--- loncom/homework/response.pm	2003/06/23 20:57:41	1.80
+++ loncom/homework/response.pm	2003/09/23 01:52:57	1.82.2.1
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # various response type definitons response definition
 #
-# $Id: response.pm,v 1.80 2003/06/23 20:57:41 albertel Exp $
+# $Id: response.pm,v 1.82.2.1 2003/09/23 01:52:57 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -93,10 +93,13 @@ sub setrandomnumber {
        $rndmod+=&Apache::lonnet::numval($Apache::inputtags::response[-1]);
     }
     if ($rndseed =~/,/) {
-	my ($num1,$num2)=split(/,/,$rndseed);
-	$num1+=$rndmod;
-	$num2+=$rndmod;
-	$rndseed="$num1,$num2";
+	{
+	    use integer;
+	    my ($num1,$num2)=split(/,/,$rndseed);
+	    $num1+=$rndmod;
+	    $num2+=$rndmod;
+	    $rndseed="$num1,$num2";
+	}
     } else {
 	$rndseed+=$rndmod;
     }
@@ -378,7 +381,7 @@ sub answer_part {
     my ($type,$answer) = @_;
     my $result;
     if ($ENV{'form.answer_output_mode'} eq 'tex') {
-	$result = ' '.$answer.'\\\\ \hline ';
+	$result = ' \verb|'.$answer.'|\\\\ \hline ';
     } else {
 	$result = '<td>'.$answer.'</td>';
     }
@@ -509,6 +512,14 @@ sub whichorder {
     return @whichopt;
 }
 
+sub show_answer {
+    my $part   = $Apache::inputtags::part;
+    my $award  = $Apache::lonhomework::history{"resource.$part.solved"};
+    my $status = $Apache::inputtags::status[-1];
+    return  ( ($award =~ /^correct/
+	       && lc($Apache::lonhomework::problemstatus) ne 'no')
+	      || $status eq "SHOW_ANSWER");
+}
 1;
 __END__