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[Lawrence D'Oliveiro]

In message <slrnid0pgs.1028.usenet-nospam at guild.seebs.net>, Seebs wrote:

> The question is *why* diff has that option.
> 
> The answer is because whitespace changes (spaces to tabs, different
> tab stops, etcetera) are an extremely common failure mode, such that
> it's quite common for files to end up with unintentional whitespace
> changes.

Except the diff option is to *ignore* such differences, not highlight them.