anchor.diff:  === Step 3: Softdevice event handler
   The rbc_mesh has to check for Softdevice events related to the Timeslot API in order to function. In the original framework, this is conducted in the function `ts_sd_event_handler(void)` in _timeslot_handler.c_. This function is not very considerate of other Softdevice related activities on the chip, however, and consumes the SD_events as they come. In order to overcome this, we can replace it with a more cooperative version. Delete the `ts_sd_event_handler(void)` function and all its references, and insert this function instead: 
   [source,c]
  -.timeslot_handler.c:L246
  +.timeslot_handler.c
   ----
   void rbc_mesh_sys_evt_handler(uint32_t evt)
   {
  
positive.code: In order to get feedback from the rbc_mesh, the application must implement `void rbc_mesh_event_handler(rbc_mesh_event_t* evt)` somewhere in the application space. See the examples under _/nRF51/examples/_ for implementations of this function.
  
  === Step 6: initialization
  The final step is to initialize the rbc_mesh framework. First off, the framework calls `sd_ble_enable()` in _mesh_srv.c_, L315. This is already done as part of the initialization in the Proximity example, and can be left out of the _mesh_srv.c_ code. Remove the line calling the Softdevice function.
  
  Finally, we must initialize the framework from the application. This is also displayed in the examples under _/nRF51/examples/_, but note that `uint32_t rbc_mesh_init(rbc_mesh_init_params_t)` must be called after `ble_stack_init()` in the application in order to secure correct behavior (more specifically, after `sd_ble_enable()`). We also recommend that you initialize the framework before you start advertising, to ensure that the application includes the mesh service in its GATT server for external devices.
  
  
negative.code: As you may have noticed if you tried to build the project after Step 1, there are now two implementations of the function `SWI0_IRQHandler(void)`, one in _/rbc_mesh/src/timeslot_handler.c_ and one in _app_timer.c_.This must be addressed by removing at least one of them. We suggest that you rename the one in _timeslot_handler.c_ to `rbc_mesh_SWI0_IRQHandler(void)`, and expose it in the _/rbc_mesh/include/timeslot_handler.h_ header. You can then include this header in _app_timer.c_ and call the new rbc_mesh-version of it from the existing app-timer SWI0-handler:
  
  [source,c]
  .app_timer.c
  ----
  void app_timer_SWI0_IRQHandler(void)
  {
  