bug#71822: Feature request: fullwidth to halfwidth

[Eli Zaretskii]

> From: Dan Jacobson <jidanni@jidanni.org>
> Cc: 71822@debbugs.gnu.org
> Date: Sun, 30 Jun 2024 16:23:45 +0800
> 
> >>>>> "EZ" == Eli Zaretskii <eliz@gnu.org> writes:
> EZ> use cases for these commands
> 
> All offline (I. e. all by hand), I start out with English,
> 
> 1. Her ID number is 0987654321BA.
> 
> I rewrite the first part in Chinese,
> 
> 2. 她證號為 0987654321BA 。
> 
> But to get it into its final state,
> 
> 3. 她證號為０９８...
> 
> I need to retype each and every number and letter "all over again" (but
> in fullwidth), because there is no M-<something> command to change it
> for me. As you see I have given up halfway.

You are saying that the keyboard and/or the input method you are using
to type Chinese support characters such as 她證號為, but don't support
typing wide digits like ０９８, is that the problem?