Hmm...  Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|--- ./lib/CPAN.pm-pre-prereq	Wed Dec  3 19:58:58 2003
|+++ ./lib/CPAN.pm	Mon Dec  8 17:25:30 2003
--------------------------
Patching file CPAN.pm using Plan A...
Hunk #1 succeeded at 4825 (offset -16 lines).
Hunk #2 succeeded at 4849 (offset -16 lines).
Hunk #3 succeeded at 4898 (offset -16 lines).
done
