tinymce linebreaks, I fix it, somebody breaks it, I fix it, somebody breaks it. Repeat.

include/text.php

@@ -1578,7 +1578,7 @@ function undo_post_tagging($s) {
 
 function fix_mce_lf($s) {
 	$s = str_replace("\r\n","\n",$s);
-	$s = str_replace("\n\n","\n",$s);
+//	$s = str_replace("\n\n","\n",$s);
 	return $s;
 }