anchor.diff:  For **Elasticsearch 7.0** and later, use the major version 7 (`7.x.y`) of the
   library.
   
  -For **Elasticsearch 6.0** and later, use the major version 6 (``6.x.y`) of the
  +For **Elasticsearch 6.0** and later, use the major version 6 (`6.x.y`) of the
   library.
   
   For **Elasticsearch 5.0** and later, use the major version 5 (`5.x.y`) of the
  
positive.code: https://elasticsearch-dsl.readthedocs.org/en/latest/persistence.html#doctype[persistence
  layer] for working with documents as Python objects in an ORM-like fashion:
  defining mappings, retrieving and saving documents, wrapping the document data
  in user-defined classes.
  
  
  [discrete]
  === License
  
  Licensed to Elasticsearch B.V. under one or more contributor
  license agreements. See the NOTICE file distributed with
  this work for additional information regarding copyright
  ownership. Elasticsearch B.V. licenses this file to you under
  the Apache License, Version 2.0 (the "License"); you may
  not use this file except in compliance with the License.
  You may obtain a copy of the License at
  
  http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing,
  software distributed under the License is distributed on an
  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  KIND, either express or implied.  See the License for the
  specific language governing permissions and limitations
  under the License.
  
negative.code:     elasticsearch>=2,<3
  
  If you have a need to have multiple versions installed at the same time older
  versions are also released as `elasticsearch2` and `elasticsearch5`.
  
  
  [discrete]
  