Re: rl_already_prompted changed in version 8.1

[Laszlo Csirmaz]

That's the point:
> It probably `worked' in readline-7.0 because readline didn't happen to 
> reprint the prompt when it was doing redisplay.
Why should it reprint the prompt in this case?
Thanks for the clarification,
Laszlo

On Mon, Oct 17, 2022 at 5:44 PM Chet Ramey <chet.ramey@case.edu> wrote:
>
> On 10/15/22 11:28 AM, Laszlo Csirmaz wrote:
> > I used the following yesno() procedure to handle the yes/no answer
> > from the user after printing some ugly question. This worked as
> > expected in version 7.0, but in 8.1 it stopped working. Any hints on
> > how to achieve the same effect?
>
> rl_already_prompted requires that the application has printed rl_prompt,
> not some random string that isn't the prompt passed to readline().
> Otherwise, it has no way of knowing where the cursor is or the data
> that's on the screen, which will corrupt redisplay.
>
> It probably `worked' in readline-7.0 because readline didn't happen to
> reprint the prompt when it was doing redisplay.
>
> --
> ``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/
>