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Groups > linux.debian.user > #194396

Re: utf

From Greg Wooledge <wooledg@eeg.ccf.org>
Newsgroups linux.debian.user
Subject Re: utf
Date 2018-04-02 15:30 +0200
Message-ID <vA7H3-1Tr-3@gated-at.bofh.it> (permalink)
References <vzLQd-4cg-1@gated-at.bofh.it> <vzRsC-8m1-3@gated-at.bofh.it> <vzTXs-1iJ-1@gated-at.bofh.it> <vA2o1-6N4-1@gated-at.bofh.it>
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On Mon, Apr 02, 2018 at 07:43:23AM +0000, Curt wrote:
> The thought provoked in my neurological matter was why there are other
> locales at all if UTF8 (the locale of this here .homie machine, BTW) is
> "vastly superior for all purposes".
> 
> That leaves no purposes remaining whatsoever for the myriad other
> locales.
> 
> If this is indeed so, let's get rid of them, then, (the superfluous
> locales) thus lightening our loads in computer life. 
> 
> Or are there legacy, corner, arcane purposes for these locales, of which
> the hoi polloi (of which I am a card-carrying member) has not to concern
> itself? 

Yes, there are other computer systems on the planet, and some of them
still use various single-byte character sets (ISO 8859-* or WIN1252
or similar).

In heterogeneous environments, it is often important for a Debian server
to support multiple locales, to fit the needs of legacy client systems.

For example, if you're sitting at a legacy Unix system which uses the
ISO 8859-1 character set, and you ssh to a Debian system that hard-codes
"LANG=en_US.UTF-8" in /etc/default/locale , this will clobber the locale
variables that are sent by the ssh client.  Then, commands like "man"
will generate output containing UTF-8 characters, which will seriously
mess up the display on an ISO 8859-1 terminal emulator.

(Why "man", or groff or whatever, feels the need to generate non-ASCII
characters is beyond me.)

This is why <https://wiki.debian.org/Locale> has complicated instructions
that DO NOT force an override LANG=... in /etc/default/locale (which is
destructive and wrong), but instead use fallback values in /etc/profile
and /etc/csh/login.d/lang .

This is also why I was probing login.conf and pam_env.conf for the ability
to support fallback/default environment variable values in that other
thread last week.  (Sadly, there is still no known alternative to the
login-shell-dependent hackery.)

