Re: [External] : Re: master a7c65fc666: Allow nil value for filter-buffer-substring-function

[Emanuel Berg]

Michael Heerdegen wrote:

>> The argument that allowing a nil value for such a variable
>> "breaks" the use of `add-function' is no more than
>> a re-assertion that the variable shouldn't have
>> a nil value.
>
> I don't think this is true. You are missing an, or even the,
> important point IMO.

When fixing something breaks something else this implies
poor modularization.

But as for what to do, well obviously what it breaks must be
fixed as well and everything else connected to it in the
same way.

And interestingly, fixing such issues can be a, or even the,
method to achieve modularization.

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