Sentence:  The written language is nowhere spoken by the people; it was formed at the period when Luther, rejecting the Middle High and the <WSD>Middle Low German</WSD>, adopted in preference the dialect of Misnia or Meissen, which had begun to be written much later. 
Meaning of the word marked with <WSD> tags:  A language that descended from Old Saxon and is the ancestor of modern Low German, spoken from about 1100 to 1600.