--- loncom/homework/default_homework.lcpm	2001/10/29 21:15:44	1.39
+++ loncom/homework/default_homework.lcpm	2001/11/27 14:57:54	1.40
@@ -101,22 +101,24 @@ sub get_array_args {
   # do these first, because who knows what varname the instructor might have used
   # but it probably isn't $CAPARESPONSE_CHECK_LIST_answer
   my $CAPARESPONSE_CHECK_LIST_answer = eval $expr.';return $'.$arg; #'
+  my $GET_ARRAY_ARGS_result;
+  my @GET_ARRAY_ARGS_list;
   if ($CAPARESPONSE_CHECK_LIST_answer =~ /^\s*[\$\@]/) {
-    my (@list) = eval $CAPARESPONSE_CHECK_LIST_answer;
+    (@GET_ARRAY_ARGS_list) = eval $CAPARESPONSE_CHECK_LIST_answer;
   }
-  my $result='';
-  $result.="error:$@:<br />";
+  $GET_ARRAY_ARGS_result.="error:$@:<br />";
   # if the eval fails just use what is in the answer exactly
-  if (!defined(@list) || !defined($list[0])) {
-    $result.="list zero is undefined<br />";
-    $list[0]=$CAPARESPONSE_CHECK_LIST_answer;
+  if (!defined(@GET_ARRAY_ARGS_list) || !defined($GET_ARRAY_ARGS_list[0])) {
+    $GET_ARRAY_ARGS_result.="list zero is undefined<br />";
+    $GET_ARRAY_ARGS_list[0]=$CAPARESPONSE_CHECK_LIST_answer;
   }
-  return @list;
+  return $GET_ARRAY_ARGS_result,@GET_ARRAY_ARGS_list;
 }
 
 sub caparesponse_check_list {
   my ($response,$expr)=@_;
-  my (@list) = &get_array_args($expr,'answer');
+  my $result;
+  my ($result,@list) = &get_array_args($expr,'answer');
   my $aresult='';
   my $current_answer;
   my $answers=join(':',@list);