Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- dwm-6.8/dwm.c	2026-01-30 02:19:28.660280483 -0800
|+++ dwm-6.8-attachbottom/dwm.c	2026-05-29 15:33:49.595818574 -0700
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 146.
Hunk #2 succeeded at 409.
Hunk #3 succeeded at 1084.
Hunk #4 succeeded at 1437.
Hunk #5 succeeded at 1925.
done