Bing implements the exact proposal in this I-D. (The I-D says so.)
If you believe otherwise, please provide references.
Reference? Just see the screenshot of the Bing preferences page:
https://mailarchive.ietf.org/arch/attach/ietf/pngkwLXzM.png
Sigh. It's hard to argue with someone whose only responses are to
change the topic.
As I (and others) have pointed out multiple times, the Bing web site
implements the exact browser extension in this I-D right now, all one
bit of it. If you claim that we're lying, just say so.
See this page for details: http://support.microsoft.com/kb/2980016
R's,
John