anchor.diff:  * Python
   * XML
   
  -For other highlighters we could add see https://code.google.com/p/google-code-prettify/.
  +For other highlighters that could be added see https://code.google.com/p/google-code-prettify/.
   
   === Included from an example file
  -You can also include source or configuration from an external file.
  -It allows to provide a working example configuration maintaining doc and example in the same time.
  -The behavior is the same as with images, the path is relative to the *.adoc file where the file is included.
  +You can include source or configuration from an external file. In this way you can provide a working example configuration maintaining doc and example at the same time. The procedure and rules are the same as with images, the path is relative to the *.adoc file where the file to be used is included.
   
   .Include complete external file
    [source,xml]
  
positive.code: 
  [[doc-guidelines-include-source]]
  == Code Snippets ==
  It is possible to include code snippets, configuration- or source code files in the documentation.
  With the given language parameter the source code or configuration is rendered with syntax highlighting.
  
  === Explicitly defined in the document ===
  
  WARNING: Use this kind of code snippets as little as possible.
  They are well known to get out of sync with reality after a while.
  
  This is how to do it:
  
  .This is a sample configuration explicitely in the documentation
  [source,xml]
  
negative.code: [source,xml]
  include::../configs/poller-configuration.xml[tags=IcmpServiceConfig]
  
  NOTE: Spaces and tabs are taken from the original file.
  