[ZODB-Dev] Updating ZEO cache file magic number to get rid of version info

[Jim Fulton]

I'm studying the ZEO cache-file implementation.  I'd like to remove  
version support from the trunk. Would anyone object if I changed the  
magic number on the trunk (3.9) to reflect that cache data records no- 
longer contain version information? This would mean that persistent  
cache files created with 3.8 and earlier wouldn't work with 3.9.

Jim

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Jim Fulton
Zope Corporation