Complex sentence: Hið íslenzka fornritafélag, or The Old Icelandic Text Society, is the standard publisher of Old Icelandic texts (such as the Sagas of Icelanders, kings'sagas and bishops' sagas) with thorough introductions and comprehensive notes.
Split into simpler sentences: Hið íslenzka fornritafélag, or The Old Icelandic Text Society is a text publication society. It is the standard publisher of Old Icelandic texts (such as the Sagas of Icelanders, kings'sagas and bishops' sagas) with thorough introductions and comprehensive notes.