#!/usr/local/bin/perl -w
use Tk;
use strict;

my $mw = MainWindow->new;

my $t = $mw->Scrolled('Text')->pack(-fill => 'both', -expand => 1);
$t->insert('end', "test");
$t->markSet('one', '1.3');
$mw->Button(-text =>'left', 
            -command => sub {
                $t->markGravity('one', 'left');
                $t->insert('one', '***');    
            }
           )->pack(-side => 'left');

$mw->Button(-text =>'right', 
            -command => sub {
               $t->markGravity('one', 'right');
               $t->insert('one', '***');
             }
           )->pack(-side => 'left');


$mw->Button(-text => "Report", 
            -command => sub { 
              my @m = $t->markNames(); 
              foreach (@m) {
                  print "MARK: $_ at ", $t->index($_), "\n";
              }
            }
           )->pack(-side => 'left');
MainLoop;