On Wed, Jul 30 2014, David Bremner wrote:
> Michal Sojka <sojkam1@fel.cvut.cz> writes:
>
>> Notmuch currently has an address completion mechanism that requires
>> external script to provide completion candidates. This patch adds a
>> completion mechanism found in https://github.com/tjim/nevermore, which
>> is implemented in elisp only.
>
> I was playing with this a bit and I noticed that for very long
> completion lists, after scrolling down for a while, it get stuck, and up
> or down arrow yields no movement messages like
>
> ,----
> | Company: Front-end company-pseudo-tooltip-unless-just-one-frontend error "Args out of range: 1, 124" on command update [2 times]
> | Mark set
> `----
>
> Not sure if this is a company problem or a problem with the use of
> company.
>
> I have company-0.8.1 from elpa.

Yes. I contacted company-mode maintainer with this problem and it is now
fixed in git. It's not yet released though. See
https://github.com/company-mode/company-mode/issues/156.

-Micahl