GNU bug report logs - #71822
Feature request: fullwidth to halfwidth

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Message #11 received at 71822 <at> debbugs.gnu.org (full text, mbox):

From: Dan Jacobson <jidanni <at> jidanni.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 71822 <at> debbugs.gnu.org
Subject: Re: bug#71822: Feature request: fullwidth to halfwidth
Date: Sun, 30 Jun 2024 12:04:07 +0800

>>>>> "EZ" == Eli Zaretskii <eliz <at> gnu.org> writes:
>> Have commands that can change wide to narrow,
>> with the same ease as M-l.
>> E.g., change ２０９Ｍ into 209M.
>> and another command to do the opposite.
>> OK, I guess they are called fullwidth and halfwidth.

EZ> When would such commands be useful?

We use them all the time in Chinese,
請由209M號門        Ugly
請由２０９Ｍ號門    Pretty

EZ> These characters are deliberately
EZ> not the same, and not just different shapes of the same letters
EZ> (unlike upper-case and lower-case letters).

$ unicode ２０９Ｍ|grep Deco
Decomposition: <wide> 0032
Decomposition: <wide> 0030
Decomposition: <wide> 0039
Decomposition: <wide> 004D

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