Fix drag-outside-of-iframe confusion in IE9+
Fix drag-outside-of-iframe confusion in IE9+

Issue #2219

morrisonwudi/CodeMirror,symbla/CodeMirror,alur/CodeMirror,fmoliveira/CodeMirror,codio/CodeMirror,manderson23/CodeMirror,mightyguava/CodeMirror,xeronith/CodeMirror,TechnicalPursuit/CodeMirror,bgrins/CodeMirror,alur/CodeMirror,webida/CodeMirror,Allenice/CodeMirror,adobe/CodeMirror2,jessegrosjean/CodeMirror,jessegrosjean/CodeMirror,ThebingServices/CodeMirror,joshterrell805-historic/CodeMirror,mihailik/CodeMirror,ficristo/CodeMirror,axter/CodeMirror,rrandom/CodeMirror,melpon/CodeMirror,vincentwoo/CodeMirror,michaelerobertsjr/CodeMirror,qiankun007/CodeMirror,jayaprabhakar/CodeMirror,abdelouahabb/CodeMirror,NumbersInternational/CodeMirror,amshali/CodeMirror,karthikeyansam/CodeMirror,bocharsky-bw/CodeMirror,Navaneethsen/CodeMirror,supriyantomaftuh/CodeMirror,isdampe/CodeMirror,kangkot/CodeMirror,mihailik/CodeMirror,kerabromsmu/CodeMirror,notepadqq/CodeMirror,davidpham87/CodeMirror,increpare/CodeMirror,Icenium/CodeMirror,anthonygego/CodeMirror,EasonYi/CodeMirror,dudb/CodeMirror,kuangyeheng/CodeMirror,mihailik/CodeMirror,EasonYi/CodeMirror,xeronith/CodeMirror,skylarkcob/CodeMirror,webida/CodeMirror,davidpham87/CodeMirror,mightyguava/CodeMirror,happibum/CodeMirror-main,crazy4chrissi/CodeMirror,karthikeyansam/CodeMirror,happibum/CodeMirror-main,qiankun007/CodeMirror,apatawari/CodeMirror,Navaneethsen/CodeMirror,DustinH/CodeMirror,ZombieHippie/CodeMirror,nightwing/CodeMirror,namin/CodeMirror,elisee/CodeMirror,Allenice/CodeMirror,Dominator008/CodeMirror,kuangyeheng/CodeMirror,jkaplon/CodeMirror,dudb/CodeMirror,crazy4chrissi/CodeMirror,rustemferreira/CodeMirror,mightyguava/CodeMirror,ashmind/CodeMirror,increpare/CodeMirror,Icenium/CodeMirror,Jisuanke/CodeMirror,Dominator008/CodeMirror,cintiamh/CodeMirror,notepadqq/CodeMirror,philuchansky/CodeMirror,KamranMackey/CodeMirror,morrisonwudi/CodeMirror,sourcelair/CodeMirror,increpare/CodeMirror,DustinH/CodeMirror,EasonYi/CodeMirror,webida/CodeMirror,skylarkcob/CodeMirror,dperetti/CodeMirror,INTELOGIE/CodeMirror,supriyantomaftuh/CodeMirror,fmoliveira/CodeMirror,SidPresse/CodeMirror,wingify/CodeMirror,Aliccer/CodeMirror,sanyaade-iot/CodeMirror,davidpham87/CodeMirror,vincentwoo/CodeMirror,d0liver/CodeMirror,nightwing/CodeMirror,thomasjm/CodeMirror,kerabromsmu/CodeMirror,belph/CodeMirror,matthewbauer/CodeMirror,sekcheong/CodeMirror,mizchi/CodeMirror,sourcelair/CodeMirror,bluesh55/CodeMirror,buchslava/CodeMirror,antimatter15/CodeMirror,antimatter15/CodeMirror,ficristo/CodeMirror,belph/CodeMirror,CartoDB/CodeMirror,pabloferz/CodeMirror,morrisonwudi/CodeMirror,trumanliu/CodeMirror,TDaglis/CodeMirror,mtaran-google/CodeMirror,Icenium/CodeMirror,d0liver/CodeMirror,ThebingServices/CodeMirror,r7kamura/CodeMirror,gkoberger/CodeMirror,jpolitz/CodeMirror,DustinH/CodeMirror,jkaplon/CodeMirror,NeZaMy/CodeMirror2,ssxxue/CodeMirror,TDaglis/CodeMirror,MarcelGerber/CodeMirror,belph/CodeMirror,ThebingServices/CodeMirror,sgoo/CodeMirror,elisee/CodeMirror,TechnicalPursuit/CodeMirror,tpphu/CodeMirror,jpolitz/CodeMirror,Aliccer/CodeMirror,manderson23/CodeMirror,sekcheong/CodeMirror,INTELOGIE/CodeMirror,amsul/CodeMirror,dbarnett/CodeMirror,Allenice/CodeMirror,antimatter15/CodeMirror,kk9599/CodeMirror,bluesh55/CodeMirror,adobe/CodeMirror2,mtaran-google/CodeMirror,bfrohs/CodeMirror,rasata/CodeMirror,skylarkcob/CodeMirror,jkaplon/CodeMirror,ejgallego/CodeMirror,jayaprabhakar/CodeMirror,crazy4chrissi/CodeMirror,kuangyeheng/CodeMirror,jessegrosjean/CodeMirror,NeZaMy/CodeMirror2,symbla/CodeMirror,AlanWasTaken/codemirror,ksanaforge/CodeMirror,codio/CodeMirror,schanzer/CodeMirror,InternetGuru/CodeMirror,pinbe/CodeMirror,grzegorzmazur/CodeMirror,rasata/CodeMirror,loopspace/CodeMirror,grzegorzmazur/CodeMirror,nawroth/CodeMirror,anthonygego/CodeMirror,karevn/CodeMirror,ZombieHippie/CodeMirror,philuchansky/CodeMirror,cintiamh/CodeMirror,ksanaforge/CodeMirror,schanzer/CodeMirror,michaelerobertsjr/CodeMirror,wingify/CodeMirror,djadmin/CodeMirror,camellhf/CodeMirror,KamranMackey/CodeMirror,fivetran/CodeMirror,qiankun007/CodeMirror,bfrohs/CodeMirror,codio/CodeMirror,kk9599/CodeMirror,grzegorzmazur/CodeMirror,ejgallego/CodeMirror,fmoliveira/CodeMirror,dbarnett/CodeMirror,kangkot/CodeMirror,camellhf/CodeMirror,abdelouahabb/CodeMirror,KamranMackey/CodeMirror,djadmin/CodeMirror,amsul/CodeMirror,hackmdio/CodeMirror,nightwing/CodeMirror,apatawari/CodeMirror,mizchi/CodeMirror,ssxxue/CodeMirror,dudb/CodeMirror,gkoberger/CodeMirror,kangkot/CodeMirror,bocharsky-bw/CodeMirror,rasata/CodeMirror,flyskyko/CodeMirror,agendor/CodeMirror,TechnicalPursuit/CodeMirror,amshali/CodeMirror,symbla/CodeMirror,ficristo/CodeMirror,pinbe/CodeMirror,karevn/CodeMirror,rustemferreira/CodeMirror,vanloswang/CodeMirror,shiren/CodeMirror,ssxxue/CodeMirror,qweasd1/CodeMirror,CartoDB/CodeMirror,kk9599/CodeMirror,mizchi/CodeMirror,sekcheong/CodeMirror,bfrohs/CodeMirror,manderson23/CodeMirror,namin/CodeMirror,schanzer/CodeMirror,cintiamh/CodeMirror,dperetti/CodeMirror,rustemferreira/CodeMirror,dperetti/CodeMirror,sourcelair/CodeMirror,INTELOGIE/CodeMirror,NeZaMy/CodeMirror2,abdelouahabb/CodeMirror,bgrins/CodeMirror,pabloferz/CodeMirror,tpphu/CodeMirror,agendor/CodeMirror,adobe/CodeMirror2,loopspace/CodeMirror,kerabromsmu/CodeMirror,mtaran-google/CodeMirror,Navaneethsen/CodeMirror,bgrins/CodeMirror,thomasjm/CodeMirror,buchslava/CodeMirror,axter/CodeMirror,joshterrell805-historic/CodeMirror,ashmind/CodeMirror,ksanaforge/CodeMirror,djadmin/CodeMirror,jpolitz/CodeMirror,kevinushey/CodeMirror,Ermlab/CodeMirror,vincentwoo/CodeMirror,hccampos/CodeMirror,happibum/CodeMirror-main,matthewbauer/CodeMirror,pjkui/CodeMirror,amshali/CodeMirror,hackmdio/CodeMirror,Aliccer/CodeMirror,MarcelGerber/CodeMirror,jayaprabhakar/CodeMirror,Ermlab/CodeMirror,cben/CodeMirror,qweasd1/CodeMirror,wingify/CodeMirror,michaelerobertsjr/CodeMirror,ashmind/CodeMirror,sanyaade-iot/CodeMirror,kevinushey/CodeMirror,hccampos/CodeMirror,r7kamura/CodeMirror,philuchansky/CodeMirror,hccampos/CodeMirror,pinbe/CodeMirror,d0liver/CodeMirror,GerHobbelt/CodeMirror2,trumanliu/CodeMirror,AlanWasTaken/codemirror,kolya-ay/CodeMirror,elisee/CodeMirror,systay/CodeMirror,systay/CodeMirror,karthikeyansam/CodeMirror,notepadqq/CodeMirror,shiren/CodeMirror,ejgallego/CodeMirror,flyskyko/CodeMirror,dbarnett/CodeMirror,sgoo/CodeMirror,bluesh55/CodeMirror,anthonygego/CodeMirror,nawroth/CodeMirror,rrandom/CodeMirror,SidPresse/CodeMirror,trumanliu/CodeMirror,melpon/CodeMirror,r7kamura/CodeMirror,NumbersInternational/CodeMirror,melpon/CodeMirror,MarcelGerber/CodeMirror,loopspace/CodeMirror,xeronith/CodeMirror,Dominator008/CodeMirror,gkoberger/CodeMirror,wbinnssmith/CodeMirror,isdampe/CodeMirror,vanloswang/CodeMirror,apatawari/CodeMirror,Jisuanke/CodeMirror,qweasd1/CodeMirror,wbinnssmith/CodeMirror,systay/CodeMirror,tpphu/CodeMirror,vanloswang/CodeMirror,GerHobbelt/CodeMirror2,buchslava/CodeMirror,cben/CodeMirror,camellhf/CodeMirror,SidPresse/CodeMirror,thomasjm/CodeMirror,pjkui/CodeMirror,bocharsky-bw/CodeMirror,karevn/CodeMirror,InternetGuru/CodeMirror,NumbersInternational/CodeMirror,shiren/CodeMirror,pjkui/CodeMirror,sanyaade-iot/CodeMirror,namin/CodeMirror,supriyantomaftuh/CodeMirror,TDaglis/CodeMirror,matthewbauer/CodeMirror,isdampe/CodeMirror,pabloferz/CodeMirror,kolya-ay/CodeMirror,alur/CodeMirror,fivetran/CodeMirror,AlanWasTaken/codemirror,Jisuanke/CodeMirror,agendor/CodeMirror,hackmdio/CodeMirror,flyskyko/CodeMirror,webida/CodeMirror,ZombieHippie/CodeMirror,rrandom/CodeMirror,nawroth/CodeMirror,InternetGuru/CodeMirror,axter/CodeMirror