!! input
[[Image:foobar.jpg|thumb|<math>2+2</math>]]
!! result
-<div class="thumb tright"><div class="thumbinner" style="width:182px;"><a href="/wiki/File:Foobar.jpg" class="image"><img alt="" src="http://example.com/images/3/3a/Foobar.jpg" width="180" height="20" class="thumbimage" /></a> <div class="thumbcaption"><div class="magnify"><a href="/wiki/File:Foobar.jpg" class="internal" title="Enlarge"><img src="/skins/common/images/magnify-clip.png" width="15" height="11" alt="" /></a></div><span class="texhtml">2 + 2</span></div></div></div>
+<div class="thumb tright"><div class="thumbinner" style="width:182px;"><a href="/wiki/File:Foobar.jpg" class="image"><img alt="" src="http://example.com/images/3/3a/Foobar.jpg" width="180" height="20" class="thumbimage" /></a> <div class="thumbcaption"><div class="magnify"><a href="/wiki/File:Foobar.jpg" class="internal" title="Enlarge"><img src="/skins/common/images/magnify-clip.png" width="15" height="11" alt="" /></a></div><span class="texhtml" dir="ltr">2 + 2</span></div></div></div>
!! end