tree ab3aebf517ab4b92abca2d61046da8ddb269db15
parent d89deb79d36eefa5d7f4b5f6b2526ed7937ff3ec
author xster <xiao@xster.net> 1521678405 -0700
committer GitHub <noreply@github.com> 1521678405 -0700
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Add more docs and examples for implementers of RenderSliver (#15419)

* Add more docs and examples for implementers of RenderSliver

* add more typical scenarios to describe scrollOffset

* review

* tweak a word