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#!/usr/bin/perl
use lib '.';
use AlgParser;
my $parser = new AlgParserWithImplicitExpand;
my $ret;
$ret = $parser -> parse($ARGV[0]);
if ( ref($ret) ) {
$parser -> tostring();
$parser -> normalize();
print $parser -> tolatex();
} else {
print $parser->{htmlerror};
}