1. Wikipedie:Co je článek
The page seems to have been deleted successfully by
now.
No. You can look
http://cs.wikipedia.org/w/wiki.phtml?title=Speci%C3%A1ln%C3%AD:Allpages&…
It is still there. Even I am sysop, I cannot delete it. In the short
pages it used to have no zero size (I cannot to check it now). In my view
the problem is bad namespace.
2. Book sources
I still don't understand how to change it in Czech wiki without changing
LanguageCs.php.
Vít Zvánovec