Larry Wall skribis 2005-04-15 15:38 (-0700):
> : Do \s and <?ws> match non-breaking whitespace, U+00A0?
That makes \s+ and \s*, and thus <?ws> very useless for anything but
trimming whitespace. For splitting (including word wrapping), it'd do
exactly the wrong thing.
> : \s is said (in S05) to match any unicode whitespace, but letting it
> : match NBSP and then using \s for splitting things is wrong, I think.
> Perhaps the default word split should not be based on \s then.
It'd have to.