Re: Should the readline *-meta flags reset when $LANG changes?

[Chet Ramey]

On 8/10/22 10:21 AM, Chet Ramey wrote:

> I'm not going to make this much of a change at this point in the release
> process. I was willing to make the change I did because the changed
> behavior is a superset of the previous behavior.
> 
> So, assuming we say that the scenario Alan outlined is reasonable (it is),
> it looks like there are four alternatives:
> 
> 1. Do nothing; maintain the bash-5.1 behavior and force the change to the
>    user.
> 
> 2. Leave the new function in place; automatically adjust to locale
>    changes.
> 
> 3. Push it off to the application: introduce a new readline API that
>    applications can call when locale variables change. This is very cheap.
> 
> 4. Push it onto readline: instead of checking the locale and making the
>    eight-bit variables mirror it on each call, make readline check for
>    locale changes (well, LC_CTYPE) and reset the eight-bit variables only
>    if the current value doesn't match the value from the last call.
> 
> The last option is about as much of a change as I'm willing to make at
> this point.

There is a fifth option:

5. Make the locale-aware behavior dependent on a new readline option, which
   would be enabled by default.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/