anchor.diff:  
   * *indexSpacing*
   
  -This parameter shows space between excerpts that are explicitly indexed.
  +This parameter shows the space between excerpts that are explicitly indexed.
   A higher number means higher sequential write performance but slower random access read.
   The sequential read performance is not affected by this property.
   For example, the following default index spacing can be returned:
  
positive.code: ----
  The maximum number of messages that can be stored in a queue file depends on roll cycle. See  https://github.com/OpenHFT/Chronicle-Queue/tree/master/docs/FAQ.adoc[FAQ] for more information on this.
  
  * *wireType*
  
  It's possible to configure how Chronicle Queue will store the data by explicitly set the `WireType`:
  
negative.code: ''''
  * *13. Excerpt indexing in Chronicle Queue*
  
  In the following section you will find how to work with the excerpt index.
  
  ** *13.1. Finding the index at the end of a Chronicle Queue*
  