Hmm...  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 4b3bf15..1986316 100644
|--- a/config.def.h
|+++ b/config.def.h
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 failed at 163.
1 out of 1 hunks failed
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 f8b6f67..dd4cb31 100644
|--- st.c
|+++ st.c
--------------------------
Patching file st.c using Plan A...
Hunk #1 succeeded at 1035 (offset -10 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 1332cf1..f9ad815 100644
|--- st.h
|+++ st.h
--------------------------
Patching file st.h using Plan A...
Hunk #1 succeeded at 87 (offset -2 lines).
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 e5f1737..b8fbd7b 100644
|--- x.c
|+++ x.c
--------------------------
Patching file x.c using Plan A...
Hunk #1 succeeded at 34.
Hunk #2 succeeded at 447.
done