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Thread

utf mess-mate <mess-mate@gmx.com> - 2018-04-01 16:10 +0200
  Re: utf Curt <curty@free.fr> - 2018-04-01 17:50 +0200
  Re: utf Ionel Mugurel Ciobîcă <I.M.Ciobica@upcmail.nl> - 2018-04-01 18:30 +0200
  Re: utf Andre Majorel <aym-naibed@teaser.fr> - 2018-04-01 18:40 +0200
  Re: utf Ben Caradoc-Davies <ben@transient.nz> - 2018-04-01 22:10 +0200
    Re: utf Cindy-Sue Causey <butterflybytes@gmail.com> - 2018-04-02 00:50 +0200
      Re: utf Curt <curty@free.fr> - 2018-04-02 09:50 +0200
        Re: utf Richard Hector <richard@walnut.gen.nz> - 2018-04-02 11:40 +0200
        Re: utf Greg Wooledge <wooledg@eeg.ccf.org> - 2018-04-02 15:30 +0200
    Re: utf Andre Majorel <aym-naibed@teaser.fr> - 2018-04-02 09:50 +0200
      Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-02 14:40 +0200
        Re: Invalid UTF-8 byte? (was: Re: utf) <tomas@tuxteam.de> - 2018-04-02 15:10 +0200
        Re: Invalid UTF-8 byte? (was: Re: utf) Henrique de Moraes Holschuh <hmh@debian.org> - 2018-04-02 15:10 +0200
          Re: Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-02 19:50 +0200
            Re: Invalid UTF-8 byte? (was: Re: utf) Henrique de Moraes Holschuh <hmh@debian.org> - 2018-04-02 20:20 +0200
              Re: Invalid UTF-8 byte? (was: Re: utf) <tomas@tuxteam.de> - 2018-04-02 20:50 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) tomas@tuxteam.de - 2018-04-02 21:00 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-02 21:10 +0200
        Re: Invalid UTF-8 byte? (was: Re: utf) Michael Lange <klappnase@freenet.de> - 2018-04-03 00:50 +0200
          Re: Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-03 13:50 +0200
            Re: Invalid UTF-8 byte? (was: Re: utf) Nicolas George <george@nsup.org> - 2018-04-03 14:00 +0200
              Re: Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-03 14:30 +0200
            Re: Invalid UTF-8 byte? (was: Re: utf) Michael Lange <klappnase@freenet.de> - 2018-04-03 14:10 +0200
              Re: Invalid UTF-8 byte? (was: Re: utf) Michael Lange <klappnase@freenet.de> - 2018-04-03 14:20 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) <tomas@tuxteam.de> - 2018-04-03 14:40 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Michael Lange <klappnase@freenet.de> - 2018-04-03 21:50 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Greg Wooledge <wooledg@eeg.ccf.org> - 2018-04-03 21:50 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Michael Lange <klappnase@freenet.de> - 2018-04-03 22:10 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Greg Wooledge <wooledg@eeg.ccf.org> - 2018-04-03 14:40 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-04 03:10 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-04 03:20 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Nicolas George <george@nsup.org> - 2018-04-04 13:30 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-04 14:10 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Nicolas George <george@nsup.org> - 2018-04-04 14:10 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-04 14:50 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Nicolas George <george@nsup.org> - 2018-04-04 15:00 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Andre Majorel <aym-naibed@teaser.fr> - 2018-04-04 16:20 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Greg Wooledge <wooledg@eeg.ccf.org> - 2018-04-04 16:30 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-04 18:00 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-04 18:00 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2018-04-04 20:50 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Greg Wooledge <wooledg@eeg.ccf.org> - 2018-04-04 14:30 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-04 15:10 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Don Armstrong <don@debian.org> - 2018-04-04 19:40 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Nicolas George <george@nsup.org> - 2018-04-04 19:50 +0200
                mbox vs maildir vs better formats [Re: Invalid UTF-8 byte? (was: Re:  utf)] Don Armstrong <don@debian.org> - 2018-04-04 20:00 +0200
                Re: mbox vs maildir vs better formats [Re: Invalid UTF-8 byte? (was:  Re: utf)] Nicolas George <george@nsup.org> - 2018-04-04 20:10 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-04 20:40 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Don Armstrong <don@debian.org> - 2018-04-04 20:50 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-05 14:40 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) deloptes <deloptes@gmail.com> - 2018-04-05 00:20 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-04 21:30 +0200
