Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|From f2d5975051daf2b4496a0b0193381e0d6c55a80b Mon Sep 17 00:00:00 2001
|From: Jordan Cran <jordan@instantepiphany.com.au>
|Date: Sun, 17 Feb 2019 11:57:35 +1100
|Subject: [PATCH] Add scrollback (4000 line history default) for 0.8.1
|
|---
| config.def.h |   2 +
| st.c         | 119 ++++++++++++++++++++++++++++++++++++++++-----------
| st.h         |   2 +
| 3 files changed, 98 insertions(+), 25 deletions(-)
|
|diff --git a/config.def.h b/config.def.h
|index 82b1b09..27d42ca 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 178.
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 46c954b..a6a0ba0 100644
|--- a/st.c
|+++ b/st.c
--------------------------
Patching file st.c using Plan A...
Hunk #1 succeeded at 35.
Hunk #2 succeeded at 44.
Hunk #3 succeeded at 125.
Hunk #4 succeeded at 195.
Hunk #5 succeeded at 438.
Hunk #6 succeeded at 550.
Hunk #7 succeeded at 565.
Hunk #8 succeeded at 593.
Hunk #9 succeeded at 631.
Hunk #10 succeeded at 849.
Hunk #11 succeeded at 1063.
Hunk #12 succeeded at 1123.
Hunk #13 succeeded at 1188.
Hunk #14 succeeded at 1353.
Hunk #15 succeeded at 1789.
Hunk #16 succeeded at 2317.
Hunk #17 succeeded at 2330.
Hunk #18 succeeded at 2549.
Hunk #19 succeeded at 2586.
Hunk #20 succeeded at 2651.
Hunk #21 succeeded at 2672.
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 dac64d8..d47e5fd 100644
|--- a/st.h
|+++ b/st.h
--------------------------
Patching file st.h using Plan A...
Hunk #1 succeeded at 80.
Hmm...  Ignoring the trailing garbage.
done