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bug#71822: Feature request: fullwidth to halfwidth
From: |
Eli Zaretskii |
Subject: |
bug#71822: Feature request: fullwidth to halfwidth |
Date: |
Sun, 30 Jun 2024 08:24:59 +0300 |
> From: Dan Jacobson <jidanni@jidanni.org>
> Cc: 71822@debbugs.gnu.org
> Date: Sun, 30 Jun 2024 12:04:07 +0800
>
> >>>>> "EZ" == Eli Zaretskii <eliz@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
That's about use of the characters, not about the use cases for the
commands you proposed. Or maybe I don't understand the example, in
which case please elaborate.
> 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
Yes, and..?
I didn't ask whether Emacs has the requisite information, I asked
about the use cases for these commands. You presented none; instead,
you are lecturing me on basic Unicode attributes of characters and on
the reasons for having the wide ones. That is not helpful; I already
know all that. It definitely doesn't provide any rationale for having
such commands in Emacs.