Fix for issue 84
Fix for issue 84

GerHobbelt/Rangy,emil-mi/rangy,yangdm2015/vue-rangy,zimme/rangy,timdown/rangy,emil-mi/rangy,yangdm2015/vue-rangy,izhan/rangy,KamiHQ/rangy,KamiHQ/rangy,shuizhongyueming/rangy,izhan/rangy,brymacto/rangy,shuizhongyueming/rangy,etodd/rangy,wotzisname/rangy,lpsBetty/rangy,brymacto/rangy,etodd/rangy,timdown/rangy,djbuch/rangy,djbuch/rangy,lpsBetty/rangy,sashless/rangy,sashless/rangy,zimme/rangy,wotzisname/rangy,GerHobbelt/Rangy