github/developer.github.com — pull request #373 by quackingduck (2013-11-20 18:24:58+00:00)
Title: VERSION -> v3 in /content/v3/repos/contents.md

I could be wrong here, perhaps the literal string `VERSION` is supposed to be here but the api definitely works with `application/vnd.github.v3.raw` and that seems to make more sense.