[BRLTTY] Linux console hacking (was: Re: Footsteps towards better accessibility in Linux)

[Sébastien Hinderer]

Hi,

Aura Kelloniemi (2026/03/27 09:48 +0200):
> Hi,
>
> On 2026-03-27 at 08:30 +0100, Sébastien Hinderer <sebastien.hinderer at ens-lyon.org> wrote:
>  > Nicolas Pitre (2026/03/26 21:45 -0400):
>  > > This is now available in kernels v6.18.20 or later, v6.19.10 or later,
>  > > and the upcoming v7.0.
> [--]
>  > Thank you so much for the time, work and efforts you dedicate to this,
>  > Nicolas.
>
> My thanks too!
>
>  > Once the kernel has been updated, is there anything more to do so that
>  > applications actually take advantage of this, or are things going to
>  > "just work"?
>
> Terminfo should have 'smcup' and 'rmcup' entries added for the Linux terminal.
> I don't know if this is going to be done.

I will submit a bug report against terminfo tomorrow.

> Applications which don't use terminfo have some other mechanism for knowing
> which sequences it can send to the terminal in order to switch to or from
> the alternate screen. If the application does not know that linux terminal
> supports alternate screen, it will not be used.

Do you have examples of such applicaitons in mind?

I am trying to figure out to which extnet this is a problem. Are we
talking about a few very exotic applications, or are we talking about
applications we may all use in our everyday life?

Best wishes,

Seb.