>> The attached patch (using git format-patch) is adding test-ob-lua.el and
>> ob-lua.el.  My contribution to ob-lua.el is only a tiny patch on top of
>> Dieter's ob-lua.el but it appears as a new file in the patch, since
>> ob-lua.el is not currently in the repository.
>
> That is not a problem. We can make this appear as two patches.
OK, should I send two patches then?

>
>> I am still a bit confused about this (make test complains about a
>> missing dependency for ob-lua, maybe because it is in contrib/lisp?),
>> but I can run the test using the command line emacs --batch command
>> described in testing/README, and it does not require any change to
>> org-test.el, so I'll run tests this way from now on.
>
> The point is to add it to core Org, not to contrib/, isn't it?
I wasn't sure, attached is a new patch with ob-lua in lisp/.

Thanks,
thibault