anchor.diff:  section,name,dates,summary,description,image
  -1,Toussaint Louverture,(1743-1803),Haitian revolutionary
  -1,Shaka,(1787-1828),Zulu conqueror
  +1,Toussaint Louverture,(1743-1803),revolutionary
  +1,Shaka,(1787-1828),conqueror
   1,Frederick Douglass,(1818-1895),abolitionist & writer
   1,Marcus Garvey,(1887-1940),Pan-Africanist
   1,A. Philip Randolph,(1889-1979),labor leader
  
positive.code: 4,Holland–Dozier–Holland,(born 1939/41/41),songwriters
  4,August Wilson,(1945-2005),playwright
  4,Octavia Butler,(1947-2006),sci-fi author
  4,Jean-Michel Basquiat,(1960-1988),graffiti artist
  
  
  
  
  5,Chuck Berry,(1926-2017),rock'n'roll pioneer
  
negative.code: 
  
  
  4,Machado de Assis,(1839-1908),author
  4,Scott Joplin,(~1867-1917),ragtime composer
  4,Duke Ellington,(1899-1974),jazz composer
  4,Langston Hughes,(1902-1967),poet
  