 Such orthographic reforms continued in subsequent years, but in 1892 the Norwegian department of education approved the first set of optional forms in the publication of Nordahl Rolfsen's "Reader for the Primary School" ("Læsebog for Folkeskolen").Also, in 1892, national legislation gave each local school board the right to decide whether to teach its children Riksmål or Landsmål.In 1907, linguistic reforms were extended to include not just orthography but also grammar.