#014390: Parsing error with RST documents

The following:

Do the following in order

Preparation
-----------

1. get peanut butter
2. add butter
3. put in oven for 30 minutes.

generates the wrong docbook:

<?xml version="1.0"?>
<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
<article xmlns="http://docbook.org/ns/docbook">
  <section ID="preparation">
    <sectioninfo/>
    <title>Preparation</title>
    <para>Do the following in order</para>
    <orderedlist numeration="arabic">
      <listitem>

        <para>get peanut butter</para>
      </listitem>
      <listitem>
        <para>add butter</para>
      </listitem>
      <listitem>
        <para>put in oven for 30 minutes.</para>

      </listitem>
    </orderedlist>
  </section>
</article>

Operating System:
PHP Version: (please be specific, like '4.4.3' or '5.1.5')
Database and version:
Browser (and version):