Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/st.c b/st.c
|index 686ed5d..697cd43 100644
|--- a/st.c
|+++ b/st.c
--------------------------
Patching file st.c using Plan A...
Hunk #1 succeeded at 249.
Hunk #2 succeeded at 264.
Hunk #3 succeeded at 1026.
Hunk #4 succeeded at 2602.
done