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A user might want to explicitly share a folder or files with a specified set of groups or individual users, deciding along the way whether these others should only be able to view the shared content, or also be allowed to edit it. A site containing these users shouldn't need to be a prerequisite.
"Smart" Page Navigator
Allow users to break up long lists of items into pages. They should be able to decide if they want paging and how many per page.
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