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Re: Word Docs

From: Tim Hill <drtimhill_at_comcast.net>
Date: 2006-11-20 00:10:03 CET

Agreed. However, are Word documents compressed? xdelta does pretty
well with normal edited binary files. It doesn't do at all well with
compressed formats, for the reasons you note, and so OpenOffice stuff
takes a hit. Last time I looked, though, Word document were all
bloated, so I'd be surprised if they were compressed.

--Tim

On Nov 19, 2006, at 2:47 PM, Talden wrote:

> But it is very important to understand that it is diffing
> file-content, not document content. Being a binary file, changing
> only a few characters could change the entire file. Consider that
> changing a single bit can have flow-on effects in a compressed-stream
> or encrypted-stream.
>
> Though you'll get cheaper binaries in many cases with subversion it's
> going to do a lot better with types that represent localised
> differences in document-content with localised differences in
> file-content.
>
> a syntax-directed diffing mechanism would allow potentially
> significant gains but introduce an extreme cost in complexity that the
> majority of the Subversion user base wouldn't gain much benefit from.
>
> --
> Talden
>
> On 19/11/06, Tim Hill <drtimhill@comcast.net> wrote:
>> Delta. Subversion deltas all files: binary and text.
>>
>> --Tim
>>
>> On Nov 18, 2006, at 5:59 PM, Bryan D. Andrews wrote:
>>
>> > When you commit word docs does it save only the delta or does
>> > subversion
>> > commit a whole doc each time?
>> >
>> > Thanks.
>> >
>> >
>> >
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Received on Mon Nov 20 00:10:44 2006

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