anchor.diff:   ...
   
   Uh-oh! I want to link to that fabulous <<unique_id,section>>!
  ---
  +----
   
   Options
   -------
  
positive.code: 
  Available levels are:
  
  [cols="s,",options="autowidth",frame="topbot"]
  |====
  |1|Section level 1
  |2|Section level 2
  
negative.code: So, if you want to use cross reference links, you have to give every section an unique id and then use that id to link to it.
  
  .Cross reference usage example
  ----
  [[unique_id]]
  My fabulous section
  ~~~~~~~~~~~~~~~~~~~
  Nel mezzo del cammin di nostra vita +
  mi ritrovai per una selva oscura, +
  ché la diritta via era smarrita.
  