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	2023-01-13 15:14:16.536118429 +0100
|+++ b/config.def.h	2023-01-13 15:21:25.946360539 +0100
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 78.
Hunk #2 succeeded at 108.
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	2023-01-13 15:14:16.536118429 +0100
|+++ b/dwm.c	2023-01-13 15:14:41.094075080 +0100
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 75.
Hunk #2 succeeded at 189.
Hunk #3 succeeded at 1141.
done