> There are a lot of issues that come up with you consider
> converting documents from one machine-readable form to
> another. While it is commonly said that computers can make
> exact copies of originals, converted files often cannot
> be guaranteed to produce identical output. For example,
> audio file compression is designed to lose some
> information in the interest of efficiency. This
> information may have a neglible effect on the sound
> quality, but what results is not an exact copy of the
> original, pre-compressed file. A document that was
> produced in an early version of WordPerfect can be
> converted to Word 6.0, but the conversion will undoubtedly
> introduce differences.
> At what point has a different file been produced as it is
> converted through various generations of software?
Are those differences really substantively different than those involved in reprinting a book on a different paper size with different typeface?
Regards,
John
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