Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 5b45f88e87c772f7bc18c86f4de7ab3bac8c39c9 Mon Sep 17 00:00:00 2001
|From: Jared <7060603@hotmail.ca>
|Date: Fri, 26 Feb 2021 02:59:07 -0500
|Subject: [PATCH] rainbowtags: Unique ClrScheme for each tag when selected
|
|Allow selected tags to be unique colours. tagselfg contains the foreground
|colors, and tagselbg contains the background colors. 
|---
| config.def.h |  3 +++
| dwm.c        | 11 ++++++++++-
| 2 files changed, 13 insertions(+), 1 deletion(-)
|
|diff --git a/config.def.h b/config.def.h
|index 7054c06..0abf2f5 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 19.
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 0362114..53d7ead 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 273.
Hunk #2 succeeded at 720.
Hunk #3 succeeded at 1588.
Hmm...  Ignoring the trailing garbage.
done