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.IX Title "Perl::Critic::Policy::Documentation::ProhibitDuplicateSeeAlso 3pm"
.TH Perl::Critic::Policy::Documentation::ProhibitDuplicateSeeAlso 3pm "2021-02-28" "perl v5.32.1" "User Contributed Perl Documentation"
.\" 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"
Perl::Critic::Policy::Documentation::ProhibitDuplicateSeeAlso \- don't duplicate L<> links in SEE ALSO
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This policy is part of the \f(CW\*(C`Perl::Critic::Pulp\*(C'\fR
add-on.  It asks you not to duplicate \f(CW\*(C`L<Foo>\*(C'\fR links in a \s-1SEE
ALSO\s0 section.
.PP
.Vb 1
\&    =head1 SEE ALSO
\&
\&    L<Foo::Bar>
\&
\&    L<Foo::Bar>    # bad
.Ve
.PP
The idea is that for readability a given cross-reference should be linked
just once and a duplicate is likely a leftover from too much cut-and-paste
etc.  This is minor matter so this policy is low severity and under the
\&\f(CW\*(C`cosmetic\*(C'\fR theme (see \*(L"\s-1POLICY THEMES\*(R"\s0 in Perl::Critic).
.PP
A module can appear more than once in a \s-1SEE ALSO,\s0 but only
\&\f(CW\*(C`L<>\*(C'\fR linked once.  Anything else should be \f(CW\*(C`C<>\*(C'\fR
markup or plain text.
.PP
.Vb 2
\&    L<Foo::One>, L<Foo::Two>
\&    (C<Foo::Two> runs faster)     # ok
.Ve
.PP
Links to different parts of a target \s-1POD\s0 are allowed,
.PP
.Vb 2
\&    L<perlfunc/alarm>,
\&    L<perlfunc/kill>     # ok
.Ve
.SS "Disabling"
.IX Subsection "Disabling"
If you don't care about this then you can always disable
\&\f(CW\*(C`ProhibitDuplicateSeeAlso\*(C'\fR from your \fI.perlcriticrc\fR file in the usual way
(see \*(L"\s-1CONFIGURATION\*(R"\s0 in Perl::Critic),
.PP
.Vb 1
\&    [\-Documentation::ProhibitDuplicateSeeAlso]
.Ve
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Perl::Critic::Pulp,
Perl::Critic
.PP
Perl::Critic::Policy::Documentation::ProhibitAdjacentLinks,
Perl::Critic::Policy::Documentation::ProhibitLinkToSelf
.SH "HOME PAGE"
.IX Header "HOME PAGE"
http://user42.tuxfamily.org/perl\-critic\-pulp/index.html
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2019, 2021 Kevin Ryde
.PP
Perl-Critic-Pulp is free software; you can redistribute it and/or modify it
under the terms of the \s-1GNU\s0 General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
.PP
Perl-Critic-Pulp is distributed in the hope that it will be useful, but
\&\s-1WITHOUT ANY WARRANTY\s0; without even the implied warranty of \s-1MERCHANTABILITY\s0
or \s-1FITNESS FOR A PARTICULAR PURPOSE.\s0  See the \s-1GNU\s0 General Public License for
more details.
.PP
You should have received a copy of the \s-1GNU\s0 General Public License along with
Perl-Critic-Pulp.  If not, see <http://www.gnu.org/licenses/>.