Don't generate separators for empty generators (#6752)
Don't generate separators for empty generators (#6752)


Frenzie/koreader,Hzj-jie/koreader,koreader/koreader,mwoz123/koreader,NiLuJe/koreader,Markismus/koreader,Frenzie/koreader,NiLuJe/koreader,poire-z/koreader,pazos/koreader,poire-z/koreader,koreader/koreader