Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up a/config.def.h b/config.def.h
|--- a/config.def.h	2022-10-04 19:38:18.000000000 +0200
|+++ b/config.def.h	2023-05-06 22:19:27.298742237 +0200
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 5.
Hunk #2 succeeded at 27.
Hunk #3 succeeded at 79.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up a/dwm.c b/dwm.c
|--- a/dwm.c	2022-10-04 19:38:18.000000000 +0200
|+++ b/dwm.c	2023-05-06 22:18:43.239357744 +0200
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 93.
Hunk #2 succeeded at 138.
Hunk #3 succeeded at 214.
Hunk #4 succeeded at 291.
Hunk #5 succeeded at 304.
Hunk #6 succeeded at 1011.
Hunk #7 succeeded at 1709.
done