anchor.diff:  ----
   curl -X POST -H 'Content-type:application/json' --data-binary '{
     "replace-field":{
  -     "name":"sell-by",
  +     "name":"sell_by",
        "type":"date",
        "stored":false }
   }' http://localhost:8983/api/cores/gettingstarted/schema
  
positive.code: [source,bash]
  ----
  curl -X POST -H 'Content-type:application/json' --data-binary '{
    "delete-field" : { "name":"sell-by" }
  }' http://localhost:8983/solr/gettingstarted/schema
  ----
  ====
  
negative.code: 
  All of the properties available when defining a field with manual `schema.xml` edits can be passed via the API. These request attributes are described in detail in the section <<defining-fields.adoc#defining-fields,Defining Fields>>.
  
  For example, to replace the definition of an existing field "sell_by", to make it be of type "date" and to not be stored, you would POST the following request:
  
  [.dynamic-tabs]
  --
  