[PATCH] diff-raw format update take #2.

This changes the diff-raw format again, following the mailing
list discussion.  The new format explicitly expresses which one
is a rename and which one is a copy.

The documentation and tests are updated to match this change.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff-files.c

@@ -120,6 +120,6 @@ int main(int argc, const char **argv)
 		diffcore_pickaxe(pickaxe);
 	if (1 < argc)
 		diffcore_pathspec(argv + 1);
-	diff_flush(diff_output_format);
+	diff_flush(diff_output_format, 1);
 	return 0;
 }