[vector.capacity]p17/18 has two paragraph numbers

[zygoloid]

[vector.capacity]/17 has two paragraph numbers, that are rendered superimposed on top of each other.

We should fix this for the C++20 IS.

[jensmaurer]

@zygoloid , here you are.

[Eelis]

Maybe that \pnum is the one that's missing from the Effects clause immediately below. :)

[jensmaurer]

Good point. Fixed.