[Checkins] [zopefoundation/Zope] eeda43: Improve formatting [ci skip]

[Jürgen Gmach]

  Branch: refs/heads/update-zcatalog-docu
  Home:   https://github.com/zopefoundation/Zope
  Commit: eeda432c2bfadb3fd416f8656bd2042610626e23
      https://github.com/zopefoundation/Zope/commit/eeda432c2bfadb3fd416f8656bd2042610626e23
  Author: Jürgen Gmach <juergen.gmach at googlemail.com>
  Date:   2019-12-03 (Tue, 03 Dec 2019)

  Changed paths:
    M docs/zopebook/SearchingZCatalog.rst

  Log Message:
  -----------
  Improve formatting [ci skip]

Also fix typos, re-arrange text, delete references to very old Zope
versions.

modified:   docs/zopebook/SearchingZCatalog.rst