1. double click protection. 2. now when deleting a revision, the information is kept in the data base, the live revision of the item is set …
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1. double click protection.2. now when deleting a revision, the information is kept in the data base, the live revision of the item is set to null. in the future the necessary UI has to be implemented in order to let the professor set to live any revision he/she wants.
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