Multithreaded user application 'exampleB23':
  - title        : MTGuiAppBlockingSrvTask
  - location     : ~/test/userapp/basic/mt/exampleB23/
  - description  : This Tk application uses a synchronous main task and multiple asynchronous service tasks.
                   It demostrates use of blocking external queues.
  - remark(s)    : -
