Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 713fa8650f5a20006451ebcccf57a4512e83bae8 Mon Sep 17 00:00:00 2001
|From: Arda Atci <arda@phytech.io>
|Date: Wed, 18 May 2022 17:23:16 +0300
|Subject: [PATCH] preserve clients on old tags when renewing dwm
|
|By default, when dwm is recompiled-restarted all clients will
|lose it's current tag and collapse to first tag. This patch preserves
|clients on old tags, however note that layout order is not preserved.
|
|---
| dwm.c | 38 +++++++++++++++++++++++++++++++++++++-
| 1 file changed, 37 insertions(+), 1 deletion(-)
|
|diff --git a/dwm.c b/dwm.c
|index a96f33c..a12e0bd 100644
|--- a/dwm.c
|+++ b/dwm.c
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 62.
Hunk #2 succeeded at 198.
Hunk #3 succeeded at 1061.
Hunk #4 succeeded at 1444.
Hunk #5 succeeded at 1588.
Hunk #6 succeeded at 1612.
Hunk #7 succeeded at 1680.
Hunk #8 succeeded at 1770.
Hmm...  Ignoring the trailing garbage.
done