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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.
okay, it seems that the translator fixed the original translation, but this has no effect on the kata. i guess this is the reason for the useless double use of
Math.abs()
I cannot approve yet, the author is active :(
gotta wait 7 days...