sakaiproject/sparsemapcontent — pull request #52 by thecarlhall (2012-04-10 03:26:05+00:00)
Title: KERN-2750 Backport the following functionality from sparse 1.4 or later:

* check structure and content using exists(..)
* don't delete structure; mark it deleted like content. this keeps erroneous updates from un-deleting stuff.