Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 9c4b3f40e07dd1d6dd94fa733b7853aff7f4b8fc Mon Sep 17 00:00:00 2001
|From: Raheman Vaiya <r.vaiya@gmail.com>
|Date: Sat, 16 Jan 2021 18:18:07 -0500
|Subject: [PATCH] Add proper OSC 10/11 support.
|
|---
| config.def.h |  9 ++++++---
| st.c         | 30 ++++++++++++++++++++++++++++++
| st.h         |  1 +
| 3 files changed, 37 insertions(+), 3 deletions(-)
|
|diff --git a/config.def.h b/config.def.h
|index 6f05dce..9bb22a5 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 120.
Hunk #2 succeeded at 129.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/st.c b/st.c
|index abbbe4b..6a57d89 100644
|--- a/st.c
|+++ b/st.c
--------------------------
Patching file st.c using Plan A...
Hunk #1 succeeded at 1877.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/st.h b/st.h
|index 3d351b6..054366d 100644
|--- a/st.h
|+++ b/st.h
--------------------------
Patching file st.h using Plan A...
Hunk #1 succeeded at 123.
Hmm...  Ignoring the trailing garbage.
done