--- loncom/interface/londocs.pm	2017/12/29 15:11:18	1.647
+++ loncom/interface/londocs.pm	2017/12/29 15:55:21	1.648
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.647 2017/12/29 15:11:18 raeburn Exp $
+# $Id: londocs.pm,v 1.648 2017/12/29 15:55:21 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -677,7 +677,9 @@ sub group_import {
                     $toolhash{$item} = &unescape($toolhash{$item});
                 }
                 if ($folder =~ /^supplemental/) {
-                    delete($toolhash{'gradable'}); 
+                    delete($toolhash{'gradable'});
+                } else {
+                    $toolhash{'gradable'} =~ s/\D+//g;
                 }
                 if (ref($ltitoolsref) eq 'HASH') {
                     if (ref($ltitoolsref->{$toolid}) eq 'HASH') {
@@ -768,13 +770,19 @@ sub group_import {
                         }
                         my $changegradable;
                         if (($residx) && ($folder =~ /^default/)) {
-                            if (exists($toolsettings{'gradable'})) {
-                                if (!exists($toolhash{'gradable'})) {
+                            if ($toolsettings{'gradable'}) {
+                                unless (($toolhash{'gradable'}) || (defined($LONCAPA::map::zombies[$residx]))) {
                                     push(@deleted,'gradable');
                                     $changegradable = 1;
                                 }
-                            } elsif (exists($toolhash{'gradable'})) {
+                            } elsif ($toolhash{'gradable'}) {
+                                $changegradable = 1;
+                            }
+                            if (($caller eq 'londocs') && (defined($LONCAPA::map::zombies[$residx]))) {
                                 $changegradable = 1;
+                                if ($toolsettings{'gradable'}) {
+                                    $toolhash{'gradable'} = 1;
+                                }
                             }
                         }
                         my $putres = &Apache::lonnet::put('exttool_'.$marker,\%toolhash,$coursedom,$coursenum);
@@ -1892,7 +1900,7 @@ sub do_paste_from_buffer {
         }
         if ($url=~ m{/(bulletinboard|smppg|ext\.tool)$}) {
             my $prefix = $1;
-            my $fromothercrs; 
+            my $fromothercrs;
             #need to copy the db contents to a new one, unless this is a move.
             my %info = (
                          src  => $url,