--- loncom/xml/run.pm	2008/09/11 14:47:24	1.59
+++ loncom/xml/run.pm	2012/12/18 18:27:43	1.61
@@ -1,6 +1,6 @@
 package Apache::run;
 #
-# $Id: run.pm,v 1.59 2008/09/11 14:47:24 bisitz Exp $
+# $Id: run.pm,v 1.61 2012/12/18 18:27:43 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -168,11 +168,11 @@ sub dump {
 		    $line.='$'.$symname.'='.$safeeval->reval('$'.$symname)."\n";
 		}
 	    }	
-	    if ($safeeval->reval('defined(@'.$symname.')')) {
+	    if ($safeeval->reval('@'.$symname)) {
 		$line.='@'.$symname.'=('.
 		    $safeeval->reval('join(",",@'.$symname.')').")"."\n";
 	    }
-	    if ($safeeval->reval('defined(%'.$symname.')')) {
+	    if ($safeeval->reval('%'.$symname)) {
 		$line.='%'.$symname.'=(';
 		$line.=$safeeval->reval('join(",",map { $_."=>".$'.
 					$symname.'{$_} } sort keys %'.
@@ -191,3 +191,29 @@ sub dump {
 
 1;
 __END__;
+
+=pod
+
+=head1 NAME
+
+Apache::run.pm
+
+=head1 SYNOPSIS
+
+Used to prevent poorly written problems from
+causing lingering after effects
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+
+=head1 NOTABLE SUBROUTINES
+
+=over
+
+=item run(), dump(), evaluate()
+
+=back
+
+=cut
+