GNU bug report logs - #47858
Document that FULLWIDTH DIGITs boggle coreutils brain currently

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Package: coreutils;

Reported by: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>

Date: Sun, 18 Apr 2021 01:13:04 UTC

Severity: minor

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Report forwarded to bug-coreutils <at> gnu.org:
bug#47858; Package coreutils. (Sun, 18 Apr 2021 01:13:04 GMT) Full text and rfc822 format available.
Acknowledgement sent to 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>:
New bug report received and forwarded. Copy sent to bug-coreutils <at> gnu.org. (Sun, 18 Apr 2021 01:13:04 GMT) Full text and rfc822 format available.

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From: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
To: bug-coreutils <at> gnu.org
Subject: Document that FULLWIDTH DIGITs boggle coreutils brain currently
Date: Sun, 18 Apr 2021 08:09:24 +0800

(info "(coreutils) Correct/Incorrect ordering and Expected/Unexpected results")
needs to "admit" or "at least mention" that "coreutils just hasn't thought about FULLWIDTH
DIGITs yet." I.e., Europeans are in luck. East Asians are out of luck.

$ seq 9 11|sort
10
11
9
$ seq 9 11|sort -n
9
10
11
$ seq 9 11|sort -V
9
10
11

$ echo -e ９\\n１０\\n１１|sort
１０
１１
９
$ echo -e ９\\n１０\\n１１|sort -V
１０
１１
９
$ echo -e ９\\n１０\\n１１|sort -n
１０
１１
９

$ unicode ９
U+FF19 FULLWIDTH DIGIT NINE
UTF-8: ef bc 99 UTF-16BE: ff19 Decimal: &#65305; Octal: \0177431
９
Category: Nd (Number, Decimal Digit); East Asian width: F (fullwidth)
Unicode block: FF00..FFEF; Halfwidth and Fullwidth Forms
Numeric value: 9
Digit value: 9
Bidi: EN (European Number)

Decomposition: <wide> 0039

Nope, LC_ALL=zh_TW.UTF-8 didn't help.
sort (GNU coreutils) 8.32
This bug report was last modified 3 years and 220 days ago.

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