Thread:Extension talk:HideCategorizedOrphans/Hide categorized orphans in Mediawiki 1.22.2

I managed to do this on Mediawiki 1.22.2 patching includes/specials/SpecialLonelypages.php like this:

--- SpecialLonelypages.php.bk  2014-12-11 12:32:41.317347781 +0100 +++ SpecialLonelypages.php     2014-12-11 12:38:09.453218165 +0100 @@ -52,7 +52,7 @@               return array(                        'tables' => array( 'page', 'pagelinks', -                              'templatelinks' +                              'templatelinks', 'categorylinks' ),                       'fields' => array( 'namespace' => 'page_namespace', @@ -63,7 +63,8 @@                               'pl_namespace IS NULL', 'page_namespace' => MWNamespace::getContentNamespaces, 'page_is_redirect' => 0, -                              'tl_namespace IS NULL' +                              'tl_namespace IS NULL', +                              'cl_from IS NULL' ),                       'join_conds' => array( 'pagelinks' => array( @@ -77,7 +78,13 @@                                               'tl_namespace = page_namespace',                                                'tl_title = page_title'                                        ) +                              ), +                               'categorylinks' => array( +                                      'LEFT JOIN', array( +                                               'cl_from = page_id' +                                       ) ) +                       )                );        }