Adding upstream version 4.22.0.upstream/4.22.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 131 insertions, 0 deletions

diff --git a/upstream/mageia-cauldron/man3pm/deprecate.3pm b/upstream/mageia-cauldron/man3pm/deprecate.3pm
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+.\" -*- mode: troff; coding: utf-8 -*-
+.\" Automatically generated by Pod::Man 5.01 (Pod::Simple 3.43)
+.\"
+.\" Standard preamble:
+.\" ========================================================================
+.de Sp \" Vertical space (when we can't use .PP)
+.if t .sp .5v
+.if n .sp
+..
+.de Vb \" Begin verbatim text
+.ft CW
+.nf
+.ne \\$1
+..
+.de Ve \" End verbatim text
+.ft R
+.fi
+..
+.\" \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>.
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+.    ds C` ""
+.    ds C' ""
+'br\}
+.el\{\
+.    ds C`
+.    ds C'
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+.\"
+.\" Escape single quotes in literal strings from groff's Unicode transform.
+.ie \n(.g .ds Aq \(aq
+.el       .ds Aq '
+.\"
+.\" If the F register is >0, we'll generate index entries on stderr for
+.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
+.\" entries marked with X<> in POD.  Of course, you'll have to process the
+.\" output yourself in some meaningful fashion.
+.\"
+.\" Avoid warning from groff about undefined register 'F'.
+.de IX
+..
+.nr rF 0
+.if \n(.g .if rF .nr rF 1
+.if (\n(rF:(\n(.g==0)) \{\
+.    if \nF \{\
+.        de IX
+.        tm Index:\\$1\t\\n%\t"\\$2"
+..
+.        if !\nF==2 \{\
+.            nr % 0
+.            nr F 2
+.        \}
+.    \}
+.\}
+.rr rF
+.\" ========================================================================
+.\"
+.IX Title "deprecate 3pm"
+.TH deprecate 3pm 2023-11-28 "perl v5.38.2" "Perl Programmers Reference Guide"
+.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
+.\" way too many mistakes in technical documents.
+.if n .ad l
+.nh
+.SH NAME
+deprecate \- Perl pragma for deprecating the inclusion of a module in core
+.SH SYNOPSIS
+.IX Header "SYNOPSIS"
+.Vb 1
+\&    use deprecate;  # warn about future absence if loaded from core
+.Ve
+.SH DESCRIPTION
+.IX Header "DESCRIPTION"
+This pragma simplifies the maintenance of dual-life modules that will no longer
+be included in the Perl core in a future Perl release, but are still included
+currently.
+.PP
+The purpose of the pragma is to alert users to the status of such a module by
+issuing a warning that encourages them to install the module from CPAN, so that
+a future upgrade to a perl which omits the module will not break their code.
+.PP
+This warning will only be issued if the module was loaded from a core library
+directory, which allows the \f(CW\*(C`use deprecate\*(C'\fR line to be included in the CPAN
+version of the module. Because the pragma remains silent when the module is run
+from a non-core library directory, the pragma call does not need to be patched
+into or out of either the core or CPAN version of the module. The exact same
+code can be shipped for either purpose.
+.SS "Important Caveat"
+.IX Subsection "Important Caveat"
+Note that when a module installs from CPAN to a core library directory rather
+than the site library directories, the user gains no protection from having
+installed it.
+.PP
+At the same time, this pragma cannot detect when such a module has installed
+from CPAN to the core library, and so it would endlessly and uselessly exhort
+the user to upgrade.
+.PP
+Therefore modules that can install from CPAN to the core library must make sure
+not to call this pragma when they have done so. Generally this means that the
+exact logic from the installer must be mirrored inside the module. E.g.:
+.PP
+.Vb 5
+\&    # Makefile.PL
+\&    WriteMakefile(
+\&        # ...
+\&        INSTALLDIRS => ( "$]" >= 5.011 ? \*(Aqsite\*(Aq : \*(Aqperl\*(Aq ),
+\&    );
+\&
+\&    # lib/Foo/Bar.pm
+\&    use if "$]" >= 5.011, \*(Aqdeprecate\*(Aq;
+.Ve
+.PP
+(The above example shows the most important case of this: when the target is
+a Perl older than 5.12 (where the core library directories take precedence over
+the site library directories) and the module being installed was included in
+core in that Perl version. Under those circumstances, an upgrade of the module
+from CPAN is only possible by installing to the core library.)
+.SH EXPORT
+.IX Header "EXPORT"
+None by default.  The only method is \f(CW\*(C`import\*(C'\fR, called by \f(CW\*(C`use deprecate;\*(C'\fR.
+.SH "SEE ALSO"
+.IX Header "SEE ALSO"
+First example to \f(CW\*(C`use deprecate;\*(C'\fR was Switch.
+.SH AUTHOR
+.IX Header "AUTHOR"
+Original version by Nicholas Clark
+.SH "COPYRIGHT AND LICENSE"
+.IX Header "COPYRIGHT AND LICENSE"
+Copyright (C) 2009, 2011
+.PP
+This library is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself, either Perl version 5.10.0 or,
+at your option, any later version of Perl 5 you may have available.