Index: branches/unlabeled/unlabeled-1.155.2/core/kernel/application.php
===================================================================
diff -u -r5887 -r5897
--- branches/unlabeled/unlabeled-1.155.2/core/kernel/application.php	(.../application.php)	(revision 5887)
+++ branches/unlabeled/unlabeled-1.155.2/core/kernel/application.php	(.../application.php)	(revision 5897)
@@ -728,7 +728,7 @@
 	 */
 	function UseOutputCompression()
 	{
-		if (constOn('IS_INSTALL') || constOn('DBG_ZEND_PRESENT')) return false;
+		if (constOn('IS_INSTALL') || constOn('DBG_ZEND_PRESENT') || constOn('SKIP_OUT_COMPRESSION')) return false;
 		return $this->ConfigValue('UseOutputCompression') && function_exists('gzencode') && strstr($_SERVER['HTTP_ACCEPT_ENCODING'], 'gzip');
 	}