User:NYKevin//

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So apparently this page has no name, and neither does its immediate parent. Want proof? Look at the subpage breadcrumbs. It gets even more interesting if you create a page called e.g. / (don't actually do it, you'll just annoy the admin who has to clean up after you). Then gives the empty string. So when you're making templates, watch out! Weird things like this can and do happen. On a related note, you can't link to //; you have to link to // (expressed in wikitext as // ).