DOC: Document array_function at a higher level.#14058

Merged

rgommers merged 6 commits intonumpy:maintenance/1.16.xfrom

charris:backport-13979

Jul 18, 2019

Commits on Jul 18, 2019

Add __array_function__ to user reference.

danielballan
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charris
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rephrase

danielballan
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charris
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Add new section of custom array containers.

danielballan
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charris
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Restore old intro, add note at top.

danielballan
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charris
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Copy editing

danielballan
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charris
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Improve illustartion of unsupported args.

danielballan
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charris
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