Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -pu dwm.git/config.def.h dwm.programtags/config.def.h
|--- dwm.git/config.def.h	2021-02-27 20:04:32.030570909 -0600
|+++ dwm.programtags/config.def.h	2021-03-15 16:24:23.620864957 -0500
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 21.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -pu dwm.git/dwm.c dwm.programtags/dwm.c
|--- dwm.git/dwm.c	2021-02-27 20:04:32.030570909 -0600
|+++ dwm.programtags/dwm.c	2021-03-15 16:30:13.580457535 -0500
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 20.
Hunk #2 succeeded at 272 (offset -1 lines).
Hunk #3 succeeded at 435 (offset -1 lines).
Hunk #4 succeeded at 703 (offset -1 lines).
Hunk #5 succeeded at 713 with fuzz 1 (offset -1 lines).
done