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Date: Mon, 25 Jun 2018 11:14:32 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Date field of ls -l command is garbled in latest cygwin1.dll snapshot.
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On Jun 24 18:34, Thomas Wolff wrote:
> Am 24.06.2018 um 00:32 schrieb Thomas Wolff:
> > Am 23.06.2018 um 20:46 schrieb Brian Inglis:
> > > On 2018-06-22 17:06, Takashi Yano wrote:
> > > > On Sat, 23 Jun 2018 05:39:27 +0900
> > > > Takashi Yano wrote:
> > > > > I looked into this problem, and found this is caused by incorrect
> > > > > return value of iswprint().
> > > > I have found the cause. That is, file categories.t is not correct.
> > > >=20
> > > > For example,
> > > > http://ftp.unicode.org/Public/UNIDATA/UnicodeData.txt says:
> > > >=20
> > > > 3400;<CJK Ideograph Extension A, First>;Lo;0;L;;;;;N;;;;;
> > > > 4DB5;<CJK Ideograph Extension A, Last>;Lo;0;L;;;;;N;;;;;
> > > > ...
> > > > 4E00;<CJK Ideograph, First>;Lo;0;L;;;;;N;;;;;
> > > > 9FEF;<CJK Ideograph, Last>;Lo;0;L;;;;;N;;;;;
> > > >=20
> > > > However, categories.t is:
> > > > =C2=A0=C2=A0=C2=A0=C2=A0 {CAT_Lo, 0x3400, 0},
> > > > =C2=A0=C2=A0=C2=A0=C2=A0 {CAT_Lo, 0x4DB5, 0},
> > > > ...
> > > > =C2=A0=C2=A0=C2=A0=C2=A0 {CAT_Lo, 0x4E00, 0},
> > > > =C2=A0=C2=A0=C2=A0=C2=A0 {CAT_Lo, 0x9FEA, 0},
> > > >=20
> > > > Therefore, the script mkcategories which generates categories.t
> > > > should be fixed.
> > Obviously. I will check why the script was failing here and thanks for
> > the patch already.
> Yeah, I totally failed to consider the First...Last ranges in this script,
> how embarassing.
> I would have chosen other markers than 0/1 for the two cases (maybe
> "firstlast" for the new one), and not put it in the middle, but you fixed=
 it
> anyway; except for the Private Use ranges E000..F8FF, F0000..FFFFD,
> 100000..10FFFD, but their category Co isn't used anyway.
> I suggest you submit your patch directly to cygwin-patches AT cygwin DOT com.

In theory this belongs to newlib AT sourceware DOT org since it only
affects newlib code, and the non-Cygwin newlib guys would probably like
to see these patches as well :)

> One
> issue, though:
> Apparently, you used a Unicode version other than 10.0 as a reference,
> probably 11.0. Maybe the fixing patch should be based on the same version,
> for better clarity and to reduce the diff (fewer changes in categories.t =
and
> none in caseconv.t).

Takashi, does your patch on cygwin-patches take this into account?

I think Thomas has a good point here, the generated files should
always match a single version.


Thanks,
Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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