Ticket #22392: 22392.diff

wp-admin/js/postbox.js

@@ -105 +105 @@
 
                 save_state : function(page) {
                         var closed = $('.postbox').filter('.closed').map(function() { return this.id; }).get().join(','),
-                                hidden = $('.postbox').filter(':hidden').map(function() { return this.id; }).get().join(',');
+                                hidden = $('.hide-postbox-tog').not(':checked').map(function() { return this.value; }).get().join(',');
 
                         $.post(ajaxurl, {
                                 action: 'closed-postboxes',