anchor.diff:  // TEST[setup:messages]
   
   
  -[[sample-api-request]]
  +[[search-explain-api-request]]
   ==== {api-request-title}
   
   `GET /<index>/_explain/<id>`
   
   `POST /<index>/_explain/<id>`
   
  -[[sample-api-desc]]
  +[[search-explain-api-desc]]
   ==== {api-description-title}
   
   The explain API computes a score explanation for a query and a specific
  
positive.code: --
  
  
  [[sample-api-query-params]]
  ==== {api-query-parms-title}
  
  include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=analyzer]
  
negative.code: didn't match a specific query.
  
  
  [[search-explain-api-path-params]]
  ==== {api-path-parms-title}
  
  `<id>`::
  