Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 5e489a57cdce6517996df26808b58bdd32bbd99f Mon Sep 17 00:00:00 2001
|From: howoz <howoz@airmail.cc>
|Date: Sun, 21 Nov 2021 16:23:04 +0300
|Subject: [PATCH] [dwm][patches][tab] i3 like tabs that cover the whole screen
| width
|
|---
| config.def.h |   9 +++
| dwm.1        |  33 ++++++++---
| dwm.c        | 160 +++++++++++++++++++++++++++++++++++++++++++++++----
| 3 files changed, 183 insertions(+), 19 deletions(-)
|
|diff --git a/config.def.h b/config.def.h
|index a2ac963..931d7ae 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 5.
Hunk #2 succeeded at 72.
Hunk #3 succeeded at 120.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/dwm.1 b/dwm.1
|index ddc8321..7752444 100644
|--- a/dwm.1
|+++ b/dwm.1
--------------------------
Patching file dwm.1 using Plan A...
Hunk #1 succeeded at 20.
Hunk #2 succeeded at 52.
Hunk #3 succeeded at 119.
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 5e4d494..8404747 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 64.
Hunk #2 succeeded at 111.
Hunk #3 succeeded at 177.
Hunk #4 succeeded at 216.
Hunk #5 succeeded at 251.
Hunk #6 succeeded at 404.
Hunk #7 succeeded at 456.
Hunk #8 succeeded at 481.
Hunk #9 succeeded at 537.
Hunk #10 succeeded at 670.
Hunk #11 succeeded at 787.
Hunk #12 succeeded at 862.
Hunk #13 succeeded at 891.
Hunk #14 succeeded at 944.
Hunk #15 succeeded at 1335.
Hunk #16 succeeded at 1456.
Hunk #17 succeeded at 1651.
Hunk #18 succeeded at 1813.
Hunk #19 succeeded at 1935.
Hunk #20 succeeded at 1947.
Hunk #21 succeeded at 2210.
Hmm...  Ignoring the trailing garbage.
done