bug#72176: 30.0.60; icomplete-vertical-mode failed to work with Error

[Eli Zaretskii]

> From: João Távora <joaotavora@gmail.com>
> Date: Sat, 20 Jul 2024 10:09:38 +0100
> Cc: Robert Pluim <rpluim@gmail.com>, 72176@debbugs.gnu.org, 
> aqua0210@foxmail.com, 
>       visuweshm@gmail.com
> 
> On Sat, Jul 20, 2024 at 7:05 AM Eli Zaretskii <eliz@gnu.org> wrote:
> 
> > Adding João, who I think wrote this code.
> 
> Don't understand root cause, but it's in the whereabouts of
> the current analysis, yes. I recall regexp is supposed to always 
> match, because it has (presumably) been used for a previous
> filtering. This breakage would seem to be a consequence of 
> 3b07d33059150 by Eshel Yaron which in turn seems to be fixing 
> something stemming from some feature Dmitry added in 
> 6b7ff60a5e71c in June. I went one commit before that one and 
> the recipe didn't break.

Thanks, I'm adding the guilty parties to this discussion.  Eshel and
Dmitry, could you please look into this?