Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -pu dwm.git/config.def.h dwm.programtags+hidewithvacanttags/config.def.h
|--- dwm.git/config.def.h	2021-02-27 20:04:32.030570909 -0600
|+++ dwm.programtags+hidewithvacanttags/config.def.h	2021-03-15 16:32:37.586956549 -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:
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|diff -pu dwm.git/dwm.c dwm.programtags+hidewithvacanttags/dwm.c
|--- dwm.git/dwm.c	2021-02-27 20:04:32.030570909 -0600
|+++ dwm.programtags+hidewithvacanttags/dwm.c	2021-03-15 16:32:23.693639390 -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 419 (offset -1 lines).
Hunk #4 succeeded at 434 (offset -1 lines).
Hunk #5 succeeded at 708 (offset -1 lines).
Hunk #6 succeeded at 718 with fuzz 1 (offset -1 lines).
done