Fix undo bug
Fix undo bug

issue #2436

Kaenn/Ghost,madole/diverse-learners,gcamana/Ghost,floofydoug/Ghost,e10/Ghost,ngosinafrica/SiteForNGOs,Elektro1776/javaPress,Netazoic/bad-gateway,RufusMbugua/TheoryOfACoder,PaulBGD/Ghost-Plus,Sebastian1011/Ghost,delgermurun/Ghost,singular78/Ghost,tadityar/Ghost,Alxandr/Blog,duyetdev/islab,kaychaks/kaushikc.org,greenboxindonesia/Ghost,VillainyStudios/Ghost,smedrano/Ghost,carlyledavis/Ghost,Sing-Li/GhostSS,daihuaye/Ghost,allanjsx/Ghost,alecho/Ghost,uploadcare/uploadcare-ghost-demo,veyo-care/Ghost,arvidsvensson/Ghost,petersucks/blog,sceltoas/Ghost,DesenTao/Ghost,wangjun/Ghost,camilodelvasto/herokughost,jacostag/Ghost,Rovak/Ghost,dymx101/Ghost,tyrikio/Ghost,leonli/ghost,jin/Ghost,vainglori0us/urban-fortnight,bastianbin/Ghost,k2byew/Ghost,bsansouci/Ghost,Trendy/Ghost,hnarayanan/narayanan.co,pbevin/Ghost,Romdeau/Ghost,ivanoats/ivanstorck.com,metadevfoundation/Ghost,achimos/ghost_as,bigertech/Ghost,davidenq/Ghost-Blog,InnoD-WebTier/hardboiled_ghost,allanjsx/Ghost,ananthhh/Ghost,bitjson/Ghost,lukw00/Ghost,novaugust/Ghost,camilodelvasto/herokughost,virtuallyearthed/Ghost,patterncoder/patterncoder,pollbox/ghostblog,Netazoic/bad-gateway,kevinansfield/Ghost,ladislas/ghost,lf2941270/Ghost,JohnONolan/Ghost,Coding-House/Ghost,Loyalsoldier/Ghost,UnbounDev/Ghost,vloom/blog,thehogfather/Ghost,ljhsai/Ghost,load11/ghost,theonlypat/Ghost,dggr/Ghost-sr,Loyalsoldier/Ghost,dai-shi/Ghost,stridespace/Ghost,phillipalexander/Ghost,praveenscience/Ghost,dggr/Ghost-sr,rafaelstz/Ghost,zackslash/Ghost,zuphu/GhostBlog,hoxoa/Ghost,manishchhabra/Ghost,wallmarkets/Ghost,letsjustfixit/Ghost,anijap/PhotoGhost,patrickdbakke/ghost-spa,lowkeyfred/Ghost,pbevin/Ghost,diogogmt/Ghost,djensen47/Ghost,panezhang/Ghost,NamedGod/Ghost,jorgegilmoreira/ghost,vloom/blog,JonSmith/Ghost,smedrano/Ghost,leonli/ghost,andrewconnell/Ghost,virtuallyearthed/Ghost,akveo/akveo-blog,ryansukale/ux.ryansukale.com,rmoorman/Ghost,RoopaS/demo-intern,Netazoic/bad-gateway,kaychaks/kaushikc.org,notno/Ghost,VillainyStudios/Ghost,rizkyario/Ghost,Feitianyuan/Ghost,Aaron1992/Ghost,johngeorgewright/blog.j-g-w.info,jin/Ghost,kaiqigong/Ghost,ghostchina/Ghost-zh,AnthonyCorrado/Ghost,Alxandr/Blog,diancloud/Ghost,makapen/Ghost,thomasalrin/Ghost,ITJesse/Ghost-zh,bisoe/Ghost,ivanoats/ivanstorck.com,ngosinafrica/SiteForNGOs,ddeveloperr/Ghost,bsansouci/Ghost,davidenq/Ghost-Blog,adam-paterson/blog,allspiritseve/mindlikewater,rwjblue/Ghost,Azzurrio/Ghost,cncodog/Ghost-zh-codog,davegw/dgw-website,Klaudit/Ghost,aroneiermann/GhostJade,jacostag/Ghost,vishnuharidas/Ghost