--- loncom/homework/outputtags.pm	2010/02/24 12:14:45	1.57
+++ loncom/homework/outputtags.pm	2018/09/11 14:39:47	1.58.4.1
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # tags that create controlled output
 #
-# $Id: outputtags.pm,v 1.57 2010/02/24 12:14:45 foxr Exp $
+# $Id: outputtags.pm,v 1.58.4.1 2018/09/11 14:39:47 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -78,8 +78,8 @@ sub substitute_simple_tags_latex {
 
     # restore the <>'s:
 
-    $string =~ s/\\ensuremath{<}/</g;
-    $string =~ s/\\ensuremath{>}/>/g;
+    $string =~ s/\\ensuremath\{<}/</g;
+    $string =~ s/\\ensuremath\{>}/>/g;
 
 
     # Substitute the tags:
@@ -321,7 +321,7 @@ sub start_displaystudentphoto {
 	my $response=$ua->request($request);
 	if ($response->is_success) {
 	    my $file=$user."_".$domain."_studentphoto.eps";
-	    open(FILE,">".$Apache::lonnet::perlvar{'lonPrtDir'}."/$file");
+	    open(FILE,">",$Apache::lonnet::perlvar{'lonPrtDir'}."/$file");
 	    print FILE $response->content;
 	    close(FILE);
 	    my $width_param=&Apache::londefdef::image_size($Apache::lonnet::perlvar{'lonPrtDir'}."/$file",'0.3',$parstack,$safeeval);