Fix bug in mark-updating code
Fix bug in mark-updating code

Closes #308

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