Simplify the following text for a Grade 7 native English-speaking person.
Original: The Norwegian Language Council is responsible for regulating the two forms , and recommends the terms `` Norwegian BokmÃ l '' and `` Norwegian Nynorsk '' in English .
Simplified: â It was based on old forms of Norwegian and dialects . During the 20th century some attempts were made to join BokmÃ l and Nynorsk into one language , but they did not succeed .