See my original post - permanent Permanent Redirect works as designed ;) I was later trying to point out possible ambiguities in how the spec is interpreted vs.

See my original post - permanent Permanent Redirect works as designed ;) I was later trying to point out possible ambiguities in how the spec is interpreted vs. how it's written. In defense of the browsers - the RFC does say, in essence, "rewrite the 301'd URL and be done with it," so the browser does not even need to deal with the redirect any more.