I'd like to contribute here. I have the same proablem, however, I found a rather unusual solution.
And so far the solution I see is, to put quote in between paragraphs.
Here is an example:
I am now writing my blog. Ha ha!
(hit enter or return once, then right in this very blank area you click the "Quote button" above your text, then hit enter again)
Ha ha! Hi der! Yor toking loks bery funny. Ha ha!
This should work, because it just worked for me. I also use firefox in my mac. Try it and see what happens. Hope this helps!