Integrate:

Integrate:
[ 19242]
Fix up Larry's copyright statements to my best knowledge.
(Lots of Perl 5 source code archaeology was involved.)
Larry didn't make strangled noises when I showed him
the patch, either :-)
p4raw-link: @19242 on //depot/perl: 4bb101f2758f169969171dfe6b70f68a406dcc1e

p4raw-id: //depot/maint-5.8/perl@19400
p4raw-integrated: from //depot/perl@19399 'copy in' x2p/a2py.c
	(@16076..) Porting/pumpkin.pod (@18282..) fakesdio.h locale.c
	nostdio.h (@18801..) EXTERN.h INTERN.h README av.h cc_runtime.h
	fakethr.h form.h globals.c gv.h hv.h mg.h pad.h perlsdio.h
	perlsfio.h regcomp.h run.c scope.h taint.c unixish.h utf8.h
	utfebcdic.h util.h x2p/EXTERN.h x2p/INTERN.h x2p/a2p.c
	x2p/a2p.h x2p/a2p.y x2p/hash.c x2p/hash.h x2p/proto.h x2p/str.c
	x2p/str.h x2p/util.c x2p/util.h x2p/walk.c (@18807..) perlapi.c
	(@18828..) doio.c (@19172..) perlio.h (@19203..) utf8.c
	(@19231..) 'merge in' cop.h opcode.h opnames.h pp_sort.c
	regexp.h xsutils.c (@18801..) deb.c doop.c keywords.h
	miniperlmain.c pp.h (@18807..) patchlevel.h (@18812..)
	keywords.pl (@18851..) global.sym (@18868..) opcode.pl
	(@18875..) pad.c (@18904..) mg.c (@18979..) dosish.h (@19051..)
	scope.c (@19064..) perlvars.h (@19120..) cv.h (@19167..)
	regexec.c (@19210..) pp.c (@19218..) perl.h (@19230..)
p4raw-integrated: from //depot/perl@19242 'merge in' XSUB.h av.c op.h
	thrdvar.h (@18801..) thread.h (@18807..) handy.h (@18873..)
	regcomp.c (@18995..) pp_pack.c (@19010..) pp_sys.c (@19091..)
	dump.c (@19098..) embed.h embed.pl (@19120..) reentr.c reentr.h
	reentr.pl (@19122..) pp_ctl.c (@19126..) embedvar.h perlapi.h
	sv.c (@19133..) sv.h (@19167..) toke.c (@19169..) perl.c
	(@19185..) hv.c pp_hot.c (@19212..) gv.c (@19213..) op.c
	proto.h (@19214..) numeric.c (@19218..) universal.c (@19235..)
	util.c (@19238..)