Re: master 2bb0703 1/2: lisp/*.el: Force non-nil result to t, to match docstring

[Lars Ingebrigtsen]

Juanma Barranquero <address@hidden> writes:

> On Thu, Oct 17, 2019 at 3:08 AM Lars Ingebrigtsen <address@hidden> wrote:
>
>> Aren't these mostly doc string bugs, though?  That is, the doc string
>> says "t" instead of "non-nil"; it's a common bug.
>
> Depends. When the function is a predicate, t/nil makes more sense
> (generally speaking, there are exceptions) that non-nil/nil.

I thought it was kinda opposite: When it's a predicate, we only care
about nil/non-nil.

We only care about the distinction between non-nil and t when we have a
function that can return many different values, and t has a special
meaning among those values.

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