bug#16496: 24.3.50; Some completion functions in Emacs still return a function of no argument

[Lars Ingebrigtsen]

Dmitry Gutov <dgutov@yandex.ru> writes:

> ...which is officially "discouraged" and doesn't work with company-capf.
>
> semantic-completion-at-point-function
> nxml-completion-at-point-function

These two no longer exist?

> message-completion-function

This was reworked in 47a767c24e9cc4323432e29103b0a2cc46f8f3e4 in 2019,
so I'm not sure whether this is an issue any more?  (I'm a bit vague
about how the completion system actually works.)

> The last one also pops up a BBDB buffer upon successful completion (when
> BBDB is used, of course), so fixing it might need some additional effort
> to keep BBDB integration from breaking.

Is this still an issue after the 2019 rewrite of the function?

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   bloggy blog: http://lars.ingebrigtsen.no