Mark Williamson wrote:
I was thinking of another non-English semifork of Wikipedia which has
way more articles than the Wikipedia version, and whose owner is
deeply involved in Wikipedia but while bragging in private e-mails and
on-list about how much work he/she does compared to others to put more
free content online, does not consider allowing the corresponding
language version of Wikipedia to share content.
If they are GFDL, they cannot disallow that. If they are not GFDL, they
are using material originally from Wikipedia illegally.