anchor.diff:  
   +h(2, "named-entities") Named Entity Recognition
   
  -+table(["Entity Type", "Description"])
  ++table([ "Type", "Description" ])
       +row
           +cell #[code PERSON]
  -        +cell People, including fictional.
  +        +cell People, including fictional
   
       +row
           +cell #[code NORP]
  -        +cell Nationalities or religious or political groups.
  +        +cell Nationalities or religious or political groups
   
       +row
  -        +cell #[code FAC]
  -        +cell Facilities, such as buildings, airports, highways, bridges, etc.
  +        +cell #[code FACILITY]
  +        +cell Buildings, airports, highways, bridges, etc.
   
       +row
           +cell #[code ORG]
  
positive.code: 
      +row
          +cell #[code GPE]
          +cell Countries, cities, states.
  
      +row
          +cell #[code LOC]
          +cell Non-GPE locations, mountain ranges, bodies of water.
  
      +row
          +cell #[code PRODUCT]
          +cell Vehicles, weapons, foods, etc. (Not services)
  
      +row
          +cell #[code EVENT]
  
negative.code:         +cell Titles of books, songs, etc.
  
      +row
          +cell #[code LANGUAGE]
          +cell Any named language
  
  p The following values are also annotated in a style similar to names:
  
  +table([ "Type", "Description" ])
      +row
          +cell #[code DATE]
          +cell Absolute or relative dates or periods
  