all tests pass in IE7
all tests pass in IE7

akre54/backbone,ntgn81/backbone,Flip120/backbone,tgriesser/backbone,componentizr/backbone,darrrk/backbone,wxmfront/backbone,elma-cao/backbone,npmcomponent/solutionio-backbone,oss-practice/backbone,wxmfront/backbone,wangdahoo/backbone,mpapp/backbone,yawenl/backbone,kuychaco/backbone,cailong1028/backbone,cgvarela/backbone,d2s/backbone,streamablevideo/backbone,dillonforrest/backbone-df-2,paulfalgout/backbone,rwaldron/backbone,Niades/backbone,zhoufan879/backbone,micho/backbone-prototype,ThiagoGarciaAlves/backbone,cgvarela/backbone,lujocom/backbone,ebsco/backbone,getshuvo/backbone,feychenie/backbone,yuhualingfeng/backbone,Connectlegendary/backbone,npmcomponent/jashkenas-backbone,dillonforrest/backbone-df,moccen/backbone,npmcomponent/solutionio-backbone,DannyDelott/backbone,moimikey/backbone,anhtholee/backbone,howtolearntocode/backbone,ebsco/backbone,jungjung917/backbone,udhayam/backbone,tadwhitaker/backbone,Aplopio/backbone,zhoufan879/backbone,trizko/backbone,embarknow/backbone,addyosmani/backbone,LovelyL25/backbone.js,edgeware/backbone,FishbaitHarry/backbone,darrrk/backbone,dillonforrest/backbone-df-2,yawenl/backbone,Khan/backbone,maryrosecook/backbone-df-2,jasoncbautista/backboneX,dillonforrest/backbone-df,gougouGet/backbone,tadwhitaker/backbone,ridixcr/backbone,IsoldaJS/isolda-models,malandrew/backbone,Connectlegendary/backbone,d2s/backbone,antoniogarrote/backbone,huanglp47/backbone,amitpatange88/backbonejs,webcoding/backbone,LovelyL25/backbone.js,trizko/backbone,Sachin-Ganesh/backbone,wushuyi/backbone,DannyDelott/backbone,zgl2007dj/backbone,maryrosecook/backbone-df-2,jungjung917/backbone,virtru-components/backbone,jashkenas/backbone,micho/backbone-prototype,jstrimpel/backbone,zgl2007dj/backbone,rashmisajjan/backbone,closeio/backbone,wjb12/backbone,zdespolit/backbone,megawac/backbone,gfranko/backbone,pandoraui/backbone,feychenie/backbone,mmolinastudio/backbone,getshuvo/backbone,jashkenas/backbone,timebackzhou/backbone,huanglp47/backbone,moccen/backbone,neocotic/hipbone,Akkuma/backbone,youprofit/backbone,malandrew/backbone,sunday-star/backbone,pandoraui/backbone,sunday-star/backbone,vincent1988/backbone,liudianpeng/backbone,GerHobbelt/backbone,mrblueblue/backbone,ThisIsManta/Backbone,rjz/boneless,gmaclennan/backbone,GrimDerp/backbone,streamablevideo/backbone,Niades/backbone,rwaldron/backbone,linalu1/backbone,elma-cao/backbone,wangcan2014/backbone,jewsroch/backbone,neocotic/hipbone,JesseQin/backbone,leimd/backbone,vin100bk/backbone,nikolas/backbone,Aplopio/backbone,Diwahars/backbone,nvoron23/backbone,GerHobbelt/backbone,Khan/backbone,braddunbar/backbone,sueyeh/backbone,guahanweb/backbone,chyeh727/backbone,yuhualingfeng/backbone,gdi2290/backbone,mmolinastudio/backbone,craigmichaelmartin/backbone,ppker/backbone,dillonforrest/backbone-df-2,Khan/backbone,webapp/library,premkumargithub/backbone,lujocom/backbone,maryrosecook/backbone-df,premkumargithub/backbone,guigrpa/backbone,dak/backbone,wangcan2014/backbone,honger05/backbone,paulfalgout/backbone,fanhc019/backbone,mrblueblue/backbone,FormidableLabs/backbone,JesseQin/backbone,embarknow/backbone,7213/backbone,wangdahoo/backbone,au-phiware/backbone,Krasnyanskiy/backbone,closeio/backbone,ppker/backbone,zhangwei001/backbone,7213/backbone,cbas/backbone_todo,zhangdimelody/backbone,ntgn81/backbone,Sachin-Ganesh/backbone,sitexa/backbone,gmaclennan/backbone,gitterHQ/backbone,tibic/backbone,youprofit/backbone,sumyfly/backbone,dcheepurupalli/backbone,vlazzle/ax-todos,aihua/backbone,sumyfly/backbone,zhangdimelody/backbone,guahanweb/backbone,nikolas/backbone,ohbarye/backbone,luffy94608/backbone,juggy/backbone,platinumazure/backbone,Flip120/backbone,dillonforrest/backbone-df,vlazzle/ax-todos,christianqw/backbone,ohbarye/backbone,zdespolit/backbone,batigoal1980/backbone_example,jordansexton/backboner,alekskorolev/lightbones,webcoding/backbone,gfranko/backbone,ridixcr/backbone,ywenjinlin/backbone,chyeh727/backbone,Bug2014/backbone,udhayam/backbone,jmeas/backbone,gougouGet/backbone,aihua/backbone,jewsroch/backbone,alekskorolev/lightbones,Krasnyanskiy/backbone,tzkKrbys/backbone,platinumazure/backbone,GrimDerp/backbone,craigmichaelmartin/backbone,rashmisajjan/backbone,wushuyi/backbone,heroazure/backbone,ereddate/backbone,moimikey/backbone,lastjune/backbone,tzkKrbys/backbone,lastjune/backbone,addyosmani/backbone,cailong1028/backbone,sueyeh/backbone,elancom/backbone,vincent1988/backbone,christianqw/backbone,amitpatange88/backbonejs,wjb12/backbone,fanhc019/backbone,leimd/backbone,anhtholee/backbone,christianqw/backbone,ywenjinlin/backbone,elancom/backbone,ThisIsManta/Backbone,linalu1/backbone,vin100bk/backbone,akre54/backbone,jstrimpel/backbone,IsoldaJS/isolda-pubsub,tibic/backbone,dcheepurupalli/backbone,hugohua/backbone,Bug2014/backbone,howtolearntocode/backbone,batigoal1980/backbone_example,FishbaitHarry/backbone,maryrosecook/backbone-df,edgeware/backbone,jridgewell/backbone,au-phiware/backbone,maryrosecook/backbone-df,liudianpeng/backbone,Aplopio/backbone,Diwahars/backbone,webapp/library,dak/backbone,zhangwei001/backbone,jmeas/backbone,ThiagoGarciaAlves/backbone,jridgewell/backbone,nvoron23/backbone,braddunbar/backbone,sitexa/backbone,timebackzhou/backbone,kuychaco/backbone,ereddate/backbone,luffy94608/backbone,wakanpaladin/mybackbone,heroazure/backbone,amdjs/backbone,wakanpaladin/mybackbone,honger05/backbone,maryrosecook/backbone-df-2