On Wed, Oct 23, 2019 at 7:17 PM David Mertz <mertz@gnosis.cx> wrote:
Contains any of the following (non-escaped) characters. If they occur inside quotes, it seems straightforward, but in this new '%w[]' thing, who knows?

U+00A0 NO-BREAK SPACE foo bar As a space, but often not adjusted
U+1680 OGHAM SPACE MARK foo bar Unspecified; usually not really a space but a dash
U+2000 EN QUAD foo bar 1 en (= 1/2 em)

To be fair, I also don't know which of those split on str.split() with no arguments to the method either.

Keeping medicines from the bloodstreams of the sick; food
from the bellies of the hungry; books from the hands of the
uneducated; technology from the underdeveloped; and putting
advocates of freedom in prisons.  Intellectual property is
to the 21st century what the slave trade was to the 16th.