#!/usr/bin/perl -w

# regular expression taken from lintian's manpages checks with following
# copyright/licensing:
# 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 http://www.gnu.org/copyleft/gpl.html, or write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA.

use strict;

while (<>) {
    if (m/^(
            ([^\.].*)?
            [\s\'\"\`\(\[]
            (?<! \\s | \*\( | \(- | \w\' )
           )?
           (--?\w+)/ox) {
        print "Improper escaping on line $.\n";
    }
}
