Hi Nicolas,

> I suggest to remove references to DATA, HEADERS, LABEL, RESNAME, RESULT,
> SOURCE, SRCNAME and TBLNAME in org-element-affiliated keywords, which are here
> for backward-compatibility reason, but shouldn’t appear nowadays (and are not
> even mentioned in the manual).
>
> For the same reason, I suggest removing file+sys and file+emacs, which were
> (and are AFAIK) planned for removal.

Done :)

Should we rename org-syntax to org-syntax-old? Or would you advocate for
something else?

All the best,
Timothy