anchor.diff:  
   From the Microsoft's book.xml file we can get only the books that have as `genre` Computer
   
  -[source,cypher]
  -----
  -call apoc.load.xml("https://raw.githubusercontent.com/neo4j-contrib/neo4j-apoc-procedures/3.1/src/test/resources/books.xml", '/catalog/book[genre=\"Computer\"]') yield value as book
  +[source,cypher,subs=attributes]
  +----
  +call apoc.load.xml("https://raw.githubusercontent.com/neo4j-contrib/neo4j-apoc-procedures/{branch}/src/test/resources/xml/books.xml", '/catalog/book[genre=\"Computer\"]') yield value as book
   WITH book.id as id, [attr IN book._children WHERE attr._type IN ['title','price'] | attr._text] as pairs
   RETURN id, pairs[0] as title, pairs[1] as price
   ----
  
positive.code: We can also return just a single specific element.
  For example the `author` of the book with `id = bg102`
  
  [source,cypher]
  ----
  call apoc.load.xml('https://raw.githubusercontent.com/neo4j-contrib/neo4j-apoc-procedures/3.1/src/test/resources/books.xml', '/catalog/book[@id="bk102"]/author') yield value as result
  WITH result._text as author
  RETURN author
  ----
  
negative.code: ...
  ----
  
  We have the file here, https://raw.githubusercontent.com/neo4j-contrib/neo4j-apoc-procedures/{branch}/src/test/resources/xml/books.xml[on GitHub].
  
  == Simple XML Format
  
  