an gløggr ‘than the mean one [Sveinn]’: Ms. ‘en’ is here normalised as the comp. conj. an. It could alternatively be taken as the conj. en ‘but, and’ juxtaposing two characteristics of Óláfr: mildr ‘generous’, and gløggr (til hildar) ‘clear-sighted, clever (at fighting, in battle)’, but in context this is less likely.