On Tue, Nov 13, 2012 at 11:40 AM, Linus Torvalds
<torva...@linux-foundation.org> wrote:
> I have to wonder why you care? As far as I'm concerned, the only valid
> space is space, TAB and CR/LF.
> Anything else is *noise*, not space. What's the reason for even caring?

Btw, expanding the whitespace selection may actually be very
counter-productive. It is used primarily for things like removing
extraneous space at the end of lines etc, and for that, the current
selection of SPACE, TAB and LF/CR is the right thing to do.

Adding things like FF etc - that are *technically* whitespace, but
aren't the normal kind of silent whitespace - is potentially going to
change things too much. People might *want* a form-feed in their
messages, for all we know.

So I really object to changing things "just because". There's a reason
we do our own ctype.c: it avoids the crazy crap. It avoids the idiotic
localization issues, and it avoids the ambiguous cases.

So just let it be, unless you have some major real reason to actually
care about a real-world case. And if you do, please explain it. Don't
change things just because.

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