anchor.diff:  
   p
       |  Finally, I often find the #[code .left_edge] and #[code right_edge]
  -    |  attributes especially useful. They give you the first and right tokens
  +    |  attributes especially useful. They give you the first and last token
       |  of the subtree. This is the easiest way to create a #[code Span] object
       |  for a syntactic phrase — a useful operation.
   
  
positive.code:     |  #[code token.dep_].
  
  +aside-code("Example").
      from spacy.symbols import DET
      the, dog = nlp(u'the dog')
      assert the.dep == det
      assert the.dep_ == 'det'
  
negative.code: +code.
      nlp = spacy.load('en')
      doc1 = nlp(u'Text I do want parsed.')
      doc2 = nlp(u"Text I don't want parsed", parse=False)
  