Description:
------------
textilphp 2.0.8,which use preg_xxx()
i think this is PCRE's bug.
see this link: http://forum.textpattern.com/viewtopic.php?id=21373

textilphp 2.0.8 : http://jimandlissa.com/project/textilephp

Reproduce code:
---------------
include_once("Textile.php");
$textile = new Textile();
$s1 = "h1. hello";
$s2 = "* list item1
* list item2
* list item3
";

echo $textile->process($s1);
echo $textile->process($s2);

Expected result:
----------------
the result should be:
<h1>hello</h1>
<ul>
<li>list item1</li>
<li>list item2</li>
<li>list item3</li>
</ul>