anchor.diff:  ----
   
   '''
  -* *9. Reading a queue using `ChronicleReaderMain`*
  +===== *Reading a queue using `ChronicleReaderMain`*
   
   The second tool for logging the contents of the chronicle queue is the `ChronicleReaderMain` (in the Chronicle Queue project). As mentioned above, it is able to perform several operations beyond printing the file content to the console. For example, it can be used to tail a queue to detect whenever new messages are added (rather like $tail -f).
   
  
positive.code: 
  *-* `queue`: The queue that this Pretoucher is assigned to.
  
  ** *16.1. Pretoucher usage example*
  
  The configuration parameters of Pretoucher that were described above should be set via system properties. For example, in the following excerpt `earlyAcquireNextCycle` is set to `true` and `pretoucherPrerollTimeMs` to 100ms.
  [source,java]
  
negative.code: If this is prevented by an error, the same message will be read on each restart.
  
  '''
  ===== *Command line tools - reading and writing a Chronicle Queue*
  
  Chronicle Queue stores its data in binary format, with a file extension of `cq4`:
  
  