GNU bug report logs - #4151
non-utf locale leads to errors in `decode-coding-region' (dired)

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Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: David Reitter <david.reitter <at> gmail.com>
To: Bug-Gnu-Emacs <bug-gnu-emacs <at> gnu.org>
Subject: non-utf locale leads to errors in `decode-coding-region' (dired)
Date: Sat, 15 Aug 2009 08:10:32 -0400

With

export LANG=de_DE.ISO8859-15

on a Mac (NS port), and a directory that contains a folder named  
"Tätää"(i.e. a German umlaut), viewing the directory with `dired'  
fails with an error message.  The trace is below.

The bugs here are
1. `decode-coding-region' signals an error (it is not documented to do  
so)
2. with this locale, "ls -la" will not output utf-8-nfd, even though  
it seems that we expect this.




Debugger entered--Lisp error: (wrong-type-argument wholenump nil)
  decode-coding-region(1 8177 utf-8-nfd)
  insert-directory("/Users/dr/" "-al" nil t)
  dired-insert-directory("/Users/dr/" "-al" nil nil t)
  dired-readin-insert()
  dired-readin()
  dired-internal-noselect("~/" nil)
  dired-noselect("~/")
  run-hook-with-args-until-success(dired-noselect "~/")
  find-file-noselect("~/" nil nil t)

Message #10 received at 4151 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: David Reitter <david.reitter <at> gmail.com>, 4151 <at> debbugs.gnu.org
Subject: Re: bug#4151: non-utf locale leads to errors in `decode-coding-region'	(dired)
Date: Sat, 15 Aug 2009 16:33:08 +0300

> From: David Reitter <david.reitter <at> gmail.com>
> Date: Sat, 15 Aug 2009 08:10:32 -0400
> Cc: 
> 
> With
> 
> export LANG=de_DE.ISO8859-15
> 
> on a Mac (NS port), and a directory that contains a folder named  
> "Tätää"(i.e. a German umlaut), viewing the directory with `dired'  
> fails with an error message.  The trace is below.
> 
> The bugs here are
> 1. `decode-coding-region' signals an error (it is not documented to do  
> so)
> 2. with this locale, "ls -la" will not output utf-8-nfd, even though  
> it seems that we expect this.

Thanks for the report, but please use report-emacs-bug to do that, or
copy the necessary information it provides to whatever MUA you use to
send.  In this case, essential information about your Emacs version
and date of build is missing.

Message #15 received at 4151 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Kenichi Handa <handa <at> m17n.org>
To: David Reitter <david.reitter <at> gmail.com>, 4151 <at> debbugs.gnu.org
Subject: Re: bug#4151: non-utf locale leads to errors in
 `decode-coding-region'
	(dired)
Date: Tue, 18 Aug 2009 11:28:12 +0900

In article <14BCF4EE-ACCD-401B-8072-24112978DCBD <at> gmail.com>, David Reitter <david.reitter <at> gmail.com> writes:

> With
> export LANG=de_DE.ISO8859-15

> on a Mac (NS port), and a directory that contains a folder named  
> "Tätää"(i.e. a German umlaut), viewing the directory with `dired'  
> fails with an error message.  The trace is below.

> The bugs here are
> 1. `decode-coding-region' signals an error (it is not documented to do  
> so)

I think it's a bug of ns-utf8-nfd-post-read-conversion that
is set for :post-read-conversion of utf-8-nfd.  Anyone who
wrote it please work on this bug.

> 2. with this locale, "ls -la" will not output utf-8-nfd, even though  
> it seems that we expect this.

Please find why default-file-name-coding-system (or
file-name-coding-system) is set to ntf-8-nfd.

---
Kenichi Handa
handa <at> m17n.org

Message #20 received at 4151 <at> debbugs.gnu.org (full text, mbox):

From: Alan Third <alan <at> idiocy.org>
To: David Reitter <david.reitter <at> gmail.com>
Cc: 4151 <at> debbugs.gnu.org
Subject: Re: bug#4151: non-utf locale leads to errors in
 `decode-coding-region' (dired)
Date: Thu, 11 Feb 2016 20:45:47 +0000

David Reitter <david.reitter <at> gmail.com> writes:

> With
>
> export LANG=de_DE.ISO8859-15
>
> on a Mac (NS port), and a directory that contains a folder named
> "Tätää"(i.e. a German umlaut), viewing the directory with `dired'
> fails with an error message.  The trace is below.
>
> The bugs here are
> 1. `decode-coding-region' signals an error (it is not documented to do
> so)
> 2. with this locale, "ls -la" will not output utf-8-nfd, even though
> it seems that we expect this.

Hi, I can't reproduce this with Emacs 25. Are you still seeing this
problem with a recent build?

-- 
Alan Third

Message #27 received at 4151-done <at> debbugs.gnu.org (full text, mbox):

From: David Reitter <david.reitter <at> gmail.com>
To: Alan Third <alan <at> idiocy.org>
Cc: 4151-done <at> debbugs.gnu.org
Subject: Re: bug#4151: non-utf locale leads to errors in
 `decode-coding-region' (dired)
Date: Thu, 11 Feb 2016 15:55:47 -0500

On Feb 11, 2016, at 3:45 PM, Alan Third <alan <at> idiocy.org> wrote:
> 
> Hi, I can't reproduce this with Emacs 25. Are you still seeing this
> problem with a recent build?

I do not.  It seems to have been fixed.

Thanks for checking on it.  Closing the bug.

Message #30 received at 4151 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Alan Third <alan <at> idiocy.org>
Cc: david.reitter <at> gmail.com, 4151 <at> debbugs.gnu.org
Subject: Re: bug#4151: non-utf locale leads to errors in `decode-coding-region'
 (dired)
Date: Thu, 11 Feb 2016 23:21:03 +0200

> From: Alan Third <alan <at> idiocy.org>
> Date: Thu, 11 Feb 2016 20:45:47 +0000
> Cc: 4151 <at> debbugs.gnu.org
> 
> David Reitter <david.reitter <at> gmail.com> writes:
> 
> > With
> >
> > export LANG=de_DE.ISO8859-15
> >
> > on a Mac (NS port), and a directory that contains a folder named
> > "Tätää"(i.e. a German umlaut), viewing the directory with `dired'
> > fails with an error message.  The trace is below.
> >
> > The bugs here are
> > 1. `decode-coding-region' signals an error (it is not documented to do
> > so)
> > 2. with this locale, "ls -la" will not output utf-8-nfd, even though
> > it seems that we expect this.
> 
> Hi, I can't reproduce this with Emacs 25. Are you still seeing this
> problem with a recent build?

I think this was fixed by the recent changes in the way we decode file
names and list directories on OS X HFS filesystems.

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