integrate from perlio: changes #17709, #17795, #17796, #18032
Hugo van der Sanden [Mon, 4 Nov 2002 15:16:34 +0000 (15:16 +0000)]
p4raw-link: @17709 on //depot/perlio: e949e37c57a7b8894b837a34a436233508daf2e1

p4raw-id: //depot/perl@18086


Trivial merge