Kazunobu Kuriyama wrote:
> 2016-04-25 5:03 GMT+09:00 Bram Moolenaar <[email protected]>:
> > I do not see a clue why this would be different on OS/X.
>
> As the failure message above indicates, it looks the functions isalpha(),
> isalnum() and ispunct() of OS X accept a wider range of 8-bit characters as
> class members. In other words, in contrast to Linux, these functions don't
> assume the standard C locale to determine their behaviors.
>
> While Linux's man page talks about the C locale (
> http://linux.die.net/man/3/isalpha), OS X's man page doesn't mention about
> it (
> https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man3/isalpha.3.html
> ).
>
> Actually, when I ran the test like this:
>
> $ LC_CTYPE=C make test_alot_utf8
>
> then the test succeeded.
>
> So, I feel we need to add something like this to test_regexp_utf8.vim
> (please see the attached patch for details, because it contains a long
> string):
>
> if has('osx')
> lang ctype C
> endif
>
> But I'd rather like to wait for a day or two for someone with a better
> explanation and solution :-)
Well, that may fix the test, but the regexp behavior will still differ
between systems. I rather avoid that. Otherwise some plugins might
break on OS/X (and lots of people won't have a chance to try it out).
I wonder what generally the behavior of [[:alpha:]] is, include
non-ascii characters or not?
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