Clarify debugging output and var names in TextRunScanner; get ready for node range management code.
Clarify debugging output and var names in TextRunScanner; get ready for node range management code.

rnestler/servo,shrenikgala/servo,ConnorGBrewster/servo,pyecs/servo,jdramani/servo,snf/servo,wpgallih/servo,emilio/servo,nnethercote/servo,srbhklkrn/SERVOENGINE,samfoo/servo,jimberlage/servo,dhananjay92/servo,anthgur/servo,chotchki/servo,nnethercote/servo,nnethercote/servo,RenaudParis/servo,kindersung/servo,boghison/servo,WriterOfAlicrow/servo,peterjoel/servo,KiChjang/servo,bhearsum-bors/servo,meh/servo,brson/servo,larsbergstrom/servo,juzer10/servo,indykish/servo,vks/servo,saratang/servo,nerith/servo,jdramani/servo,brson/servo,Shraddha512/servo,wartman4404/servo,CJ8664/servo,upsuper/servo,dhananjay92/servo,CJ8664/servo,szeged/servo,notriddle/servo,cbrewster/servo,echochamber/servo,pgonda/servo,jlegendary/servo,zhangjunlei26/servo,ruud-v-a/servo,anthgur/servo,jimberlage/servo,bjwbell/servo,s142857/servo,pyfisch/servo,notriddle/servo,nick-thompson/servo,ConnorGBrewster/servo,GreenRecycleBin/servo,tafia/servo,walac/servo,mrobinson/servo,samfoo/servo,emilio/servo,nerith/servo,snf/servo,pyfisch/servo,akosel/servo,rentongzhang/servo,pgonda/servo,notriddle/servo,tschneidereit/servo,indykish/servo,michaelwu/servo,nnethercote/servo,ruud-v-a/servo,fiji-flo/servo,mattnenterprise/servo,samfoo/servo,nerith/servo,notriddle/servo,saneyuki/servo,owaspjocur/servo,DominoTree/servo,AnthonyBroadCrawford/servo,hyowon/servo,sadmansk/servo,eddyb/servo,rentongzhang/servo,jgraham/servo,evilpie/servo,A-deLuna/servo,dagnir/servo,hyowon/servo,Aalhad/CanvasRenderingContext2DMozilla,wartman4404/servo,saneyuki/servo,vks/servo,Shraddha512/servo,DominoTree/servo,seanmonstar/servo,mattnenterprise/servo,GreenRecycleBin/servo,codemac/servo,akosel/servo,echochamber/servo,upsuper/servo,owaspjocur/servo,g-k/servo,owaspjocur/servo,luniv/servo,AnthonyBroadCrawford/servo,tafia/servo,saneyuki/servo,tschneidereit/servo,mukilan/servo,aidanhs/servo,notriddle/servo,wpgallih/servo,saneyuki/servo,dati91/servo,walac/servo,samfoo/servo,boghison/servo,Adenilson/prototype-viewing-distance,bhearsum-bors/servo,samfoo/servo,Adenilson/prototype-viewing-distance,zhangjunlei26/servo,runarberg/servo,wpgallih/servo,nnethercote/servo,deokjinkim/servo,mbrubeck/servo,karlito40/servo,samfoo/servo,akosel/servo,notriddle/servo,A-deLuna/servo,akosel/servo,ryancanhelpyou/servo,rentongzhang/servo,Shraddha512/servo,brson/servo,runarberg/servo,DominoTree/servo,Aalhad/CanvasRenderingContext2DMozilla,wartman4404/servo,KiChjang/servo,metajack/servo,CJ8664/servo,aidanhs/servo,pyfisch/servo,notriddle/servo,kindersung/servo,steveklabnik/servo,ConnorGBrewster/servo,avadacatavra/servo,bfrohs/servo,boghison/servo,nnethercote/servo,mukilan/servo,cbrewster/servo,dati91/servo,s142857/servo,dagnir/servo,steveklabnik/servo,g-k/servo,youprofit/servo,aweinstock314/servo,pgonda/servo,huonw/servo,indykish/servo,deokjinkim/servo,luniv/servo,seanmonstar/servo,thiagopnts/servo,mukilan/servo,caldwell/servo,canaltinova/servo,codemac/servo,wartman4404/servo,saneyuki/servo,huonw/servo,echochamber/servo,ryancanhelpyou/servo,avadacatavra/servo,ryancanhelpyou/servo,mrobinson/servo,Adenilson/prototype-viewing-distance,rnestler/servo,jgraham/servo,szeged/servo,nrc/servo,boghison/servo,dhananjay92/servo,saneyuki/servo,mdibaiee/servo,mt2d2/servo,s142857/servo,RenaudParis/servo,youprofit/servo,meh/servo,sadmansk/servo,srbhklkrn/SERVOENGINE,dati91/servo,cbrewster/servo,karlito40/servo,CJ8664/servo,nick-thompson/servo,KiChjang/servo,mbrubeck/servo,caldwell/servo,mukilan/servo,ryancanhelpyou/servo,meh/servo,ruud-v-a/servo,aweinstock314/servo,RenaudParis/servo,jlegendary/servo,thiagopnts/servo,larsbergstrom/servo,canaltinova/servo,wpgallih/servo,mbrubeck/servo,meh/servo,DominoTree/servo,WriterOfAlicrow/servo,splav/servo,metajack/servo,dmarcos/servo,brson/servo,dagnir/servo,mt2d2/servo,nerith/servo,steveklabnik/servo,upsuper/servo,GreenRecycleBin/servo,jgraham/servo,dsandeephegde/servo,steveklabnik/servo,metajack/servo,j3parker/servo,splav/servo,dati91/servo,anthgur/servo,bfrohs/servo,walac/servo,huonw/servo,youprofit/servo,pyfisch/servo,akosel/servo,runarberg/servo,nrc/servo,tafia/servo,ConnorGBrewster/servo,luniv/servo,froydnj/servo,brendandahl/servo,saratang/servo,michaelwu/servo,indykish/servo,juzer10/servo,saneyuki/servo,DominoTree/servo,srbhklkrn/SERVOENGINE,nrc/servo,vks/servo,metajack/servo,rixrix/servo,rentongzhang/servo,pyfisch/servo,splav/servo,DominoTree/servo,dsandeephegde/servo,rnestler/servo,froydnj/servo,emilio/servo,youprofit/servo,tschneidereit/servo,WriterOfAlicrow/servo,fiji-flo/servo,tempbottle/servo,mrobinson/servo,froydnj/servo,dvberkel/servo,nrc/servo,kindersung/servo,dati91/servo,samfoo/servo,pcwalton/servo,bfrohs/servo,bhearsum-bors/servo,szeged/servo,larsbergstrom/servo,zhangjunlei26/servo,mt2d2/servo,chotchki/servo,snf/servo,rixrix/servo,Shraddha512/servo,metajack/servo,karlito40/servo,aidanhs/servo,mdibaiee/servo,mukilan/servo,mt2d2/servo,eddyb/servo,canaltinova/servo,thiagopnts/servo,avadacatavra/servo,cbrewster/servo,pyfisch/servo,g-k/servo,akosel/servo,rentongzhang/servo,thiagopnts/se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r/servo,srbhklkrn/SERVOENGINE,saratang/servo,wpgallih/servo,j3parker/servo,KiChjang/servo,A-deLuna/servo,mattnenterprise/servo,ryancanhelpyou/servo,j3parker/servo,dagnir/servo,codemac/servo,tschneidereit/servo,deokjinkim/servo,mattnenterprise/servo,karlito40/servo,dmarcos/servo,runarberg/servo,ConnorGBrewster/servo,hyowon/servo,WriterOfAlicrow/servo,larsbergstrom/servo,anthgur/servo,srbhklkrn/SERVOENGINE,KiChjang/servo,rixrix/servo,codemac/servo,mt2d2/servo,WriterOfAlicrow/servo,eddyb/servo,A-deLuna/servo,AnthonyBroadCrawford/servo,hyowon/servo,thiagopnts/servo,hyowon/servo,pcwalton/servo,caldwell/servo,rnestler/servo,aidanhs/servo,fiji-flo/servo,emilio/servo,nick-thompson/servo,splav/servo,eddyb/servo,saneyuki/servo,runarberg/servo,vks/servo,chotchki/servo,szeged/servo,pyfisch/servo,dsandeephegde/servo,jdramani/servo,aweinstock314/servo,larsbergstrom/servo,canaltinova/servo,CJ8664/servo,SimonSapin/servo,A-deLuna/servo,upsuper/servo,aweinstock314/servo,j3parker/servo,zentner-kyle/servo,evilpie/servo,saratang/servo,dmarcos/servo,dati91/servo,nnethercote/servo,peterjoel/servo,peterjoel/servo,CJ8664/servo,jdramani/servo,Aalhad/CanvasRenderingContext2DMozilla,Adenilson/prototype-viewing-distance,nick-thompson/servo,vks/servo,huonw/servo,dhananjay92/servo,pyecs/servo,peterjoel/servo,jlegendary/servo,rixrix/servo,KiChjang/servo,pcwalton/servo,owaspjocur/servo,thiagopnts/servo,szeged/servo,jlegendary/servo,SimonSapin/servo,pyecs/servo,splav/servo,akosel/servo,nrc/servo,indykish/servo,pyfisch/servo,bhearsum-bors/servo,bhearsum-bors/servo,j3parker/servo,splav/servo,youprofit/servo,SimonSapin/servo,jgraham/servo,wartman4404/servo,wartman4404/servo,juzer10/servo,dvberkel/servo,echochamber/servo,echochamber/servo,rnestler/servo,saratang/servo,pyecs/servo,jimberlage/servo,shrenikgala/servo,brendandahl/servo,rixrix/servo,shrenikgala/servo,evilpie/servo,anthgur/servo,emilio/servo,dvberkel/servo,jimberlage/servo,upsuper/servo,DominoTree/servo,ryancanhelpyou/servo,GreenRecycleBin/servo,splav/servo,nerith/servo,dvberkel/servo,pyecs/servo,dati91/servo,tempbottle/servo,paulrouget/servo,snf/servo,upsuper/servo,echochamber/servo,dhananjay92/servo,GyrosOfWar/servo,peterjoel/servo,CJ8664/servo,tafia/servo,ConnorGBrewster/servo,mrobinson/servo,steveklabnik/servo,aidanhs/servo,froydnj/servo,deokjinkim/servo,upsuper/servo,dmarcos/servo,jimberlage/servo,wpgallih/servo,karlito40/servo,peterjoel/servo,indykish/servo,juzer10/servo,jlegendary/servo,zentner-kyle/servo,mdibaiee/servo,codemac/servo,paulrouget/servo,mbrubeck/servo,boghison/servo,rixrix/servo,aweinstock314/servo,tafia/servo,nerith/servo,g-k/servo,avadacatavra/servo,zhangjunlei26/servo,paulrouget/servo,eddyb/servo,SimonSapin/servo,nick-thompson/servo,snf/servo,WriterOfAlicrow/servo,zentner-kyle/servo,bfrohs/servo,paulrouget/servo,walac/servo,evilpie/servo,Aalhad/CanvasRenderingContext2DMozilla,rentongzhang/servo,brson/servo,GyrosOfWar/servo,mrobinson/servo,nick-thompson/servo,avadacatavra/servo,avadacatavra/servo,brendandahl/servo