anchor.diff:  +
   'Posted 2015.05.13. Danila Deliya'
   * p. 132, Logging Library, The second sentence of the third paragraph
  -   in the section should begin:  In this case, the monadic function *`(1024*)`*.
  +   in the section should begin:  In this case, the monadic function
  +   *`(1024*)`* ...
   +
   'Posted 2015.05.13. Danila Deliya'
   * p. 132, Logging Library, The final listing should be labeled +.log.hdr+.
  
positive.code: command and +.z.zd+ will be cleared.
  +
  'Posted 2015.05.13. Danila Deliya'
  
  == Chapter 16
  
  
negative.code: == Chapter 9
  
  * p. 116, Trades, the second paragraph should begin: The +prev+
     operator is similar *to* the +next+ operator ...
  +
  'Posted 2015.05.13. Danila Deliya'
  * p. 119, The second listing should not have the extra:
  