2.13 is the bug fix fix.
p4raw-id: //depot/perl@34521
You may use the syntax C<use File::Copy "cp"> to get at the
"cp" alias for this function. The syntax is I<exactly> the same.
-As of version 2.13, on UNIX systems, "copy" will preserve permission
+As of version 2.14, on UNIX systems, "copy" will preserve permission
bits like the shell utility C<cp> would do.
=item move