--- loncom/xml/run.pm	2004/07/13 19:12:46	1.47
+++ loncom/xml/run.pm	2005/02/26 06:10:30	1.50
@@ -1,6 +1,6 @@
 package Apache::run;
 #
-# $Id: run.pm,v 1.47 2004/07/13 19:12:46 albertel Exp $
+# $Id: run.pm,v 1.50 2005/02/26 06:10:30 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -48,23 +48,23 @@ while (!$_LONCAPA_INTERNAL_oldexpression
                 (?=[^\[\{\(]|$)/
 		 my ($__LC__a,$__LC__b,$__LC__c)=($1,$2,$3);
 		 my $__LC__prefix;
-		 my $result;
+		 my $__LC__result;
 		 while (1) {
 		     { 
 			 use strict;
 			 no strict "vars";
 			 if (eval(defined(eval($__LC__a.$__LC__b)))) {
-			     $result= $__LC__prefix.eval($__LC__a.$__LC__b.$__LC__c);
+			     $__LC__result= $__LC__prefix.eval($__LC__a.$__LC__b.$__LC__c);
 			     last;
 			 }
 		     }
 		     $__LC__prefix.=substr($__LC__a,0,1,"");
 		     if ($__LC__a!~m-^(\$|&|\#)-) { last; }
 		 }
-		 if (!defined($result)) {
-		     $result=$__LC__prefix.$__LC__a.$__LC__b.$__LC__c;
+		 if (!defined($__LC__result)) {
+		     $__LC__result=$__LC__prefix.$__LC__a.$__LC__b.$__LC__c;
 		 }
-		 $result;
+		 $__LC__result;
                   /sexg;
     if (scalar(values(%_LONCAPA_INTERNAL_oldexpressions))>10) {last;}
 }
@@ -82,7 +82,6 @@ sub evaluate {
 	die("timeout");
     };
     my $innererror;
-    $safeeval->permit("require");
     eval {
 	alarm($Apache::lonnet::perlvar{'lonScriptTimeout'});
 	$safeeval->reval('{'.$decls.';$_=<<\'EXPRESSION\';'."\n".$expression.
@@ -90,7 +89,6 @@ sub evaluate {
 	$innererror=$@;
 	alarm(0);
     };
-    $safeeval->deny("require");
     my $error=$@;
     if ($error eq '' && $innererror eq '' && !$Apache::run::timeout) {
 	$result = $safeeval->reval('return $_;');
@@ -162,19 +160,25 @@ sub dump {
 	if (($symname!~/^\_/) && ($symname!~/\:$/)) {
 	    my $line;
 	    if ($safeeval->reval('defined($'.$symname.')')) {
-		$line='$'.$symname.'='.$safeeval->reval('$'.$symname);
+		if ($symname =~ /^\w/) {
+		    $line.='$'.$symname.'='.$safeeval->reval('$'.$symname)."\n";
+		}
 	    }	
 	    if ($safeeval->reval('defined(@'.$symname.')')) {
-		$line='@'.$symname.'=('.
-		    $safeeval->reval('join(",",@'.$symname.')').")";
+		$line.='@'.$symname.'=('.
+		    $safeeval->reval('join(",",@'.$symname.')').")"."\n";
 	    }
 	    if ($safeeval->reval('defined(%'.$symname.')')) {
-		$line='%'.$symname.'=(';
+		$line.='%'.$symname.'=(';
 		$line.=$safeeval->reval('join(",",map { $_."=>".$'.
 					$symname.'{$_} } sort keys %'.
-					$symname.')').")"
+					$symname.')').")"."\n"
 				    }
-	    if ($line ne '') {$dump.=&HTML::Entities::encode($line,'<>&"')."<br />";}
+	    if ($line ne '') {
+		$line=&HTML::Entities::encode($line,'<>&"');
+		$line=~s|\n|<br />|;
+		$dump.=$line;
+	    }
 	}
     }
     $dump.='';