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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
That code is working. Probably something was fixed by itself during the long period.
Hm, I think I overkilled! I'll sort that out.
EDIT: I originally implemented that last test to sort out people who had copied from somewhere, but I havn't seen many of those, so I'll leave it.