MultiSearch view method was missing the session variable in the form code for the

Submit button.

International object creation cache caches session variable.  Since this code
is persistent, the session object would never undergo garbage creation and
would accumulate memory.

docs/changelog/7.x.x.txt

@@ -12,6 +12,7 @@
  - fix: Typo when trying to display pvt profile
  - Added an unsubscribe link to the messages generated by collaboration
    subscriptions per the laws in various countries.
+ - fix: MultiSearch
 
 7.0.1
  - fix: User profile field "Department" needs i18n 

lib/WebGUI/Asset/Wobject/MultiSearch.pm

@@ -132,7 +132,7 @@ sub view {
 	#Set some template variables
 	$var{'for'}    = $i18n->get('for');
 	$var{'search'} = $i18n->get('search');
-	$var{'submit'} = WebGUI::Form::Submit->new({name=>'SearchSubmit',value=>$i18n->get('submit','WebGUI')})->toHtml();
+	$var{'submit'} = WebGUI::Form::Submit->new($self->session, {name=>'SearchSubmit',value=>$i18n->get('submit','WebGUI')})->toHtml();
 
        	my $out = $self->processTemplate(\%var,undef,$self->{_viewTemplate});
 	if (!$self->session->var->isAdminOn && $self->get("cacheTimeout") > 10) {

lib/WebGUI/International.pm

@@ -232,13 +232,11 @@ Specify a default language. Defaults to user preference or "English".
 
 sub new {
 	my ($class, $session, $namespace, $language) = @_;
-	return $i18nCache{namespaces}{$namespace} if $i18nCache{namespaces}{$namespace};
 	my $self = bless( {
 		_session   => $session,
 		_namespace => $namespace,
 		_language  => ($language || $session->user->profileField('language')),
 	},$class);
-	$i18nCache{namespaces}{$namespace} = $self;
 	return $self;
 }