mxcl/homebrew — pull request #24674 by mikemcquaid (2013-11-26 08:13:01+00:00)
Title: qt: use 4.8 branch snapshot for stable on 10.9.

Would be nice if this could be done another way but I think it's better than making users use --HEAD until Qt fixes their mess (in January):
http://permalink.gmane.org/gmane.comp.lib.qt.devel/13812