[inseparable changes from match from perl-5.003_97e to perl-5.003_97f]

[inseparable changes from match from perl-5.003_97e to perl-5.003_97f]

 CORE LANGUAGE CHANGES

Subject: New operator systell()
From: Chip Salzenberg <chip@perl.com>
Files: doio.c ext/Opcode/Opcode.pm keywords.pl opcode.pl pod/perldelta.pod pod/perldiag.pod pod/perlfunc.pod pp_sys.c t/op/sysio.t toke.c

Subject: Allow constant sub to be optimized when called with parens
From: Chip Salzenberg <chip@perl.com>
Files: toke.c

Subject: Make {,un}pack fail on invalid pack types
From: Chip Salzenberg <chip@perl.com>
Files: pod/perldiag.pod pp.c

 CORE PORTABILITY

Subject: Fix bitwise ops and {,un}pack() on Cray CPUs
From: Chip Salzenberg <chip@perl.com>
Files: pp.c

Subject: VMS update
From: Charles Bailey <bailey@hmivax.humgen.upenn.edu>
Files: lib/Cwd.pm lib/File/Path.pm lib/FindBin.pm vms/perly_c.vms vms/vms.c vms/writemain.pl

Subject: Win32 update (three patches)
From: Gurusamy Sarathy <gsar@engin.umich.edu>
Files: lib/Cwd.pm lib/ExtUtils/MM_Unix.pm lib/ExtUtils/MM_Win32.pm lib/File/Basename.pm win32/Makefile win32/makedef.pl win32/perllib.c win32/win32.c win32/win32iop.h

 DOCUMENTATION

Subject: Document size restrictions for packed integers
From: Jarkko Hietaniemi <Jarkko.Hietaniemi@cc.hut.fi>
Files: pod/perlfunc.pod

 LIBRARY AND EXTENSIONS

Subject: Fix bug in Opcode when (maxo & 15) > 8
From: Chip Salzenberg <chip@perl.com>
Files: ext/Opcode/Makefile.PL ext/Opcode/Opcode.pm ext/Opcode/Opcode.xs