--- loncom/xml/lonxml.pm	2013/12/03 16:39:47	1.545
+++ loncom/xml/lonxml.pm	2014/06/21 20:56:40	1.547
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # XML Parser Module 
 #
-# $Id: lonxml.pm,v 1.545 2013/12/03 16:39:47 bisitz Exp $
+# $Id: lonxml.pm,v 1.547 2014/06/21 20:56:40 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -306,8 +306,12 @@ sub xmlparse {
  &clean_safespace($safeeval);
 
  if (@script_var_displays) {
-     my $scriptoutput = join('',@script_var_displays);
-     $finaloutput=~s{(</body>\s*</html>)\s*$}{$scriptoutput$1}s;
+     if ($finaloutput =~ m{</body>\s*</html>\s*$}s) {
+         my $scriptoutput = join('',@script_var_displays);
+         $finaloutput=~s{(</body>\s*</html>)\s*$}{$scriptoutput$1}s;
+     } else {
+         $finaloutput .= join('',@script_var_displays);
+     }
      undef(@script_var_displays);
  }
  &init_state();
@@ -1359,7 +1363,9 @@ sub do_registered_ssi {
 
 sub add_script_result {
     my ($display) = @_;
-    push(@script_var_displays, $display);
+    if ($display ne '') {
+        push(@script_var_displays, $display);
+    }
 }
 
 #
@@ -1569,7 +1575,11 @@ FULLPAGE
       $add_to_onresize = "resize_textarea('$textarea_id','LC_aftertextarea');";
 
       if ($filetype eq 'html') {
-	  $xml_help=&Apache::loncommon::helpLatexCheatsheet();
+          my $not_author;
+          if ($uri =~ m{^/uploaded/}) {
+              $not_author = 1;
+          }
+	  $xml_help=&Apache::loncommon::helpLatexCheatsheet(undef,undef,$not_author);
       }
 
       my $titledisplay=&display_title();
@@ -1593,6 +1603,10 @@ FULLPAGE
               }
           }
       }
+      my $undo;
+      unless ($uri =~ m{^/uploaded/}) {
+          $undo = '<input type="submit" name="Undo" accesskey="u" value="'.$lt{'un'}.'" />'."\n";
+      }
       my $editfooter=(<<ENDFOOTER);
 $initialize
 <a name="editsection" />
@@ -1606,8 +1620,7 @@ $initialize
     </table>
     <div class="LC_edit_problem_discards">
       <input type="submit" name="discardview" accesskey="d" value="$lt{'dv'}" />
-      <input type="submit" name="Undo" accesskey="u" value="$lt{'un'}" />
-      $htmlerror $deps_button $dragmath_button
+      $undo $htmlerror $deps_button $dragmath_button
     </div>
     <div class="LC_edit_problem_saves">
       <input type="submit" name="savethisfile" accesskey="s" value="$lt{'st'}" />