--- loncom/interface/loncommon.pm	2005/11/15 15:52:51	1.290
+++ loncom/interface/loncommon.pm	2005/11/15 18:07:46	1.292
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.290 2005/11/15 15:52:51 albertel Exp $
+# $Id: loncommon.pm,v 1.292 2005/11/15 18:07:46 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3128,7 +3128,7 @@ sub get_course_users {
         my $now = time;
         foreach my $student (keys(%{$classlist})) {
             my $match = 0;
-            if (ref($sections) eq 'ARRAY') && (@{$sections} > 0) {
+            if ((ref($sections) eq 'ARRAY') && (@{$sections} > 0)) {
 		unless(grep(/^\Q$$classlist{$student}[$idx{section}]\E$/,
 			    @{$sections})) {
 		    next;
@@ -3207,8 +3207,8 @@ sub get_user_info {
     my ($udom,$uname,$idx,$userdata) = @_;
     $$userdata{$uname.':'.$udom}[$$idx{fullname}] = 
 	&plainname($uname,$udom,'lastname');
-    $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname
-    $$userdata{$uname.':'.$udom}[$$idx{uname}] = $udom
+    $$userdata{$uname.':'.$udom}[$$idx{uname}] = $uname;
+    $$userdata{$uname.':'.$udom}[$$idx{uname}] = $udom;
     return;
 }
 
@@ -3350,6 +3350,7 @@ sub no_cache {
 
 sub content_type {
     my ($r,$type,$charset) = @_;
+    &no_cache($r);
     if ($env{'browser.mathml'} && $type eq 'text/html') { $type='text/xml'; }
     unless ($charset) {
 	$charset=&Apache::lonlocal::current_encoding;