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But immediately I was in the making sure it became an impediment on the way to making sure , it disturbed the equilibrium . I have looked at some other repositories and noticed that some archives differ from the " standard " formatting for authors and dates ( other fields are n't quite a simple ) , will validation check that a repository does something sensible with its data for Dublin Core as well as making sure it passes an XML validator ? The whole thing looked too much like someone making sure they had an alibi .