The current scheme of automatic categories created for the users in the Babel Extension is based in (but is not the same as) the previous scheme of the Babel templates, which in turn didn't follow the general title convention for inside-Wikipedia categories.
The community has shown consensus for a change in the discussion started in
http://es.wikipedia.org?diff=57341959 with this scheme:
Categoría:Wikipedia:Wikipedistas con nivel avanzado de inglés
and so on.
Thanks in advance.
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