Visitor view TOC of a public collection of a user having a private resource within a folder. Here, trans message is shown for that 'unavaible resoure' link.

As user1, Add a private resource in his public collection.
Add a folder in that public collection.
Click the private resource link.
Click Add link.
Place that private resource within that folder.

Now, as a visitor access that public collection of user1.

Expand the folder in the TOC.

Resource Unavailable is shown. Here, trans message is shown for this resource.

Refer screenshot.

http://beta.curriki.org/xwiki/bin/view/Coll_ashpee/13MarchCollectionstesting

http://current.dev.curriki.org/xwiki/bin/view/Coll_ashpee/181CollectionsMarch10?bc=