> So there would be 3.0 - 3.5/3.6 in 2011+2012, 4.0 - 4.9 in 2013+2014, and so on...
And for the problem of release after 9.9 (in 2025) we can always use hex digits and delay problem for 12 years (or go with full g-z - getting another 40 years). ;)
It's not sure whether Linus still will be the Linux maintainer after 66 years from now. Some successor may come up and obviously rename it to her/his name with last letter changed to x...