#!/usr/bin/perl

use warnings;
use strict;
use CGI qw(:standard);

my $foo = "bar";
my $bar = "baz";

#i've passed Tr an _array reference_
print Tr([td($foo), td($bar)]), "\n";

##</code><code>##

print Tr( [ td($req.$key),
            td(input(-type=>$input_html{$key}, -name=>$key))
          ] );