hadley/ggplot2 — comment on commit 42c1ed3f74a9acaa15a8d1058ded2217f2908ed5
File:  line 0
By kohske:

Thanks for the pointing out.

But what I meant by `pad` is different from the `just`.
Here is a visual explanation of `pad`.
https://skitch.com/e-kohske/g57ff/raster-pad

maybe it should be called as `expand`, so `h.expand` and `v.expand`.