bug#50256: thing-at-mouse

[Juri Linkov]

> I mean that we needn't do that because pos_visible_p already does it.
> So I'd just propose to do the trivial (line numbers are not trunk's);
>
> diff --git a/src/window.c b/src/window.c
> index cb8fe5fcdb..bfbed01749 100644
> --- a/src/window.c
> +++ b/src/window.c
> @@ -2199,8 +2199,6 @@ DEFUN ("pos-visible-in-window-p", 
> Fpos_visible_in_window_p,
>      posint = -1;
>    else if (!NILP (pos))
>      posint = fix_position (pos);
> -  else if (w == XWINDOW (selected_window))
> -    posint = PT;
>    else
>      posint = marker_position (w->pointm);

I confirm this fixes the reported issues.