radio field can only use separator option

Going over the code to add text before between and after as described
here.
http://book.cakephp.org/view/191/options-before-options-between-options-separator-a

This doesn't say anything about it not working for a radio input.
Does anybody know if it should work for radio buttons
ver: 1.2.0.7692 RC3

Is it you can only separate radio inputs with the separator option.
I am looking for this to work just like the text and checkbox fields.

Works fine
<?php echo $form->input('field', array(
'before' => '--before--',
'after' => '--after--',
'between' => '--between---'
));?>
<div class="input text">--before--<label for="PeopleField">Field</
label>--between---<input name="data[People][field]" value=""
id="PeopleField" type="text">--after--</div>

Works fine
<?php echo $form->input('field', array(
'before' => '--before--',
'after' => '--after--',
'between' => '--between---',
'type' => 'checkbox',
'options' => array('value')
));?>
<div class="input checkbox">--before--<input name="data[People]
[field]" id="PeopleField_" value="0" type="hidden"><input
name="data[People][field]" options="" value="1" id="PeopleField"
type="checkbox">--between---<label for="PeopleField">Field</label>--
after--</div>

Does not work
<?php echo $form->input('field', array(
'before' => '--before--',
'after' => '--after--',
'between' => '--between---',
'type' => 'radio',
'options' => array('value')
));?>
<div class="input radio">--before--<input name="data[People][field]"
id="PeopleField_" value="" type="hidden"><input name="data[People]
[field]" id="PeopleField0" value="0" type="radio"><label
for="PeopleField0">value</label>--between-----after--</div>

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