anchor.diff:  ==== Bool Query 
   
   Boolean operators (AND, OR, NOT) allow combining multiple sub queries through logic operators.
  -Note: Note that operators such as AND, OR and NOT must be CAPITALIZED. See http://lucene.apache.org/core/3_5_0/queryparsersyntax.html[Lucene query syntax] for more details about the boolean operators.
  +Note: Operators such as AND, OR and NOT must be CAPITALIZED. See http://lucene.apache.org/core/3_5_0/queryparsersyntax.html[Lucene query syntax] for more details about the boolean operators.
   
   To search for all transactions except MySQL transactions:
   
  
positive.code: -------------------------
  
  See
  http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/query-dsl-regexp-query.html[Elasticsearch regexp query]
  for more details about the syntax.
  
  
  
negative.code: "Cannot change the info of a user"
  ------------------------------------
  
  Note: Double quotes are mandatory here to search for the exact
  string. Without any quotes, the search would match documents containing one of the following words:"Cannot" OR "change" OR "the" OR "info" OR "a" OR "user".
  
  To search for all transactions with the "chunked" encoding:
  
  