OpenKM has many interesting features, but requires some configuration process to show its full potential.
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Sorry, I meant in the sense of adding things to it such as adding a "Locked Documents" tab in the "General" part of dashboard so ALL users can see ALL locked documents.
I you want this kind of feature should be implemented in new tab. A list of all documents locked into a repository could be really large ... here we will come into filtering and pagination ... etc... this kind of feature is better be implemented in other panel.