Fixed long-standing Firefox 2 selectNodeContents() bug
Fixed long-standing Firefox 2 selectNodeContents() bug

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