Ward Bell 4253378e66 docs(hierarchical-di): Correct avoidance example (#3086) and more (#3091)
* closes #3086
* samples reworked to conform to our sample style, make more sense, and cover the points in prose.
* copy edits to bring closer to Google docs standards.
2017-01-13 13:21:22 -08:00
..
2016-08-29 08:37:39 -07:00
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