Detect absolute URL’s in the extra_* path. #92
Went ahead and added this as a util function. Not sure if it fits in with the code-base or style perfectly. It seems like we should probably be using the urlparse module for this, but every time I've worked with it I want to stab something :)
I'm not sure if we want to support protocol-less things (eg. "media.cdn.org/foo.js") -- this code is naive and will include that as a local URL.
Shouldn't this be updating
According to grep, mkdocs and readthedocs are the only themes that support