Re: Add integration to gnus-search library, if present

[Eric Abrahamsen]

Eric Abrahamsen <eric@ericabrahamsen.net> writes:

> "Roland Winkler" <winkler@gnu.org> writes:
>
>> On Fri Nov 6 2020 Eric Abrahamsen wrote:
>>> A package like BBDB is one step removed from this logic. Ideally its
>>> only job should be to provide a table of contact-related strings that
>>> the user might want to complete on. It shouldn't be involved in the
>>> "downstream" logic of examining user input, etc.
>>
>> If that's the case, it might make sense to have a new variable
>> bbdb-completion-at-point-hashtable the content of which bbdb users
>> can customize similar to bbdb-completion-list.  Then this customized
>> hashtable can be made available to the "outside world" such as the
>> gnus-search library.
>
> I've been thinking about this a bit: there's no need to create a new
> hashtable, since all that's needed is a list of strings to complete on.
> We also want this list to be dynamic so that it reflects updates to the
> BBDB as the user makes them.
>
> The completion code provides a `completion-table-dynamic' function that
> wraps a function and returns a completion table, and that could be the
> ticket. I've attached another patch to show how that could work.

(Just realized the function that collects strings should be catching
'bbdb-hash-ok, not just testing the return value, but that's a simple change.)