Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From 6585da1be120d86316e4a9d620e9dfdfb3755822 Mon Sep 17 00:00:00 2001
|From: Ashish Kumar Yadav <ashishkumar.yadav@students.iiserpune.ac.in>
|Date: Wed, 4 Aug 2021 18:21:01 +0530
|Subject: [PATCH] Fixes title parsing
|
|In st, titles get truncated after the first ';' character, this patch
|fixes that.
|---
| st.c | 26 ++++++++++++++------------
| 1 file changed, 14 insertions(+), 12 deletions(-)
|
|diff --git a/st.c b/st.c
|index 76b7e0d..8c68218 100644
|--- a/st.c
|+++ b/st.c
--------------------------
Patching file st.c using Plan A...
Hunk #1 succeeded at 42.
Hunk #2 succeeded at 150.
Hunk #3 succeeded at 1848.
Hunk #4 succeeded at 1875.
Hunk #5 succeeded at 1895.
Hunk #6 succeeded at 1914.
Hmm...  Ignoring the trailing garbage.
done