Re: Question: using public domain code?

[Arthur Miller]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> But I’m unsure about public domain...
>
> In theory, public domain can be used, and I think we wpouldn't require
> copyright papers to use it in Emacs.
>
> *BUT* in practice, there is pretty much no ELisp code in the public
> domain.  If the file says that it's in the public domain, it's usually
> a misunderstanding on the part of the authors thinking they can opt to
> put the file in the public domain, which is not the case.

It is a serious question: is any SXEmacs code (gpl3) out of scope to be included
in GNU Emacs? I am aware I can use it in my personal projects and publish etc,
but it would never be accepted in GNU Emacs? Unless the authors sign the fsf
copyrights?