Fill ressource (yes, double s) in the search field right below the Tiki logo and click Go
Pay attention carefully!
First you see the listpages with 2 pages listed and the message « Found "ressource" in 2 pages. »
So far, so good but it does not stay long and then you get the table to be reloaded with all pages in the list.
The message « Found "ressource" in 2 pages. » stays there ironically.
Which you can confirm here: tiki-admin.php?page=features&cookietab=2&highlight=feature_jquery_tablesorter