[inseparable changes from match from perl-5.003_97a to perl-5.003_97b]

[inseparable changes from match from perl-5.003_97a to perl-5.003_97b]

 BUILD PROCESS

Subject: Don't suggest 'Configure -der' in config.sh comments
From: Chip Salzenberg <chip@perl.com>
Files: Configure

 CORE LANGUAGE CHANGES

Subject: Make assignment to C<$)> call setgroups()
From: Chip Salzenberg <chip@perl.com>
Files: Configure config_H config_h.SH mg.c plan9/config.plan9 pod/perldelta.pod vms/config.vms win32/config.H win32/config.w32

Subject: Grandfather "$$<digit>" in strings
From: Chip Salzenberg <chip@perl.com>
Files: pod/perldiag.pod toke.c

Subject: Disconnect warn and die hooks _after_ object destruction
From: Chip Salzenberg <chip@perl.com>
Files: perl.c

Subject: Forbid recursive substitutions
From: Chip Salzenberg <chip@perl.com>
Files: cop.h pod/perldelta.pod pod/perldiag.pod pp_ctl.c pp_hot.c

 DOCUMENTATION

Subject: Document required module versions
From: Chip Salzenberg <chip@perl.com>
Files: pod/perldelta.pod

 LIBRARY AND EXTENSIONS

Subject: Updates to Math::Complex and Math::Trig
From: Jarkko Hietaniemi <Jarkko.Hietaniemi@cc.hut.fi>
Files: lib/Math/Complex.pm lib/Math/Trig.pm pod/perldelta.pod t/lib/complex.t

 OTHER CORE CHANGES

Subject: length($') isn't
Date: Mon, 07 Apr 1997 03:30:44 -0400
From: Gurusamy Sarathy <gsar@engin.umich.edu>
Files: mg.c
Msg-ID: 199704070730.DAA07310@aatma.engin.umich.edu

    (applied based on p5p patch as commit 645a7cbb1f14932f058231f0a4f808b88ebe8703)

Subject: Fix obscure regex bug related to leading C<.*>
From: Chip Salzenberg <chip@perl.com>
Files: toke.c

Subject: Add warning for glob failure
From: Chip Salzenberg <chip@perl.com>
Files: pod/perldelta.pod pod/perldiag.pod pp_hot.c

Subject: Fix C<perl -V> in presence of local patches
From: Chip Salzenberg <chip@perl.com>
Files: perl.c