[ZODB-Dev] Undo differences between Z2 and Z3

[Chris Withers]

Hi Jim,

Jim Fulton wrote:
> BTW, I strongly discourage use of Undo except in emergencies.
> Sadly, except when undoing the last (non-undo) transactions in
> a database can lead to inconsistency.

What sort of inconsistencies are you referring to?

Undo can be a very attractive feature although usually hamstrung by 
catalog tie-in with Zope 2. I was hoping to look at ways of getting back 
some of this functionality when it came to Zope 3...

cheers,

Chris

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