Show pagesourceOld revisionsBacklinksAdd to bookBack to top Share via Share via... Twitter LinkedIn Facebook Pinterest Telegram WhatsApp Yammer RedditRecent ChangesSend via e-MailPrintPermalink × Book Creator Add this page to your book Book Creator Remove this page from your book Manage book(0 page(s)) Help Extensions An extension is supplemental plugin to the system or to a package in the system which provides additional functionality. extensions.txt Last modified: 2022/04/30 01:17by 127.0.0.1