Some copy&paste leftovers probably.
use warnings;
use POSIX;
-use URI::Escape;
-use HTML::Entities;
use DB_File;
-use Benchmark ':hireswallclock';
use Exporter;
use Deb::Versions;
use strict;
use warnings;
-use Benchmark ':hireswallclock';
-use HTML::Entities;
use POSIX;
-use XML::RSS;
use CGI ();
use Exporter;
our @ISA = qw( Exporter );
use Benchmark ':hireswallclock';
use DB_File;
-use URI::Escape;
-use HTML::Entities;
use Exporter;
our @ISA = qw( Exporter );
our @EXPORT = qw( do_search );
use Benchmark ':hireswallclock';
use DB_File;
-use URI::Escape;
-use HTML::Entities;
use Exporter;
our @ISA = qw( Exporter );
our @EXPORT = qw( do_search_contents );