--- loncom/homework/optionresponse.pm	2012/10/12 12:45:46	1.187
+++ loncom/homework/optionresponse.pm	2012/12/18 16:30:23	1.189
@@ -1,7 +1,7 @@
 # LearningOnline Network with CAPA
 # option list style responses
 #
-# $Id: optionresponse.pm,v 1.187 2012/10/12 12:45:46 raeburn Exp $
+# $Id: optionresponse.pm,v 1.189 2012/12/18 16:30:23 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -108,7 +108,11 @@ sub start_foilgroup {
     my $optionlist="<option></option>\n";
     my $option;
     my @opt;
-    eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval);
+    my @raw_options = &Apache::lonxml::get_param('options', $parstack, $safeeval, 0,  0, 1);
+
+
+    eval '@opt ='. &Apache::lonxml::get_param('options',$parstack,$safeeval, 0, 0, 1);
+
     my $count=1;
     foreach $option (@opt) {
       $optionlist.="<option value=\"$count\">$option</option>\n";
@@ -148,7 +152,10 @@ ENDTABLE
   if ($target eq 'modified') {
     my @options;
     my $optchanged=0;
-    eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval);
+
+
+    eval '@options ='.&Apache::lonxml::get_param('options',$parstack,$safeeval, 0, 0, 1);
+
     if ($env{"form.$Apache::lonxml::curdepth.deleteopt"}) {
       my $delopt=$env{"form.$Apache::lonxml::curdepth.deleteopt"};
       &Apache::lonxml::debug("Deleting :$delopt:");
@@ -492,8 +499,11 @@ sub check_for_invalid {
 sub displayfoils {
   my ($target,$max,$randomize,$TeXlayout,$checkboxvalue,$checkboxchoices,
       $tex_option_switch, $no_tfprompt, @opt)=@_;
-  if (!defined(@{ $Apache::response::foilgroup{'names'} })) {return;}
-  my @names = @{ $Apache::response::foilgroup{'names'} };
+  my @names; 
+  if (ref($Apache::response::foilgroup{'names'}) eq 'ARRAY') {
+      @names = @{ $Apache::response::foilgroup{'names'} };
+  }
+  unless (@names > 0) { return;}
   my @truelist;
   my @falselist;
   my $result;