Added a support comment, and updated spacing

As discussed in #1597.
@dmethvin, please note – https://github.com/jquery/jquery/pull/1597#issuecomment-46289967

@ChrisAntaki

> I was able to reproduce this issue by including a

I thought i already explain that – you didn't reproduce http://bugs.jquery.com/ticket/8138 with your test-case, i did however, your test-case is not relevant to this situation whatsoever, so please stop confusing people and yourself too.

That - 
> window.location

And situation <a href="http://kangax.github.io/domlint/">like this</a> was never our concern