For those of you who haven't seen:

A satire website is hyping on Hacker News at the moment:

https://malus.sh/

" Clean Room as a Service. Finally, liberation from open source license
obligations."

I think it may fit in this thread, because it discusses licensing issues
with LLMs and open source.

Dominik

On Sun 01 Mar 2026 07:55:18 PM GMT, Ihor Radchenko wrote:

> Matthew Weymar <[email protected]> writes:
>
>> Of course, I can -- and of course, I did!
>>
>> Do you have a preference as to whether people do or do not use an LLM to
>> write a patch?... If so, I am curious as to why.
>
> First reason is simple - I have been instructed by Emacs maintainers to
> not accept LLM-written patches. This is because GNU does not yet have an
> official policy on this. And GNU does not have a policy because the
> licensing implications of LLM code are not yet clear.
> So, I currently cannot accept anything that is generated by LLMs.
> (We are discussing on some ways forward right now on GNU lists, but
> there is no decision on the topic yet)
>
> The second reason is more important.
>
> I can clearly see that the patch is ignoring the basic Elisp standards.
> For example, the \n in the docstrings made me think that you did not
> review the patch much and just posted it as is after it was generated (I
> am not sure if that's the case, but that's the impression).
>
> If my suspicion is correct, you are missing out on one of the benefits
> of contributing to libre software - learning. Normally, even if you
> never saw the Elisp standards documentation, you can follow the example
> of the rest of Org code and get reasonable code quality, implicitly
> learning the code style along the way.
>
> Third reason is my time.
>
> In most cases, it is more efficient for Org mode project to have patches
> written by interested people - I can quickly review the patches, making
> sure that the quality is good, and double-checking with the second pair
> of eyes. That takes less time compared to me writing the same patches
> myself.
>
> There are also patches from less experienced contributors.
> These patches often take more time on my side compared to if I write
> them myself. But by reviewing them, I get more people familiar with
> contribution process and Org codebase. So, we end up growing the number
> of contributors in the long run and again benefit the whole Org mode
> project.
>
> However, if the patch is simply generated by LLM (especially by
> inexperienced contributors or inexperienced LLM users), the time I spend
> reviewing is much harder to justify.
>
> Do note that using LLM may be OK (let's forget about copyright issues
> for a moment). LLMs are pretty good generating boilerplate code to
> kickstart writing a patch.
> But using LLM output without changes is generally
> not the best idea. Unless you really know what you are doing and provide
> detailed instructions and context, LLMs often suffer from subtle
> mistakes in the code -- LLM-generated code MUST be reviewed carefully
> before usage. Sometimes, it is simply faster to write code from scratch
> compared to reviewing LLM output. I have to say that your patch is an
> example of bad LLM code.

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