From: Travis Leithead [mailto:travis.leith...@microsoft.com]
> The purpose of the “Level 1” document is to serve as a stable reference for > W3C specs that link to WebIDL. It contains a subset of the WebIDL syntax that > is considered stable (as verified by interoperable tests). Implementations > should not use the Level 1 document as a guide, but instead track changes to > the editors draft. We expect to follow-up Level 1 with a Level 2 as > additional editor’s draft syntax and behavior stabilizes, are implemented as > part of other specs, and shown to be interoperable. Why is it acceptable for specs to reference a version of Web IDL that nobody should implement?