[Post] Call for Chart Keyboard Navigation Standards

[julianna-langston]

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Charts are becoming more interactive for mouse users, but there's no defined standard for what the keyboard equivalents should be. What's left is charting libraries coming up with their own interactions, and everyone's is wildly different.

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1. We want keyboard interactions for charts, but there's no standard
2. How different libraries are solving the problem
3. Questions that a standard should be able to answer

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