Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 322592b399d54febf3a87a673b73678363dff1e0 Mon Sep 17 00:00:00 2001
|From: jose-isac <joseisac@tutamail.com>
|Date: Sun, 27 Apr 2025 14:20:37 -0300
|Subject: [PATCH] Habamax color scheme
|
|Habamax, made by Maxim Kim, is one of Vim's default color schemes.
|---
| config.def.h | 42 +++++++++++++++++++++---------------------
| 1 file changed, 21 insertions(+), 21 deletions(-)
|
|diff --git a/config.def.h b/config.def.h
|index 2cd740a..ffaca7a 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 93.
Hmm...  Ignoring the trailing garbage.
done