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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.
Cheers ^^
wthit56 improved the description. So I think after 2 years this issue could be closed.
The fact that the argument is optional was only mentioned in the docbloc of the getSerie() function, now it is also in the description.
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I've added an example for each value type, which should make things clearer.
When a function is "multiplied", it should create a new function. That function could be called with a context, and arguments. This context and any arguments should be given directly to the original function that was multiplied. The example should make this clearer, but do let me know if not.