,Jai-Chaudhary/Ghost,PeterCxy/Ghost,gcamana/Ghost,flomotlik/Ghost,KnowLoading/Ghost,nneko/Ghost,mohanambati/Ghost,tchapi/igneet-blog,cqricky/Ghost,wspandihai/Ghost,mnitchie/Ghost,liftup/ghost,alexandrachifor/Ghost,blankmaker/Ghost,obsoleted/Ghost,johngeorgewright/blog.j-g-w.info,riyadhalnur/Ghost,AlexKVal/Ghost,jamesslock/Ghost,mohanambati/Ghost,yundt/seisenpenji,telco2011/Ghost,beautyOfProgram/Ghost,mtvillwock/Ghost,aexmachina/blog-old,TryGhost/Ghost,situkangsayur/Ghost,zeropaper/Ghost,diancloud/Ghost,ThorstenHans/Ghost,SachaG/bjjbot-blog,Japh/Ghost,edurangel/Ghost,GarrethDottin/Habits-Design,floofydoug/Ghost,karmakaze/Ghost,morficus/Ghost,wemakeweb/Ghost,etanxing/Ghost,dbalders/Ghost,SachaG/bjjbot-blog,allspiritseve/mindlikewater,alanmoo/moo-on-the-web,dgem/Ghost,mattchupp/blog,r1N0Xmk2/Ghost,shannonshsu/Ghost,obsoleted/Ghost,shrimpy/Ghost,kolorahl/Ghost,katiefenn/Ghost,vlmhco/personal-blog,weareleka/blog,hoxoa/Ghost,Azzurrio/Ghost,ErisDS/Ghost,daihuaye/Ghost,cwonrails/Ghost,thinq4yourself/Unmistakable-Blog,benstoltz/Ghost,ManRueda/Ghost,aroneiermann/GhostJade,ckousik/Ghost,psychobunny/Ghost,augbog/Ghost,davidmenger/nodejsfan,NamedGod/Ghost,mttschltz/ghostblog,praveenscience/Ghost,UnbounDev/Ghost,mdbw/ghost,dbalders/Ghost,lowkeyfred/Ghost,xiongjungit/Ghost,SkynetInc/steam,jomofrodo/ccb-ghost,PepijnSenders/whatsontheotherside,PDXIII/Ghost-FormMailer,Dnlyc/Ghost,zumobi/Ghost,prosenjit-itobuz/Ghost,schneidmaster/theventriloquist.us,Bunk/Ghost,schneidmaster/theventriloquist.us,jiangjian-zh/Ghost,cwonrails/Ghost,claudiordgz/Ghost,ignasbernotas/nullifer,Alxandr/Blog,Xibao-Lv/Ghost,schematical/Ghost,xiongjungit/Ghost,flpms/ghost-ad,carlyledavis/Ghost,kortemy/Ghost,sajmoon/Ghost,avh4/blog.avh4.net,skmezanul/Ghost,edsadr/Ghost,daimaqiao/Ghost-Bridge,mattchupp/blog,jaguerra/Ghost,Shauky/Ghost,sunh3/Ghost,zhiyishou/Ghost,Kikobeats/Ghost,gabfssilva/Ghost,javorszky/Ghost,rollokb/Ghost,RufusMbugua/TheoryOfACoder,mlabieniec/ghost-env,mohanambati/Ghost,woodyrew/Ghost,javimolla/Ghost,Japh/shortcoffee,dymx101/Ghost,bbmepic/Ghost,janvt/Ghost,ghostchina/website,cicorias/Ghost,rito/Ghost,denzelwamburu/denzel.xyz,rouanw/Ghost,petersucks/blog,rito/Ghost,darvelo/Ghost,memezilla/Ghost,jamesyothers/Ghost,davidenq/Ghost-Blog,djensen47/Ghost,kwangkim/Ghost,chris-yoon90/Ghost,sebgie/Ghost,ashishapy/ghostpy,Romdeau/Ghost,IbrahimAmin/Ghost,kevinansfield/Ghost,Elektro1776/javaPress,sfpgmr/Ghost,mhhf/ghost-latex,chevex/undoctrinate,Smile42RU/Ghost,shrimpy/Ghost,sangcu/Ghost,no1lov3sme/Ghost,oimou-house/blog,sifatsultan/js-ghost,kortemy/Ghost,velimir0xff/Ghost,cobbspur/Ghost,sergeylukin/Ghost,BlueHatbRit/Ghost,akveo/akveo-blog,Rovak/Ghost,kaiqigong/Ghost,barbastan/Ghost,dggr/Ghost-sr,ashishapy/ghostpy,dai-shi/Ghost,weareleka/blog,adam-paterson/blog,ineitzke/Ghost,icowan/Ghost,MadeOnMars/Ghost,pathayes/FoodBlog,etanxing/Ghost,katrotz/blog.katrotz.space,hyokosdeveloper/Ghost,etdev/blog,javimolla/Ghost,handcode7/Ghost,developer-prosenjit/Ghost,kwangkim/Ghost,ManRueda/Ghost,Remchi/Ghost,melissaroman/ghost-blog,rollokb/Ghost,acburdine/Ghost,NovaDevelopGroup/Academy,JulienBrks/Ghost,augbog/Ghost,jgillich/Ghost,tanbo800/Ghost,jgillich/Ghost,pedroha/Ghost,ManRueda/Ghost,wemakeweb/Ghost,DesenTao/Ghost,hyokosdeveloper/Ghost,Yarov/yarov,theonlypat/Ghost,influitive/crafters,mdbw/ghost,choskim/Ghost,skmezanul/Ghost,axross/ghost,YY030913/Ghost,anijap/PhotoGhost,ericbenson/GhostAzureSetup,ManRueda/manrueda-blog,consoleblog/consoleblog,eduardojmatos/eduardomatos.me,ryanorsinger/tryghost,imjerrybao/Ghost,yanntech/Ghost,sunh3/Ghost,aschmoe/jesse-ghost-app,prosenjit-itobuz/Ghost,situkangsayur/Ghost,mttschltz/ghostblog,Kaenn/Ghost,bastianbin/Ghost,Brunation11/Ghost,InnoD-WebTier/hardboiled_ghost,jaguerra/Ghost,YY030913/Ghost,Klaudit/Ghost,etdev/blog,zeropaper/Ghost,Jai-Chaudhary/Ghost,madole/diverse-learners,francisco-filho/Ghost,r14r/fork_nodejs_ghost,barbastan/Ghost,zackslash/Ghost,mnitchie/Ghost,epicmiller/pages,jorgegilmoreira/ghost,dqj/Ghost,k2byew/Ghost,lanffy/Ghost,NovaDevelopGroup/Academy,ladislas/ghost,edsadr/Ghost,greenboxindonesia/Ghost,Sebastian1011/Ghost,lukaszklis/Ghost,vainglori0us/urban-fortnight,ManRueda/manrueda-blog,atandon/Ghost,ygbhf/Ghost,jomofrodo/ccb-ghost,nneko/Ghost,GroupxDev/javaPress,thehogfather/Ghost,sfpgmr/Ghost,daimaqiao/Ghost-Bridge,JonSmith/Ghost,cicorias/Ghost,leonli/ghost,qdk0901/Ghost,cncodog/Ghost-zh-codog,NikolaiIvanov/Ghost,rameshponnada/Ghost,francisco-filho/Ghost,jparyani/GhostSS,exsodus3249/Ghost,rameshponnada/Ghost,ghostchina/Ghost.zh,shannonshsu/Ghost,pensierinmusica/Ghost,klinker-apps/ghost,ckousik/Ghost,jparyani/GhostSS,cgiffard/Ghost,sceltoas/Ghost,codeincarnate/Ghost,lcamacho/Ghost,dYale/blog,tanbo800/Ghost,allanjsx/Ghost,LeandroNascimento/Ghost,sebgie/Ghost,ASwitlyk/Ghost,aschmoe/jesse-ghost-app,bosung90/Ghost,bbmepic/Ghost,krahman/Ghost,bitjson/Ghost,BlueHatbRit/Ghost,Elektro1776/javaPress,syaiful6/Ghost,tksander/Ghost,mhhf/ghost-latex,devleague/uber-hackathon,trunk-studio/Ghost,ThorstenHans/Ghost,nakamuraapp/new-ghost,ericbenson/GhostAzureSetup,jamesyothers/Ghost,fredeerock/atlabghost,thinq4yourself/Unmistakable-Blog,Yarov/