On Tue, Sep 17, 2013 at 8:34 AM, Gabriel Wicke <gwicke(a)wikimedia.org> wrote:
There *might* be, in theory. In practice I doubt that
there are any
articles starting with 'w/'. To avoid future conflicts, we should
probably prefix private paths with an underscore as titles cannot start
with it (and REST APIs often use it for special resources).
I bet people have said that about single letter interwikis, but we do have
quiet a few "<single letter>:" page titles around. have "<single
letter>/"
is not un-believable.