anchor.diff:  ,,,,,,,,,,ARTH 17107 Chinese Calligraphy and Civilization
   ,,,,,,,,,,ARTH 17200 Nineteenth-Century Art in the Art Institute
   ,,,,,,,,,,ARTH 17207 Image and Word in Chinese Art
  -,,,,,,,,,,ARTH 17211 Arts of Medieval Japan
   ,,,,,,,,,,ARTH 17211 Arts of Medieval Japan
   ,,,,,,,,,,ARTH 17400 University of Chicago Campus
   ,,,,,,,,,,ARTH 17410 Frank Lloyd Wright in Chicago and Beyond
  
positive.code: ,,,,,,,,,,ARAB 40101 Advanced Arabic Syntax I
  ,,,,,,,,,,ARAB 40102 Advanced Arabic Syntax II
  ,,,,,,,,,,ARAB 30349 Shi 'a Poetry
  ,,,,,,,,,,ARAB 30349 Shi 'a Poetry
  ,,,,,,,,,,ARAM 10101 Biblical Aramaic
  ,,,,,,,,,,ARAM 10102 Old Aramaic Inscriptions
  ,,,,,,,,,,ARAM 10103 Imperial Aramaic
  
negative.code: ,,,,,,,,,,PERS 30361 Samak-e 'Ayyar
  ,,,,,,,,,,PERS 30851 Introduction to Old Persian
  ,,,,,,,,,,PERS 30324 Muthnavi or Rumi-1
  ,,,,,,,,,,PERS 30325 Muthnavi of Rumi-2
  ,,,,,,,,,,PERS 30361 Samak-e 'Ayyar
  ,,,,,,,,,,PHIL 20100 Elementary Logic
  