2 files changed, 24 insertions(+), 1 deletion(-)
|
|diff --git a/config.def.h b/config.def.h
|index 1c0b587..c7b8e16 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 93.
Hunk #2 succeeded at 114.
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 664c527..85ee948 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 214.
Hunk #2 succeeded at 1750.
Hmm...  Ignoring the trailing garbage.
done