Revert "bug #17052 [2.7] Fixed flatten exception recursion with errors (GrahamCampbell)"

This reverts commit af3f4eaa2b37bca77274b670e96a695f3e46c4e5, reversing
changes made to 021ab8a7b35cac053442124e04cd87e2e1ef43cd.

ExceptionHandler.php

@@ -141,7 +141,7 @@ class ExceptionHandler
                     $ind = $count - $position + 1;
                     $class = $this->abbrClass($e['class']);
                     $message = nl2br(htmlspecialchars($e['message'], $flags, $this->charset));
-                    $content .= sprintf(<<<'EOF'
+                    $content .= sprintf(<<<EOF
                         <div class="block_exception clear_fix">
                             <h2><span>%d/%d</span> %s: %s</h2>
                         </div>
@@ -196,7 +196,7 @@ EOF;
      */
     public function getStylesheet(FlattenException $exception)
     {
-        return <<<'EOF'
+        return <<<EOF
             .sf-reset { font: 11px Verdana, Arial, sans-serif; color: #333 }
             .sf-reset .clear { clear:both; height:0; font-size:0; line-height:0; }
             .sf-reset .clear_fix:after { display:block; height:0; clear:both; visibility:hidden; }

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2004-2016 Fabien Potencier
+Copyright (c) 2004-2015 Fabien Potencier
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal