Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up dwm-6.6-orig/config.def.h dwm-6.6-flyschemes/config.def.h
|--- dwm-6.6-orig/config.def.h	2025-12-18 12:11:49.852471883 +0300
|+++ dwm-6.6-flyschemes/config.def.h	2025-12-21 16:55:25.337197189 +0300
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 7.
Hunk #2 succeeded at 106.
Hunk #3 succeeded at 131.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up dwm-6.6-orig/dwm.1 dwm-6.6-flyschemes/dwm.1
|--- dwm-6.6-orig/dwm.1	2025-12-18 12:11:49.852471883 +0300
|+++ dwm-6.6-flyschemes/dwm.1	2025-12-21 11:59:37.963510226 +0300
--------------------------
Patching file dwm.1 using Plan A...
Hunk #1 succeeded at 113.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -up dwm-6.6-orig/dwm.c dwm-6.6-flyschemes/dwm.c
|--- dwm-6.6-orig/dwm.c	2025-12-18 12:11:49.852471883 +0300
|+++ dwm-6.6-flyschemes/dwm.c	2025-12-21 16:54:13.313862415 +0300
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 141.
Hunk #2 succeeded at 236.
Hunk #3 succeeded at 488.
Hunk #4 succeeded at 1586.
Hunk #5 succeeded at 2142.
done