Revision history for Perl extension PerlIO::subfile.

0.01  Sun Feb 18 17:16:25 2001
	- original version; created by h2xs 1.21 with options
		-A -n PerlIO::subfile

0.02  Sat Apr 21 17:39:11 BST 2001
      Change to use the modified layer API of 5.7.1
      As the pushed argument is now an SV, allow an SV that is an IV/UV
      (but not a PV) is treated as a relative end value. (which will make
      things easier for ex::lib::zip