Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -u dwm-6.0-orig/config.def.h dwm-6.0-pertag-tab/config.def.h
|--- dwm-6.0-orig/config.def.h	2011-12-19 16:02:46.000000000 +0100
|+++ dwm-6.0-pertag-tab/config.def.h	2013-06-23 00:06:48.000000000 +0200
--------------------------
Patching file config.def.h using Plan A...
Hunk #1 succeeded at 12.
Hunk #2 succeeded at 28.
Hunk #3 succeeded at 57.
Hunk #4 succeeded at 105.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -u dwm-6.0-orig/dwm.1 dwm-6.0-pertag-tab/dwm.1
|--- dwm-6.0-orig/dwm.1	2011-12-19 16:02:46.000000000 +0100
|+++ dwm-6.0-pertag-tab/dwm.1	2013-06-23 00:21:16.000000000 +0200
--------------------------
Patching file dwm.1 using Plan A...
Hunk #1 succeeded at 19.
Hunk #2 succeeded at 45.
Hunk #3 succeeded at 107.
Hmm...  The next patch looks like a unified diff to me...
The text leading up to this was:
--------------------------
|diff -u dwm-6.0-orig/dwm.c dwm-6.0-pertag-tab/dwm.c
|--- dwm-6.0-orig/dwm.c	2011-12-19 16:02:46.000000000 +0100
|+++ dwm-6.0-pertag-tab/dwm.c	2013-06-23 16:57:10.000000000 +0200
--------------------------
Patching file dwm.c using Plan A...
Hunk #1 succeeded at 62.
Hunk #2 succeeded at 102.
Hunk #3 succeeded at 125.
Hunk #4 succeeded at 190.
Hunk #5 succeeded at 245.
Hunk #6 succeeded at 275.
Hunk #7 succeeded at 305.
Hunk #8 succeeded at 482.
Hunk #9 succeeded at 537.
Hunk #10 succeeded at 560.
Hunk #11 succeeded at 630.
Hunk #12 succeeded at 700.
Hunk #13 succeeded at 708.
Hunk #14 succeeded at 810.
Hunk #15 succeeded at 826.
Hunk #16 succeeded at 854.
Hunk #17 succeeded at 963.
Hunk #18 succeeded at 986.
Hunk #19 succeeded at 1016.
Hunk #20 succeeded at 1044.
Hunk #21 succeeded at 1094.
Hunk #22 succeeded at 1224.
Hunk #23 succeeded at 1507.
Hunk #24 succeeded at 1616.
Hunk #25 succeeded at 1754.
Hunk #26 succeeded at 1778.
Hunk #27 succeeded at 1796.
Hunk #28 succeeded at 1822.
Hunk #29 succeeded at 1933.
Hunk #30 succeeded at 1976.
Hunk #31 succeeded at 2067.
Hunk #32 succeeded at 2082.
Hunk #33 succeeded at 2293.
Hunk #34 succeeded at 2347.
done