CakePHP Quick tip: Adding CSS links to $scripts_for_layout in 1.3

Got caught with this one upgrading from an older version of CakePHP to 1.3
In your view, to add a css file to the $script_for_layout variable, you used to do this:
<?php $html->css("css_file", null, array(), false); ?>In 1.3, you have to change this to:
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