--- rat/lonwrapper.pm	2019/05/02 02:12:31	1.69
+++ rat/lonwrapper.pm	2020/01/14 14:26:39	1.70
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Wrapper for external and binary files as standalone resources
 #
-# $Id: lonwrapper.pm,v 1.69 2019/05/02 02:12:31 raeburn Exp $
+# $Id: lonwrapper.pm,v 1.70 2020/01/14 14:26:39 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -167,9 +167,9 @@ sub wrapper {
                 $output .= <<"ENDLINK";
 <script type="text/javascript">
 // <![CDATA[
-var windowObjectReference = null; 
-var PreviousUrl; 
-                           
+var windowObjectReference = null;
+var PreviousUrl;
+
 function openSinglePopup(strUrl) {
     if (windowObjectReference == null || windowObjectReference.closed) {
         windowObjectReference = window.open(strUrl, "LCExternalToolPopUp",
@@ -294,7 +294,7 @@ sub handler {
         s|^/adm/wrapper||;
         $is_ext = $_ =~ s|^/ext/|http://|;         
         s|http://https://|https://|;
-        s|&colon;|:|g;              
+        s|&colon;|:|g;
     }
 
     if ($url =~ /\.pdf$/i) {
@@ -318,10 +318,10 @@ sub handler {
             $width = $toolhash{'width'};
             $height = $toolhash{'height'};
         } elsif ($toolhash{'target'} eq 'tab') {
-            $exttool = 'tab'; 
+            $exttool = 'tab';
         }
         if (($exttool eq 'window') || ($exttool eq 'tab')) {
-            $linktext = $toolhash{'linktext'}; 
+            $linktext = $toolhash{'linktext'};
             $explanation = $toolhash{'explanation'};
         } elsif (($exttoolremote =~ /^http:/) && ($ENV{'SERVER_PORT'} == 443)) {
             $exttool = 'tab';