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diff --git a/lib/Lintian/Deb822/Constants.pm b/lib/Lintian/Deb822/Constants.pm
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+# Hey emacs! This is a -*- Perl -*- script!
+# Lintian::Deb822::Constants -- Perl utility functions for parsing deb822 files
+
+# Copyright (C) 1998 Christian Schwarz
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, you can find it on the World Wide
+# Web at https://www.gnu.org/copyleft/gpl.html, or write to the Free
+# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+package Lintian::Deb822::Constants;
+
+use v5.20;
+use warnings;
+use utf8;
+
+use constant {
+    DCTRL_DEBCONF_TEMPLATE => 1,
+    DCTRL_NO_COMMENTS => 2,
+    DCTRL_COMMENTS_AT_EOL => 4,
+};
+
+our %EXPORT_TAGS = (constants =>
+      [qw(DCTRL_DEBCONF_TEMPLATE DCTRL_NO_COMMENTS DCTRL_COMMENTS_AT_EOL)],);
+
+our @EXPORT_OK = (@{ $EXPORT_TAGS{constants} });
+
+use Exporter qw(import);
+
+=head1 NAME
+
+Lintian::Deb822::Constants - Lintian's generic Deb822 constants
+
+=head1 SYNOPSIS
+
+ use Lintian::Deb822::Constants qw(DCTRL_NO_COMMENTS);
+
+=head1 DESCRIPTION
+
+This module contains a number of utility subs that are nice to have,
+but on their own did not warrant their own module.
+
+Most subs are imported only on request.
+
+=head1 CONSTANTS
+
+The following constants can be passed to the Debian control file
+parser functions to alter their parsing flag.
+
+=over 4
+
+=item DCTRL_DEBCONF_TEMPLATE
+
+The file should be parsed as debconf template.  These have slightly
+syntax rules for whitespace in some cases.
+
+=item DCTRL_NO_COMMENTS
+
+The file do not allow comments.  With this flag, any comment in the
+file is considered a syntax error.
+
+=back
+
+=head1 SEE ALSO
+
+lintian(1)
+
+=cut
+
+1;
+
+# Local Variables:
+# indent-tabs-mode: nil
+# cperl-indent-level: 4
+# End:
+# vim: syntax=perl sw=4 sts=4 sr et