$ perl -e 'use CGI; $cgi=new CGI; for ($i=0;$i<10;$i++) {  print
$cgi->Link({-rel=>'previous', -href=>"href"}) . "\n";} '
<link rel="previous" href="href" />
<link href="href" rel="previous" />
<link rel="previous" href="href" />
<link rel="previous" href="href" />
<link href="href" rel="previous" />
<link href="href" rel="previous" />
<link rel="previous" href="href" />
<link rel="previous" href="href" />
<link rel="previous" href="href" />
<link href="href" rel="previous" />


This makes some of my scripts create everchanging HTML output ... 

I did not find an option to sort this, but it probably should get sorted
somehow :/