[Foundation-l] Third-party GFDL text irrevocably incompatible with Wikipedia as of August 1

[Thomas Dalton]

2009/5/28 David Goodman <dgoodmanny at gmail.com>:
> The solution, as with international affairs, is tolerance. In this
> case, the practical aceptance of all free licenses as equivalent,
> regardless of lthe licensing zealots. Free culture arose to permit
> reuse, and should continue that way. We should  simply have told the
> FSF:  At least when dealign with text, we regard all CC-BY licenses as
> compatible with each other and with GFDL, and therefore there's
> nothing that needs to be negotiated. Anyone who wants to use our
> content under any such license is welcome, and we will treat yours
> similarly, under the presumption that any court would regard the
> differences as insignificant.

Do you have any legal basis for that presumption?