No. Your citations are normal, and expected. The use of [0] is a dev affectation to show you're 'in the club', that is, to discriminate, but violates the principal of least surprise.
On 2016-04-06 05:00, wikitech-l-request@lists.wikimedia.org wrote:
I suppose you've figured out that I don't know how to write citations. Subtract -1 from N for all [N] in the body. :-) -S.