Integrate from maint-5.8/perl

Integrate from maint-5.8/perl

p4raw-id: //depot/maint-5.8/macperl@18942
p4raw-integrated: from //depot/maint-5.8/perl@18941 'copy in'
	README.qnx emacs/cperl-mode.el ext/IO/lib/IO/Socket.pm
	ext/PerlIO/encoding/encoding.xs ext/PerlIO/via/via.pm
	ext/threads/shared/t/cond.t lib/Net/NNTP.pm
	lib/Tie/File/t/05_size.t lib/ftp.pl pod/pod2latex.PL
	vms/perlvms.pod win32/vmem.h (@17645..) ext/DB_File/DB_File.xs
	lib/Config.t pod/perlthrtut.pod pod/perltooc.pod (@18080..)
	t/op/tie.t (@18132..) lib/charnames.pm (@18227..)
	pod/perlintern.pod (@18241..) ext/Time/HiRes/Changes
	ext/Time/HiRes/HiRes.pm ext/Time/HiRes/Makefile.PL (@18503..)
	utils/libnetcfg.PL (@18515..) lib/Pod/Perldoc.pm (@18535..)
	lib/utf8.t (@18665..) lib/Net/Ping.pm
	lib/Net/Ping/t/190_alarm.t (@18673..) ext/Storable/Storable.xs
	(@18743..) ext/B/B/Concise.pm (@18744..) ext/DB_File/DB_File.pm
	ext/IO/lib/IO/t/io_sock.t intrpvar.h pod/perldiag.pod
	(@18783..) pod/perlfunc.pod (@18791..) reentr.c regcomp.c sv.h
	t/run/switchC.t (@18804..) lib/Net/FTP.pm (@18824..) Configure
	ext/Devel/PPPort/PPPort.pm reentr.pl (@18850..) perl.h
	vms/vms.c (@18866..) t/io/utf8.t (@18879..) pad.c (@18881..)
	mg.c sv.c t/op/magic.t (@18896..) perl.c (@18898..)