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our $VERSION = '0.60';

use 5.006;
use strict;
use warnings;

use Exporter;
our @ISA = qw(Exporter);
our @EXPORT = qw(line_diff word_diff html_word_diff);

# This list of tags is taken from the XHTML spec and includes
# all those for which no closing tag is expected. In addition
# the pattern below matches any tag which ends with a slash /

our @UNBALANCED_TAGS = qw(br hr p li base basefont meta link 
			  col colgroup frame input isindex area 
			  embed img bgsound marquee);

use Algorithm::Diff 'sdiff';

sub member {