fix #19: return immediately from link skipping if end of emphasis is found
fix #19: return immediately from link skipping if end of emphasis is found

lfn3/blackfriday,tw4452852/blackfriday,elian0211/blackfriday,treejames/blackfriday,Go-ApiBlueprint-Go/blackfriday,jacobxk/blackfriday,Depado/blackfriday,ArtemTeleshev/blackfriday,jmptrader/blackfriday,rtfb/blackfriday,elian0211/blackfriday,JackKnifed/blackfriday,icco/blackfriday,kristofer/blackfriday,linuxerwang/blackfriday,treejames/blackfriday,icco/blackfriday,lfn3/blackfriday,DimShadoWWW/blackfriday,kristofer/blackfriday,rtfb/blackfriday,DimShadoWWW/blackfriday,beni55/blackfriday,ArtemTeleshev/blackfriday,ckeyer/blackfriday,linuxerwang/blackfriday,Go-ApiBlueprint-Go/blackfriday,jmptrader/blackfriday,apiaryio/blackfriday,tw4452852/blackfriday,Ganners/blackfriday,JackKnifed/blackfriday,ckeyer/blackfriday,apiaryio/blackfriday,tianon/debian-golang-blackfriday,beni55/blackfriday,tianon/debian-golang-blackfriday,Ganners/blackfriday,Depado/blackfriday,Ronmi/blackfriday,jacobxk/blackfriday,Ronmi/blackfriday