              Re: Invalid UTF-8 byte? (was: Re: utf) Henrique de Moraes Holschuh <hmh@debian.org> - 2018-04-04 13:20 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) <tomas@tuxteam.de> - 2018-04-04 16:10 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Henrique de Moraes Holschuh <hmh@debian.org> - 2018-04-04 20:50 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) <tomas@tuxteam.de> - 2018-04-04 21:30 +0200
                Re: Invalid UTF-8 byte? Ben Caradoc-Davies <ben@transient.nz> - 2018-04-04 23:50 +0200
                Re: Invalid UTF-8 byte? Michael Stone <mstone@debian.org> - 2018-04-05 01:00 +0200
                Re: Invalid UTF-8 byte? (was: Re: utf) Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2018-04-04 21:00 +0200
        Re: Invalid UTF-8 byte? (was: Re: utf) Jonathan de Boyne Pollard <J.deBoynePollard-newsgroups@NTLWorld.COM> - 2018-04-04 20:30 +0200
          Re: Invalid UTF-8 byte? (was: Re: utf) rhkramer@gmail.com - 2018-04-04 21:30 +0200
      Re: utf Ben Caradoc-Davies <ben@transient.nz> - 2018-04-02 23:40 +0200
      Re: utf Darac Marjal <mailinglist@darac.org.uk> - 2018-04-03 11:00 +0200
        Re: utf Richard Hector <richard@walnut.gen.nz> - 2018-04-03 11:20 +0200
          Re: utf <tomas@tuxteam.de> - 2018-04-03 11:30 +0200
        Re: utf Nicolas George <george@nsup.org> - 2018-04-03 12:20 +0200
        Re: utf Ben Caradoc-Davies <ben@transient.nz> - 2018-04-03 22:50 +0200
          Re: utf Nicolas George <george@nsup.org> - 2018-04-03 23:00 +0200
            Re: utf Greg Wooledge <wooledg@eeg.ccf.org> - 2018-04-03 23:00 +0200
              Re: utf Nicolas George <george@nsup.org> - 2018-04-03 23:30 +0200
                Re: utf deloptes <deloptes@gmail.com> - 2018-04-04 19:00 +0200
                Re: utf Nicolas George <george@nsup.org> - 2018-04-04 19:10 +0200
                Re: utf Greg Wooledge <wooledg@eeg.ccf.org> - 2018-04-04 19:30 +0200
                Re: utf Nicolas George <george@nsup.org> - 2018-04-04 19:40 +0200
                Re: utf deloptes <deloptes@gmail.com> - 2018-04-04 19:40 +0200
                Re: utf Nicolas George <george@nsup.org> - 2018-04-04 19:40 +0200
                Re: utf Greg Wooledge <wooledg@eeg.ccf.org> - 2018-04-04 19:50 +0200
                Re: utf Nicolas George <george@nsup.org> - 2018-04-04 20:00 +0200
                Re: utf deloptes <deloptes@gmail.com> - 2018-04-04 23:20 +0200
                Re: utf Richard Hector <richard@walnut.gen.nz> - 2018-04-05 02:30 +0200
                Re: utf Nicolas George <george@nsup.org> - 2018-04-05 14:10 +0200
                Re: utf Stefan Monnier <monnier@iro.umontreal.ca> - 2018-04-05 00:00 +0200
                Re: utf rhkramer@gmail.com - 2018-04-04 20:30 +0200
                Re: utf Joel Roth <joelz@pobox.com> - 2018-04-04 21:30 +0200
                Re: utf deloptes <deloptes@gmail.com> - 2018-04-04 23:40 +0200
                Re: utf <tomas@tuxteam.de> - 2018-04-05 08:30 +0200
                Re: utf rhkramer@gmail.com - 2018-04-05 14:50 +0200
                Re: utf <tomas@tuxteam.de> - 2018-04-05 15:00 +0200
                Re: utf Nicolas George <george@nsup.org> - 2018-04-05 15:00 +0200
                Re: utf tomas@tuxteam.de - 2018-04-05 15:10 +0200
                Re: utf deloptes <deloptes@gmail.com> - 2018-04-05 21:40 +0200
                Re: utf Stefan Monnier <monnier@iro.umontreal.ca> - 2018-04-05 23:30 +0200
                Re: utf deloptes <deloptes@gmail.com> - 2018-04-05 23:40 +0200
                Re: utf Stefan Monnier <monnier@iro.umontreal.ca> - 2018-04-06 03:20 +0200
                Re: utf <tomas@tuxteam.de> - 2018-04-06 09:00 +0200
                Re: utf Ben Caradoc-Davies <ben@transient.nz> - 2018-04-06 04:20 +0200
                Re: utf <tomas@tuxteam.de> - 2018-04-06 09:10 +0200
                Re: utf Stefan Monnier <monnier@iro.umontreal.ca> - 2018-04-05 19:00 +0200
                Re: utf rhkramer@gmail.com - 2018-04-05 20:00 +0200
              Re: utf Stefan Monnier <monnier@iro.umontreal.ca> - 2018-04-03 23:40 +0200
        Re: utf Henrique de Moraes Holschuh <hmh@debian.org> - 2018-04-04 14:20 +0200

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