radio

def radio = {attrs ->
        def value = attrs.remove('value')
        attrs.id = attrs.id ? attrs.id : attrs.name
        def name = attrs.remove('name')
        def disabled = attrs.remove('disabled')
        if (disabled && Boolean.valueOf(disabled)) {
            attrs.disabled = 'disabled'
        }
        def checked = (attrs.remove('checked') ? true : false)
        out << '<input type="radio" '
        out << "name=\"${name}\" "
        if (checked) {
            out << 'checked="checked" '
        }
        out << "value=\"${value.toString().encodeAsHTML()}\" "
        // process remaining attributes
        outputAttributes(attrs)
        // close the tag, with no body
        out << ' />'
    }