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在正常安装 jd_Wiki 组件后,点击其链接会出现以下错误: 

Fatal error: Cannot redeclare utf8_encodefn() (previously declared
 in d:\appserv\www\includes\utf8.php:22)
 in d:\appserv\www\components\com_jd-wiki\inc\utf8.php on line 22

require_once( $mosConfig_absolute_path . '/includes/utf8.php' );

require_once( $mosConfig_absolute_path . '/components/com_jd-wiki/inc/utf8.php' );