Fix serialization of font-feature-settings
Fix serialization of font-feature-settings

KiChjang/servo,saneyuki/servo,paulrouget/servo,SimonSapin/servo,nnethercote/servo,KiChjang/servo,upsuper/servo,emilio/servo,rnestler/servo,KiChjang/servo,thiagopnts/servo,larsbergstrom/servo,szeged/servo,dati91/servo,saneyuki/servo,szeged/servo,mattnenterprise/servo,canaltinova/servo,szeged/servo,pyfisch/servo,canaltinova/servo,mbrubeck/servo,sadmansk/servo,notriddle/servo,peterjoel/servo,splav/servo,upsuper/servo,fiji-flo/servo,szeged/servo,paulrouget/servo,anthgur/servo,splav/servo,jimberlage/servo,peterjoel/servo,jimberlage/servo,fiji-flo/servo,upsuper/servo,nnethercote/servo,sadmansk/servo,szeged/servo,splav/servo,avadacatavra/servo,rnestler/servo,emilio/servo,eddyb/servo,sadmansk/servo,eddyb/servo,anthgur/servo,dati91/servo,dsandeephegde/servo,szeged/servo,sadmansk/servo,eddyb/servo,DominoTree/servo,upsuper/servo,SimonSapin/servo,larsbergstrom/servo,SimonSapin/servo,fiji-flo/servo,CJ8664/servo,paulrouget/servo,anthgur/servo,dsandeephegde/servo,emilio/servo,pyfisch/servo,saneyuki/servo,KiChjang/servo,dati91/servo,cbrewster/servo,nnethercote/servo,pyfisch/servo,splav/servo,notriddle/servo,emilio/servo,notriddle/servo,jimberlage/servo,peterjoel/servo,DominoTree/servo,DominoTree/servo,splav/servo,peterjoel/servo,notriddle/servo,thiagopnts/servo,splav/servo,pyfisch/servo,eddyb/servo,DominoTree/servo,paulrouget/servo,CJ8664/servo,eddyb/servo,mbrubeck/servo,jimberlage/servo,nnethercote/servo,splav/servo,saneyuki/servo,thiagopnts/servo,peterjoel/servo,larsbergstrom/servo,anthgur/servo,notriddle/servo,saneyuki/servo,canaltinova/servo,SimonSapin/servo,anthgur/servo,dsandeephegde/servo,eddyb/servo,notriddle/servo,rnestler/servo,peterjoel/servo,canaltinova/servo,sadmansk/servo,KiChjang/servo,mbrubeck/servo,peterjoel/servo,ConnorGBrewster/servo,fiji-flo/servo,paulrouget/servo,dati91/servo,SimonSapin/servo,DominoTree/servo,avadacatavra/servo,dsandeephegde/servo,mbrubeck/servo,upsuper/servo,avadacatavra/servo,mattnenterprise/servo,larsbergstrom/servo,fiji-flo/servo,fiji-flo/servo,pyfisch/servo,ConnorGBrewster/servo,upsuper/servo,cbrewster/servo,mattnenterprise/servo,fiji-flo/servo,saneyuki/servo,mbrubeck/servo,emilio/servo,emilio/servo,SimonSapin/servo,avadacatavra/servo,paulrouget/servo,larsbergstrom/servo,saneyuki/servo,larsbergstrom/servo,splav/servo,pyfisch/servo,thiagopnts/servo,sadmansk/servo,ConnorGBrewster/servo,jimberlage/servo,avadacatavra/servo,CJ8664/servo,dati91/servo,canaltinova/servo,nnethercote/servo,dsandeephegde/servo,notriddle/servo,canaltinova/servo,peterjoel/servo,larsbergstrom/servo,thiagopnts/servo,notriddle/servo,upsuper/servo,CJ8664/servo,sadmansk/servo,szeged/servo,dati91/servo,peterjoel/servo,canaltinova/servo,CJ8664/servo,szeged/servo,thiagopnts/servo,cbrewster/servo,KiChjang/servo,emilio/servo,nnethercote/servo,nnethercote/servo,mattnenterprise/servo,pyfisch/servo,SimonSapin/servo,avadacatavra/servo,eddyb/servo,mattnenterprise/servo,nnethercote/servo,saneyuki/servo,rnestler/servo,mbrubeck/servo,emilio/servo,notriddle/servo,dsandeephegde/servo,anthgur/servo,avadacatavra/servo,paulrouget/servo,anthgur/servo,pyfisch/servo,KiChjang/servo,larsbergstrom/servo,emilio/servo,pyfisch/servo,paulrouget/servo,CJ8664/servo,dati91/servo,jimberlage/servo,cbrewster/servo,DominoTree/servo,DominoTree/servo,larsbergstrom/servo,ConnorGBrewster/servo,saneyuki/servo,mattnenterprise/servo,mattnenterprise/servo,DominoTree/servo,nnethercote/servo,CJ8664/servo,anthgur/servo,cbrewster/servo,cbrewster/servo,KiChjang/servo,rnestler/servo,KiChjang/servo,CJ8664/servo,szeged/servo,jimberlage/servo,nnethercote/servo,paulrouget/servo,mattnenterprise/servo,ConnorGBrewster/servo,mbrubeck/servo,splav/servo,emilio/servo,jimberlage/servo,upsuper/servo,larsbergstrom/servo,canaltinova/servo,ConnorGBrewster/servo,avadacatavra/servo,fiji-flo/servo,rnestler/servo,notriddle/servo,thiagopnts/servo,sadmansk/servo,dsandeephegde/servo,szeged/servo,eddyb/servo,mbrubeck/servo,ConnorGBrewster/servo,saneyuki/servo,DominoTree/servo,splav/servo,pyfisch/servo,rnestler/servo,cbrewster/servo,KiChjang/servo,DominoTree/servo,rnestler/servo,jimberlage/servo,peterjoel/servo,cbrewster/servo,ConnorGBrewster/servo,dati91/servo,dsandeephegde/servo,paulrouget/servo,SimonSapin/servo,thiagopnts/servo