bug#57548: Add new function `seq-positions'

[Damien Cassou]

Eli Zaretskii <eliz@gnu.org> writes:
> From: Damien Cassou <damien@cassou.me>
>> If you want, I can prepare another patch to apply the same change to
>> the docstring of the already existing `seq-position`: it contains the
>> same phrasing.
>
> Yes, please.  Will be appreciated.

fixed in bug#57561.

-- 
Damien Cassou

"Success is the ability to go from one failure to another without
losing enthusiasm." --Winston Churchill