Message-Id: <
3CF5DF7F.1060700@stason.org>
p4raw-id: //depot/perl@16873
Takes volume, directory and file portions and returns an entire path. Under
Unix, $volume is ignored, and directory and file are catenated. A '/' is
-inserted if need be. On other OSs, $volume is significant.
+inserted if needed (though if the directory portion doesn't start with
+'/' it is not added). On other OSs, $volume is significant.
=cut