package and virtual

[Jonathan M Davis]

package functions are currenly non-virtual.

The spec claims that "all non-sta­tic non-pri­vate non-tem­plate mem­ber func­
tions are vir­tual," which would mean that package is supposed to be virtual. 
But from what I recall, the plan is to leave package as non-virtual. So, is 
that indeed the case and the spec needs to be fixed, or is package going to be 
made virtual at some point?

- Jonathan M Davis