設置ミスでもなんでもなくPHP5.2.5で発生する問題。下記patchを適用にて修正。
--Index: new.inc.php =================================================================== RCS file: /cvsroot/pukiwiki/pukiwiki/plugin/new.inc.php,v retrieving revision 1.9 diff -u -r1.9 new.inc.php --- new.inc.php 16 Jun 2005 15:04:08 -0000 1.9 +++ new.inc.php 5 Nov 2005 14:34:15 -0000 @@ -34,8 +34,12 @@ // Show 'New!' message by the time of the $date string if (func_num_args() > 2) return '&new([nodate]){date};'; - $timestamp = strtotime($date); - if ($timestamp === -1) return '&new([nodate]) {date}: Invalid date string;'; + $timestamp = strtotime(preg_replace('/\([^\x00-\x7F] +\)/','',$date)); + if(version_compare(phpversion(),'5.1')<0){ + if ($timestamp === -1) return '&new([nodate]) {date}: Invalid date string;'; + }else{ + if ($timestamp === FALSE) return '&new([nodate]) {date}: Invalid date string;'; + } $timestamp -= ZONETIME; $retval = in_array('nodate', $args) ? '' : htmlspecialchars ($date);