We are ignoring all attributes with this tag, but we shouldn't. Worst case they should be readable, which is what this patch does. In the future we should probably actually allow them to be replaced, with some kind of custom code.
Created attachment 108729 [details] replaceable.diff
Comment on attachment 108729 [details] replaceable.diff Looks good. Better open abug for the the FIXME.
Comment on attachment 108729 [details] replaceable.diff Clearing flags on attachment: 108729 Committed r96009: <http://trac.webkit.org/changeset/96009>
All reviewed patches have been landed. Closing bug.
Replaceable (as far as I can remember) is really is only there to support the fact that the DOMWindow is also the global object, so it probably doesn't makes sense outside of JavaScript.