Complex sentence: The Mabinogi is the chief prose literature of mediaeval Wales, compiled c.1100 from earlier oral traditions, and it is culturally prominent in Welsh circles today, as well as popular in worldwide English translations.
Split into simpler sentences: The Mabinogi is the chief prose literature of mediaeval Wales, compiled c.1100 from earlier oral traditions. It is culturally prominent in Welsh circles today, as well as popular in worldwide English translations.