[Syssiphus]

Interesting view. I've never seen vi as a standard. But it makes sense.

[bch]

Technically something can't call itself Unix(tm) without vi(1) [0][1]

[0] http://pubs.opengroup.org/onlinepubs/7908799/xcu/vi.html [1] https://en.wikipedia.org/wiki/Single_UNIX_Specification