How 2.5.2 and 2.5.3 works in regard of corruptions ?

[jda]

>  > In the last two days I've had two users send me large database that
>>  have "segment" damage. In both cases I couldn't open them or repair
>>  them with .clone.  They were created with older versions of Valentina
>>  -- the one I saved is pre-2.5. But I had hoped 2.5.3 would repair it.
>>  Would you like me to upload it to my iDisk?
>
>But repair cannot happens automatically.
>

I don't understand. I try to .clone the db -> crash. Shouldn't it 
repair the database?

Jon