[less mode] Fix null dereference bug
[less mode] Fix null dereference bug

Issue #1926

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