a single file.
    </p>
    <object>
      <field name="offset">
        <ref>int</ref>
        <p>
          The offset of the region to be modified.
        </p>
      </field>
      <field name="length">
        <ref>int</ref>
        <p>
          The length of the region to be modified.
        </p>
      </field>
      <field name="replacement">
        <ref>String</ref>
        <p>
          The code that is to replace the specified region in the original code.
        </p>
      </field>
      <fiel