Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 46a1124957b8de5e7f827656b64bfc3baeaa097f Mon Sep 17 00:00:00 2001
|From: wael <40663@protonmail.com>
|Date: Mon, 11 Apr 2022 17:04:30 +0300
|Subject: [PATCH] [st][patch][boxdraw] update to 0.8.5
|
|---
| Makefile       |   3 +-
| boxdraw.c      | 194 ++++++++++++++++++++++++++++++++++++++++++++
| boxdraw_data.h | 214 +++++++++++++++++++++++++++++++++++++++++++++++++
| config.def.h   |  12 +++
| st.c           |   3 +
| st.h           |  10 +++
| x.c            |  21 +++--
| 7 files changed, 451 insertions(+), 6 deletions(-)
| create mode 100644 boxdraw.c
| create mode 100644 boxdraw_data.h
|
|diff --git a/Makefile b/Makefile
|index 470ac86..6dfa212 100644
|--- a/Makefile
|+++ b/Makefile
--------------------------
Patching file Makefile using Plan A...
Hunk #1 succeeded at 4.
Hunk #2 succeeded at 23.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/boxdraw.c b/boxdraw.c
|new file mode 100644
|index 0000000..28a92d0
|--- /dev/null
|+++ b/boxdraw.c
--------------------------
(Creating file boxdraw.c...)
Patching file boxdraw.c using Plan A...
Empty context always matches.
Hunk #1 succeeded at 1.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/boxdraw_data.h b/boxdraw_data.h
|new file mode 100644
|index 0000000..7890500
|--- /dev/null
|+++ b/boxdraw_data.h
--------------------------
(Creating file boxdraw_data.h...)
Patching file boxdraw_data.h using Plan A...
Empty context always matches.
Hunk #1 succeeded at 1.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/config.def.h b/config.def.h
|index 91ab8ca..7bb3ff7 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 67.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/st.c b/st.c
|index f43cfd3..baa2bed 100644
|--- a/st.c
|+++ b/st.c
--------------------------
Patching file st.c using Plan A...
Hunk #1 succeeded at 1222 (offset 8 lines).
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/st.h b/st.h
|index 519b9bd..07a7c66 100644
|--- a/st.h
|+++ b/st.h
--------------------------
Patching file st.h using Plan A...
Hunk #1 succeeded at 33.
Hunk #2 succeeded at 114.
Hunk #3 succeeded at 135.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/x.c b/x.c
|index 2a3bd38..bf6bbf9 100644
|--- a/x.c
|+++ b/x.c
--------------------------
Patching file x.c using Plan A...
Hunk #1 succeeded at 1221 (offset -16 lines).
Hunk #2 succeeded at 1269 (offset -16 lines).
Hunk #3 succeeded at 1479 (offset -16 lines).
Hunk #4 succeeded at 1527 (offset -16 lines).
Hmm...  Ignoring the trailing garbage.
done