Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From: Michal Cizek <cizek.michal@gmail.com>
|Date: Sat, 28 Oct 2023 16:46:42 -0400
|Subject: [PATCH] Patch that displays current date and time on the locked
| screen.
|
|---
| config.mk |  2 +-
| slock.c   | 89 ++++++++++++++++++++++++++++++++++++++++++++++++++++---
| 2 files changed, 86 insertions(+), 5 deletions(-)
|
|diff --git a/config.mk b/config.mk
|index 514c236..c42e301 100644
|--- a/config.mk
|+++ b/config.mk
--------------------------
Patching file config.mk using Plan A...
Hunk #1 succeeded at 12.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/slock.c b/slock.c
|index b2f14e3..03839bc 100644
|--- a/slock.c
|+++ b/slock.c
--------------------------
Patching file slock.c using Plan A...
Hunk #1 succeeded at 5.
Hunk #2 succeeded at 19.
Hunk #3 succeeded at 46.
Hunk #4 succeeded at 133.
Hunk #5 succeeded at 235.
Hunk #6 succeeded at 265.
Hunk #7 succeeded at 398.
Hunk #8 succeeded at 444.
Hmm...  Ignoring the trailing garbage.
done