Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/dmenu.1 b/dmenu.1
|index d3ab805..5301910 100644
|--- a/dmenu.1
|+++ b/dmenu.1
--------------------------
Patching file dmenu.1 using Plan A...
Hunk #1 succeeded at 51.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff --git a/dmenu.c b/dmenu.c
|index 3b05752..add4364 100644
|--- a/dmenu.c
|+++ b/dmenu.c
--------------------------
Patching file dmenu.c using Plan A...
Hunk #1 succeeded at 36.
Hunk #2 succeeded at 566.
Hunk #3 succeeded at 604.
Hunk #4 succeeded at 631.
done