Re: master 2ef6f943abd: Add option to control default outlining in 'C-h b'

[Robert Pluim]

>>>>> On Wed, 26 Apr 2023 12:18:07 +0300, Eli Zaretskii <eliz@gnu.org> said:
    >> I guess we could add `predicate', to be checked before
    >> `custom-function', if set. If we do that, we definitely need to
    >> document which outline functions are available. 100% backwards
    >> compatible as well 😄

    Eli> Or maybe we stay with custom-function, but allow it to return symbols
    Eli> other than nil and t, so it could, for example, return
    Eli> 'outline-show-branches'?

That would work, but would mess up the hypothetical user who has
already written a custom-function without paying attention to its
return value.

Robert
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