[ZDP] BackTalk to Document The Zope Book (2.6 Edition)/Sessions

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A comment to the paragraph below was recently added via http://zope.org/Documentation/Books/ZopeBook/2_6Edition/Sessions.stx#3-90

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      If you wish to add a add a different browser id manager anywhere
      in your Zope tree (for example, if you want to have two
      different virtual hosted sites that manage different browser
      ids), you may.  However, once you've instantiated one browser id
      manager or if you keep the default browser id manager, you will
      not be able to instantiate another browser id manager in a place
      where the new browser id manager can acquire the original
      browser id manager via its containment path (for programmers:
      the session id manager's class' Zope __replaceable__ property is
      set to UNIQUE).  This means, practically, that if you wish to
      have multiple browser id managers, you need to carefully think
      about where they should go, and then you'll need to *delete* the
      default root browser id manager, place new ones in the most
      deeply-nested containers first, working your way out towards the
      root.

        % Anonymous User - Mar. 3, 2004 3:17 pm:
         I was able to create additional ones without removing the root one (Zope 2.6.2)