yarov,exsodus3249/Ghost,NovaDevelopGroup/Academy,olsio/Ghost,davegw/dgw-website,velimir0xff/Ghost,laispace/laiblog,klinker-apps/ghost,pathayes/FoodBlog,ryanbrunner/crafters,trepafi/ghost-base,lethalbrains/Ghost,phillipalexander/Ghost,handcode7/Ghost,arvidsvensson/Ghost,JonathanZWhite/Ghost,syaiful6/Ghost,kevinansfield/Ghost,imjerrybao/Ghost,yangli1990/Ghost,manishchhabra/Ghost,no1lov3sme/Ghost,influitive/crafters,atandon/Ghost,v3rt1go/Ghost,devleague/uber-hackathon,riyadhalnur/Ghost,lanffy/Ghost,uploadcare/uploadcare-ghost-demo,sebgie/Ghost,janvt/Ghost,jomofrodo/ccb-ghost,mlabieniec/ghost-env,cysys/ghost-openshift,AlexKVal/Ghost,liftup/ghost,delgermurun/Ghost,dYale/blog,nmukh/Ghost,JohnONolan/Ghost,ryanbrunner/crafters,karmakaze/Ghost,stridespace/Ghost,jamesslock/Ghost,stridespace/Ghost,cqricky/Ghost,kmeurer/Ghost,KnowLoading/Ghost,ljhsai/Ghost,omaracrystal/Ghost,dbalders/Ghost,jiangjian-zh/Ghost,codeincarnate/Ghost,Remchi/Ghost,omaracrystal/Ghost,JohnONolan/Ghost,dylanchernick/ghostblog,Bunk/Ghost,MadeOnMars/Ghost,Japh/shortcoffee,kolorahl/Ghost,thomasalrin/Ghost,claudiordgz/Ghost,rchrd2/Ghost,davidmenger/nodejsfan,cysys/ghost-openshift,lukw00/Ghost,pedroha/Ghost,Polyrhythm/dolce,metadevfoundation/Ghost,dqj/Ghost,pensierinmusica/Ghost,benstoltz/Ghost,camilodelvasto/localghost,PaulBGD/Ghost-Plus,yanntech/Ghost,scopevale/wethepeopleweb.org,FredericBernardo/Ghost,jeonghwan-kim/Ghost,hilerchyn/Ghost,hilerchyn/Ghost,diogogmt/Ghost,rafaelstz/Ghost,bisoe/Ghost,skleung/blog,johnnymitch/Ghost,singular78/Ghost,choskim/ghost_exp,cwonrails/Ghost,mayconxhh/Ghost,edurangel/Ghost,duyetdev/islab,sergeylukin/Ghost,johnnymitch/Ghost,Kaenn/Ghost,laispace/laiblog,GarrethDottin/Habits-Design,optikalefx/Ghost,denzelwamburu/denzel.xyz,flomotlik/Ghost,trunk-studio/Ghost,sankumsek/Ghost-ashram,Netazoic/bad-gateway,smaty1/Ghost,jomahoney/Ghost,rchrd2/Ghost,UsmanJ/Ghost,skleung/blog,makapen/Ghost,jorgegilmoreira/ghost,AileenCGN/Ghost,Dnlyc/Ghost,jomahoney/Ghost,Brunation11/Ghost,neynah/GhostSS,wspandihai/Ghost,rmoorman/Ghost,singular78/Ghost,morficus/Ghost,tandrewnichols/ghost,mayconxhh/Ghost,cncodog/Ghost-zh-codog,memezilla/Ghost,STANAPO/Ghost,tandrewnichols/ghost,ryansukale/ux.ryansukale.com,ManRueda/manrueda-blog,ClarkGH/Ghost,wallmarkets/Ghost,ignasbernotas/nullifer,sangcu/Ghost,lf2941270/Ghost,novaugust/Ghost,ivantedja/ghost,psychobunny/Ghost,NodeJSBarenko/Ghost,yundt/seisenpenji,carlosmtx/Ghost,cysys/ghost-openshift,ineitzke/Ghost,veyo-care/Ghost,Smile42RU/Ghost,lethalbrains/Ghost,freele/ghost,schematical/Ghost,r1N0Xmk2/Ghost,chris-yoon90/Ghost,neynah/GhostSS,hnq90/Ghost,hnarayanan/narayanan.co,telco2011/Ghost,smaty1/Ghost,mikecastro26/ghost-custom,gleneivey/Ghost,PDXIII/Ghost-FormMailer,beautyOfProgram/Ghost,netputer/Ghost,Japh/Ghost,optikalefx/Ghost,ITJesse/Ghost-zh,jiachenning/Ghost,Kikobeats/Ghost,patterncoder/patterncoder,tyrikio/Ghost,qdk0901/Ghost,camilodelvasto/localghost,TryGhost/Ghost,dgem/Ghost,ClarkGH/Ghost,achimos/ghost_as,kmeurer/GhostAzureSetup,lukekhamilton/Ghost,JulienBrks/Ghost,lukaszklis/Ghost,lukekhamilton/Ghost,tadityar/Ghost,Feitianyuan/Ghost,kortemy/Ghost,e10/Ghost,LeandroNascimento/Ghost,letsjustfixit/Ghost,ananthhh/Ghost,TryGhost/Ghost,ballPointPenguin/Ghost,rouanw/Ghost,ballPointPenguin/Ghost,llv22/Ghost,Kikobeats/Ghost,ErisDS/Ghost,ErisDS/Ghost,tidyui/Ghost,hnq90/Ghost,UsmanJ/Ghost,greyhwndz/Ghost,panezhang/Ghost,devleague/uber-hackathon,SkynetInc/steam,uniqname/everydaydelicious,Gargol/Ghost,vainglori0us/urban-fortnight,GroupxDev/javaPress,katrotz/blog.katrotz.space,pollbox/ghostblog,PepijnSenders/whatsontheotherside,tidyui/Ghost,gleneivey/Ghost,zumobi/Ghost,acburdine/Ghost,choskim/GhostAzure,llv22/Ghost,tksander/Ghost,ygbhf/Ghost,developer-prosenjit/Ghost,Xibao-Lv/Ghost,woodyrew/Ghost,acburdine/Ghost,blankmaker/Ghost,GroupxDev/javaPress,wangjun/Ghost,BayPhillips/Ghost,choskim/GhostAzure,rizkyario/Ghost,sifatsultan/js-ghost,mtvillwock/Ghost,neynah/GhostSS,Gargol/Ghost,notno/Ghost,jparyani/GhostSS,daimaqiao/Ghost-Bridge,fredeerock/atlabghost,r14r/fork_nodejs_ghost,yangli1990/Ghost,ddeveloperr/Ghost,jiachenning/Ghost,jaswilli/Ghost,alecho/Ghost,telco2011/Ghost,choskim/Ghost,carlosmtx/Ghost,Trendy/Ghost,AnthonyCorrado/Ghost,InnoD-WebTier/hardboiled_ghost,andrewconnell/Ghost,BayPhillips/Ghost,jgladch/taskworksource,TribeMedia/Ghost,sajmoon/Ghost,PeterCxy/Ghost,TribeMedia/Ghost,javorszky/Ghost,leninhasda/Ghost,zhiyishou/Ghost,jaswilli/Ghost,novaugust/Ghost,Empeeric/justanidea,JonathanZWhite/Ghost,julianromera/Ghost,IbrahimAmin/Ghost,netputer/Ghost,icowan/Ghost,letsjustfixit/Ghost,STANAPO/Ghost,Coding-House/Ghost,disordinary/Ghost,leninhasda/Ghost,axross/ghost,MrMaksimize/sdg1,darvelo/Ghost,flpms/ghost-ad,tuan/Ghost,olsio/Ghost,mlabieniec/ghost-env,NikolaiIvanov/Ghost,tmp-reg/Ghost,rizkyario/Ghost,julianromera/Ghost,dylanchernick/ghostblog,epicmiller/pages,laispace/laiblog,jeonghwan-kim/Ghost,v3rt1go/Ghost,ghostchina/Ghost.zh,disordinary/Ghost,FredericBernardo/Ghost,tmp-reg/Ghost,kmeurer/Ghost,ASwitlyk/Ghost,greyhwndz/Ghost,gabfssilva/Ghost,bosung90/Ghost,melissaroman/ghost-blog,nmukh/Ghost,load11/ghost,ghostchina/Ghost-zh