[Checkins] [zopefoundation/Zope] 900021: - clean up and expand

[Jens Vagelpohl]

  Branch: refs/heads/dwt-better-session-documentation
  Home:   https://github.com/zopefoundation/Zope
  Commit: 9000213513f0bf732ebd2d7ed288fabed665a9fc
      https://github.com/zopefoundation/Zope/commit/9000213513f0bf732ebd2d7ed288fabed665a9fc
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2020-08-21 (Fri, 21 Aug 2020)

  Changed paths:
    M docs/migrations/zope4/removed.rst

  Log Message:
  -----------
  - clean up and expand