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http://www.openoffice.org/issues/show_bug.cgi?id=102081





------- Additional comments from de_log...@openoffice.org Wed May 20 12:05:34 
+0000 2009 -------
Yeah...also if you've checked the 'save new version every time' box, this file
sizes can reach 100MB with ease.


The obvious solution to this will be appending the changes to the file without
moving/recreating/replacing the whole file which is not possible without
removing application of the zip compression applied here.

I think creating an uncompressed backup file at the same place as the master
document while the document is open will create a solution, appending the
changes to backup file, then compressing and then replacing the master file
without removing the backup file (which will be amended to its latest state)
thus ensuring no data loss.

This bug also account for extremely long saves which can be cut down by just
appending the backup document, which will be done in a flash. Then allowing the
user to work on the document while the backup file is being compressed to a new
zip file in the background.

This will also allow more powerful, efficient but time consuming algorithms to
be used for compression...like PAQ, which can reduce MBs into a few KBs yet
without any data loss/delay in work.


Custom compression levels can also be applied this way.

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