On Thu, Oct 06 2011, Lars Magne Ingebrigtsen wrote:

> If it's Zimbra, it can try unquirked first, and then quirked.  Or we
> could just remove the quirk and let old-timey Zimbra users fry.

I just learnt the version of Zimbra I have to use is a version 5.x. I don't
know what version you used. So maybe the double space bug has been
added in a later version. What version did you tested?

-- 
Julien Danjou