Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 18fc7793b0bb2f9a93d39fe69a72d40122e151eb Mon Sep 17 00:00:00 2001
|From: "Avi Halachmi (:avih)" <avihpit@yahoo.com>
|Date: Mon, 15 Oct 2018 01:06:01 +0300
|Subject: [PATCH] add visual bell with few rendering modes
|
|- Inverse the whole terminal - "standard" visual-bell, a bit jarring.
|- Inverse outer (border) cells - much less jarring, yet plenty visible.
|- Inverse the bottom-right corner only.
|- Inverse cells according to custom logic.
|---
| config.def.h |  8 ++++++++
| x.c          | 35 +++++++++++++++++++++++++++++++++++
| 2 files changed, 43 insertions(+)
|
|diff --git a/config.def.h b/config.def.h
|index fdbacfd..fe07204 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 69.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/x.c b/x.c
|index 1dc44d6..44d5a8d 100644
|--- a/x.c
|+++ b/x.c
--------------------------
Patching file x.c using Plan A...
Hunk #1 succeeded at 1592.
Hunk #2 succeeded at 1634.
Hunk #3 succeeded at 1737.
Hunk #4 succeeded at 1984.
Hmm...  Ignoring the trailing garbage.
done