[whatwg] about:blank document handling in history

[Boris Zbarsky]

On 12/31/09 3:07 PM, Adam Barth wrote:
> Firefox and IE distinguish between about:blank documents and ""
> documents for this purpose, if I remember correctly.

At the moment, Firefox in fact does not.  See 
http://hg.mozilla.org/mozilla-central/annotate/8bb9bb88e997/content/base/src/nsFrameLoader.cpp#l162

We're considering possibly changing that internally, but the resulting 
external behavior would still need to be the same as now.

-Boris