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diff --git a/rt/lib/RT/CachedGroupMembers_Overlay.pm b/rt/lib/RT/CachedGroupMembers_Overlay.pm
index fd0fd9055..452ac7377 100644
--- a/rt/lib/RT/CachedGroupMembers_Overlay.pm
+++ b/rt/lib/RT/CachedGroupMembers_Overlay.pm
@@ -1,26 +1,51 @@
-# BEGIN LICENSE BLOCK
-# 
-# Copyright (c) 1996-2003 Jesse Vincent <jesse@bestpractical.com>
-# 
-# (Except where explictly superceded by other copyright notices)
-# 
+# BEGIN BPS TAGGED BLOCK {{{
+#
+# COPYRIGHT:
+#
+# This software is Copyright (c) 1996-2011 Best Practical Solutions, LLC
+#                                          <sales@bestpractical.com>
+#
+# (Except where explicitly superseded by other copyright notices)
+#
+#
+# LICENSE:
+#
 # This work is made available to you under the terms of Version 2 of
 # the GNU General Public License. A copy of that license should have
 # been provided with this software, but in any event can be snarfed
 # from www.gnu.org.
-# 
+#
 # This work is distributed in the hope that it will be useful, but
 # WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 # General Public License for more details.
-# 
-# Unless otherwise specified, all modifications, corrections or
-# extensions to this work which alter its source code become the
-# property of Best Practical Solutions, LLC when submitted for
-# inclusion in the work.
-# 
-# 
-# END LICENSE BLOCK
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301 or visit their web page on the internet at
+# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html.
+#
+#
+# CONTRIBUTION SUBMISSION POLICY:
+#
+# (The following paragraph is not intended to limit the rights granted
+# to you to modify and distribute this software under the terms of
+# the GNU General Public License and is only of importance to you if
+# you choose to contribute your changes and enhancements to the
+# community by submitting them to Best Practical Solutions, LLC.)
+#
+# By intentionally submitting any modifications, corrections or
+# derivatives to this work, or any other work intended for use with
+# Request Tracker, to Best Practical Solutions, LLC, you confirm that
+# you are the copyright holder for those contributions and you grant
+# Best Practical Solutions,  LLC a nonexclusive, worldwide, irrevocable,
+# royalty-free, perpetual, license to use, copy, create derivative
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+# END BPS TAGGED BLOCK }}}
+
 =head1 NAME
 
   RT::CachedGroupMembers - a collection of RT::GroupMember objects
@@ -35,13 +60,11 @@
 =head1 METHODS
 
 
-=begin testing
 
-ok (require RT::CachedGroupMembers);
+=cut
 
-=end testing
 
-=cut
+package RT::CachedGroupMembers;
 
 use strict;
 no warnings qw(redefine);
@@ -51,7 +74,7 @@ no warnings qw(redefine);
 =head2 LimitToUsers
 
 Limits this search object to users who are members of this group
-This is really useful when you want to haave your UI seperate out
+This is really useful when you want to have your UI separate out
 groups from users for display purposes
 
 =cut
@@ -78,7 +101,7 @@ sub LimitToUsers {
 =head2 LimitToGroups
 
 Limits this search object to Groups who are members of this group
-This is really useful when you want to haave your UI seperate out
+This is really useful when you want to have your UI separate out
 groups from users for display purposes
 
 =cut
@@ -136,8 +159,10 @@ sub LimitToGroupsWithMember {
     my $self = shift;
     my $member = shift;
 
+    
+
     return ($self->Limit( 
-                         VALUE => $member,
+                         VALUE => $member || '0',
                          FIELD => 'MemberId',
                          ENTRYAGGREGATOR => 'OR',
 			            QUOTEVALUE => 0