Add an example of human readable table generated by vTaskListTasks() to task.h

Author: wwhheerree

include/task.h

@@ -2199,9 +2199,16 @@ char * pcTaskGetName( TaskHandle_t xTaskToQuery ) PRIVILEGED_FUNCTION;
  * Lists all the current tasks, along with their current state and stack
  * usage high water mark.
  *
- * Tasks are reported as blocked ('B'), ready ('R'), deleted ('D') or
+ * Tasks are reported as running ('X'), blocked ('B'), ready ('R'), deleted ('D') or
  * suspended ('S').
  *
+ * The example of a human readable table generated by vTaskListTasks()
+ * Task Name  State  Priority  HighWaterMark  Task ID
+ * Task A       X       2           67           2
+ * Task B       R       1           67           3
+ * IDLE         R       0           67           5
+ * Tmr Svc      B       6           137          6
+ *
  * PLEASE NOTE:
  *
  * This function is provided for convenience only, and is used by many of the