Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 1e5ee55ff70ca7abcc8c223ae34ff5b94e0a647d Mon Sep 17 00:00:00 2001
|From: Justinas Grigas <dev@jstnas.com>
|Date: Sat, 15 Jun 2024 21:13:12 +0100
|Subject: [PATCH] qalc: calculator mode
|
|Updates over previous patch:
|- add flag to manpage synopsis.
|- uses poll instead of select (prevents hang when qalc is not installed).
|- follow suckless style.
|- qalc function names start with qalc.
|---
| dmenu.1 |   5 +-
| dmenu.c | 160 +++++++++++++++++++++++++++++++++++++++++++++-----------
| 2 files changed, 133 insertions(+), 32 deletions(-)
|
|diff --git a/dmenu.1 b/dmenu.1
|index 323f93c..ee5ca31 100644
|--- a/dmenu.1
|+++ b/dmenu.1
--------------------------
Patching file dmenu.1 using Plan A...
Hunk #1 succeeded at 3.
Hunk #2 succeeded at 40.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/dmenu.c b/dmenu.c
|index 40f93e0..67b7f02 100644
|--- a/dmenu.c
|+++ b/dmenu.c
--------------------------
Patching file dmenu.c using Plan A...
Hunk #1 succeeded at 7.
Hunk #2 succeeded at 38.
Hunk #3 succeeded at 237.
Hunk #4 succeeded at 603.
Hunk #5 succeeded at 659.
Hunk #6 succeeded at 808.
Hunk #7 succeeded at 825.
Hunk #8 succeeded at 877.
Hmm...  Ignoring the trailing garbage.
done