> I just took a close look at the COMP_CRC64 macro in xlog.c.
> This isn't a 64-bit CRC. It's two independent 32-bit CRCs, one done
> on just the odd-numbered bytes and one on just the even-numbered bytes
> of the datastream. That's hardly any stronger than a single
> 32-bit CRC;
> it's certainly not what I thought we had agreed to implement.
Hmm, strange. I thought that we had agreed upon a 32 bit CRC
on the grounds, that it would be strong enough to guard a single
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