Simplify newline tests since we normalize line endings in next().
Simplify newline tests since we normalize line endings in next().

evanlabs/mujs,guiquanz/mujs,ccxvii/mujs,ccxvii/mujs,BOGY/mujs,lsm/mujs,ccxvii/mujs,ccxvii/mujs,earthling42/mujs,thurday/mujs,Frky/mujs