71c71
< 	$allblocks = '(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|map|area|blockquote|address|style|input|p|h[1-6]|hr)';
---
> 	$allblocks = '(?:table|thead|tfoot|caption|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|select|form|map|area|blockquote|address|math|style|input|p|h[1-6]|hr)';
102d100
<         $pee = preg_replace('!(<math.*?>)(.*?)</math>!ise', " stripslashes('$1') .  stripslashes(clean_pre('$2'))  . '</math>' ", $pee);