anchor.diff:          # append mock entity for match in displaCy style to matched_sents
           # get the match span by ofsetting the start and end of the span with the
           # start and end of the sentence in the doc
  -        match_ents = [{'start': span.start_char - sent.start_char, 
  +        match_ents = [{'start': span.start_char - sent.start_char,
                          'end': span.end_char - sent.start_char,
                          'label': 'MATCH'}]
           matched_sents.append({'text': sent.text, 'ents': match_ents })
  
positive.code:         +cell Require the pattern to match 1 or more times.
  
      +row
          +cell #[code ?]
          +cell Allow the pattern to zero or more times.
  
  p
      |  The #[code +] and #[code *] operators are usually interpretted
  
negative.code:         +cell Negate the pattern, by requiring it to match exactly 0 times.
  
      +row
          +cell #[code ?]
          +cell Make the pattern optional, by allowing it to match 0 or 1 times.
  
      +row
  