hadley/httr — pull request #174 by jennybc (2014-12-06 20:18:52+00:00)
Title: how to store and use API key stored as environment variable

As promised.

In know your style is more minimalist, so feel free to edit. But maybe it's OK since this is advice to an httr-using developer on how to encourage good behaviour in the user.

Found a couple other typos.