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Subject: bug#33775: fold: counting multi-byte utf-8 sequences as separate columns
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Message-ID: <cb32cf5c-2f40-ab75-2c03-113bcd19d7ad@HIDDEN>
Date: Mon, 17 Dec 2018 02:32:55 +0100
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Hello,

I've just discovered an odd behavior of `fold' while trying to wrap a
piece of text containing phonetic characters.

Take the following line, for example:

Tcl (pronounced "tickle" or tee cee ell /ˈtiː siː ɛl/) is a high-level,

It is 71 characters long. Still, running

echo "Tcl (pronounced "tickle" or tee cee ell /ˈtiː siː ɛl/) is a
high-level," | fold -w 72 -s

produces

Tcl (pronounced tickle or tee cee ell /ˈtiː siː ɛl/) is a
high-level,

I've had someone test this with FreeBSD's `fold', which didn't behave
that way. Instead, it filled out the line as expected.

Further investigation by developers of Adélie Linux revealed that GNU's
`fold' is counting multi-byte utf-8 sequences (in this case, the
phonetic characters) as separate columns:

awilcox on gwyn [pts/11 Sun 16 19:01] ~: cat testing.txt
1234567890 234567890 234567890 234567890 234567890 234567890 234567890
/ˈtiː siː ɛl/ Adélie en français español ¿que? ¡ay! here is 70 chars ^
yep.
awilcox on gwyn [pts/11 Sun 16 19:01] ~: fold -w 72 -s testing.txt
1234567890 234567890 234567890 234567890 234567890 234567890 234567890
/ˈtiː siː ɛl/ Adélie en français español ¿que? ¡ay! here is 70
chars ^
yep.



msi

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Michael Siegel <msi@HIDDEN>
Subject: bug#33775: Acknowledgement (fold: counting multi-byte utf-8
 sequences as separate columns)
Message-ID: <handler.33775.B.15450128704606.ack <at> debbugs.gnu.org>
References: <cb32cf5c-2f40-ab75-2c03-113bcd19d7ad@HIDDEN>
X-Gnu-PR-Message: ack 33775
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Reply-To: 33775 <at> debbugs.gnu.org
Date: Mon, 17 Dec 2018 02:15:01 +0000

Thank you for filing a new bug report with debbugs.gnu.org.

This is an automatically generated reply to let you know your message
has been received.

Your message is being forwarded to the package maintainers and other
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If you wish to submit further information on this problem, please
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--=20
33775: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D33775
GNU Bug Tracking System
Contact help-debbugs@HIDDEN with problems

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Subject: Re: bug#33775: fold: counting multi-byte utf-8 sequences as separate
 columns
To: Michael Siegel <msi@HIDDEN>, 33775 <at> debbugs.gnu.org
References: <cb32cf5c-2f40-ab75-2c03-113bcd19d7ad@HIDDEN>
From: Assaf Gordon <assafgordon@HIDDEN>
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severity 33775 wishlist
retitle 33775 multibyte: fold: multi-byte sequences as separate columns
stop

Hello,

On 2018-12-16 6:32 p.m., Michael Siegel wrote:
> I've just discovered an odd behavior of `fold' while trying to wrap a
> piece of text containing phonetic characters.
> 
> Take the following line, for example:

Thank you for reporting this issue and
providing clear, reproducible examples.

Adding complete multibyte/utf8 support to all coreutils
programs is an on-going effort.

I'm marking this as a "wishlist" item, which will remain
open until we complete the implementation.

Related multibyte items are listed here (with "multibyte" prefix):
https://debbugs.gnu.org/cgi/pkgreport.cgi?which=pkg&data=coreutils



regards,
  - assaf

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Subject: Re: bug#33775: fold: counting multi-byte utf-8 sequences as separate
 columns
To: Michael Siegel <msi@HIDDEN>, 33775 <at> debbugs.gnu.org
References: <cb32cf5c-2f40-ab75-2c03-113bcd19d7ad@HIDDEN>
From: Assaf Gordon <assafgordon@HIDDEN>
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severity 33775 wishlist
retitle 33775 multibyte: fold: multi-byte sequences as separate columns
stop

Hello,

On 2018-12-16 6:32 p.m., Michael Siegel wrote:
> I've just discovered an odd behavior of `fold' while trying to wrap a
> piece of text containing phonetic characters.
> 
> Take the following line, for example:

Thank you for reporting this issue and
providing clear, reproducible examples.

Adding complete multibyte/utf8 support to all coreutils
programs is an on-going effort.

I'm marking this as a "wishlist" item, which will remain
open until we complete the implementation.

Related multibyte items are listed here (with "multibyte" prefix):
https://debbugs.gnu.org/cgi/pkgreport.cgi?which=pkg&data=coreutils



regards,
  - assaf

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severity 33775 wishlist
retitle 33775 multibyte: fold: multi-byte sequences as separate columns
stop

Hello,

On 2018-12-16 6:32 p.m., Michael Siegel wrote:
> I've just discovered an odd behavior of `fold' while trying to wrap a
> piece of text containing phonetic characters.
> 
> Take the following line, for example:

Thank you for reporting this issue and
providing clear, reproducible examples.

Adding complete multibyte/utf8 support to all coreutils
programs is an on-going effort.

I'm marking this as a "wishlist" item, which will remain
open until we complete the implementation.

Related multibyte items are listed here (with "multibyte" prefix):
https://debbugs.gnu.org/cgi/pkgreport.cgi?which=pkg&data=coreutils



regards,
  - assaf

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