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List:       koffice
Subject:    Re: portability
From:       "Shaheed Haque" <shaheedhaque () hotmail ! com>
Date:       2000-07-01 16:27:26
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Hi Thomas,

>How do we handle portability of old docs if a change is made in the
>file structure? Since we are not even beta yet..

IMHO, until we ship koffice 1.0, we should not worry too much. For example, 
I recently had to change the way '&' characters are stored in order to make 
it possible for filters to import such characters. There is a pending 
problem for '"' - I have not yet worked out the problem there, but it might 
require a similar fix.

After 1.0 ships, I think the version number recently introduced will have to 
be bumped for each *incompatible* change - and the code should support older 
syntax too. We will never be able to make someone's old data unusable!

>Some values from the frameset are really frame specific, therefor I moved 
>them.
>Problem is that old format xml files now give errors because the variables 
>are
>not found at the frame (and are ignored at the frameset)
>
>While a hack to preserve backward compatibility is possible I believe that
>at this point of development it won't be needed.
>
>All current files will lose information like header and footer, or must be 
>run
>through a simple filter.
>
>Anyone has a different opinion?

Not me!
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