Description:
------------
If I coment line witch string, who include '?>' script crashed (Sorry tor my english)

Reproduce code:
---------------
<?php //1
                                                                                                                             
//print highlight_string('<?php if(foo) ?>');
                                                                                                                             
?>
<?php //2
                                                                                                                             if($foo){
//print highlight_string('<?php if(foo) ?>');
                                                                                                                             }
?>//line 5


Expected result:
----------------
1: Script: OK; data: bad
2: Script: Error

Actual result:
--------------
1: ');

2: Parse error: parse error in /var/www/html/97.php on line 6
2: Unexpected end file