Index: functions/date.php
===================================================================
--- functions/date.php
+++ functions/date.php	2018-07-31 18:13:06.255390988 +0200
@@ -87,7 +87,7 @@
     }
     $hh = substr($tzc,1,2);
     $mm = substr($tzc,3,2);
-    $iTzc = ($hh * 60 + $mm) * 60;
+    $iTzc = (intval($hh) * 60 + intval($mm)) * 60;
     if ($neg) $iTzc = -1 * (int) $iTzc;
     /* stamp in gmt */
     $stamp -= $iTzc;
Index: functions/global.php
===================================================================
--- functions/global.php
+++ functions/global.php	2018-07-31 18:11:21.665389629 +0200
@@ -451,7 +451,9 @@
  */

 function sqsession_is_active() {
-    sqsession_start();
+	if (session_status() === PHP_SESSION_NONE){
+		sqsession_start();
+	}
 }

 /**
Index: functions/mime.php
===================================================================
--- functions/mime.php
+++ functions/mime.php	2018-07-31 18:17:41.665394567 +0200
@@ -2346,7 +2346,12 @@
             "frame",
             "iframe",
             "plaintext",
-            "marquee",
+						"marquee",
+				    'animate',
+	    'form',
+	    'math',
+	    'param',
+
             );

     $rm_tags_with_content = Array(