<tr>
<td valign="top"><code>DV_PHRASE</code><br>
</td>
- <td valign="top">a free form date phrase<br>
+ <td valign="top">a free form date phrase
+(date1 and date2 can contain meaningful values, if the dates could be parsed,
+but did not result in a valid date; the sdn values will then still be -1)<br>
</td>
<td valign="top">phrase<br>
</td>
<br>
<br>
<br>
+<br>
</body></html>
\ No newline at end of file