Pali literature includes numerous genres, including Suttas (Buddhist discourses), Vinaya (monastic discipline), Abhidhamma (philosophy), poetry, history, philology, hagiography, scriptural exegesis, and meditation manuals.Peter Masefield devoted considerable research to a form of Pali known as Indochinese Pali or 'Kham Pali'. Up until now, this has been considered a degraded form of Pali, But Masefield states that further examination of a very considerable corpus of texts will probably show that this is an internally consistent Pali dialect. The reason for the changes is that some combinations of characters are difficult to write in those scripts. Masefield further states that upon the third re-introduction of Theravada Buddhism into Sri Lanka (The Siyamese Sect), records in Thailand state that large number of texts were also taken. It seems that when the monastic ordination died out in Sri Lanka, many texts were lost also.