showdownjs/test/issues/#397.unordered-list-strange-behavior.html

<ul>
    <li><p><strong>Customer</strong> – Opens the Customer List. Refer to the document “Customer Management”.</p>
        <ul>
            <li>Customer List</li>
            <li>New Customer</li>
            <li>Customer Prices</li>
            <li>Appointments</li></ul></li>
    <li><p><strong>Designer</strong> - Opens the Designer List. Refer to the document “Designer Commissions”.</p>
        <ul>
            <li>Designer List</li>
            <li>New Designer</li>
            <li>Designer Payment List</li>
            <li>New Designer Payment</li></ul></li>
</ul>