hadley/ggplot2 — comment on commit 7cb04ed759c9a858abf4a4d363f439c19f188c16
File: R/scales-.r line 107
By kohske:

Maybe the best way is that `load_all` makes a "hook" on `getNamespace` -- if a dev package is loaded by `load_all` or something else, `getNamespace` returns the namespace for the dev package, not sure if this is possible though.