github/fetch — pull request #44 by josh (2014-12-18 23:44:21+00:00)
Title: Align used flag error message to Chrome's implementation

Chrome experimental `fetch()` implementation throws the correct `TypeError` but with a `"Already read"` message.

> If used flag is set, reject p with a TypeError.

The spec doesn't define what the error message should exactly be. Maybe we shouldn't be testing it?

/cc @dgraham @annevk

Related #41.