integrate cfgperl changes#6220..6222 into mainline

integrate cfgperl changes#6220..6222 into mainline

p4raw-link: @6222 on //depot/cfgperl: cb6e01d9fd93f1025bb60ed9c000931b2c8542a3
p4raw-link: @6220 on //depot/cfgperl: 94414bfbc497e71da32f6edca513d34725e3cae6

p4raw-id: //depot/perl@6350
p4raw-integrated: from //depot/cfgperl@6349 'copy in' lib/Pod/Usage.pm
	(@5717..) win32/win32.h (@6026..) pod/perlop.pod (@6206..)
p4raw-integrated: from //depot/cfgperl@6221 'copy in' utf8.c (@6174..)
	doop.c (@6193..) toke.c (@6196..) 'merge in' embed.pl (@6217..)
p4raw-integrated: from //depot/cfgperl@6220 'merge in' makedef.pl
	(@6156..)