[Jim]
> OK, then I'll just delete ZODB, persistent and BTrees from the Z3
> repository.
>
> ...
>
> done.
Thanks! That appear to cure all my Zope3-on-Windows checkout and update
woes (starting from another fresh checkout, anyway).
BTW, I checked in a fix for the other issue while I was at it ("zodb/zeo"
package name weirdness in zeo/schema.xml).